海洋之神8590cn(集团)公司-中国百科

Definition of viscosity: viscosity is a measure of fluid viscosity and a representation of fluid flow force on its internal friction phenomenon. The higher the viscosity, the higher the internal friction and the molecular weight....

Modified silane is a kind of product after polyurethane structure is introduced into silicone structure. It has the aging resistance of silicone, as well as excellent adhesion and strength of polyurethane...

Thixotropy definition: at a constant shear rate, the viscosity decreases with the increase of time, and after the shear stops, the phenomenon of viscosity recovery is called thixotropy...

Definition of hardness: refers to the material‘s resistance to external force, that is, the resistance of the material to the rigid object when it is pressed in. Its size reflects the hardness and softness of the material itself...

Definition of dielectric strength: it is defined as the limit voltage per unit thickness when the dielectric is broken down by the current. It is a measure of the electrical strength when the material is used as an insulator, expressed as volt per unit thick...

Definition of thermal conductivity: take two parallel planes with a distance of 1 meter and an area of 1 square meter perpendicular to the direction of thermal conductivity inside the object. If the temperature difference between the two planes is 1K, the h...

Definition of volume resistivity: refers to the ratio of DC voltage drop per unit thickness to current per unit area.

Salt spray test is a kind of environmental test that mainly uses the artificial simulated salt spray environmental conditions created by salt spray test equipment to assess the corrosion resistance of products or metal materials. It is divided into two categ...

The protection level adopts the IP ×× level standard recommended by the International Electrotechnical Commission (IEC), and the level is different in different installation sites. For details, please refer to the following instructions...

UV aging test is to use fluorescent UV lamp as the light source, through simulating the UV radiation and condensation in natural sunlight, to accelerate the weather resistance test of materials, so as to obtain the results of weather resistance of materi...

Polyvinyl chloride (PVC) is an initiator of vinyl chloride monomer (VCM) in peroxides, azo compounds, etc