Njiri mara
DB 75 bụ mmiri mmiri okpomọkụ na ìhè stabilizer usoro e mere maka polyurethane
Ngwa
A na-eji DB 75 na polyurethane dị ka Reaction Injection Molding (RIM) polyurethane na thermoplastic polyurethane (TPU). A pụkwara iji ngwakọta ahụ mee ihe na mkpuchi mkpuchi na ngwa nrapado, na mkpuchi polyurethane na tapaulin na ala yana akpụkpọ anụ sịntetik.
Atụmatụ/uru
DB 75 na-egbochi nhazi, ọkụ na ihu igwe kpatara mmebi
nke ngwaahịa polyurethane dị ka akpụkpọ ụkwụ akpụkpọ ụkwụ, ngwá ọrụ na oghere ọnụ ụzọ, wiil ndị na-akwọ ụgbọ mmiri, mkpuchi windo, isi na ogwe aka.
Enwere ike itinye DB 75 ngwa ngwa na sistemu polyurethane aromatic ma ọ bụ aliphatic maka ịkpụzi thermoplastic, ụfụfụ ihe na-esighi ike, akpụkpọ anụ na-akpụ akpụ, ngwa dope. Enwere ike iji ya na ihe okike na pigmenti. DB 75 dabara adaba maka ịkwadebe pastes agba kwụsiri ike maka sistemụ ndị a kpọtụrụ aha n'elu.
Uru ndị ọzọ:
dị mfe ịgbapụta, mmiri mmiri na-agbapụta na-enye ohere njikwa uzuzu na-enweghị ihe ọ bụla, usoro onunu ogwu na mbelata oge ịgwakọta
ngwugwu mmiri niile; enweghị sedimentation nke mgbakwunye na polyol na-adọ ọbụna na obere okpomọkụ
na-eguzogide exudation / crystallization na ọtụtụ PUR usoro
Ụdị ngwaahịa Clear, ntakịrị mmiri mmiri edo edo
Ntuziaka maka ojiji
Ọkwa ojiji nke DB 75 dị n'etiti 0.2% na 1.5%, dabere na mkpụrụ na arụmọrụ chọrọ nke ngwa ikpeazụ:
Ọfụfụ ngwakọta akụkụ abụọ na-arụ ọrụ 0.6% - 1.5%
Adhesives 0.5% - 1.0%
Ihe mkpuchi 0.2% - 0.5%
Data arụmọrụ sara mbara nke DB 75 dị maka ọtụtụ ngwa.
Njirimara anụ ahụ
Ebe esi nri> 200 Celsius
Ebe ọkụ ọkụ> 90 Celsius
Njupụta (20 Celsius C) 0.95 - 1.0 g / ml
Solubility (20 Celsius C) g / 100 g ngwọta
acetone> 50
Benzene> 50
Chloroform> 50
Ethyl acetate> 50
ngwugwu:25kg / agba