PI (Polyimide) Powder, Rod, Sheet, CNC Design Products

Awọn polyamides thermosetting ni a mọ fun iduroṣinṣin igbona, resistance kemikali ti o dara, awọn ohun-ini ẹrọ ti o dara julọ, ati awọ osan/ofeefee ti iwa.Polyamides ti o ni idapọ pẹlu graphite tabi awọn imuduro okun gilasi ni awọn agbara iyipada ti o to 340 MPa (49,000 psi) ati moduli flexural ti 21,000 MPa (3,000,000 psi).Thermoses polima matrix polyamides ṣe afihan irako kekere pupọ ati agbara fifẹ giga.Awọn ohun-ini wọnyi jẹ itọju lakoko lilo lemọlemọ si awọn iwọn otutu ti o to 232 °C (450 °F) ati fun awọn irin-ajo kukuru, ti o ga to 704 °C (1,299 °F).[11]Awọn ẹya polyimide ti a ṣe ati awọn laminates ni aabo ooru to dara pupọ.Awọn iwọn otutu iṣẹ deede fun iru awọn ẹya ati awọn laminates wa lati cryogenic si awọn ti o kọja 260 °C (500 °F).Awọn polyamides tun jẹ inherently sooro si ina ijona ati ki o ko nigbagbogbo nilo lati wa ni idapo pelu ina retardants.Pupọ julọ gbe iwọn UL kan ti VTM-0.Awọn laminates Polyimide ni agbara iyipada ni idaji aye ni 249 °C (480 °F) ti awọn wakati 400.

Awọn ẹya ara polyimide ti o wọpọ ko ni ipa nipasẹ awọn olomi ti o wọpọ ati awọn epo – pẹlu hydrocarbons, esters, ethers, alcohols and ferns.Wọn tun koju awọn acids alailagbara ṣugbọn a ko ṣeduro fun lilo ninu awọn agbegbe ti o ni awọn alkalis tabi inorganic acids ninu.Diẹ ninu awọn polyamides, gẹgẹbi CP1 ati CORIN XLS, jẹ olomi-tiotuka ati ṣe afihan kedere opiti giga.Awọn ohun-ini solubility ṣe awin wọn si ọna sokiri ati awọn ohun elo imularada iwọn otutu kekere.