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, ụgbọ okporo ígwè, 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