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Hanland fitting on PP pipe installation method for you

by:XEX     2021-02-21
Hanland fitting on PP pipe installation method PP pipe fittings for you is a kind of semi crystalline material. It is more hard than PE and has a higher melting point. Due to the PP homopolymer type temperature above 0 ℃ above is very fragile, so many business of PP material is 1 ~ 4% or higher ratio of ethylene content in random copolymer of ethylene copolymer of pliers. The type of copolymer PP material with low heat distortion temperature ( 100℃) , low transparency and gloss, low rigidity, but there are have stronger impact strength. The strength of the PP increased with the increase of ethylene content increased. PP vicat softening temperature is 150 ℃. Due to the high crystallinity, the surface of the material stiffness and resistance to scratch characteristics very well. PP environmental stress cracking problems. Usually, by using glass fiber, metal additives or thermoplastic rubber method for modification of PP. Turnover of PP MFR range between 1 to 40. Low MFR PP material impact resistant properties is good but low tensile strength. For MFR of the same material, the strength of the copolymer type than homopolymer type. Due to the crystallization, PP shrinkage rate is quite high, generally to 1. 8 ~ 2. 5%. And the direction of the shrinkage rate uniformity than PE - Material such as HD is much better. Add 30% of glass additive can make the shrinkage rate drop to zero. 7%. Homopolymer and copolymer PP material has excellent resistance to moisture, acid and alkali corrosion resistance, resistance to dissolve. However, it is the aromatic hydrocarbon ( Such as benzene) Solvents, chlorinated hydrocarbons ( Carbon tetrachloride) Solvents, such as no resistance. PP don't like PE still have sex at high temperature. Polypropylene ( PP) Is in the common plastic lighter, its performance is excellent, can be applied as a high frequency insulation resistance to hot and humid. PP crystalline polymers, the melt condensation with the larger than the volume change, high degree of molecular orientation, which appear larger shrinkage ( 1. 0% - 1. 5%) 。 PP under the molten state, does little to reduce the viscosity of temperature rising. Therefore in the process of forming, should be given priority in order to improve the injection pressure and shear rate, in order to improve the forming quality of products. What are PP pipe installation method? Xin's sunni today chat with you about the PP pipe installation method. 1. Pipes, pipe fittings before bonding, use dry cloth to bell mouth and socket lateral wipe the handle, when the surface with oil pollution must use acetone to wipe clean. 2. Pipe section should level off, vertical tube axis and chamfering processing; Adhesive should draw before insert lines and try to plug, the depth of insertion depth can only be inserted into the original of 1/3 ~ 1/2, gap crossing is greater than bonding method is strictly prohibited. 3. When daub binder, should first daub socket inside, the daub after jack lateral, daub should be along the axial socket from inside to outside evenly daub appropriate amount, shall not leak or apply too much, 200g/m2) 。 4. Dope, daub appropriate exert force unchanged within 1 minute, keep the straight degree and location of the interface is correct. 5. Bonding is completed in a timely manner will squeeze out the extra dope rub-up, in curing time shall not force or load by force. 6. Construction of adhesive joints shall not be in the rain or water, not below 5 ℃. 7. The linker: ready to clean up the working face, try to brush glue, adhesive and curing. Xin er, is located in the large city in the middle of * * * * * * - Entrance of wuhan city west, hanchuan textile industrial park, is one of the professional manufacturer of ductile pipe fittings and spare parts. Company's main: hanland pipe fittings, ductile iron pipe fittings, ductile cast iron, ductile iron pipes in 2004, the company invested nearly ten million yuan has introduced new factories and new levels of domestic EPS a vacuum mold production line, has formed four thousand tons scale, can provide users with in accordance with ISO2531 standard brick and various types of DN100 - various interfaces DN800mm of more than 3000 kinds of products, can also according to customer's need to produce all kinds of non-standard pipe fittings and accessories, the company integrating scientific research, production and service, may at any time to provide technical advice and on-site service. Company has all kinds of advanced testing equipment, well-equipped, advanced technology, in strict accordance with ISO9002 instruction system and Swiss SGSIS9002 quality system of organizing production, the production of ball pipes pieces, with its high strength, good toughness, excellent characteristics of high pressure resistance, corrosion resistance, with the essence of the iron pipe steel tube performance, is a traditional cast iron pipe of updated products, widely used in water, gas and liquid gas pressure conveying, now is in most provinces, the city's urban water supply, gas supply engineering has the close relationship between supply and demand, well received by users. Company commitment: to the management idea of honest credible, with 'started in user requirements, and finally customer satisfaction' for the purpose of the production and operation, in order to realize the users, enterprises, social three sides the goal of mutual benefit welcome patrons! Keyword: hanland fitting article source: http://www. hbtszz。 com/
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