Manufacturer for Pu Binder For Bonding Scrap Foam - Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam – INOV
Manufacturer for Pu Binder For Bonding Scrap Foam - 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:
As a way to ideal meet up with client's desires, all of our operations are strictly performed in line with our motto "High Top quality, Competitive Cost, Fast Service" for Manufacturer for Pu Binder For Bonding Scrap Foam - Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam – INOV , The product will supply to all over the world, such as: Tunisia, Argentina, Netherlands, With the technology as the core, develop and produce high-quality products according to the diverse needs of the market. With this concept,the company will continue to develop products with high added values and continuously improve products,and will provide many customers with the best products and services!
It is really lucky to meet such a good supplier, this is our most satisfied cooperation, I think we will work again!





