What is the typical line speed range for the impregnation production line of PTFE high-temperature fabric?
This article covers typical line speed range for PTFE high-temperature fabric impregnation production line. Typical speed: 2-15 m/min, stable operating range 3-8 m/min, thin fabrics/high-speed lines up to 10-15 m/min. Constraints from impregnation penetration: fabric must be fully saturated with PTFE emulsion into fiber bundle interiors — too high speed causes inadequate impregnation, resin starvation and dry fibers; emulsion viscosity, solids concentration, fabric weave density all reduce penetration rate, requiring slower speeds for thick/dense fabrics. Coating passes: multiple passes (2-6+) required for dense defect-free coating; first pass slower for anchoring, subsequent passes can be moderately increased.
