Automobile exhaust gas ducting

Problem: the ducting leading from the exhaust pipe to the pollution testing machine has to withstand high temperatures. It also has to be flame retardant and weldable.

Solution: a HT Polyester basecloth gives good mechanical strength. A specially formulated Polyurethane coating gives high temperature resistance up to +180°C (+356°F). The flame retardency is M1: it is weldable by hot air and high frequency. The fabric is supple even at very high temperatures with good resistance to hydrolysis, ammonia, diesel and ASTM oil.

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