Superplasticizer used in concrete refers to the fact that after mixing, it can reduce the water demand of concrete under the condition of maintaining basically the same fluidity, thereby improving the strength and durability of concrete, or under the…
S. Blackgray non metallic. This can be mixed with either concentrated sulfuric or chloroform. This product is 99.9% pure. There are three options: 100-200, 325, and 325 mesh. HTML3_ HTML3_ HTML3_ With this formula, HTML3_ HTML3_ can be made. Selenium…
Oil prices rose on July 29 after Opec and non-OPEC producers were expected to leave their September supply quotas unchanged at their monthly meeting in early August. Light crude for September…
Affected by the conflict between Russia and Ukraine, this year the European electrolytic aluminum production capacity is declining, as Russia this week stop running indefinitely "Nord stream no. 1" gas pipeline, electricity prices in Europe rose shar…