Special masterbatch for admixture --- JW calcium sulphoaluminate CAS
JW calcium sulphoaluminate CAS powder (block) is a new intermediate product developed by our company in the building materials industry with the strong support of relevant experts from the National Institute of Building Materials. It can not only be used to produce special cement, but also use its early strength, early setting, micro expansion, low alkalinity, no shrinkage and other special properties, can produce various types of high-quality grouting material, repair material, anchoring agent, expansion agent and configuration waterproof, plugging, early strength and other special engineering materials.
1. chemical composition:
|Loss on ignition||AL2O3||Fe2O3||CaO||MgO||TiO2||SiO2||SO3|
2. physical properties:
Specific surface area: more than 400 m2/kg
Setting time: initial setting 8~20min, final setting 15~40min
|Compressive strength (MPa)||Bend strength (MPa)|
|≥ 50.0||≥ 70.0||≥ 6.5||≥ 8.0|
Scope of application:
Airport runway and highway rapid repair, three hours to reach the normal use of standards.
Bridge and road expansion joint repair, steel pavement hole and local repair.
Rapid fixing of telegraph poles and other wooden piles, 1. secondary grouting of mechanical equipment base, etc.
Other civil engineering requirements for early setting and early strength can be met.
Fast hardening cement, tile adhesive, fast hardening mortar, self leveling. High-speed rail grouting material, our company's products have been successfully applied to (Wuhan-Guangzhou, Beijing-Tianjin, Beijing-Shanghai) high-speed rail, etc.
Use methods and precautions:
Products in the preparation process, must be in accordance with the factory quality test sheet or re-testing before use.
Packaging and storage:
Packed in a moisture-proof plastic woven bag or ton bag with a lining.
The net weight of each bag is 50kg or 1000kg per ton.
Sealed storage in a dry environment, shelf life of 45 days, open the bag after a use.