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What GRC is mainly composed of:

Release time:2019-04-17

Cement: cement commonly used in GRC mainly includes ordinary Portland cement, white Portland cement, fast hardening sulphoaluminate cement, low alkalinity sulphoaluminate cement.

Fiber: the fiber used in GRC materials must be alkali-resistant glass fiber, including alkali-resistant roving, alkali-resistant glass fiber short-cut yarn and alkali-resistant glass fiber mesh cloth. European and American countries require the content of zirconia in glass fiber used in GRC to be no less than 16.5%, while China requires the content of zirconia in ordinary Portland cement to be no less than 16.5%.

Polymer: usually added polymer is acrylic emulsion, namely acrylate copolymer emulsion.

Admixtures: usually can be selectively added high-efficiency water reducer, plasticizer, retarder, early strong agent, antifreeze, rust agent admixtures: when products containing steel reinforcement materials or steel embedded parts, can not use calcium chloride admixtures.

Other materials: some volcanic ash active materials can be selectively added to improve the comprehensive properties of GRC products, such as strength, anti-permeability and durability.

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