Dupont

CRASTIN - Thermoplastic polyester (PBT)resins
Crastin is Dupont’s trade name for thermoplastic polyesters based on polybutylene terephthalate (PBT).It fulfills the demands of various applications e.g. electronics, electrical, automotive, mechanical engineering, chemical and apparatus engineering, domestic appliances and sporting goods.

Characteristic properties of CRASTIN
Mechanical Properties:
Excellent stiffness and hardness.
Good toughness.
Good static and dynamic long term behaviour.
Physical properties:
Dimensional stability also at high temperature.
High heat deflection temperature.
Good heat ageing resistance.

Flame-retardant grades (V-O, according to UL 94)
Good friction and wear properties
Electrical Properties:
Excellent electrical insualting properties
Special grades with high arc resistance and a high comparative tracking index.
Effect of environmental exposure:
High chemical resistance.
Low risk of stress cracking.
Low influence of humidity on mechanical and electrical properties.

DELRIN - Acetal resins
Delrin the world’s first acetal resin, is highly versatile engineering plastic with metal like properties. Bridges the gap between metals and ordinary plastics. Widely used around the world in many applications, such as in automotive, appliances, construction, hardware, electronic and consumer goods industries

Characterstic properties of DELRIN
High tensile strength, impact resistance and stiffness.
Fatigue endurance unmatched by toher plastics.
Excellent resistance to moisture, gasoline, solvents etc.
Excellent dimensional stability.
Good electrical insulating charactersitcs.
Good resilience and good creep resistance.
Natural lubricity.

Wide end-use temperature range.
The main property limitations are repeated use in steam or hot water, and exposure to strong acids or bases outside the pH 4-9 range.

HYTREL* - Thermoplastic elastomer resins
It has Properties that qualify it for demanding applications.
Characterstic properties of HYTREL
Hytrel is an engineering thermoplastic elastomer that combines many of the most desirable characterstics of high-performance elastomers and flexible plastics.
It features exceptional toughness and resilience.
High resistance to creep,impact, and flex fatigue.
Flexibility at low temperatures and good retention of properties at elevated temperatures.
In addition, it resists deterioration from many industrial chemicals, oils and solvents

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