Polyurethane tpu composite phone sets of materials dedicated TPU, 100% price concessions factory direct welcome field guidance guide! Monthly price can be negotiated.

Polyurethane tpu composite phone sets of materials dedicated TPU, 100% price concessions factory direct welcome field guidance guide! Monthly price can be negotiated.

Introduction:

TPU Chinese name: Thermoplastic polyurethane. Thermoplastic TPU elastomer , is containing NCO functional group of MDI and OH - containing functional POLYOL , 1.4BG , made by mixing and made, due to good elasticity , good physical properties , various The mechanical strength is excellent, therefore, widely used for injection, extrusion, rolling and dissolved into a solution-type resin and other processing methods for the plastic processing industry often use plastic materials, made of products covering industrial applications and livelihood necessities range. It has high strength, good toughness , abrasion resistance, cold resistance, oil resistance, water resistance, aging resistance and weather resistance. It has high water resistance and moisture permeability, windproof, cold, antibacterial, mildew and warm , Anti-ultraviolet and energy release and many other excellent features.

Advantage:

Hardness range: by changing the TPU reaction components of the ratio, you can get different hardness of the product, and with the increase in hardness, its products still maintain good flexibility and wear resistance.

High mechanical strength: TPU products carrying capacity, impact resistance and shock absorption performance.

Cold resistance highlights: TPU glass transition temperature is relatively low, at minus 35 degrees still maintain good flexibility, flexibility and other physical properties.

Good processing performance : TPU can be used in the processing of common thermoplastic materials processing , such as injection molding, extrusion, calendering , etc. At the same time, TPU and some polymer materials can be co- processing performance of complementary polymer alloy.

use:

TPU has been widely used: shoes, clothing, inflatable toys, water and underwater sports equipment, medical equipment, fitness equipment, car seat materials, umbrellas, suitcases, purses and so on.

TPU film in the application of a very wide range of shoes: soles and vamps on the trademark decoration, airbags, air cushions, oil bags, etc. Now, TPU film applications in sports shoes there are two trends:

Injection process

1 , injection molding machine to adjust the molding parameters (depending on the material molecular weight adjustment):

Barrel temperature: front 250 & mdash; 310 , middle 240 & mdash; 280 , rear 230 & mdash;

Nozzle temperature: 10 lower than the rear .

Mold temperature : 70 & mdash; 120 .

Injection pressure: 70 & mdash; 140MPa .

Screw speed: 30 & mdash; 120r / min .

Molding cycle: injection 1 & mdash; 25s , cooling 5 & ​​mdash; 40s .

Xiamen Branch yuan Plastic Co., Ltd. professional R & D production and sales of modified engineering plastics integration company, the company specializing in the production of modified engineering plastics, according to product performance requirements for your tailor-made to meet their own materials, all products can meet the international material testing Standards, can provide SGS ; UL; environmental protection and other related certification.

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