On December 19, 2023, the trading volume of the industrial group company 3M (MMM) was US$280 million, ranking 271st among US stocks that day. The trading volume decreased by 12.76% compared with yesterday, and the trading volume on that day was 2.634…
In construction, concrete is a widely used building material, and its performance is crucial to the safety and durability of buildings. Concrete foaming agents, essential additives in concrete preparation, gradually attract people's attention. This a…
When installing doors and windows, how should the gaps between the opening and the window frame be dealt with? The door and window measuring tape and final production size will be 1-2cm smaller than the window to facilitate later installation and avo…
Amazing! The best building material for the industry. Cement foam board is widely used. Its superior performance can be seen in: Achieving good fire insulation performance Cement foam The board is classified as a non-combustible, inorganic t…
Concrete, an ordinary building material, has profound effects on our daily lives. Concrete is widely used for a variety of buildings and projects - from skyscrapers and bridges to roads and public facilities, to home improvement. Technically, it is d…
What is surfactant? Surfactants belong to a class that reduces surface tension. They can be adsorb on interfaces such as gas-liquids or liquids-liquids. By doing so, they change the properties and affect the stability, wettability of the interfaces.…
In the UK, more than 100 schools were closed because of the danger of collapse In the UK, many schools use Autoclaved aerated cement (RAAC). This is a concrete material that is lighter. In 2018, the roof and the buildings of a school in southeas…
The water-reducing agent should be used with concrete admixture, which will reflect the water reduction effect. Cement quality is therefore a direct factor of the effect of water-reducing agent. When dealing with different types of "problem" cements,…
Concrete is a modern material that uses a variety of chemical additives, each with their own unique characteristics. These additives play a vital role in enhancing the performance of concrete as well as ensuring its quality. Here are a few chemical a…
Graphene, a two-dimensional typical material, is widely used and highly sought by scientists and the industry. What exactly is a 2-dimensional material? Simple, two-dimensional material is a non-nanoscale material (1-100nm) where electrons are able t…
Boron has been a major name in the world of chemistry. There have been two Nobel Prizes in Chemistry for the work done on boron. There are a few heat-resistant products on the market that have added boric acids to common glass. This means the glas…
What is tungsten Oxide?Tungsten dioxide has the molecular formula WO3 with a weight of 2318.5. It is a form of tungsticanhydride. Tungsten dioxide is not produced in industrial production. The tungsten-trioxide salts are classified according to thei…
Introduction to explosive compoundsExplosive compounds, attired metals (additionally referred to as explosive welding), were uncovered by a little blessing: in 1944, the American L.R. Carl, in an explosive explosion examination, unintentionally disco…
In terms of the adaptability of cement and concrete superplasticizer, the type and quality of concrete superplasticizer also play an important role. Therefore, concrete superplasticizers should be selected according to the adaptability to cement and…
Copper bars are available in many different sizes, shapes, and even a circular-shaped version. These non-ferrous bars can be used in many applications and are extremely conductive. Copper Roundbar Grin Grin Grin Grin Grin Surface Excellent electric…