China Donspray 504 HFC-245fa isi ngwakọta polyols Manufacturer na Supplier

Donspray 504 HFC-245fa isi ngwakọta polyols

Short Description:

DonSpray504 bụ ịgba ngwakọta polyols, ịfụ gị n'ụlọnga bụ 245fa kama HCFC-141B, ọ mkpatụ na isocyanate ka mepụtara ụfụfụ nke nwere magburu onwe arụmọrụ.

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Donspray 504 HFC-245fa isi ngwakọta polyols

OKWU

DonSpray504 bụ ịgba ngwakọta polyols, ịfụ gị n'ụlọnga bụ 245fa kama HCFC-141B, ọ mkpatụ na isocyanate ka mepụtara ụfụfụ nke nwere magburu onwe arụmọrụ, nke ndị dị ka ndị,

1) ezi na Ime Otu mkpụrụ ndụ

2) ala thermal conductivity

3) zuru okè ire ọkụ na-eguzogide

4) ọma ala-okpomọkụ akụkụ kwụsie ike.

Ọ na-emetụta ihe nile di iche iche nke kwes mkpuchi engineering nke na-eji ịgba technology, dị ka oyi na-atụ ụlọ, ite, nnukwu-ọnụ ọgụgụ pipelines na-ewu ụlọ metope wdg

nkịtị onwunwe

ọdịdị	Icha mmirimmiri edo edo ka aja aja viscous mmiri mmiri
Hydroxyl Uru mgKOH / g	200-300
Dynamic viscosity (25 ℃) mPa.S	100-200
Specific ndọda (20 ℃) g / ml	1.12-1.20
Nchekwa okpomọkụ ℃	10-25
Nchekwa kwụsie ike ọnwa	6

na-atụ aro ruru

Ngwaọrụ	pbw
DonSpray 504 ngwakọta polyols	100 g
Isocyanate MDI	100-105g

Reactivity Njirimara (The okpomọkụ nke usoro bụ 20 ℃, na kpọmkwem uru iche iche dabere na nhazi ọnọdụ)

Ude Time s	3-5
Jel Time s	6-10

ụfụfụ arụmọrụ

ihe	metric Unit		Imperial Unit
ịgba njupụta	GB 6343	≥35kg / m ³	ASTM D 1622	≥2.18 lb / ft3
Mechiri emechi-cell Rate	GB 10799	≥90%	ASTM D 1940	≥90%
Mbụ Kwes conductivity (15 ℃)	GB 3399	≤24mW / (Mak)	ASTM C 518	≥2.16 / inch
compressive Ike	GB / T8813	≥150kPa	ASTM D 1621	≥21.76PSI
nyagide Ike	GB / T16777	≥120kPa	ASTM D 1623	≥17.40PSI
Dimentional Kwụsie 24h -20 ℃	GB / T8811	≤1%	ASTM D 2126	≤1%
24h 70 ℃		≤1.5%		≤1.5%
Water Absorption	GB 8810	≤3%	ASTM E 96	≤3%
Fire-emegide	GB 8624	Class B2	ASTM D2863-13	Class B2