If the compatibility of polycarboxylate superplasticizer and cement is not good, the concrete mixture is prone to some problems, such as segregation, bleeding, greater slump loss, shorter setting time and so on, so that the concrete mixture can not b…
What is Manganese Dioxide? Manganese dioxide(an inorganic compound with the formula MnO is an example. It is utilized in paints as well as other industrial products. The effects it has upon the central nervous system and the lungs are being studied.…
Fuel prices in South Africa have seen their biggest drop in two years since midnight local time on September 6. According to the government's price adjustment plan, the price of 93 and 95 gas…