Cas color gelling agent
Classification:
Detailed introduction
JW white (ultra-high strength) fast-hardening sulphoaluminate gelling agent is under the strong support of relevant leaders and industry colleagues of the National Building Materials Science Research Institute, under the technical guidance of domestic well-known experts such as Professor Su Muzhen, former vice president of the National Building Materials Institute, Professor Cui Qi, Dr. Li Qinghai, senior engineer Zhang Qiuying, etc, it is a high-tech product with the performance of sulphoaluminate gelling agent, pure aluminate gelling agent and white silicate gelling agent, which is independently developed by the company's technical personnel on the basis of summarizing and absorbing the performance indexes of fast-hardening sulphoaluminate gelling agent, pure aluminate gelling agent and white silicate gelling agent.
Technical performance:
Fineness: 0.080mm square hole sieve sieve residue does not exceed 15%.
Setting time: the initial setting is not earlier than 30min, and the final setting is not later than 8h.
After the test block is cured in air for 28d, the tensile strength is greater than 2.5MPa and the compressive strength is greater than 30MPa.
Acid stability: the test block has no change after boiling in 40% sulfuric acid for 1h, and the strength does not shrink.
Acid resistance: resistance to concentrated sulfuric acid is greater than 95%.
Chemical composition: silica> 93%,Fe2O3 <1%.
Use methods and precautions:
When using, stir the acid-resistant powder and hardener dry for more than 2min, then add 38.2% water glass while stirring and stir for more than 3 min until they are uniform before use.
The proportion of water glass used should be 1.38~1.45, modulus of 2.6~3.0.
When in use, the material temperature and operating equipment temperature should be controlled at 15 ℃ ~ 30 ℃.
The surface of the container made of reinforced concrete, brick or stone that needs lining shall be dry, clean and free of dirt. The plastering table that has not yet solidified shall be maintained in an environment with high humidity. It is strictly prohibited to dry and use water and dilute acid washing. After the lining is solidified, it shall be naturally maintained for more than 14d, or dried for 2d at a temperature of about 60~100 ℃ with drying equipment.
Under normal circumstances, water glass acid-resistant cement is not alkali-resistant, resistant to dilute sulfuric acid and water resistance is poor, should not be used for salt medium dry and wet alternating role of frequent parts.
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