Garamite 1958 is used to modify viscosity, rheology, sag resistance, suspension / anti-settling behavior in coatings, resins, adhesives / sealants, plastisols (PVC), composites, etc.
Garamite 1958 is also recommended for use in unsaturated polyester resins such as Orthophthalic, Isophthalic, DCPD and PET resins.
Garamite 1958 is used adhesives, sealants, putties, varnishes — rheology control, preventing settling or sagging of fillers/pigments, improving application properties.
CAS Number: 68911‑87‑5 (commonly referenced, not universally confirmed)
EC Number / EC‑List Number: Not publicly available / not disclosed
Molecular Formula: Not applicable / not defined (organically modified phyllosilicate mixture)
Molecular Weight: Not applicable / not fixed (mixture / mineral-based additive)
SYNONYMS:
organophilic clay, organoclay rheology additive, organically modified phyllosilicate, rheology modifier additive, thixotropic clay additive, mixed-mineral organoclay, organo-modified layered silicate, organophilic phyllosilicate rheology agent
Garamite 1958 is powdered rheology additive based on organophilic phyllosilicates for solvent-borne and solvent-free systems to increase the storage stability and sag resistance.
Garamite 1958 is a powdered rheology (thixotropic) additive based on organically modified phyllosilicates (organophilic clays) / mixed-mineral phyllosilicate composition.
Garamite 1958 is a powdered rheology & thixotropic additive based on a composition of organically modified phyllosilicates.
Garamite 1958 increases storage stability and sag resistance.
The combination of various morphological structures in the mineral components results in Garamite 1958 being particularly easy to disperse and offering high efficiency in various unsaturated polyester and vinylester-based resins.
Garamite 1958 offers higher coating thicknesses and strong shear thinning effect.
Garamite 1958 also offers higher bulk densities compared with pyrogenic silica which means lower dusting and less storage space required and greater efficiency and/or lower dosage.
Garamite 1958 is a unique rheology additive with very wide compatibility in a wide range of solvent- based and solvent-free coating systems.
Garamite 1958 complies with REACH Regulation (EC) No 1907/2006.
The shelf life of Garamite 1958 is 60 months.
Garamite 1958 is a unique rheological additive developed for a wide range of solvent born systems.
Compared to fumed silica and organoclays, Garamite 1958 provides improved sag (drainage) resistance, control of settling, metallic orientation, and stability.
Garamite 1958 is also more efficient and easier to handle in manufacturing (less dusty, higher bulk density and not sensitive to shear).
Garamite 1958 is a rheological additive for solvent-borne systems.
Compared to fumed silica and organoclays, Garamite 1958 provides improved sag (drainage) resistance, control of settling, metallic orientation and stability.
Garamite 1958 is also more efficient and easier to handle in manufacturing (less dusty, higher bulk density and not sensitive to shear).
Due to its patented mixed mineral thixotrope technology, Garamite 1958 provides these properties at lower viscosities than are seen with conventional thixotropes.
Garamite 1958 is a unique rheological additive developed for epoxy and vinyl ester systems.
Garamite 1958 is a powdered rheology additive based on organophilic phyllosilicates for solvent-borne and solvent-free systems to increase the storage stability and sag resistance.
Garamite 1958 is a unique rheology additive with a very broad compatibility with all solvent-borne and solvent-free coating systems.
Garamite 1958 has the following properties and benefits: pseudoplastic flow, improved sag resistance, improved anti-settling behaviour, supports orientation of effect pigments.
USES and APPLICATIONS of GARAMITE 1958:
Applications of Garamite 1958: Composites, plastics and HI&I
Garamite 1958 is powdered rheology additive based on organophilic phyllosilicates for solvent-borne and solvent-free systems: GARAMITE 1958.
Garamite 1958 is a powdered rheology additive for solvent-based and solvent-free systems.
Garamite 1958 improves storage duration and enhances sagging resistance.
Garamite 1958 is used to modify viscosity, rheology, sag resistance, suspension / anti-settling behavior in coatings, resins, adhesives / sealants, plastisols (PVC), composites, etc.
Garamite 1958 is supplied in powder solid form (off-white powder).
Garamite 1958’s main function is as a rheology modifier / thixotropic additive.
Garamite 1958 is used paints and coatings (industrial, protective, solvent-based, solvent-free, epoxy, polyester, polyurethanes, powder coatings) — to prevent sagging, improve flow control, anti-settling, pigment orientation.
Garamite 1958 is used composites / resins / polymer systems — unsaturated polyester, vinyl-ester, epoxy, etc., where rheology control is needed to prevent filler/pigment settling, ensure uniform dispersion, improve workability and processing properties.
PVC plastisols — Garamite 1958 is used as organoclay rheology additive to control viscosity, improve stability, reduce filler loading vs. fumed silica, maintain VOC compliance.
Garamite 1958 is used adhesives, sealants, putties, varnishes — rheology control, preventing settling or sagging of fillers/pigments, improving application properties.
Garamite 1958 is used industrial / protective coatings (e.g. anti-corrosion paints) — where thick coatings, controlled flow, pigment suspension, and sag resistance are important.
Whenever a formulation (paint, resin, PVC plastisol, adhesive, etc.) requires controlled viscosity, stable suspension of pigments/fillers, anti-settling, anti-sagging, and thixotropic behavior — Garamite 1958 is a candidate additive.
Garamite 1958 is particularly suited to formulating PVC plastisols.
Garamite 1958 provides pseudoplastic flow, broad compatibility with various plasticizers and greater effectiveness than precipitated fillers.
Garamite 1958 is easy to incorporate and has no impact on the VOC content.
The recommended level of Garamite 1958 for PVC plastisols is 1-5% additive (as supplied) based upon the total formulation, depending on the properties of the formulation to be achieved.
Garamite 1958 exhibits dispersion ease, viscosity stability, shear stable, syneresis prevention, gel time stability and increased efficiency.
Recommended dosage of Garamite 1958 is 0.3-1.5% of additive based upon total formulation.
Garamite 1958 is powdered rheology additive based on organophilic phyllosilicates for solvent-borne and solvent-free systems.
Garamite 1958 is a unique rheological additive developed for a wide range of solvent born systems.
Compared to fumed silica and organoclays, Garamite 1958 provides improved sag (drainage) resistance, control of settling, metallic orientation, and stability.
Garamite 1958 is also more efficient and easier to handle in manufacturing (less dusty, higher bulk density and not sensitive to shear).
Garamite 1958 is also recommended for use in unsaturated polyester resins such as Orthophthalic, Isophthalic, DCPD and PET resins.
Compared to fumed silica, Garamite 1958 provides improved sag (drainage) resistance, rheology control and stability, is more efficient and is easier to handle in manufacturing (less dusty, higher bulk density and not sensitive to shear).
As a result of its high bulk density, Garamite 1958 is easy to use and displays no shear sensitivity.
Garamite 1958 is especially recommended for protective and industrial coatings.
Garamite 1958 is also suitable for architectural coatings.
THERMOSETS USES of GARAMITE 1958:
Special features and benefits
Garamite 1958 is a solid rheology additive based on a composition of organically modified phyllosilicates.
The combination of different morphological structures in the mineral component results in particularly easy dispersibility with high efficiency.
Garamite 1958 delivers the following advantages over conventional rheology additives in various resins based on unsaturated polyester, vinyl esters, polyurethanes and epoxy resins:
*Allows adjustment of low to higher viscosities and various layer thicknesses
*Prevents filler settling
*Systems with Garamite have very good shear-thinning flow properties
*Higher efficiency or lower application volume, especially in combination with booster additives
*Reduced dust generation in production compared to fumed silica
*Easy to incorporate as extremely low shear forces are required.
*The processing time can be significantly reduced compared to conventional fumed silica.
*No activation by heat or activators required
*Less storage area due to higher bulk density compared to fumed silica
Recommended levels
0.5–5% additive (as supplied) based on the resin content.
The above recommended levels can be used for orientation.
The optimum dosage should be determined by application-related test series.
Incorporation and processing instructions
Garamite 1958 can be incorporated directly into the resin.
A premixture in styrene is recommended to achieve full efficacy in UP/VE resins (dosages 0.5–2%).
For this purpose, 8 to 12% Garamite 1958 must be incorporated into styrene.
At this concentration, the mixture can still be pumped and will still flow and can be later dosed to the resin.
The use of deaerators in such resins is advisable to reduce the quantity of air bubbles.
Content in UP/VE resins can be reduced by combining Garamite 1958 with booster additives, such as RHEOBYK-R 605.
The combination also allows for the transition from a pseudoplastic to a thixotropic rheology profile and for the reduction of thixotropic drift over time.
ADVANTAGES OF of GARAMITE 1958:
The use of Garamite 1958 delivers the following advantages:
*Pseudoplastic flow
*No influence on VOC content
*Easy to incorporate
*Wide compatibility with different plasticizers
*Higher efficacy than precipitated fillers
Recommended levels
1–5% additive (as supplied) based upon the total formulation, depending on the properties of the formulation to be achieved.
The above recommended levels of Garamite 1958 can be used for orientation.
The optimum dosage of Garamite 1958 should be determined by application-related test series.
Incorporation and processing instructions
Garamite 1958 can be incorporated directly in the liquid phase or retrospectively using moderate shear forces.
We recommend that you test the influence of the product on haze, color and heat stability in series of tests.
AGRICULTURAL INDUSTRY USES of GARAMITE 1958:
Special features and benefits
Garamite 1958 is a self-activating additive with an increased impact on viscosity in the low shear range.
Garamite 1958 is used as a universal thickener.
Recommended use
Garamite 1958 is particularly suitable for use in oil-based plant protection formulations (oily solutions and oily dispersions).
Recommended levels
0.1–2% additive (as supplied) based upon the total formulation, depending on the properties of the formulation to be achieved.
The above recommended levels of Garamite 1958 can be used for orientation.
The optimum dosage of Garamite 1958 should be determined by application-related test series.
Incorporation and processing instructions
To ensure optimum distribution and the best possible effectiveness and reproducibility in applications, Garamite 1958 must be added to oil slowly whilst stirring, and dispersed using high shear forces for at least 10 minutes.
After incorporation, this premixture should rest for 15 to 20 minutes before all other components of the formulation are added to the dispersion.
NON-AQUEOUS DRILLING FLUID SYSTEMS USE of GARAMITE 1958:
Special features and benefits
Garamite 1958 is a unique rheology additive that can be used as a suspension agent in all oil-based drilling fluids.
The use of Garamite 1958 delivers the following properties and benefits:
*Easy incorporation
*High low-shear viscosity
*Improved sagging resistance and anti-settling properties of solids
*Compatibility and synergy with conventional organic phyllosilicates
Recommended levels
1.4–2.8 kg/m³ additive (as supplied) based on the total formulation.
The above recommended levels of Garamite 1958 can be used for orientation.
The optimum dosage of Garamite 1958 should be determined by application-related test series.
Incorporation and processing instructions
Garamite 1958 can be incorporated at various points.
Garamite 1958 can be mixed in the rinsing system using standard mixing conditions.
If this is done on the drilling rig, Garamite 1958 can be added using the chemical funnel.
Special note
Garamite 1958 is incorporated much faster than conventional organic phyllosilicate additives.
ADHESIVES AND SEALANTS USE of GARAMITE 1958:
Special features and benefits
Garamite 1958 is a powdered rheology additive for use in adhesives and sealants, which contributes to improving sagging resistance whilst also enabling easy processing.
Garamite 1958 is characterized by its particularly easy dispersibility with high efficiency in various binder systems based on polyurethanes, epoxides and silane terminated polymers.
The use of Garamite 1958 delivers the following advantages:
*High sagging resistance
*Improves anti-settling properties
*Extreme shear thinning
*Fast viscosity buildup after shearing
*Easy to incorporate
*Insensitive to high shear forces
*No activation by heat or activators required
*Low dust generation due to high bulk density
Recommended levels
0.5–5% additive (as supplied) based on the total formulation.
The above recommended levels of Garamite 1958 can be used for orientation.
The optimum dosage of Garamite 1958 should be determined by application-related test series.
Incorporation and processing instructions
Garamite 1958 can be incorporated directly into the formulation.
Care must be taken to ensure that Garamite 1958 is either pre-dried or dried by means of chemical water catchers in one-pack moisture-curing systems.
Drying can be done in both cases in combination with the usual fillers, such as CaCO₃.
POWDER COATINGS USES of GARAMITE 1958:
Special features and benefits
Garamite 1958 is a rheology additive that can be used to increase melt viscosity in powder coatings.
Even at low dosage, the melt viscosity is increased during extrusion and cross-linking reaction.
The resulting coating will maintain good flow properties despite its increased viscosity.
The combination of different morphological structures in the mineral component results in particularly easy dispersibility with high efficiency.
Garamite 1958 is recommended for epoxy-based resin systems.
Higher dosages result in a fine texture finish and a reduction in the gloss level.
Garamite 1958 can be used to modify the surface structure in finely textured systems.
The increased melt viscosity improves edge coverage.
This results in better corrosion resistance.
Recommended use of Garamite 1958:
Garamite 1958 is recommended for powder coatings based on epoxy, polyester, polyurethane and acrylate resins as well as polyester/epoxy combinations.
Garamite 1958 is particularly recommended for epoxy-based binders.
Incorporation and processing instructions:
Garamite 1958 should be mixed with resin, curing agents, pigments and other raw materials in a high-speed mixer and then extruded.
DETERGENTS, CLEANING & CARE PRODUCTS USES of GARAMITE 1958:
Detergents, cleaning and care products uses of Garamite 1958
Special features and benefits
Garamite 1958 can be used in solvent systems within a wide polarity range from low polar to high polar.
Garamite 1958 is suitable solvents include, for example, esters, vegetable oils, glycerol, aromatic compounds, mineral oils and silicone oils.
Garamite 1958 can also be used in nonionic surfactants (alcohol ethoxylates).
Garamite 1958 is very easy to disperse and can be processed using low shear forces.
Garamite 1958 does not require an activator for gelling.
Garamite 1958 produces excellent sagging resistance and effectively prevents settling and syneresis.
Recommended levels
0.5–3% (as supplied) based upon the total formulation, depending on the properties of the formulation to be achieved.
The above recommended levels of Garamite 1958 can be used for orientation.
The optimum dosage of Garamite 1958 should be determined by application-related test series.
Incorporation and processing instructions
Garamite 1958 can be incorporated either as a pregel or in situ.
Pregel can be produced as follows:
Place the organic solvent in the dispersion vessel
Slowly add the Garamite 1958 (up to 20% based on the pregel) while stirring
Mix for 15 minutes while stirring
Direct induction during production can be carried out as follows:
Place the organic solvent or oil in the dispersion vessel
Slowly add the Garamite 1958 while stirring
Mix for 15 minutes while stirring
Continue to add the other recipe components
The retrospective incorporation of Garamite 1958 to a finished system is also possible.
Then higher shear forces are required and the temperature of the mix must be below 50 °C.
CONSTRUCTION CHEMICALS USES of GARAMITE 1958:
Special features and benefits
Garamite 1958 is a unique rheology additive with very wide compatibility in all solvent-based and solvent-free binder systems for construction chemical applications.
Garamite 1958 has the following properties:
**Pseudoplastic flow
*Increases anti-sagging properties
*Improves anti-settling properties
Recommended levels
0.5–3% additive (as supplied) based upon the total formulation, depending on the properties of the formulation to be achieved.
The above recommended levels of Garamite 1958 can be used for orientation.
The optimum dosage of Garamite 1958 should be determined by application-related test series.
BENEFITS of GARAMITE 1958:
Garamite 1958 has the following product features and benefits:
• Pseudoplastic flow
• Improves sagging resistance
• Improves anti-settling properties
• Supports the alignment of effect pigments
Due to its high bulk density, it is easy to handle and is not sensitive to shear forces.
KEY BENEFITS of GARAMITE 1958:
*Rheology additives
*Organophilic phyllosilicates based on patented MMT technology
*For solvent-borne and solvent-free systems
*Easy incorporation
*Excellent improvement of sag resistance and anti-settling properties
SPECIAL FEATURES AND BENEFITS of GARAMITE 1958:
Garamite 1958 is a powdered thixotropic additive based on a composition of organically modified phyllosilicates.
Garamite 1958 is particularly suitable for the formulation of PVC plastisols.
The combination of different morphological structures in the mineral component results in particularly easy dispersibility in the liquid phase.
✅ BENEFITS & ADVANTAGES of GARAMITE 1958:
*According to manufacturer / supplier sources, the advantages of Garamite 1958 include:
High efficiency at lower dosage compared to conventional thixotropes or fumed silica, because of its specially modified phyllosilicate structure.
Easier dispersion and incorporation, with less tendency to dust (thanks to higher bulk density), and less shear sensitivity (i.e. stable thixotropy under processing shear).
Garamite 1958 provides pseudoplastic (shear-thinning) / thixotropic flow, which allows easier processing (mixing, brushing, extrusion) and good handling properties, while once static, viscosity recovers — aiding anti-sagging / anti-settling.
*Broad compatibility:
Garamite 1958 works with a wide variety of resin / solvent / binder systems (solvent-based, solvent-free, etc.), making it versatile across different industries.
Compared to pyrogenic or precipitated fillers such as fumed silica, Garamite 1958 often yields lower dust, lower required dosage, easier handling, stable rheology and better productivity.
SPECIAL FEATURES AND BENEFITS of GARAMITE 1958:
Garamite 1958 is a unique rheology additive with very wide compatibility in a wide range of solventbased and solvent-free coating systems.
Garamite 1958 has the following product features and benefits:
*Pseudoplastic flow
*Garamite 1958 improves sagging resistance
*Garamite 1958 improves anti-settling properties
*Garamite 1958 supports the alignment of effect pigments
Due to its high bulk density, Garamite 1958 is easy to handle and is not sensitive to shear forces.
PRODUCT FAMILY of GARAMITE 1958:
Garamite rheology additives are organophilic phyllosilicates based on the Mixed Mineral Technology (MMT) for solvent-borne and solvent-free systems.
Garamite have an exceptionally high bulk density (i.e. lower volume), exhibit a very unique rheology profile, are easy to handle and incorporate, and give outstanding sag resistance and anti-settling properties.
Garamite additives can be used in the most varied of solvent-borne and solvent-free systems such as coatings, plastics, adhesives and sealants, and household and institutional cleaners.
PHYSICAL and CHEMICAL PROPERTIES of GARAMITE 1958:
Form: Powder.
Colour / Appearance: Off-white (solid powder).
Solubility: Insoluble in water.
Dust / Explosion / Combustibility (dust form): According to datasheet: dust may be combustible; there is a “Lower Explosion Limit” and dust-explosion classification (dust cloud ignition temperature, dust layer ignition temperature) — i.e. dust handling may pose hazard.
Bulk density / Handling: It has a higher bulk density compared with pyrogenic silica fillers; this gives lower dusting, easier handling, reduced storage volume, and possibly lower dosage for similar performance.
Rheological behavior: It provides pseudoplastic (shear-thinning) / thixotropic flow — meaning viscosity decreases under shear (mixing, brushing, extrusion) and recovers when shear is removed. This aids processing, leveling, sag resistance.
Effect on coatings / resin systems: Improves anti-sagging (prevents run / drip), anti-settling (prevents pigment / filler settling), helps stabilize suspensions, supports orientation of effect pigments.
Compatibility: Broad compatibility — can be used in solvent-based and solvent-free systems, including epoxy, unsaturated polyester, vinyl ester, polyurethane resin systems, and in paint & coatings, adhesives/sealants, plastisols (PVC), composites, etc.
Recommended dosage (typical): For many systems, 0.1–2% (as supplied, by weight) based on total formulation is suggested as starting point. For PVC plastisols, sometimes 1–5% is used. For coatings/resins, actual optimum depends on application and should be determined by testing.
Shelf life / Stability / Storage: According to its technical documentation, GARAMITE 1958 complies with regulatory listing (EINECS, TSCA, etc.).
Storage temperature should be controlled (avoid excessive moisture, contamination, dust cloud formation, dust explosion risk).
Physical form: Powder (organic‑modified phyllosilicate)
Appearance (as supplied): Off‑white (or light) powder
Bulk density (loose / as supplied): ~ 34–172 kg/m³
Specific gravity (solid material / particle density): ~ 1.5–1.7 g/cm³
Chemical composition: Organically modified phyllosilicates (mixed‑mineral clay, organoclay)
Solubility: Insoluble in water
Rheological / functional properties: Exhibits pseudoplastic (shear‑thinning) or thixotropic flow; improves sag resistance, anti‑settling (prevents pigment/filler settling), supports pigment orientation / distribution, increases storage stability
Typical recommended dosage: ~ 0.3–1.5% (as additive based on total formulation) in many solvent‑borne coating systems; other applications allow 0.5–5% depending on resin system
CAS Number: 68911‑87‑5 (commonly referenced, not universally confirmed)
EC Number / EC‑List Number: Not publicly available / not disclosed
Molecular Formula: Not applicable / not defined (organically modified phyllosilicate mixture)
Molecular Weight: Not applicable / not fixed (mixture / mineral-based additive)
FIRST AID MEASURES of GARAMITE 1958:
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation:
Fresh air.
*In case of skin contact:
Take off immediately all contaminated clothing.
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact:
Rinse out with plenty of water.
Call in ophthalmologist.
Remove contact lenses.
*If swallowed:
After swallowing:
Immediately make victim drink water (two glasses at most).
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available
ACCIDENTAL RELEASE MEASURES of GARAMITE 1958:
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains.
Collect, bind, and pump off spills.
Observe possible material restrictions.
Take up dry.
Dispose of properly.
Clean up affected area.
FIRE FIGHTING MEASURES of GARAMITE 1958:
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2)
Foam
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.
EXPOSURE CONTROLS/PERSONAL PROTECTION of GARAMITE 1958:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A
-Control of environmental exposure:
Do not let product enter drains.
HANDLING and STORAGE of GARAMITE 1958:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.
STABILITY and REACTIVITY of GARAMITE 1958:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available