We are a professional manufacturer & exporter on the line of PTFE product and mechanical seals in China.if you have any purchase,please send to yongxinseal at live dot com.we shall supply lowest price high quality and best service for you. Size: 100*100mm~1500*1500mm, thickness: 3~70mm 2000*1000mm,thickness: 5~70mm details: 1) Material: 100% Virgin PTFE 2) Tensile strength: >15Mpa 3) Elongation at break:>200% 4) Density: 2.1-2.3g/cm3 5) Break down voltage: 10KV/mm 6) Temp resist: 260degree. Wooden box.