... -GS0.12mm0.13mm0.14mmAppearance No alien material ,no split ,scar&hole ,no broken foldedLengthm500//1000/2000Thicknessmm0.12±0.0150.13±0 ... ,Subways ,Computer centers ,Aerospace units ,Telecommunication centers ,Ship ,Military facilities… Single Side Reinforce Calcined Muscovite tape with Fiber Cloth