Steel prices are too violent! It is like riding on a rocket, soaring to the sky, easily refreshing the new high price since 2008. At the same time, steel futures and the steel sector also rose sharply. It can be said that this wave of rise has exceed…
Boosted by the sharp rise in the black series on Friday night, steel prices in various regions followed up yesterday, and many places recorded a rise of 100 yuan. Today, rebar futures fell after rushing higher, but remained at a high level as a whole…
What is a thermal insulation board by foaming agent for clc ? Chemically foamed external wall insulation board is a new type of energy-saving insulation material that expands cement paste through chemical reaction and has airtight and uniform pores i…
Concrete is an indispensable raw material in the construction of construction projects. In the process of preparing concrete, in order to improve the performance of concrete, it is necessary to add water reducing agent after adding water, stone, sand…
A molybdenum rod with high melting points, high thermal conductivity, and low thermal expansion can be used in the production of high-temperature heating elements, electric vacuum systems, light source parts and electric vacuum pumps. Metal alloy C…
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…