PP Compression Txiv neej Xov Luj Tshib Haum

Elastic Modulus

1. Lub elastic modulus ntawm pp yeeb nkab yog 850 MPa, thiab PE yeeb nkab belongs rau nruab nrab ntom polyethylene, thiab elastic modulus tsuas yog hais txog 550 MPa, uas muaj zoo yooj thiab tsis txaus rigidity. Siv hauv kev tsim cov dej hauv tsev, cov kav dej tsis ncaj, yooj yim rau khoov thiab deform, thiab nws tsis zoo nkauj.

2. Nws thermal conductivity yog 0.24, thiab thermal conductivity ntawm PE yeeb nkab yog 0.42, uas yog ze li ntawm ob zaug. Yog tias siv rau hauv pem teb cua sov, qhov no yog nws lub zog. Kev ua kom sov zoo txhais tau tias muaj cua sov zoo dua, tab sis siv nws rau cov kav dej kub yog nws qhov tsis zoo. Kev ua kom sov zoo ua rau cov cua sov poob loj, thiab qhov kub thiab txias ntawm lub raj kuj tseem siab, uas yog qhov yooj yim rau hlawv tes.

Solderability

Txawm hais tias pp yeeb nkab thiab PE yeeb nkab tuaj yeem ua tau kub-melt welded, lub qub yog yooj yim rau kev khiav lag luam, lub qub muaj flanging puag ncig, thaum lub PE yeeb nkab muaj qhov tsis sib xws flanging thiab yooj yim los thaiv; qhov vuam kub kuj txawv. Lub qub yog 260, thiab PE yeeb nkab yog 230. Siv lub qub vuam tshwj xeeb tshuab yog yooj yim rau overweld, ua rau dej to. Tsis tas li ntawd, vim tias cov khoom siv PE yeeb nkab yog ib qho yooj yim rau oxidize, cov cuab yeej tshwj xeeb yuav tsum tau muab tshem tawm ntawm daim tawv nqaij oxide ntawm qhov chaw ua ntej vuam, txwv tsis pub ua tiav cov kav dej tsis tuaj yeem tsim. , Lub raj xa dej yog yooj yim rau xau, thiab kev tsim kho muaj teeb meem ntau dua.

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