2026-06-25 : kuv
Fiberglass npuag thermal shrinkage yog thawj qhov ua rau PTFE daim kab xev seem tsis ruaj khov. Ntawm PTFE sintering kub (360-400 ° C), residual weaving stress yog tso tawm. Yog tias tsis muaj kev txwv, cov ntaub shrinks; Yog tias txwv tsis pub, kev ntxhov siab latent raug kaw, ua rau tom qab shrinkage thaum lub sij hawm kho (150-200 ° C) thiab siv cua sov kawg. Kev daws: siv pre-heat-set fiberglass nrog <0.5% shrinkage ntawm 400 ° C, tshem tawm cov residual kev nyuaj siab ua ntej txheej.
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