China Donspray 504 HFC-245fa mimọ parapo polyols olupese ati Supplier

Donspray 504 HFC-245fa mimọ parapo polyols

Kukuru Apejuwe:

DonSpray504 ni sokiri parapo polyols, fifun oluranlowo jẹ 245fa dipo ti HCFC-141B, o reacts pẹlu isocyanate to èso foomu ti o ni o tayọ ṣe.

ọja Apejuwe

ọja Tags

Donspray 504 HFC-245fa mimọ parapo polyols

Ọrọ Iṣaaju

DonSpray504 ni sokiri parapo polyols, fifun oluranlowo jẹ 245fa dipo ti HCFC-141B, o reacts pẹlu isocyanate to èso foomu ti o ni o tayọ ṣe, eyi ti o wa bi wọnyi,

1) itanran ati uniformity ẹyin

2) kekere gbona iba ina elekitiriki

3) pipe ina resistance

4) ti o dara-kekere otutu onisẹpo iduroṣinṣin.

O kan si gbogbo iru awọn ti gbona idabobo ina- eyi ti o nlo awọn sokiri ọna ẹrọ, gẹgẹ bi awọn tutu yara, obe, ti o tobi-asekale pipelines ati ikole metope ati be be lo

Ti ara ini

irisi	Bia ofeefee to brown viscous omi
Hydroxyl Iye mgKOH / g	200-300
Ìmúdàgba iki (25 ℃) mPa.S	100-200
Specific walẹ (20 ℃) g / milimita	1.12-1.20
Ibi otutu ℃	10-25
Ibi iduroṣinṣin osù	6

niyanju ratio

aise ohun elo	pbw
DonSpray 504 parapo polyols	100 g
Isocyanate MDI	100-105g

Ifesi Abuda (The iwọn otutu ti awọn eto ni 20 ℃, ati awọn gangan iye orisirisi ti o da lori processing majemu)

Ipara Time s	3-5
Jeli Time s	6-10

foomu ṣe

awọn ohun	ọkọọkan Unit		Imperial Unit
sokiri iwuwo	GB 6343	≥35kg / m ³	ASTM D 1622	≥2.18 lb / ft3
Titi-cell Rate	GB 10799	≥90%	ASTM D 1940	≥90%
Ni ibẹrẹ gbona iba ina elekitiriki (15 ℃)	GB 3399	≤24mW / (Mak)	ASTM C 518	≥2.16 / inch
Compressive Okun	GB / T8813	≥150kPa	ASTM D 1621	≥21.76PSI
alemora Okun	GB / T16777	≥120kPa	ASTM D 1623	≥17.40PSI
Onígun iduroṣinṣin 24h -20 ℃	GB / T8811	≤1%	ASTM D 2126	≤1%
24h 70 ℃		≤1.5%		≤1.5%
omi Absorption	GB 8810	≤3%	ASTM E 96	≤3%
Fire resistance	GB 8624	kilasi B2	ASTM D2863-13	kilasi B2