UDonpipe 302 HCFC-141B Base Blend Pollols for Pipeline Insulation

Incazelo emfushane:

Lo mkhiqizo luhlobo lwe-blend polyols efakwe nge-HCFC-141B, ecwaningwe ngokukhethekile i-PUF eqinile ukukhiqiza amapayipi okufakwa okushisayo. Isetshenziswa kabanzi emapayipi okuthi, amapayipi e-liquefied gesi ahamba ngegesi, amapayipi kawoyela nezinye izinkambu.


Imininingwane Yomkhiqizo

Amathegi Omkhiqizo

UDonpipe 302 HCFC-141B Base Blend Pollols for Pipeline Insulation

Ukuqalisa

Lo mkhiqizo luhlobo lwe-blend polyols efakwe nge-HCFC-141B, ecwaningwe ngokukhethekile i-PUF eqinile ukukhiqiza amapayipi okufakwa okushisayo. Isetshenziswa kabanzi emapayipi okuthi, amapayipi e-liquefied gesi ahamba ngegesi, amapayipi kawoyela nezinye izinkambu. Izici zimi ngalendlela elandelayo:

(1) Ukugeleza okuhle, ngokulawula ifomula ukuze kuvumelane nama-maameter ahlukahlukene amapayipi.

(2) Ukuqina okuhle kakhulu kwezinga lokushisa

Impahla yenyama

Ukubonakala

Ophuzi okhanyayo ku-brown esobala

I-Hydroxyl value mgkoh / g

300-450

I-Viscosity Enamandla (25 ℃) MPA.S

200-500

Ubuningi (20 ℃) ​​g / ml

1.10-1.16

Ukushisa okushisa ℃

10-25

Isitoreji inyanga yokuqina

6

Ubuchwepheshe nokuvuselelwa kabusha(Ukushisa kwe-Contenent kungu-20 ℃, inani langempela lihlukahlukene ngokwesimo se-Pipe kanye nokwenza isimo.)

 

Ukuxuba okwenziwa ngesandla

Umshini Ophakeme Wengcindezelo

Isilinganiso (Pol / ISO)

1: 1.10-1.1.60

1: 1.10-1.60

Isikhathi sokuphakama s

20-40

15-35

Isikhathi se-gel

80-200

I-80-160

Isikhathi samahhala s

≥150

≥150

Mahhala3

25-40

24-38

Ukusebenza kwe-Foam

Isikhunta GB 6343 55-70kg / m3
Isilinganiso seseli esivaliwe GB 10799

≥90%

Ukuvuselelwa okushisayo (15 ℃) GB 3399

≤24mw / (mk)

Amandla okucindezela GB / T8813 ≥200kpa
Ukumuncwa kwamanzi GB 8810

≤3 (v / v)%

Ukuqina okungama-24h -30 ℃

GB / T8811

≤1.0%

24h 100 ℃

≤1.5%

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