Chinese wholesale Thermoplastic Polyurethane Series - Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam – INOV
Chinese wholesale Thermoplastic Polyurethane Series - 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:
Our firm promises all consumers with the first-class products as well as most satisfying post-sale services. We warmly welcome our regular and new consumers to join us for Chinese wholesale Thermoplastic Polyurethane Series - Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam – INOV , The product will supply to all over the world, such as: El Salvador, Brazil, Montpellier, We now have been making our goods for more than 20 years . Mainly do wholesale , so we've the most competitive price , but highest quality. For the past years , we got very good feedbacks , not only because we offer good solutions , but also because of our good after-sale service . We are here waiting for yourself for your inquiry.
By Carey from Zurich - 2017.07.28 15:46
Product variety is complete, good quality and inexpensive, the delivery is fast and transport is security, very good, we are happy to cooperate with a reputable company!
By Gary from Juventus - 2018.02.08 16:45
