PPR Yeeb Nkab Socket

Daim ntawv thov

Lub qhov (socket) ntawm cov yeeb nkab PPR yog cov yeeb nkab feem ntau siv thaum txuas cov yeeb nkab PPR. Thaum ob lub kav dej yuav tsum tau txuas rau hauv txoj kab ncaj nraim, lub qhov (socket) ntawm PPR yeeb nkab feem ntau siv. Qhov no tuaj yeem daws qhov teeb meem uas cov yeeb nkab tsis ntev txaus.

Nta

1. Tsis yog - lom thiab tu cev.

Cov khoom siv raw khoom molecules ntawm PP-R tsuas yog cov pa roj carbon thiab hydrogen, thiab tsis muaj teeb meem thiab tshuaj lom. Nws yog tu cev thiab txhim khu kev qha. Nws tsis yog tsuas yog siv hauv cov kav dej kub thiab dej txias, tab sis kuj tseem siv hauv cov dej ntshiab huv.

2. Kev txuag hluav taws xob thiab txuag hluav taws xob.

Lub thermal conductivity ntawm PP{{0}}R yeeb nkab yog 0.21w / mk, uas tsuas yog 1/200 ntawm cov yeeb nkab steel.

3. Zoo tiv thaiv tshav kub.

Lub Vicat softening point ntawm PP -R yeeb nkab yog 131.5 degree . Qhov siab tshaj plaws ua haujlwm kub tuaj yeem ncav cuag 95 degree, uas tuaj yeem ua tau raws li qhov yuav tsum tau muaj ntawm cov dej kub hauv lub tsev dej thiab cov kav dej.

4. Lub neej ua haujlwm ntev.

Lub neej kev pab cuam ntawm PP{{0}}R yeeb nkab tuaj yeem ncav cuag ntau tshaj 50 xyoo nyob rau hauv qhov kev ua haujlwm kub ntawm 70 degree thiab ua haujlwm siab (PN) ntawm 1.0MPa; Kev pabcuam lub neej ntawm PPR yeeb nkab tuaj yeem ncav cuag ntau tshaj 100 xyoo ntawm qhov kub thiab txias (20 degree).

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