... customize)ASTM 2240Temperature Range-60~260 CEn344Density0.6~0.9 g/cc (customize)ASTM D792Thermal Conductivity0.9 ... D5470Breakdown Voltage25 K VASTM D149 Note:0.6~0.9 g/cm3 = 0.0216~0.0325 Lb/in3 -60°C ... Round strip; Φ2,Φ3,Φ4,Φ5,Φ6,Φ7,Φ8,Φ10,Φ12,Φ14,Φ15,Φ16,Φ18,Φ20,Φ22,Φ ... 30,Φ50Square strip: 4*4, 6*6, 8*8,10*10,14*14,16*16,18*18,20 ... silicone sponge/foam strip Other shapes:“p” ,“e” shape can be customized