The working principle and application of polyurethane

The working principle and application of polyurethane

The polyurethane raw material is an active elastomer material. After being subjected to stress, the shape change of the polyurethane lags behind the stress action time, thereby converting most of the scouring force generated by stress into internal energy and dissipating it in the form of thermal energy.

26

2023

/

06

Construction and storage methods for anti-corrosion steel pipes?

Construction and storage methods for anti-corrosion steel pipes?

(1) Before painting, the surface of the base iron must be treated to Sa2.5 level. During construction, it is strictly prohibited to bring water, dust, or oil stains to ensure the quality of the painting.

26

2023

/

06

What are the technical conditions of steel pipes for different purposes?

What are the technical conditions of steel pipes for different purposes?

Usually, different technical conditions should be proposed for the allowable deviation of steel pipe size, surface quality, chemical composition, mechanical properties, process performance, and other special properties based on the purpose and working conditions of the steel pipe.

26

2023

/

06

Introduction to Polyurethane Insulated Steel Pipe

Introduction to Polyurethane Insulated Steel Pipe

Polyurethane insulated steel pipes, also known as insulated direct buried pipes, are divided into outer polyethylene inner polyurethane insulated pipes, steel sleeve steel insulated pipes, outer iron sheet inner polyurethane insulated pipes. They are made of outer and inner polyurethane to provide insulation for the liquid conveyed by the steel pipes.

26

2023

/

06

What is the waterproof performance of polyurethane foam insulated steel pipes?

What is the waterproof performance of polyurethane foam insulated steel pipes?

Many people are unaware of the waterproof performance of polyurethane foam insulation pipes. Next, I will answer this question in detail for you.

26

2023

/

06

< 1...14151617 >