Ihe akụrụngwa bụ pa66 pom

October 20, 2022

A na-akpọkwa pa66 nylon 66; polyhexamethylene adipipamid, njupụta 1.15G / cm3
Translucent ma ọ bụ opaque milky na-acha ọcha polymen na plastity. Ijuanya bụ 1.15G / cm3. Ihe na-agbaze bụ 252 Celsius C. Ọnọdụ embrittlement bụ -30 ℃. Ọnọdụ mgbochi ikuku dị ukwuu karịa 350 Celsius. Na-aga n'ihu na-eguzogide nke 80-120 ℃, equilibrium mmiri na-adọta ọnụego 2.5%. Ọ na-eguzogide ọgwụ, alkalis, ọtụtụ ngwọta nnu na-edozi, Halogenated alkanes, hydrocarbons, mana ọ na-agbanye ya ngwa ngwa na-agbaze mkpụrụ osisi polar dịka phenol na forcid acid. Ọ nwere ndị na-eguzogide na-eyi eguzogide, - lubrication na ike ọrụ dị elu. Ma mmiri mmiri buru ibu, ya mere, akụkụ nguzosi ike adịghị mma.
Pom, nke a ma ama dị ka Saigang ~ Trane, Aha English: polyoxythylene (polyfoxymene (polyfordethylene (polyfordehyde, njupụta 1.42

PolyOxymethylene bụ ihe siri ike ma sie ike, nke dị larịị, dị mma, ìhè edo edo ma ọ bụ na-acha ọcha, ma dị mkpa nke mgbidi ahụ dị mkpa bụ translucent. Omume na-ere ọkụ dị mfe ọkụ, ma nọgide na-ọkụ ọkụ mgbe ị hapụsịrị ọkụ. Ngwunye dị elu nke ire ọkụ bụ odo, na njedebe ala bụ acha anụnụ anụnụ, na-agbaze na ndagide na-eme, yana enweghị isi na-acha odo odo na isi. Polyoxymethylene bụ ntụ ọcha, n'obe, ezigbo ya, ike grafti ike 170-90 ℃ ruo awa 2. Ogologo oge okpomoku nke pom adịghịkwa elu, mana ọ nwere ike iru 160 Celsius C na obere oge. Ọnọdụ okpomọkụ na-eguzogide nke mkpọchi okwute na-abụghị 10 dị elu karịa nke apịpymerized pom, mana ogologo oge a na-eguzogide ọgwụ na-eguzogide ọgwụ na-ekpo ọkụ karịa nke ụlọ ọrụ mkpọchi. Enwere ike iji ya ruo ogologo oge na ọnọdụ okpomọkụ nke -40 ℃ ~ 100 ℃. Pom na-adị mfe ịgbanwe, na ọnọdụ okpomọkụ bụ 240 ogo. Na-akpasu iwe ma gas corrosive ga-eme n'oge ịhazi. Ya mere, ekwesịrị iji ihe ndị na-eguzogide eguzogide eguzogide ya mee.

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