Chemical Properties: 1 electric insulation material. 2 Excellent electrical properties 3 Good low and high temperature resistance 4 heat-conductive, 5 Self lubricate with lowest co-efficient of friction,no oil lubrication& 8203; 6 acid and alkali resistance, Chemical resistant 7 non-inflammable,anti-aging etc.. Product Size: PTFE SHEET , Teflon sheet PTFE / teflon molded sheet square 1200kgs/case/0.85cbm case size, 1070*1070*740mmm for 1000 square products