SpecificationsHigh Quality Vermiculite Plate For Furnance 1.Non-toxic,non-asbestos 2.The fireproof grade is A 3.Heat and fire insulation Eco-friendly Fireproof Material Vermiculite Fire Board for Fireplace High Quality Vermiculite Board For Fireplace Fireproof Insulation Board Vermiculite Fire Board Dimension2400×1220mm,2100×900mm,1000×610mm, thickness(10-50mm)Bulk Density400-900(kg/m3)Packaging DetailsPallet, strong carton or wooden cases ApplicationsFire door, fireplace, decoration, electrolytic cell and so on Vermiculite boards are mainly made of expanded vermiculite and certain proportion of inorganic binderthrough the hot or cold pressing. It has the characteristics of high temperature resistant,fireproof, heatinsulation, sound-absorbing,free of harmful substances and environment friendly. Its’ non-combustible fire rating is A1 Grade. Vermiculite Panel Technical DateBulk density Kg/m3400500600700800900Maximum service temperature ℃100010001100110011001100Compressive strength Mpa0.81.11.52.02.53Total porosity %747067656260Liner reheat shrinkage24H@900℃ %43.532.52.251.9Thermal conductivityW/mk@200℃0.10.10.120.130.140.14 @400℃0.120.130.140.150.160.16 @600℃0.140.150.160.170.180.1