Tuam Tshoj Donfooam 812 HCFC-141B Lub Hauv Paus Kev Ua Npe Polyols Rau Thaiv Ua Npuas Ncauj Ua Npe Thiab Chaw Muag Khoom

DONFOAM 812 HCFC-141B PASTER ROV CAV COLYOLS RAU Block Ua Npuas Ncauj

Donfoob 812 HCFC-141B lub hauv paus nyem tshuab polyols rau thaiv ua npuas ncauj featured duab

Cov lus piav qhia luv luv:

Donfoam 812 muab cov polyols siv rau cov khoom siv PUR Block Npauj. Cov npaus muaj cov khoom siv hluav taws xob tsis zoo, thermal rwb thaiv tsev ua haujlwm yog qhov zoo, nplaim retardant kev ua tau zoo, tsis tshua sov tsis muaj ntsws tawg thiab lwm yam.

Dav siv nyob rau hauv cov txheej txheem ntawm txhua hom rwb thaiv tsev ua haujlwm xws li: phab ntsa sab nraud, cia khoom txias, kav dej loj thiab lwm yam.

Khoom Qhia Qhia

Khoom Ntawv

DONFOAM 812 HCFC-141B PASTER ROV CAV COLYOLS RAU Block Ua Npuas Ncauj

Lub hauv paus rau phau ntawv

Dav siv nyob rau hauv cov txheej txheem ntawm txhua hom rwb thaiv tsev ua haujlwm xws li: phab ntsa sab nraud, cia khoom txias, kav dej loj thiab lwm yam.

Cuab yeej

Kev tshwm sim

Dynamic viscosity (25 ℃) mpa.s

Ntom ntom (20 ℃) g / ml

Cia kub ℃

Kev ntim khoom ruaj khov lub hli

Lub teeb daj rau cov xim av pob tshab ua kua

250 ± 50

1.17 ± 0.1

10-25

Pom zoo piv

Cov khoom

Pbw

Blend Polyet Polyol

Isocyanate

100

130

Tshuab thiab Reactivity(Tus nqi tseeb txawv nyob ntawm kev ua cov kev mob)

Los Ntawm Txhais Tes Nws

Raw Khoom Siv Kub ℃

Pwm Kub ℃

CT s

Gt s

Tft S

Dawb ntom kg / m³

20-25

Ambient Kub (15-45 ℃)

35-60

140-180

240-260

26-28

Ua npuas ncauj ua yeeb yam

Yam	Kuaj Tus Qauv	Kev qhia tshwj xeeb
Zuag qhia tag nrho cov ntom ntom Moulding Core Dens	GB 6343	40-45kg / m³ 38-42kg / m
-Cell tus nqi	GB 10799	≥90%
Thawj zaug thermal conductivity (15 ℃)	GB 3399	≤24MW / (MK)
Compressive lub zog	GB / T8813	≥150kpa
Seem ruaj khov 24h -20 ℃ Rh90 70 ℃	GB / T8811	≤1% ≤1.5%
Dej nqus dej	GB 8810	≤3%
Paj frammability	ASTM E84	Chav Kawm A