China Cheap price Solvent Resistance Curing System - Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam – INOV
China Cheap price Solvent Resistance Curing System - Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam – INOV Detail:
Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam
INTRODUCTION
Donfoam825 blend polyether polyol used in the manufacture of high flame retardant PIR block foam with HFC-365mfc/227 as foaming agent, products and isocyanate reaction by the formation of the foam has uniform foam cell , low thermal conductivity, thermal insulation performance is good, flame retardant performance is good, low temperature no shrinking crack etc. Widely used in the process of all kinds of insulation work such as: building external wall, cold storage, tanks, large pipes etc.
PHYSICAL PROPERTY
| Appearance |
Light yellow to brown transparent liquid |
| Dynamic viscosity（25℃） mPa.S |
300±100 |
| Density （20℃） g/ml |
1.20±0.1 |
| Storage temperature ℃ |
10-25 |
| Storage stability month |
6 |
RECOMMENDED RATIO
| Raw materials |
pbw |
| DK-1101 Blend Polyether Polyol |
100 |
| Isocyanate |
180±20 |
TECHNOLOGY AND REACTIVITY (the exact value varies depending on processing conditions)
|
Items |
Manual mixing |
High pressure machine |
| Raw material temperature ℃ |
20-25 |
20-25 |
| Mould temperature ℃ |
50-60 |
50-60 |
| Cream time s |
25-35 |
20-30 |
| Gel time s |
90.-130 |
70-100 |
| Tack free time s |
150-200 |
120-160 |
| Free density kg/m3 |
28-30 |
27-29 |
MACHINERY FOAM PERFORMANCES
| Overall Mold density | GB 6343 |
≥45kg/m3 |
| Molding Core Density |
≥40kg/m3 |
|
| Closed-cell Rate | GB 10799 | ≥90% |
| Initial Thermal Conductivity（15℃） | GB 3399 |
≤24mW/(m.K) |
| Compressive Strength | GB/T8813 |
≥150kPa |
| Dimentional Stability 24h -20℃
24h 70℃ |
GB/T8811 |
≤1% ≤1.5% |
| Water Absorption Rate | GB 8810 |
≤3% |
| Flammability | GB 8624 |
B1/B2/B3 |
| Closed-cell Rate | GB 10799 |
≥90% |
| Initial Thermal Conductivity（15℃） | GB 3399 |
≤24mW/(m.K) |
The data provided above are typical value, which are tested by our company. For our company’s products, the data included in the law do not have any constraints.
Product detail pictures:
Related Product Guide:
Excellent 1st,and Client Supreme is our guideline to deliver the ideal provider to our prospects.Nowadays, we have been seeking our best to become certainly one of the most effective exporters in our discipline to meet shoppers more require for China Cheap price Solvent Resistance Curing System - Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam – INOV , The product will supply to all over the world, such as: Surabaya, Peru, Norwegian, We are seeking the chances to meet all the friends from both at home and abroad for the win-win cooperation. We sincerely hope to have long-term cooperation with all of you on the bases of mutual benefit and common development.
By Mabel from Congo - 2017.04.28 15:45
The sales person is professional and responsible, warm and polite, we had a pleasant conversation and no language barriers on communication.
By Linda from Paris - 2017.04.08 14:55
