Product Specifications
Product Description
The"tianshan"cement product serise is produced according to advanced national and industry standards. It won the award of"national inspection-free product", "national building materials bureau quality products", "brand-name products in zhejiang"and it passed ISO9002 certification. Specifications are as follows: Grey portland cement for construction grade 42.5 according to British and en 197-1/2000 or ASTM c 150Chemical compositionSilicon dioxide (sio2) 20.08 - 21.50Aluminium oxide (a12o3) 5.30Ferric oxide (fe2o3) 3.25 3.50Calcium oxide (cao) 65.60Magnesium oxide (MGO) 1.70 3.00Sulphur trioxide (so3) 2.70 3.00Loss of ignition (loi) 1.80 3.00Insoluble residue % 0.1 0.7Tricalcium silicate (c3s) 50.00 54.40Dicalcium silicate (c2s) 14.2 18.20Tricalcium aluminate (c3a) 6.00 6.80Tricalcium alumino ferrice (c4af) 11.60Chromium (cr%) 2.0 maxPhysical and mechanical propertiesBlain cm2/gr 3.250Autoclave expantion 0.02Normal consistency % 27.5Initial setting time (vicat)(hours-mins) 3.25-4.50Hard set (hours-mins) 4.54 6.00Fitness index (cm2/gm) 2800-3040Compressive strength ISO/en 197-1/2000 bs 4550 mortar@ 03 days 2.65 34.2 kg/cm2@ 07 days 37.3 42.5 kg/cm2@ 28 days 52.8 54.6 kg/cm2British standard clinkerExamine item guaranteedCao 64%minSio2 20.0-23.0%Al2o3 4.0-5.5%Fe2o3 2.0-3.5%MGO 3.3-4.5%So3 1.0%maxLoss of ignition 1.5%maxF-cao 1.5%maxInsoluble residue 0.75%max(na2o+0.65k2o) 0.60%maxC3s 50-65%Packing: 50 kg in polypropylene bags then enclosed in jumbo pack ( 1.0mt or 2.00 mt ). Or bulk.
Tong Qing New & Construction Material Co., Ltd., is a direct manufacturer, supplier, and professional agent for various new construction material. We have been supplied high quality products such as floating brick\red brick\refractory brick\hollow brick\cement block\pavement brick\PVC floor board\PVC coiled material plate\XPS heated board\ceiling board\keel\gypsum board \bo-mei board\various cement\light ceramsite\ water-roofing agent\fiber \wire fence\wang mortar\metal netwith our best services and good results to worldwide customers. Our company fulfils wholesale and distribute. Company have establish overseas market and set profession website in order to market our brands.
Tong Qing New&Construction Material Co., Ltd., in order to facilitate the masses, the new and old customers, fulfills the management idea "the market is the guide, the customer is the goal, and customer satisfaction is our pursue"and serves the aim "quality first, warm service, take whatever your matter as our matter".
We warmly welcome worldwide friends for business negotiation and cooperation. We are sure that our future will be more resplendent with your cooperation and support.
