The main characteristics of PVA fiber are high strength, high modulus, low elongation, abrasion resistance, acid and alkali resistance, good weather resistance. It is good affinity and bonding with cement, gypsum and other substrates. It is non-toxic…
In modern concrete, the commonly used superplasticizer admixture for concrete mainly include polycarboxylic acid series, naphthalene series, fatty acid series and other water reducers. Different water reducers have their own advantages and disadvanta…
NSP-2 molecularsieve is a sodium aluminate crystal with a developed 3-D pore structure, strong polarity and highly polarized. Because it has strong adsorption effects on water molecules, it's suitable for deep natural gases dehydration as well as CO2...…
A lead-acid battery (VRLA) is a battery whose electrodes are mainly made of lead and oxides, and the electrolyte is a sulfuric acid solution.…
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