China Donspray 504 HFC-245fa polyols turanga whakakotahitanga Manufacturer me te kaiwhakarato

Donspray 504 HFC-245fa polyols turanga whakakotahitanga

Whakaahuatanga Poto:

DonSpray504 Ko rehu polyols whakakotahitanga, pupuhi kaihoko ko 245fa hei utu o HCFC-141B, tauhohe reira ki isocyanate ki hua pahuka i e he mahi pai.

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Donspray 504 HFC-245fa polyols turanga whakakotahitanga

KUPU WHAKATAKI

DonSpray504 Ko rehu polyols whakakotahitanga, pupuhi kaihoko ko 245fa hei utu o HCFC-141B, tauhohe reira ki isocyanate ki hua pahuka i e he mahi pai, e te hunga e whai ake,

1) pai me te taurite ngā pūtau

2) iti kawe ia ngāwhā

3) resistance mura tino

4) pai iti-pāmahana pūmautanga ahu.

tano te reira ki momo katoa o te engineering mātao ngāwhā e whakamahi te hangarau rehu, pērā i ruma matao, pata, pipelines nui-tauine, me te hanganga metope etc.

āhuatanga ōkiko

Āhua	Koma kōwhai ki parauri wai Kaore
Hydroxyl Uara mgKOH / g	200-300
pokey Dynamic (25 ℃) mPa.S	100-200
mahara motuhake (20 ℃) g / ml	1.12-1.20
pāmahana Rokiroki ℃	10-25
marama Rokiroki pūmautanga	6

ōwehenga ĒRĀ

rauemi raw	pbw
DonSpray 504 polyols whakakotahitanga	100 g
Isocyanate MDI	100-105g

Āhuatanga tauhohenga (te pāmahana o te pūnaha, ko te 20 ℃, me te uara tangohia momo i runga i te tukatuka huru)

Te pata Time s	3-5
Rā Time s	6-10

mahi pahuka i

tūemi	-ngahuru Unit		Imperial Unit
rehu Kiato	GB 6343	≥35kg / m ³	ASTM D 1622	≥2.18 LB / ft3
Auau pūtau-Kati	GB 10799	≥90%	ASTM D 1940	≥90%
Te kawe ia Thermal Tuatahi (15 ℃)	GB 3399	≤24mW / (MK)	ASTM C 518	≥2.16 / inihi
Puai shock	GB / T8813	≥150kPa	ASTM D 1621	≥21.76PSI
Puai piripiri	GB / T16777	≥120kPa	ASTM D 1623	≥17.40PSI
Dimentional pūmautanga 24h -20 ℃	GB / T8811	≤1%	ASTM D 2126	≤1%
24h 70 ℃		≤1.5%		≤1.5%
Water ngotea	GB 8810	≤3%	ASTM E 96	≤3%
Fire Ātete	GB 8624	Class B2	D2863-13 ASTM	Class B2