Also known as Acetal, Polyacetal, and POM, is an engineering thermoplastic commonly used for precision parts that require high strength, hardness and rigidity. It is a tough material with a low coefficient of friction and high abrasion resistance. It has good electrical and dielectric properties, low water absorption and is FDA approved. Naturally white in color it does accept opaque colors well and can be polished to a shine. Delrin is typically difficult to bond but can be bonded with epoxies, polyurethanes and cyanoacrylates (superglue). It has good chemical resistance but is sensitive to mineral acids, chlorine, and alkaline degradation. Common uses include; pump parts, valve bodies, and bearings.

Standard Sizes: 3/32", 1/8", 5/32", 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8", 1-1/2", 1-3/4", 2"

 
Specific Gravity 1.42 g/cc Melting Point 352 F / 178 C
Hardness, Rockwell 120 Heat Deflection Temperature 250 F / 121 C
Tensile Strength 11,000 psi Water Absorption 24 hr .2%
Compressive Strength 16,000 psi Flammability UL94 HB
Flexural Strength 12,000 psi  


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