Acetal vs polima PTFE/FEP Machining

Awọn acetals ni a lo bi awọn ẹgbẹ aabo fun awọn ẹgbẹ carbonyl ni iṣelọpọ Organic nitori wọn jẹ iduroṣinṣin pẹlu ọwọ si hydrolysis nipasẹ awọn ipilẹ ati pẹlu ọwọ si ọpọlọpọ oxidizing ati idinku awọn aṣoju.Wọn le ṣe aabo fun carbonyl ninu moleku kan (nipa didaṣe fun igba diẹ pẹlu oti) tabi diol (nipa fesi fun igba diẹ pẹlu carbonyl).Iyẹn ni, boya carbonyl, tabi awọn ọti-lile, tabi awọn mejeeji le jẹ apakan ti moleku ti iṣẹ ṣiṣe rẹ ni lati ṣakoso.

PTFE ni awọn ohun-ini ẹrọ ti o wulo lati awọn iwọn otutu cryogenic ni 500 ° F (280 ° C) awọn iwọn otutu iṣẹ lemọlemọfún.Olusọdipúpọ rẹ ti ija jẹ kekere ju fere eyikeyi ohun elo miiran lọ.O tun ni ipele atẹgun giga.

Ifiwera ti Acetal ati Polymer PTFE/FEP Awọn iye Ohun-ini

Awọn ohun elo elo

Acetal:Bearings;Bushings;Electrical irinše;Gears;Rollers;Pump & valve parts.

Polymer PTFE/FEP: Awọn solusan cabling; Awọn bearings ti ko ni lubricated; Awọn oruka; Awọn edidi; Awọn agbara; iṣelọpọ Semiconductor; Awọn ẹya itanna otutu otutu; Awọn ohun elo gaasi; Awọn paati àtọwọdá.

Ohun elo Properties

Acetal: Gbigba ọrinrin kekere; Agbara ẹrọ ti o ga ati rigidity; ẹrọ; Idaabobo kemikali to dara; iduroṣinṣin iwọn to dara.

Polymer PTFE/FEP: Awọn ohun-ini dielectric ti o dara julọ; Inertness si awọn kemikali pupọ; Ooru giga ati resistance kemikali; Iṣeṣepọ kekere pupọ ti ija ija;