Silnylon, a portmanteau of "silicone" and "nylon", is a synthetic fabric used mainly in lightweight outdoor gear. It is made by impregnating a thin woven nylon fabric with liquid silicone from both sides. This makes it strong for its weight, as the silicone substantially improves the tear strength. It is also highly waterproof, but not breathable. Many colours are available.
Silnylon comes in several main types. The common type is a quiet, silky, very slippery fabric. The variant known as "crisp silnylon" is lighter, but brittle, noisy, and tears easily. Some versions are made from the stronger type 66 nylon and are used for parachutes, hot air balloons etc. Some use a blend of silicone and urethane which is done partly to reduce the air pollution during manufacture as it reduces the aromatic solvents used in the coating process.
- "Tips for Sewing Silnylon". Specialty Outdoors. Retrieved 2007-06-11.
- Roger Caffin. "Silicone vs Polyurethane vs Acrylic Proofing". aus.bushwalking FAQ. Retrieved 2007-06-11.
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