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Industry prospects for PEEK materials
PEEK is a high-temperature-resistant, easy-to-process material, not only can be processed city all kinds of mechanical parts and high mechanical strength, is widely used in various industries, this material is both rigid and tough, and wear-resistant, good insulation, so many industries have adopted PEEK materials as a partial replacement for metal parts.
How do you determine if a product is bio-based?
Carbon-14 test is an international common method to distinguish biomass sources from petroleum fossil sources, according to American standard ASTM D6866, international standard ISO 16620, and European standard EN 16640, etc. The latest national standard "GB/T 39514-2020 Definition, Terminology and Labeling of Biobased Materials" also states that the test method for biobased carbon content is the carbon-14 method, which will be officially implemented from June 1, 2021. For architectural coatings, the newly released CSTM group standard "Bio-based Emulsion Interior Wall Coating" (T/CSTM 00447-2021) can be used as a reference for bio-based interior wall architectural coating products.
What are the factors affecting the gloss of water-based varnish?
The polymers selected in the film-forming resin in the formulation of water-based varnish have an important influence on the gloss of the finished product. In actual production, methyl methacrylate, butadiene, methyl acrylate, methyl acrylate, acrylic acid-β-hydroxyacrylic acid, acrylic acid, etc. Increase the amount of methyl methacrylate and butadiene, the coating hardness, good gloss, but brittle, folding resistance, poor resistance to dissolution.
Properties and applications of polyimide films
Polyimide film is a kind of high temperature resistant electrical insulation material, the color is yellow transparent, it is mainly divided into two types of homogeneous polyimide film and biphenyl type polyimide film, with outstanding high temperature resistance, radiation resistance, chemical corrosion resistance and electrical insulation properties, can be used in 250 ~ 280 ℃ air for a long time.
How to go about making polyimide film
Polyimide film is used almost exclusively in the electrical industry, with a small amount used for non-electrical applications in aviation, aerospace, nuclear industry and bioengineering. It is a film material with high temperature resistance (Class C or higher), deep cold resistance, high strength, high chemical resistance, non-flammable, non-softening (thermosetting), radiation resistance and superior performance. There has been a rapid development in recent years.
Polyimide films are used in the production of electronic products
Now is an electronic era, all the families and personal hands are also used to electronic products, but more must be noted that when the production of electronic products, there is a very complex process and requirements, especially a point is that in the production of electronic products also need to use to tape, and in the selection of tape above the very high requirements, and polyimide film has always played a very important role in the production of electronics.
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