Safety glazing vacuuming glassfiber mesh Inside silicone vacuum bag PTFE high-temperature conveyor net belt Fiberglass fabric coated with PTFE is made up of high-capability fiberglass which has steeped into PTFE Peter Lin, cnc@cncGlass.com, cnc@cncEVA.com Whatsapp: 0086 15013829504, WeChat: WeCan365