Ndezvipi zvinhu zviri pa66 pom

Pa66 zvakare inonzi Nyoni 66; polyhexamhotylene adipamide, density 1.15g / cm3
Translucent kana opaque Milky White Crystalline Polymer ine Planticityity. Density ndeye 1.15g / cm3. Iyo yekunyungudika point ndeye 252 ° C. Tembiricha yembri ndeye -30 ℃. Iyo yekudziya yemadhimoni inodhonzwa yakakura kupfuura 350 ° C. Kuenderera mberi kupisa kudziya kwe80-120 ℃, kuenzana kwemvura kwemvura ye2,5%. Izvo zvinokonzeresa Acids, Alkalis, Mazhinji mamiriro ekunze emunyu, hydrocarbons, esters, kortones, etc., Iyo ine zvakanakisa kupfeka kupokana, kuzvisimbisa uye kwakakwirira michina simba. Asi iyo mvura yekunyora yakakura, saka kugadzikana kwematare kune murombo.
Pom, zvakare inozivikanwa seSaigang ~ Trane, Chirungu Zita: PolyoxyMethylene (Polyformaldehyde, density 1.42

PolyoxyMethlyer inayo yakaoma uye yakaomeswa uye yakajeka nzvimbo, inopenya, yeyakajeka yero kana chena, uye chikamu chakatetepa chidimbu chiri translucent. Hunhu hwunopisa zviri nyore kupisa, uye ramba uchipisa mushure mekusiya moto. Magumo ekumusoro emurazvo ndeye yero, uye magumo ebhuruu ari bhuruu, kunyungudika uye kudonha kunoitika, uye kune kutsamwisa kwakasimba formaldehdede shuwa uye hove shuwa. PolyoxymyThyle is a White poda, kazhinji opaque, ruzha rwechiratidzo, uye cravity shrinkage rate 1.2-3.0%, mamiriro ekunyima 170-200 Iyo nguva refu kupisa kupokana pom haina kukwirira, asi inogona kusvika 160 ° C mune pfupi-nguva. Iyo pfupi-yekupisa kupisa kwehomopolymeized pom inopfuura 10 ° C yakakwira kupfuura iyo yeCopolymeized POM, asi iyo Yakareba-Inodzivirira Copymerized Pom ndeye 10 ° C yakakwira kupfuura iyo yeiyo homopolymeized pom. Inogona kushandiswa kwenguva yakareba mune tembiricha yekudziya ye -40 ℃ ℃ ℃ ℃ ℃ ℃. POM inobhadharwa nyore nyore nyore, uye tembiricha yechidhori ndeye 240 degrees. Kutsamwisa uye kuora magasi kuchaitika panguva yekuora. Naizvozvo, simbi yechiumbwa inofanira kugadzirwa neakashata zvinhu.

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