... Any length 3)Excellent mechanical strength silicone foam strip[Major Parameter] Tensile Strength:30 M paASTM D412Breaking Strength55 K n/mASTM D1458Elongation150 ... °C= -140°F ~500°F[Specification Available (mm)] Round strip; Φ2,Φ3,Φ4,Φ5,Φ6,Φ7,Φ8,Φ10,Φ12,Φ14 ... ,Φ15,Φ16,Φ18,Φ20,Φ22,Φ30,Φ50Square strip: 4*4, 6*6, 8*8,10*10,14 ... *14,16*16,18*18,20*20,25*25,30*30,40 ...