Donpipe 302 HCFC-141b msingi mchanganyiko polyols kwa insulation bomba
Donpipe 302 HCFC-141b msingi mchanganyiko polyols kwa insulation bomba
UTANGULIZI
Bidhaa hii ni aina ya polyols mchanganyiko premixed na HCFC-141B, ambayo ni hasa utafiti kwa PUF rigid kuzalisha mabomba mafuta insulation. Ni sana kutumika katika mabomba ya mvuke, kimiminika asili gesi bomba mabomba, mabomba ya mafuta na maeneo mengine. tabia ni:
(1) nzuri flowability, kwa kusimamia utaratibu ili kukidhi kipenyo tofauti bomba.
(2) bora za joto dimensional utulivu
PROPERTY TABIA
Mwonekano |
Mwanga njano na maji kahawia uwazi |
Haidroksili thamani mgKOH / g |
300-450 |
Dynamic mnato (25 ℃) mPa.S |
200-500 |
Density (20 ℃) g / ml |
1.10-1.16 |
Uhifadhi joto ℃ |
10-25 |
Uhifadhi utulivu mwezi |
6 |
TECHNOLOGY na reactivity (Kipengele joto ni 20 ℃, thamani halisi ni mbalimbali kulingana na kipenyo bomba na usindikaji hali hiyo.)
|
mwongozo kuchanganya |
Shinikizo mashine |
Uwiano (POL / ISO) |
1: 1.10-1.1.60 |
1: 1.10-1.60 |
Kupanda wakati s |
20-40 |
15-35 |
Gel wakati s |
80-200 |
80-160 |
Tack bure wakati s |
≥150 |
≥150 |
Free msongamano kg / m 3 |
25-40 |
24-38 |
FOAM maonyesho
mold wiani | GB 6343 | 55-70kg / m 3 |
kiwango imefungwa kiini | GB 10799 |
≥90% |
Mafuta conductivity (15 ℃) | GB 3399 |
≤24mW / (MK) |
nguvu za kubana | GB / T8813 | ≥200kPa |
maji ngozi | GB 8810 |
≤3 (V / V)% |
Dimensional utulivu 24h -30 ℃ |
GB / T8811 |
≤1.0% |
24h 100 ℃ |
≤1.5% |
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