Information about Thermosets and Thermoset Materials

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About Thermosets and Thermoset Materials

Thermosets and thermoset materials are crosslinked polymers that are cured or set using heat or heat and pressure. Cured thermoset resins may soften when heated, but do not melt or flow. They generally have a higher resistance to heat than thermoplastics. Vulcanization is a thermosetting reaction that uses a crosslinked compound or catalyst. In rubber-like materials, vulcanization results in greatly increased strength, stability, and elasticity. Traditionally, sulfur is used as the vulcanizing agent for natural rubber. Thermosets and thermoset materials may contain filler materials such as powders or fibers to provide improved strength and/or stiffness. Fibers can be either chopped or wound, and commonly include glass, fiberglass, or cloth. Some products contain solid lubricant fillers such as graphite or molybdenum disulfide. Others contain aramid fibers, metal powders, or inorganic fillers with ceramics and silicates.

Products & Services Related to Thermosets and Thermoset Materials

Conductive Adhesives and Compounds

Conductive adhesives and compounds provide an electrically and/or thermally conductive path between components.

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.

Engineering Web: Thermosets and Thermoset Materials - Machine Design

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Types of Plastics \| Machine Design Thermosets Thermoset plastics are made quite differently from thermoplastics.
Machine Design \| varied class of compounds that are easier and greener to process than thermosets, are gaining acceptance in industries including automotive and
Latest Basics of Design Engineering Content Feed \| Machine... Phenolic molding materials - some times called the workhorse of the thermosets - are high-performance engineering plastics.

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