asbestos rubber sheet(seal gasket)

asbestos rubber sheet,asbestos jointing sheet,seal gasket materials,compressed asbestos jointing sheet Material: Made of asbestos Fibre, rubber and heat-resisting packing material, compressing it to thick paper . Uses: Used for the equipment in water,steam,etc.and used as sealing material in the joints of pipeline Working pressure : 6 Mpa, Max working temperature: 450 Sizes: 4100 x 1500 x (0.5 6.0)mm, 2000 x 1500 x (0.5 6.0)mm, 1500 x 1360 x (0.5 6.0)mm, 3810 x 1270 x (0.5 6.0)mm 1270 x 1270 x (0.5 6.0)mm, 1500 x 1500 x (0.5 6.0)mm The other size is optional or according to the requirements of customers. Packing: in wooden pallet of about 1000 kgs, 2000kgs net each.Asbestos Rubber Sheets Physical PropertyGB/T539-1995ItemXB450XB400XB350XB300XB200XB150Tensile strength MPa≥19.015.012.09.06.05.0Aging Coefficient ≥0.9Burning Loss %≤283030Density g/cm³1.6 — 2.0Compressibility %12 ± 5Rebound degree454035Pliability No CrackStress-relaxation≤50Steam Airtightnesswith the temperature of 440-450°C and the pressure of 11-12MPa,Keep for 30 min without puncturewith the temperature of 390-400°C and the pressure of 8-9 MPa,Keep for 30 min without puncturewith the temperature of 340-350°C and the pressure of 7-8 Mpa,Keep for 30 min without puncturewith the temperature of 290-300°C and the pressure of 4-5 MPa,Keep for 30 min without puncturewith the temperature of 200-220°C and the pressure of 2-3 Mpa,Keep for 30 min without puncturewith the temperature of 140-150°C and the pressure of 1.5-2 MPa,Keep for 30 min without puncture