Powder accelerating agent concrete admixture for quick setting building cement

Model Number: XJ-JS-04s Brand Name: XJ Key Specifications/Special Features: Concrete fast setting agentApplication:It is widely used in highway, railway, subway, tunnels, coal mine, hydropower project and other sprayed concrete, also used in other concrete engineering (plugging, fast repair) that need rapid settingIndicators:Product with good adaptability to the cement, condense sclerosis is fast, the initial setting time is less than 3minutes, the final setting time is less than 8 minutes. 1 day compressive strength is 7Mpa. 28 days compressive strength ratio is not less than 75%, conform to the index requirements of “JC477-2005 accelerating agent for concrete ”Functions:the sprayed concrete strength loss is small, rebound rate is low, a jet thickness is high, it is helpful to improve the quality and durability of sprayed concrete engineering, has obvious technical and economic benefits

Usage and attention:
(1) Dosage 3-6%, usually is 5%, 6%.
(2) In the use of quick setting agent please pay attention to the adaption and freshness of the cement, ensure the dosage according to the environment and experience and keep the temperature between 5-35

1. Pay attention to the water cement ratioshould be 0.4-0.45. it shouldn't be too large, with no flowing eject, no spot, uniform color is appropriate
2. When using should strictly note protectionof the labor
   
   Packing and storage:
   Packaged with plastic bags with lining, stored in ventilated, dry and non-corrosive warehouse, avoid by damp and exposure
   
   Shelf life of the product is half a year, if more than deadline it can still be used after inspection qualified