Technical specifications of asbestos cement sheets
Test item standard tolerance length (mm) <1200 + 31200 to 2440 + 5 = 2440 + 8 width (mm) = 1200 + 3 + 5 >1200 in thickness (mm) of <8 + 0.58 to 12 + 0.8 >20 + uneven thickness of less than 6 / 1 edge straightness /mm <1200 = 2 = 1200 = 3 edges the verticality / (mm/m) = 3 diagonal line difference density is less than or equal to 5 /mm (g/cm3) 1.6 - 2 absorption rate (%) less than 20 square meters of more than 2.5 KJ/ impact strength impermeability test according to GB GB8041, 24H bottom surface without water droplets appear frost resistance test according to GB GB8041, after 25 times of freezing thawing damage phenomenon no delamination sound insulation with 45dB (GBJ75-84) (GB6566-2001A) is not consistent with the standards of radioactive fuel According to the national standard GB5464-85 and GB8624-88 test, a class of building materials
Test item standard tolerance length (mm) <1200 + 31200 to 2440 + 5 = 2440 + 8 width (mm) = 1200 + 3 + 5 >1200 in thickness (mm) of <8 + 0.58 to 12 + 0.8 >20 + uneven thickness of less than 6 / 1 edge straightness /mm <1200 = 2 = 1200 = 3 edges the verticality / (mm/m) = 3 diagonal line difference density is less than or equal to 5 /mm (g/cm3) 1.6 - 2 absorption rate (%) less than 20 square meters of more than 2.5 KJ/ impact strength impermeability test according to GB GB8041, 24H bottom surface without water droplets appear frost resistance test according to GB GB8041, after 25 times of freezing thawing damage phenomenon no delamination sound insulation with 45dB (GBJ75-84) (GB6566-2001A) is not consistent with the standards of radioactive fuel According to the national standard GB5464-85 and GB8624-88 test, a class of building materials
Test item standard tolerance length (mm) <1200 + 31200 to 2440 + 5 = 2440 + 8 width (mm) = 1200 + 3 + 5 >1200 in thickness (mm) of <8 + 0.58 to 12 + 0.8 >20 + uneven thickness of less than 6 / 1 edge straightness /mm <1200 = 2 = 1200 = 3 edges the verticality / (mm/m) = 3 diagonal line difference density is less than or equal to 5 /mm (g/cm3) 1.6 - 2 absorption rate (%) less than 20 square meters of more than 2.5 KJ/ impact strength impermeability test according to GB GB8041, 24H bottom surface without water droplets appear frost resistance test according to GB GB8041, after 25 times of freezing thawing damage phenomenon no delamination sound insulation with 45dB (GBJ75-84) (GB6566-2001A) is not consistent with the standards of radioactive fuel According to the national standard GB5464-85 and GB8624-88 test, a class of building materials
