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Volume expansion can be used in many fields such as material production, silent blasting, etc.
2021-11-15 15:46:43
- Silent expansion agent (or static crushing agent, crushing agent) is a kind of off-white powdered chemical product, which is evenly mixed with ordinary clean water and poured into the borehole, using its hydration effect to produce huge expansion on the hole wall The work object will expand or break (after the mixture is poured into the borehole, it will continue to produce a strong expansion force of up to 30-120 MPa on the hole wall, while the tensile force of stone or concrete is only about 3-10 MPa. , So they can be easily cut or broken).
- The silent expansion agent has a wide range of uses, suitable for the mining and cutting of precious stones, the controlled removal of brittle objects such as concrete (reinforced concrete) structures, and the crushing of various types of rocks. For surrounding buildings or other structures that do not allow explosives to be used for blasting construction, this product is an ideal crushing and demolition construction product.
- Expansion agent materials are mainly used in material production, and the more common ones are concrete expansion agent and refractory expansion agent. In the hardening process of concrete and unshaped refractory materials, cracks are often caused by the shrinkage characteristics of the raw materials themselves. The expansion agent is used to introduce quantitative volume expansion, compensate the shrinkage value of the material itself, and prevent the material from shrinking and cracking, which affects its structure, function and appearance. In recent years, with the extensive research and development and use of composite materials, expandable materials have also received attention from various industries and are widely used in the production of materials.
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