Overview of the effects of additives on the properties of ordinary mortar
Ordinary mortar mainly includes masonry mortar, plastering mortar and ground mortar, which has the characteristics of large dosage and low cost. Traditional ordinary mortar is generally a mixture of c…
A brief overview of the development of polyurethane in my country
my country’s polyurethane industry started Beganin the late 1950s. In 1958, Dalian Dyestuff Factory began to study toluene diisocyanate. In 1962, it built a toluene diisocyanate production devic…
Overview of broken bridge aluminum insulation strips
Thermal insulation glue strips are worn strips The core component of the heat-insulating profile is the “broken bridge” on the heat transfer path in the aluminum profile, which reduces the…
Polyurethane Foam Overview
is composed of a large number of micropores and polyurethane resin hole wall meridians The porous polyurethane material is generally called “polyurethane foam“, called “polyurethane …
Development overview of polyurethane foam
Polyurethane foam can be traced back tothe 1940s. During World War II, researchers at Germany’s Bayer Laboratory used diisocyanate and polyols as raw materials to produce rigid foams, adhesives …
Overview of polyurethane elastomer
1. Performance Features Polyurethane elastomer is a high-performance elastomer, also known as polyurethane rubber. It is a type of polyurethane rubber that contains more urethane groups in the molecul…
Overview of two-component solvent-free polyurethane adhesive
Solvent-free polyurethane adhesive does not have solvent volatilization The problem is environmentally friendly adhesives, which is also a development direction of adhesives. Broadly speaking, two-com…
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[Beite Chemical] Overview of paraffin market situation in 2019
According to Zhuochuang Information: Domestic paraffin production has remained between 1.3 million and 1.42 million tons in the past five years, which is mainly affected by the construction of refiner…
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[White oil supply] Overview of the white oil market in the first quarter
Entering the first quarter of 2020, the white oil market price has plummeted to a low level. Since mid-February, the price has started to decline. Mainly affected by the outbreak of the epidemic, limi…
[K12 Supply and Sales] Overview of production methods of sodium lauryl sulfate
Sodium lauryl sulfate (K12) is white or light yellow powder or liquid with a slight grease smell. Easily soluble in water, it can reduce the surface tension of aqueous solutions and emulsify oils and …
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