... needle punched felt: PTFE treatment, Calendar Material:P84 MembraneFMS High temperature-resistant needle punched feltWeight>800g/MaterialP84, FiberglassThickness2.2- ... -punched felt has many advantages such as heat-resisting, high strength and resistance to corrosion. After chemical treatment and ... cleaning, waterproof, antistatic and so on. And also different temperatures (e.g. 150-200°C,200-250°C,250- ...