Donfoam 812 HCFC-141B base mix polyols maka ngọngọ ụfụfụ

Nkọwa dị mkpirikpi:

Donfoam 812 ngwakọta polyether polyols eji emepụta PUR ngọngọ ụfụfụ.The ụfụfụ nwere edo cell , ala thermal conductivity , thermal mkpuchi arụmọrụ dị mma, ire retardant arụmọrụ dị mma, ala okpomọkụ ọ dịghị shrinking mgbape wdg.

A na-eji ya eme ihe n'usoro nke ọrụ mkpuchi dị iche iche dị ka: mgbidi dị n'èzí, nchekwa oyi, tankị, nnukwu ọkpọkọ wdg.


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Mkpado ngwaahịa

Donfoam 812 HCFC-141B base mix polyols maka ngọngọ ụfụfụ

Okwu mmalite

Donfoam 812 ngwakọta polyether polyols eji emepụta PUR ngọngọ ụfụfụ.The ụfụfụ nwere edo cell , ala thermal conductivity , thermal mkpuchi arụmọrụ dị mma, ire retardant arụmọrụ dị mma, ala okpomọkụ ọ dịghị shrinking mgbape wdg.

A na-eji ya eme ihe n'usoro nke ọrụ mkpuchi dị iche iche dị ka: mgbidi dị n'èzí, nchekwa oyi, tankị, nnukwu ọkpọkọ wdg.

ALA nke anụ ahụ

Ọdịdị

Viscosity dị ike (25 ℃) mPa.S

Njupụta (20 ℃) ​​g/ml

Ọnọdụ nchekwa ℃

Nchekwa nkwụsi ike ọnwa

Mmiri mmiri na-egbuke egbuke na-acha odo odo na agba aja aja

250±50

1.17± 0.1

10-25

6

RATIO akwadoro

Ihe

PBW

Gwakọta Polyether Polyol

Isocyanate

100

130

Nkà na ụzụ na imeghachi omume(ọnụahịa ziri ezi dịgasị iche dabere na ọnọdụ nhazi)

 

Ngwakọta akwụkwọ ntuziaka

Okpomọkụ ihe akụrụngwa ℃

Igwe ọkụ ℃

CT s

GT s

TFT s

Njupụta efu kg/m3

20-25

Okpomọkụ gburugburu (15-45 ℃)

35-60

140-180

240-260

26-28

ỌRỤ Ụfụ

Ihe

Nlele ọkọlọtọ

Nkọwapụta

Njupụta ịkpụzi mkpokọta

Njupụta Isi Nhazi

GB 6343

40-45kg/m3

38-42kg/m

Ọnụego cell mechiri emechi

GB 10799

≥90%

Nrụpụta ọkụ nke izizi (15 ℃)

GB 3399

≤24mW/(mK)

Ike mkpakọ

GB/T8813

≥150kPa

Nkwụsi ike akụkụ

24h -20 ℃

RH90 70 ℃

GB/T8811

≤1%

≤1.5%

Ọnụego mmịpụta mmiri

GB 8810

≤3%

Ịkụ ọkụ

ASTM E84

Klas A


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