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Durable, PTFE coated precise forming mandrels are offered for manufacturing small diameter parts including extruded tubing and formed rubber bladders. The PTFE Natural™ Fluoropolymer Mandrels feature a uniform, non-flaking PTFE coating on stainless steel or nitinol wire. Providing an anti-stick surface that exhibits a 0.05 coefficient of friction per ASTM-1894, these mandrels withstand 550°F continuous temperatures with excursions up to 700°F.
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