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Other Features Of PI (Polyimide)

SOLVER POLYIMIDE | Updated: Sep 15, 2014

The density of PI is 1.28-1.48g/cm3, with the imidization degree increasing, density will increase; when the containing side groups in the main chain, density will be smaller. PI has higher tensile, bending, compression strength, mechanical properties belonging to the middle and upper levels, the high modulus, especially at high modulus high is a prominent feature of its mechanical properties.

Creep resistant adhesive PI has excellent dimensional stability, which is very prominent.

The most prominent performance of PI is its heat resistance is high, the decomposition temperature of glass transition temperature, thermal performance have higher, and the continuous high temperature. Continuous working temperature is 250 ℃.

PI excellent electrical insulation properties, in a wide range of temperature dipole loss is quite small. It has the most excellent corona resistance, or is it because of two kinds of chemical reaction to generate Corona: oxidation active oxygen atoms decomposition; oxidation reaction of ozone, hydroxides are very resistant. PI belongs to the intermediate dielectric material.

PI has good stability for oils, organic solvents, dilute acid, but not resistant to strong oxidation with concentrated sulfuric acid and fuming nitric acid, also not alkali resistant type and superheated steam. Oxidative degradation occurred in the role of strong oxidants. Alkali and water vapor effect will make the PI imide ring opening and backbone fracture occurs, the resulting performance degradation.

Due to the large number of aromatic molecular chain of PI ring structure, which absorbs radiation ability is very strong, therefore has excellent radiation resistance, it can stand the neutron, electron, 7 rays, ultraviolet radiation, the radiation environment, the performance degradation is very limited.


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    SOLVER POLYIMIDE founded in 2010 November, is a professional and high-tech manufacturer of POLYIMIDE (PI) and its products with the name “GOLDEN PLASTIC”. SOLVER POLYIMIDE is one of the manufactures of Thermoplastic Polyimide, Thermosetting Polyimide, Polyimide Powder, Polyimide Pallet, Polyimide Liquid, Polyimide Profile, Polyimide Particle, Polyimide Monomer, Polyimide Foam , Polyimide Resin, Polyimide Coating, Polyimide Composite Material, Polyimide Liquid Crystal Alignment Agent and so on. thermoplastic polyimide factory, company, wholesale, buy, products. SOLVER POLYIMIDE’S polyimide is a kind of high performance engineering plastic. It not only has excellent thermal, mechanical, dielectric, dimensional stability, corrosion resistance and anti-radiation performance, but also has good machinability. It can be shaped through different methods such like molding, extrusion, injection molding and injection....
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