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Phenolics are the result of polymerization between layers of paper, canvas, linen, or glass cloth impregnated with synthetic thermosetting resins. This laminated material is a popular alternative to acrylic because of its high resistance to flexing. Phenolic G-10

Paper Reinforced Phenolic

is a paper-based laminate with low phenolic resin content. Laminates are used when electrical insulation values are the most important feature. Paper Reinforced Phenolic is most commonly hot punched for a variety of low voltage electrical applications. Paper Reinforced Phenolic is also the most cost effective industrial laminate.

Cloth Reinforced Phenolic

comes in two different fabric options; canvas and linen. Cloth Reinforced Phenolic is used in applications that require greater mechanical strength than paper laminate. Canvas has better mechanical strength; however, linen has a finer texture and is easier to machine.

Glass Reinforced Phenolic

(Also known as G-10 Glass Epoxy) is a light green material that combines a woven glass fabric and an epoxy resin laminate that contains bromine. Glass Reinforced Phenolic provides consistent quality and good electrical properties under dry and humid conditions, as well as high flexural, impact, and bond strength at room temperatures. Due to a high mechanical strength, low water absorption and superior electrical characteristics, this product is suitable for a variety of structural, high humidity, and electrical insulation applications, which include terminal boards, lapping carriers, and disc and microelectronics polishing. It will withstand temperatures up to 284F and has a moisture absorption rate of .15%.

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Looking for cut-to-size items off the shelf? Shop phenolic sheets & bars and rods from our distribution partner Fix Supply. Check out their Knowledge Center for additional information.

Types of Phenolic

Phenolics Glass Reinforced

Woven glass with resin (epoxy, melamine, polyimide, or silicone) variations are dependent upon the intended end-use application.

Phenolics Glass Reinforced
Phenolics Paper Reinforced

Paper with phenolic provides low cost electrical and mechanical properties well-suited for normal electrical applications requiring moderate mechanical strength.

Phenolics Paper Reinforced
Phenolics Cotton Canvas Reinforced

Cotton with phenolic provides more mechanical strength than paper grades. Medium weave cotton canvas C/CE phenolic is known primarily for it’s mechanical properties.

Phenolics Cotton Canvas Reinforced
Phenolics Cotton Linen Reinforced

Fine weave cotton linen and, like canvas phenolic, is known for it’s mechanical properties, although the finer weave allows better machinability than provided by the “C” and “CE” grades.

Phenolics Cotton Linen Reinforced
Phenolics Nylon Reinforced

Phenolic resin on a woven nylon fabric substrate offers good impact strength and excellent electrical properties under high humidity conditions.

Phenolics Nylon Reinforced

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