ARADUR 370

ARADUR 370 is an anhydride curing agent that enables high-performance crosslinking in epoxy resin systems.
ARADUR 370 provides excellent thermal stability and electrical insulation properties in cured materials.
ARADUR 370 is widely used in composites and electrical applications where durability and heat resistance are critical.

CAS Number: 1226892-45-0

Synonyms: Epoxy Hardener 370, Anhydride Curing Agent 370, Epoxy Anhydride Hardener, ARADUR Hardener 370, Epoxy Crosslinking Agent 370, Thermoset Hardener 370, Epoxy Resin Curing Agent, Anhydride-Based Hardener, Epoxy Network Former, Industrial Epoxy Hardener, Electrical Grade Epoxy Hardener, Composite Curing Agent, Casting Resin Hardener, High-Temperature Epoxy Hardener, Thermal Resistant Hardener

ARADUR 370 is a hardener used in adhesives and sealants and paints and coatings.
ARADUR 370 is an anhydride-based curing agent used in epoxy resin systems, particularly for applications requiring high thermal resistance, good electrical insulation, and excellent mechanical properties.

ARADUR 370 is commonly used in combination with epoxy resins such as Araldite systems and requires an accelerator to initiate and control the curing reaction.
ARADUR 370 is widely applied in electrical encapsulation, composites, casting, and high-performance industrial components.

Uses of ARADUR 370:
ARADUR 370 is used as a hardener for epoxy resins in applications such as electrical insulation systems, casting resins, laminates, composites, adhesives, and tooling.
ARADUR 370 enables the formation of highly crosslinked thermoset networks with superior heat resistance and dimensional stability.

Stability and Reactivity of ARADUR 370:

Chemical stability:
Stable under recommended storage conditions.

Reactivity:
Reacts with epoxy resins to form crosslinked polymer networks.
Reaction typically requires accelerator.

Conditions to avoid:
Moisture.
Excessive heat.
Contamination.

Incompatible materials:
Strong bases.
Amines (uncontrolled reaction).
Oxidizing agents.

Hazardous decomposition products:
CO.
CO₂.
Organic acid vapors under thermal decomposition.

Handling and Storage of ARADUR 370:

Handling:
Avoid contact with skin and eyes.
Use appropriate PPE and ventilation.

Storage:
Store in tightly sealed containers in a cool, dry, well-ventilated area.

Temperature:
Recommended 15–30°C.

Precautions:
Protect from moisture to prevent hydrolysis.

First Aid Measures of ARADUR 370:

Inhalation:
Move to fresh air.
Seek medical attention if symptoms occur.

Skin:
Wash thoroughly with soap and water.

Eyes:
Rinse cautiously with water for at least 15 minutes.

Ingestion:
Seek immediate medical attention.
Do not induce vomiting.

Firefighting Measures of ARADUR 370:

Extinguishing media:
Foam.
Dry chemical.
CO₂.
Water spray.

Hazards:
Toxic fumes may form during combustion.

Protection:
Use self-contained breathing apparatus (SCBA).

Accidental Release Measures of ARADUR 370:

Containment:
Prevent spreading using inert absorbents.

Cleanup:
Collect and dispose in accordance with regulations.

Environmental precautions:
Avoid release into environment.

Exposure Controls / Personal Protective of ARADUR 370:

Ventilation:
Local exhaust ventilation recommended.

Respiratory:
Use respirator if exposure limits are exceeded.

Gloves:
Chemical-resistant gloves (nitrile.
Neoprene).

Eye protection:
Safety goggles.
Face shield.

Clothing:
Protective clothing to prevent skin contact.

Identifiers of ARADUR 370:
Chemical Name: Anhydride-based epoxy curing agent
Chemical Family: Polyamines
CAS Number: 1226892-45-0
EC Number: Not publicly specified
Molecular Formula: Not applicable
Molecular Weight: Not applicable
IUPAC Name: Not defined

Properties of ARADUR 370:
Physical State: Liquid
Appearance: Clear to pale amber liquid
Odor: Mild characteristic odor
Density: ~1.10 – 1.20 g/cm³ (at 25°C)
Viscosity: Medium viscosity
Flash Point: >150°C (approximate)

pH (at 20°C, concentration : 500 g/l): 11
Density (at 20°C): 0.95 g/cm³
Dynamic Viscosity (at 20°C): 276
Relative Density (at 20°C): 0.952
Vapor Pressure (at 20°C): min. 0.1 hPa
Solubility in Water (at 20°C): 0.019 g/L
Practically Insoluble in (at 23°C): Water
Dynamic Viscosity (at 25°C): 150 - 350 mPa.s
Partition Coefficient (at 25.2°C, n-octanol/water log Pow): 2.2
Flash Point: 181°C
Auto Ignition Temperature: 370°C
Boiling Point: min. 300°C
Color: Brown
Melting Point: max. -30°C
Odor: Amine-like
Physical State:    Liquid