China wholesale Quasi Mdi-Terminated System Mdi - Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam – INOV
China wholesale Quasi Mdi-Terminated System Mdi - 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:
In the past few years, our business absorbed and digested advanced technologies both equally at home and abroad. In the meantime, our company staffs a group of experts devoted to your advancement of China wholesale Quasi Mdi-Terminated System Mdi - Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam – INOV , The product will supply to all over the world, such as: California, Auckland, Czech Republic, By integrating manufacturing with foreign trade sectors, we can provide total customer solutions by guaranteeing the delivery of right products to the right place at the right time, which is supported by our abundant experiences, powerful production capability, consistent quality, diversified product portfolios and the control of the industry trend as well as our mature before and after sales services. We'd like to share our ideas with you and welcome your comments and questions.
By Zoe from Jamaica - 2017.08.28 16:02
Cooperate with you every time is very successful, very happy. Hope that we can have more cooperation!
By Bernice from Montpellier - 2018.09.21 11:01
