Information about Casting Resins

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About Casting Resins

Casting resins are pourable plastics used to cast parts, make molds or form structures in place. Typically, casting resins are mixed with a hardener, catalyst or activator and then poured into the sprue of open molds. Some casting resins contain acrylic, polyimide, polyurea, and silicone adhesives. Others contain thermoplastic materials with trimellitic anhydride or thermosetting resins such as melamine. Casting resins are used in a variety of applications, including semiconductors; generators and motors; coils and transformers; and switches and circuit breakers.

Products & Services Related to Casting Resins

Conformal Coatings

Conformal coatings encapsulate circuit boards and their electronic components in order to prevent the ingress of moisture, fungus, dust and other environmental contaminants.

Epoxy Adhesives

Epoxy adhesives are chemical compounds for joining components. They require clean surfaces and are valued for their toughness and resistance to chemical and environmental damage.

Gel Elastomers

Gel elastomers are highly viscoelastic polymer gel materials that have excellent shock absorption and damping characteristics. They are available in a variety of material types and grades.

Pressure Sensitive Adhesives (PSA) and Contact Adhesives

Pressure sensitive adhesives (PSA) and contact adhesives adhere to most surfaces with very slight pressure. They are available in solvent and latex or water-based forms.

Silicone Adhesives and Sealants

Silicone adhesives and sealants have a high degree of flexibility and a very high temperature resistance (up to 600° F), but lack the strength of other epoxy or acrylic resins.

Thermoplastics and Thermoplastic Materials

Thermoplastics and thermoplastic materials soften when heated and harden when cooled. They can withstand many heating and cooling cycles and are often suitable for recycling.

Thermosets and Thermoset Materials

Thermosets and thermoset materials are crosslinked polymeric resins that are cured or set using heat or heat and pressure. They generally have a higher resistance to heat than thermoplastics.

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