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Aradur 15-1 is extensively used as a curing agent in high-performance epoxy systems designed for industrial manufacturing, construction, electrical engineering, transportation, and composite fabrication.
Aradur 15-1 is used in construction industry systems and solvent-free coatings.
Aradur 15-1 is primarily used as a curing agent for epoxy resin systems in industrial applications requiring high-performance thermosetting polymers.
CAS Number: Not assigned (mixture)
EC Number: Not assigned (mixture)
Molecular Formula: Not applicable (mixture)
Molecular Weight: Not applicable (mixture)
SYNONYMS:
ARADUR® 15-1, Aradur 15-1 Epoxy Hardener, Epoxy Curing Agent ARADUR 15-1, Epoxy Resin Hardener, Polyamine-Based Epoxy Hardener (general description), Epoxy Crosslinking Agent
Aradur 15-1 is a polyamine.
Aradur 15-1 is suitable for flexibilizing and hydrophobizing coatings.
Aradur 15-1 exhibits low viscosity.
Aradur 15-1 is nonylphenol-free.
Aradur 15-1 is polyamine-based curing agent.
Aradur 15-1 also acts as formulated hardener.
Aradur 15-1 is suitable for flexibilizing and hydrophobizing mastics.
Aradur 15-1 is a proprietary amine-based epoxy hardener specifically formulated to provide controlled curing behavior and excellent compatibility with liquid epoxy resins.
Unlike single-component chemicals, Aradur 15-1 consists of a carefully balanced mixture of reactive ingredients designed to optimize curing performance and final material properties.
The curing reaction occurs through chemical addition between the amine functional groups and epoxy rings, producing a three-dimensional thermoset network without generating volatile by-products.
This reaction results in materials possessing excellent dimensional stability, low shrinkage, and high structural integrity.
The cured systems exhibit excellent resistance to water, humidity, oils, solvents, and many industrial chemicals while maintaining good mechanical strength over a broad service temperature range.
Their excellent adhesion, toughness, and electrical insulation properties make them suitable for demanding engineering applications.
Aradur 15-1 is not a single pure chemical substance.
Because it is a proprietary formulation/mixture, Aradur 15-1 does not have a unique CAS Number, EC Number, molecular formula, or molecular weight for the product as a whole.
These identifiers apply only to the individual chemical components within the formulation.
Aradur 15-1 is a proprietary epoxy curing agent formulated for use with epoxy resin systems in industrial, electrical, structural, and composite applications.
Aradur 15-1 is designed to react with liquid epoxy resins to produce highly crosslinked thermoset polymers exhibiting excellent mechanical strength, chemical resistance, dimensional stability, and electrical insulation properties.
Aradur 15-1 has been widely utilized in casting, encapsulation, adhesive, tooling, laminating, and composite manufacturing processes where durable and reliable cured epoxy systems are required.
As a formulated curing agent rather than a single chemical compound, Aradur 15-1 contains proprietary ingredients selected to optimize curing behavior, processing characteristics, and final material performance.
Aradur 15-1 provides controlled curing rates, good processing flexibility, and excellent compatibility with many bisphenol-based epoxy resins.
Aradur 15-1 provides efficient curing of epoxy resins while producing highly crosslinked polymer networks with excellent mechanical strength and long-term durability.
The cured materials exhibit outstanding adhesion to a wide variety of substrates including metals, concrete, glass, ceramics, wood, and composite materials.
Aradur 15-1 contributes to excellent chemical resistance against oils, fuels, dilute acids, alkalis, and many industrial chemicals.
Aradur 15-1 also enhances moisture resistance and environmental durability, making cured epoxy systems suitable for demanding industrial environments.
Aradur 15-1's balanced curing characteristics provide good processing flexibility, allowing manufacturers to produce castings, laminates, adhesives, and coatings with consistent quality.
Low curing shrinkage contributes to dimensional accuracy and minimizes internal stress during polymerization.
The cured epoxy systems demonstrate excellent electrical insulation, high dielectric strength, good thermal stability, and superior resistance to mechanical loading, making them suitable for electrical engineering and structural applications.
USES and APPLICATIONS of ARADUR 15-1:
Aradur 15-1 is extensively used as a curing agent in high-performance epoxy systems designed for industrial manufacturing, construction, electrical engineering, transportation, and composite fabrication.
Aradur 15-1 reacts with compatible epoxy resins to produce thermoset materials with outstanding structural integrity, making it suitable for applications where long-term durability and mechanical reliability are essential.
In adhesive technology, Aradur 15-1 is employed in the production of structural bonding systems capable of joining metals, glass, ceramics, concrete, stone, wood, and fiber-reinforced composites.
These adhesive systems are widely used in automotive assembly, aerospace components, marine construction, railway equipment, and industrial machinery where high bond strength and resistance to fatigue are required.
Aradur 15-1 is commonly utilized in epoxy casting compounds for manufacturing molds, tooling blocks, prototypes, fixtures, jigs, electrical insulators, and precision engineering components.
Aradur 15-1's controlled curing characteristics help produce cast parts with low internal stress, excellent dimensional accuracy, and minimal shrinkage.
Within the electrical and electronics industries, Aradur 15-1 is used in potting, encapsulation, impregnation, and insulation systems for transformers, switchgear, sensors, capacitors, coils, circuit boards, and electronic modules.
The cured epoxy systems protect sensitive components from moisture, dust, chemicals, vibration, and mechanical shock while providing excellent dielectric performance.
Composite manufacturers incorporate Aradur 15-1 into laminating systems used to produce glass fiber, carbon fiber, and aramid fiber reinforced composites.
These materials are widely used in wind turbine blades, marine structures, sporting goods, automotive body panels, aerospace components, and industrial equipment requiring high strength-to-weight ratios.
Aradur 15-1 is also applied in industrial flooring systems, protective coatings, corrosion-resistant linings, and repair compounds.
Cured epoxy materials provide durable surfaces capable of withstanding heavy mechanical loads, abrasion, chemicals, moisture, and frequent cleaning, making them suitable for factories, warehouses, laboratories, and chemical processing facilities.
Aradur 15-1 is further employed in maintenance and repair formulations for rebuilding worn equipment, repairing concrete structures, restoring metal components, and manufacturing high-performance grouts and anchoring systems used in civil engineering and infrastructure projects.
When used along with suitable epoxy resins, Aradur 15-1 provides improved curing rate with a shorter pot life, flexibility, lower degree of water absorption, reduced resistance to chemicals, improved surface appearance when compared to Aradur 15, tensile elongation at 23°C in combination with Araldite GY 783 of approx 50%.
Aradur 15-1 is used in construction industry systems and solvent-free coatings.
Aradur 15-1 is primarily used as a curing agent for epoxy resin systems in industrial applications requiring high-performance thermosetting polymers.
When combined with epoxy resins, Aradur 15-1 produces durable crosslinked materials with excellent mechanical, thermal, electrical, and chemical properties.
Aradur 15-1 is widely employed in structural adhesives used for bonding metals, composites, ceramics, concrete, and engineering plastics.
The resulting adhesive systems provide high bond strength, low shrinkage, and long-term durability under demanding service conditions.
In the electrical and electronics industry, Aradur 15-1 is used for encapsulation, potting, insulation, transformers, switchgear, sensors, and electronic components.
The cured systems provide excellent dielectric properties, moisture resistance, and protection against environmental exposure.
Composite manufacturers utilize Aradur 15-1 in laminating resins, fiber-reinforced composites, tooling boards, molds, and structural composite components.
Aradur 15-1 promotes strong adhesion between the resin matrix and reinforcing fibers while contributing to excellent mechanical performance.
Aradur 15-1 is also used in casting resins for industrial tooling, prototypes, molds, fixtures, and precision engineering applications.
The cured materials exhibit low shrinkage, dimensional accuracy, and excellent machinability.
Industrial flooring, protective coatings, corrosion-resistant systems, marine coatings, aerospace components, automotive composites, and heavy-duty maintenance materials also utilize epoxy systems cured with products such as Aradur 15-1 where long-term durability and chemical resistance are essential.
BENEFITS of ARADUR 15-1:
Aradur 15-1 enables the production of epoxy systems with excellent mechanical strength, allowing cured materials to withstand high tensile, compressive, flexural, and impact loads over extended service periods.
The resulting thermoset networks maintain their structural performance even under demanding industrial conditions.
One of Aradur 15-1's major advantages is its ability to produce strong and durable adhesion to a broad range of engineering substrates without requiring extensive surface treatment.
This contributes to improved reliability and longer service life in bonded assemblies.
Aradur 15-1 promotes the formation of highly crosslinked polymer networks that exhibit excellent chemical resistance against oils, fuels, greases, dilute acids, alkalis, salts, cleaning agents, and many industrial chemicals.
These properties make the cured systems suitable for harsh operating environments.
Another important benefit is Aradur 15-1's contribution to dimensional stability.
Low curing shrinkage minimizes internal stresses, reduces the risk of cracking or distortion, and helps maintain precise dimensions in castings, molds, and structural components.
Aradur 15-1 enhances moisture resistance and environmental durability, allowing cured epoxy systems to perform reliably under humid conditions, outdoor exposure, and cyclic temperature variations.
The cured materials also demonstrate good resistance to weathering and long-term aging.
Aradur 15-1's balanced curing behavior provides manufacturers with practical processing flexibility, enabling efficient mixing, casting, laminating, and adhesive application while maintaining consistent curing performance and reproducible product quality.
Aradur 15-1 contributes to excellent electrical insulation properties, including high dielectric strength, low electrical conductivity, and reliable insulation performance in electrical and electronic equipment.
These characteristics make Aradur 15-1 suitable for encapsulation and insulation applications where electrical safety is critical.
CHARACTERISTICS of ARADUR 15-1:
Aradur 15-1 is a proprietary epoxy curing agent formulated to provide reliable curing performance, excellent compatibility with liquid epoxy resins, and consistent processing behavior across a wide range of industrial applications.
As a formulated hardener rather than a single chemical substance, Aradur 15-1 is engineered to achieve an optimized balance between reactivity, workability, and final material performance.
The curing reaction proceeds through the addition of reactive amine groups to epoxy rings, forming a dense three-dimensional crosslinked polymer network without releasing volatile by-products.
This mechanism contributes to excellent mechanical integrity, low shrinkage, and high dimensional accuracy.
The cured epoxy systems exhibit a combination of high rigidity and toughness, enabling them to resist impact, vibration, cyclic loading, and mechanical fatigue while maintaining structural stability over long service periods.
Aradur 15-1 demonstrates excellent compatibility with numerous epoxy resin formulations and can be incorporated into systems developed for adhesives, coatings, castings, composites, electrical insulation, and structural engineering materials.
This versatility allows formulators to tailor processing characteristics and performance according to specific application requirements.
The product supports the production of epoxy materials with smooth surface finishes, excellent surface wetting, strong substrate adhesion, and good fiber impregnation in reinforced composite systems.
These characteristics improve manufacturing efficiency while contributing to high-quality finished products.
Following complete curing, epoxy systems prepared with Aradur 15-1 exhibit excellent resistance to water absorption, humidity, corrosion, thermal cycling, and many aggressive industrial environments.
Their combination of mechanical strength, electrical insulation, chemical resistance, and long-term durability has made them suitable for demanding engineering applications across numerous industrial sectors.
COMPONENTS of ARADUR 15-1:
Aradur 15-1 is a polyamine-based epoxy curing agent (hardener).
Unlike products such as Aradur 20115 I 73 or Aradur 20115 X 70, it is not a solvent solution.
Aradur 15-1 is supplied as a solvent-free (100% active) polyamine hardener, meaning it contains essentially active curing agent without added solvent.
The formulation consists primarily of the following component:
Polyamine (active epoxy curing agent) – approximately 100 wt.%
Aradur 15-1 is described as a low-viscosity, nonylphenol-free polyamine curing agent intended for solvent-free epoxy systems.
COMPONENT DETAILS of ARADUR 15-1:
Polyamine
Function: Active epoxy curing agent (hardener)
Approximate content: ≈100 wt.%
CAS Number: Proprietary mixture (no single CAS number assigned)
EC Number: Mixture (no single EC number assigned)
Molecular Formula: Not applicable (proprietary mixture)
Molecular Weight: Not applicable (mixture)
Purpose: Reacts with epoxy resins to form a highly crosslinked thermoset polymer, providing excellent adhesion, flexibility, hydrophobicity, mechanical strength, and rapid ambient-temperature curing.
Typical Formulation (Approximate)
Polyamine: ~100%
PHYSICAL and CHEMICAL PROPERTIES of ARADUR 15-1:
Appearance: Clear to slightly yellow liquid
Physical State: Liquid
Odor: Mild amine-like odor
Color: Colorless to pale amber
Chemical Nature: Proprietary amine curing agent formulation
Density (25°C): Approximately 0.95–1.05 g/cm³
Viscosity (25°C): Medium viscosity liquid
Solubility in Water: Limited to slight
Solubility in Organic Solvents: Soluble in alcohols and many polar organic solvents
Miscibility with Epoxy Resins: Excellent
Flash Point: Above 100°C (depending on formulation)
Boiling Point: Not applicable for the formulated mixture
Melting Point: Not applicable
Vapor Pressure: Low at room temperature
Volatility: Low
pH: Alkaline (when dispersed in water)
Surface Tension: Moderate
Chemical Reactivity: Highly reactive toward epoxy groups
Cure Mechanism: Addition polymerization with epoxy resins
Cure Temperature: Ambient to elevated temperatures
Pot Life: Depends on resin system and mixing ratio
Gel Time: Formulation dependent
Thermal Stability: Good after curing
Oxidizing Properties: None
Explosive Properties: None
Corrosiveness: May be corrosive due to amine functionality
Shelf Stability: Good when stored properly
Moisture Sensitivity: Should be protected from moisture
Compatibility: Excellent with liquid epoxy resins
Crosslink Density: High after curing
Shrinkage During Cure: Low
Dimensional Stability: Excellent
Adhesion: Excellent to numerous substrates
Electrical Insulation: Excellent after complete curing
Heat Resistance: Good after cure
Chemical Resistance: Excellent after complete curing
Product Name: ARADUR® 15-1
Product Type: Epoxy curing agent / Hardener
Chemical Nature: Proprietary formulated mixture
CAS Number: Not assigned (mixture)
EC Number: Not assigned (mixture)
Molecular Formula: Not applicable (mixture)
Molecular Weight: Not applicable (mixture)
Product family: Crosslinking / Coupling / Curing Agents
Chemical family: Amines
Product Type: Additives
FIRST AID MEASURES of ARADUR 15-1:
-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 15-1:
-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 15-1:
-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 15-1:
-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 15-1:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.
STABILITY and REACTIVITY of ARADUR 15-1:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available
