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ARADUR 450 is an anhydride curing agent that provides controlled and efficient curing of epoxy resin systems.
ARADUR 450 delivers excellent thermal resistance and electrical insulation properties in the final material.
ARADUR 450 is widely used in composites, casting, and electrical applications requiring durable thermoset performance.
Synonyms: Epoxy Hardener 450, Anhydride Curing Agent 450, Epoxy Anhydride Hardener, ARADUR Hardener 450, Epoxy Crosslinking Agent 450, Thermoset Hardener 450, 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 450 is a polyamidoamine-based chemical compatible with concrete, metal, and wet concrete surfaces.
ARADUR 450 is designed to enhance bonding and curing properties for various industrial applications involving these materials.
ARADUR 450 is polyamidoamine curing agent.
ARADUR 450 is recommended for civil engineering, industrial maintenance and marine coatings.
ARADUR 450 is registered for REACH.
ARADUR 450 is a formulated polyaminoamine adduct that is used as a low viscosity curing agent developed specifically for highly humid or wet application areas.
ARADUR 450 may be formulated with liquid bisphenol A and/or bisphenol F epoxy resins to provide optimum properties on wet concrete substrates.
ARADUR 450 can be used to formulate specialty primers that can help adhesion to wet and minimally prepared substrates and can also cure underwater.
Typical applications include a primer for wet concrete substrates, epoxy aggregate, epoxy mortars, solvent-free or high solids coatings, and tank lining for metal and concrete substrates.
ARADUR 450 is an anhydride-based curing agent used in epoxy resin systems, designed to provide controlled curing behavior and high-performance properties in the final thermoset material.
ARADUR 450 is typically used with epoxy resins such as Araldite systems and requires an accelerator to initiate curing.
ARADUR 450 is widely applied in electrical insulation, composites, casting, and industrial applications requiring thermal and mechanical stability.
ARADUR 450 is a low viscosity curing agent developed specifically for use in highly humid or wet application areas.
ARADUR 450 may be formulated with liquid bisphenol A and /or bisphenol F epoxy resins to provide optimum properties on wet concrete substrates.
Applications of ARADUR 450:
With liquid epoxy resins such as Araldite® GY 250, GY 764, GY 783 or GY 793, for primers / adhesion promoters to problematic concrete substrates and also for solvent-free or low solvent coatings (high-solids) for heavy-duty corrosion protection.
Due to its extreme tolerance to wet conditions, ARADUR 450 can be applied to all types of wet-damp and difficult to wet substrates.
ARADUR 450 is used as a hardener in epoxy formulations for applications such as electrical encapsulation, laminates, composites, adhesives, and casting systems.
ARADUR 450 enables the formation of highly crosslinked structures with excellent heat resistance, dimensional stability, and dielectric properties.
Features & Benefits of ARADUR 450:
Low viscosity
Excellent adhesion to wet concrete
Suitable for high solid coatings for heavy duty corrosion protection
Properties of ARADUR 450:
Used along with suitable epoxy resins, ARADUR 450 presents the following features:
Relatively low viscosity, and good working properties
Slight flexibility with high levels of mortar stability
Outstanding adhesion to wet concrete and sand-blasted steel
Smooth, glossy, tack - free cured films or coatings
Very good corrosion protection
Stability and Reactivity of ARADUR 450:
Chemical stability:
Stable under recommended storage conditions.
Reactivity:
Reacts with epoxy resins to form crosslinked polymer networks.
Requires accelerator for curing.
Conditions to avoid:
Moisture.
Excessive heat.
Contamination.
Incompatible materials:
Strong bases.
Amines (uncontrolled reaction).
Oxidizing agents.
Hazardous decomposition products:
Carbon oxides (CO.
CO₂).
Organic acid vapors under high temperature.
Handling and Storage of ARADUR 450:
Handling:
Avoid skin and eye contact.
Ensure proper ventilation.
Storage:
Store in tightly closed containers in a cool, dry, well-ventilated area.
Temperature:
Recommended 15–30°C.
Precautions:
Protect from moisture to prevent hydrolysis and degradation.
First Aid Measures of ARADUR 450:
Inhalation:
Move to fresh air.
Seek medical attention if symptoms persist.
Skin:
Wash with soap and water.
Remove contaminated clothing.
Eyes:
Rinse with water for at least 15 minutes.
Seek medical attention.
Ingestion:
Seek immediate medical assistance.
Do not induce vomiting.
Firefighting Measures of ARADUR 450:
Extinguishing media:
Foam.
Dry chemical.
CO₂.
Water spray.
Hazards:
Toxic fumes may be released during combustion.
Protection:
Use self-contained breathing apparatus (SCBA).
Protective gear.
Accidental Release Measures of ARADUR 450:
Containment:
Use inert absorbent materials to contain spill.
Cleanup:
Collect in appropriate containers for disposal.
Environmental precautions:
Prevent entry into drains.
Waterways.
Exposure Controls / Personal Protective of ARADUR 450:
Ventilation:
Local exhaust ventilation recommended.
Respiratory:
Use respirator if necessary.
Gloves:
Chemical-resistant gloves (nitrile.
Neoprene).
Eye protection:
Safety goggles.
Face shield.
Clothing:
Protective clothing to avoid skin contact.
Identifiers of ARADUR 450:
CAS Number: Not publicly specified
EC Number: Not publicly specified
Molecular Formula: Not applicable
Molecular Weight: Not applicable
IUPAC Name: Not defined
Properties of ARADUR 450:
Physical State: Liquid
Appearance: Clear to light amber liquid
Odor: Mild characteristic odor
Density: ~1.10 – 1.18 g/cm³ (at 25°C)
Viscosity: Medium viscosity
Flash Point: >150°C (approximate)
Density: 1.01 g/cm³
Flash Point: 76.0°C
Flash Point: 76.0°C
Gel Time: 80.0 m
Viscosity: 700.0-2000.0 mPa.s
Viscosity: 700.0-2000.0 mPa.s
