PRODUCTS

ARADUR 20315

Aradur 20315 is used for multilayer coatings intended for moderate to warm climates because of its excellent chemical resistance and durable cured films.
Aradur 20315 is also widely used in structural adhesives for automotive assembly, transportation equipment, aerospace, marine, rail vehicles, wind energy components, household appliances, medical devices, sporting goods, battery assembly, cable sealing, motor and magnet bonding, potting and encapsulation, and industrial equipment manufacturing.

CAS Number: Mixture (no single CAS number assigned)
EC Number: Mixture (no single EC number assigned)
Molecular Formula: Not applicable (proprietary formulated mixture/UVCB)
Molecular Weight: Not applicable (mixture)

SYNONYMS:
ARADUR® 20315, Aradur 20315, Modified Cycloaliphatic Polyamine, Formulated Polyamine Adduct, Polyamine Curing Agent, Epoxy Hardener, Epoxy Curing Agent, Cycloaliphatic Polyamine Hardener, Formulated Epoxy Hardener

Aradur 20315 is a modified cycloaliphatic polyamine based curing agent with low emission.
Aradur 20315 exhibits no benzyl alcohol, plasticizer and solvent.
Aradur 20315 is a modified cycloaliphatic polyamine-based formulated polyamine adduct for use as a high-performance epoxy curing agent.

Aradur 20315 is a low-emission, solvent-free, plasticizer-free, and benzyl alcohol-free hardener designed for ambient-curing two-component (2K) epoxy systems.
Aradur 20315 provides an excellent combination of chemical resistance, mechanical strength, color stability, and heat resistance, making it suitable for demanding coatings, adhesives, composites, and electrical insulation applications.

USES and APPLICATIONS of ARADUR 20315:
Aradur 20315 is used as a chemical building block in combination with accelerator.
Aradur 20315 is used in exterior vehicle (OEM), interior vehicle (OEM), vehicle assembly (OEM), structural assembly, battery cover sealing & battery assembly, cable sealing, motor and magnet bonding, potting and encapsulating, assembly, thermally & electrically conductive, household appliance assembly, sporting goods, medical device assembly, aircraft & aerospace, marine, rail, recreational vehicle, truck, sport & leisure and wind in adhesive applications.

Aradur 20315 is primarily used as a curing agent in high-performance two-component epoxy systems for industrial coatings, structural adhesives, composites, and electrical insulation materials.
In coating applications, Aradur 20315 is employed in chemical-resistant multilayer coating systems, protective industrial coatings, epoxy floor coatings, tank linings, pipe coatings, and heavy-duty maintenance finishes where long-term resistance to aggressive chemicals and elevated temperatures is required.

Because of its balanced curing profile and excellent mechanical performance, Aradur 20315 is frequently incorporated into epoxy formulations requiring high modulus, outstanding adhesion, thermal stability, and long-term durability under demanding service conditions.
Aradur 20315 is widely used as a versatile curing agent and can also be combined with suitable accelerators to tailor curing speed and processing characteristics.
Aradur 20315 is particularly recommended for chemical-resistant multilayer coatings operating in moderate to warm climates and for structural adhesive formulations requiring excellent long-term durability.

-Applications of Aradur 20315:
• All types of coating, multilayer, in moderate to warm climates
• Chemical resistant coating
• Adhesives, Composites

PROPERTIES of ARADUR 20315:
• Versatile hardener to be used as a chemical building block in combination with
accelerator.
• Low emission standard all rounder.
• No plasticizer, No solvent
• All components used to prepare Aradur 20315 are present on the EU list No 10/2011
(plastic materials and articles intended to come into contact with food)

BENEFITS of ARADUR 20315:
Aradur 20315 offers a combination of environmental compliance and high technical performance.
Aradur 20315's solvent-free, VOC-free, plasticizer-free, and benzyl alcohol-free formulation significantly reduces emissions while maintaining excellent curing efficiency.
The cured epoxy systems exhibit outstanding chemical resistance, excellent mechanical strength, high modulus, and superior heat resistance.

Good color stability helps maintain the appearance of decorative and protective coatings over long service periods.
Aradur 20315 provides excellent adhesion to a wide variety of substrates while producing durable epoxy networks with low shrinkage and high dimensional stability.
Its versatility allows formulators to use Aradur 20315 in coatings, adhesives, composites, and electrical insulation systems while adjusting curing speed through the use of compatible accelerators.

CHARACTERISTICS of ARADUR 20315:
Aradur 20315 is a modern, formulated cycloaliphatic polyamine adduct developed to provide a balanced combination of processing performance, environmental compliance, and long-term durability.
Unlike many conventional epoxy curing agents, Aradur 20315 contains no benzyl alcohol, no plasticizer, and no solvent, resulting in very low emissions and reduced volatile organic compound (VOC) content.

The modified polyamine chemistry provides excellent chemical resistance, high mechanical performance, and improved color stability while maintaining good processing characteristics.
Aradur 20315 is suitable both as a stand-alone curing agent and as a chemical building block used together with dedicated accelerators to optimize curing speed.
Because of its high heat resistance and excellent mechanical integrity, Aradur 20315 is well suited for demanding industrial applications where coatings and adhesives are exposed to aggressive chemicals, elevated temperatures, and continuous mechanical stress.

PHYSICAL and CHEMICAL PROPERTIES of ARADUR 20315:
Physical state: Liquid
Appearance: Clear to slightly yellow liquid
Odor: Characteristic amine odor
Chemical family: Modified cycloaliphatic polyamine
Product type: Formulated polyamine adduct
Cure mechanism: Epoxy–amine addition reaction
Viscosity (25°C): 5,500–8,000 mPa·s
Amine value: 470–510 mg KOH/g

Active Hydrogen Equivalent Weight (AHEW): Approximately 59 g/eq
Gel time (23°C, with ARALDITE® GY 250): Approximately 100 minutes
Density (25°C): Approximately 1.02–1.06 g/cm³
Gardner color: Not specified in the latest public TDS; designed for good color stability
Physical form: Medium- to high-viscosity liquid
Solvent-free
VOC-free
Plasticizer-free
Benzyl alcohol-free

Low-emission formulation
SVHC-free (Substances of Very High Concern)
High reactivity with epoxy resins
Excellent compatibility with liquid epoxy resins
High crosslink density after cure
Excellent chemical resistance
Excellent mechanical strength
High modulus
High heat resistance
Good temperature resistance

Good color stability and low yellowing tendency
Excellent adhesion to metals, concrete, composites, wood, and engineering plastics
Excellent moisture resistance after full cure
Good water resistance
Excellent resistance to dilute acids, alkalis, fuels, oils, greases, and many industrial chemicals
Low curing shrinkage
Good dimensional stability
Suitable for ambient-temperature curing

Stable under recommended storage conditions
Compatible with suitable epoxy accelerators when faster curing is required
Flammability: Combustible liquid with relatively high flash point
Application Methode: Manual
Curing Temperature (°C): 170 CELSIUS
Curing Time (min): 10 MINUTE
Chemistry / Technology: Molybdenum disulfide
Color: Grey

AFC Resin: phenol
Maximum temperature (°C): 250 CELSIUS
Minimum temperature (°C): -70 CELSIUS
AFC Thinner: Molykote L-13
CAS Number: Mixture (no single CAS number assigned)
EC Number: Mixture (no single EC number assigned)
Molecular Formula: Not applicable (proprietary formulated mixture/UVCB)
Molecular Weight: Not applicable (mixture)

FIRST AID MEASURES of ARADUR 20315:
-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 ARADUR 20315:
-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 ARADUR 20315:
-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 ARADUR 20315:
-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 ARADUR 20315:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.

STABILITY and REACTIVITY of ARADUR 20315:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available