三種pp管材中,，管材抗沖擊性能pp-r>;pp-b>;pp-h，管材熱變形溫度pp-h>;pp-b>;pp-r,，管材剛 性pp-h>;pp-b>;pp-r，管材常溫溫度pp-h>;pp-b和pp-r,，蚌埠pvc管業(yè)，管材耐化學(xué)腐蝕性pp-h>;pp-b和pp- r,。
among the three kinds of pp pipes,，pvc管業(yè)咨詢， the impact resistance pp-r >; pp-b >; pp-h,， the thermal deformation temperature pp-h >; pp-b >; pp-r,， the rigidity pp-h >; pp-b >; pp-r， the normal temperature pp-h >; pp-b&pp-r,，&the chemical corrosion resistance pp-h >; pp-b&pp-r.
ppr供水管材,，是一種以ppr為原料的，加工制作的供水管,。ppr原料具有健康,、衛(wèi)生、等的特點(diǎn),，是一種材料,。隨著社會(huì)的發(fā)展，pvc管業(yè)廠家,，人們對(duì)于環(huán)境保護(hù)的重視,，ppr原料已成為upvc給水管、鋁塑管,、pe管,、pex管、pert管的更新?lián)Q代產(chǎn)品,，一躍成為當(dāng)代家裝建材管道行業(yè)的---兒,。
ppr water supply pipe is a kind of water supply pipe made from ppr. ppr is a kind of environmental protection material with the characteristics of health， sanitation&environmental protection. with the development of society&peoples attention to environmental protection,， ppr raw material has become a new product of upvc water supply pipe,， aluminum plastic pipe， pe pipe,， pex pipe&pert pipe,，&has become a new favorite of the contemporary home decoration building materials pipeline industry.
ppr管施工后須經(jīng)試壓驗(yàn)收后方能封管和使用。ppr管安裝主要采用熱熔管件,，熔接時(shí)間和壓力不好掌握,，工藝隨機(jī)性較大，在熱熔推接過程中易產(chǎn)生堆料從而減小通徑,，并使熔接處成為不規(guī)則的缺陷區(qū),，產(chǎn)生應(yīng)力集中，影響ppr管價(jià)格的長(zhǎng)期性能；對(duì)于ppr管的電熔連接,，pvc管業(yè)電話,，由于電熔絲主要采用促進(jìn)ppr降解的銅，會(huì)加速ppr管的老化,。
ppr pipe can be sealed&used only after pressure test&acceptance.the ppr pipe is mainly installed with hot-melt pipe fittings. the welding time&pressure are not well mastered,，&the process is random. in the process of hot melt push welding， it is easy to generate stacking materials to reduce the diameter,，&make the fusion joint become an irregular defect area,， which produces stress concentration， which affects the long-term energy of price of ppr pipe; for the electric melting connection of ppr pipe,， the aging of ppr pipe will be accelerated because copper is mainly used to promote the degradation of ppr.
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