Precast building wallboard is mainly composed of glass fiber reinforced cement board, external wall board, light strip board, extruded cement strip board, light steel keel composite wallboard, nano composite cavity board, metal composite wallboard, light steel keel light concrete grouting wallboard, light steel keel gypsum based mortar composite wallboard and other wallboards, which are divided into inner wallboard and outer wall board.

Certification services of Guangzhou General Testing Technology Service Co., Ltd.: French a + certification, green building materials certification, CE certification..

JG / t578-2021 technical requirements for precast building wallboard: test items: impact resistance of external wall panel and internal wall panel test method ≥ 5 times ≥ 3 times GB / t30100 compressive strength – external wall panel ≥ 30.0mpa – GB / t30100 compressive strength – light strip ≥ 5.0mpa ≥ 3.5mpagb/t30100 flexural strength ≥ 1.5 times self weight ≥ 1.5 times self weight GB / t30100 softening coefficient ≥ 0.8 ≥ 0.8gb/t30100 no water droplets appear on the back of impermeable plate – GB / t30100 moisture content ≤ 10.0% ≤ 10.0% GB / t30100 suction Water ratio ≤ 10.0% — GB / t30100 hanging force ≥ 1000N ≥ 1000ngb / t30100 drying shrinkage ≤ 0.5mm/m ≤ 0.5mm/mgb/t30100 measured value of heat transfer coefficient gb50176gb50189jgj26jgj75 measured value of air sound weight sound insulation value gb50118 measured value of combustion performance GB8624 measured value of fire resistance ≥ 1.0h, and meet the design requirements of ≥ 1.0h, It also meets the relevant standards of GB / t30100 radionuclide class A and gb6566 for the design of 50 freezing and thawing cycles of gb50016 frost resistance: GB / t36140-2018 technical requirements for precast glass fiber reinforced inorganic material composite insulation wall JC / t2505-2019 precast building precast concrete floor JC / t2504-2019 precast building precast concrete sandwich insulation wall panel JG / t570-2019 precast aluminum alloy low rise house and mobile house building materials products of Guangzhou General Testing Technology Service Co., Ltd Testing services: ceramic brick, stone, cement fiber board, calcium silicate board, WPC floor, man-made board, aluminum-plastic board, raised floor, light partition board, gypsum board, light steel keel, ceiling, building glass, door and window hardware, SPC floor, wood floor, PVC floor, thermal insulation and heat insulation materials, functional materials…

Rebar Support Chair