China Cheap price Solvent Resistance Curing System - Donspray 504 HFC-245fa base blend polyols – INOV
China Cheap price Solvent Resistance Curing System - Donspray 504 HFC-245fa base blend polyols – INOV Detail:
Donspray 504 HFC-245fa base blend polyols
INTRODUCTION
DonSpray504 is spray blend polyols, blowing agent is 245fa instead of HCFC-141B, it reacts with isocyanate to produce foam which has excellent performances, which are as follows,
1) fine and uniformity cells
2) low thermal conductivity
3) perfect flame resistance
4) good low-temperature dimensional stability.
It applies to all kinds of thermal insulation engineering which uses the spray technology, such as cold rooms, pots, large-scale pipelines and construction metope etc.
PHYSICAL PROPERTY
| Appearance |
Pale yellow to brown viscous liquid |
| Hydroxyl Value mgKOH/g |
200-300 |
| Dynamic viscosity（25℃） mPa.S |
100-200 |
| Specific gravity (20 ℃ ) g/ml |
1.12-1.20 |
| Storage temperature ℃ |
10-25 |
| Storage stability month |
6 |
RECOMMENDED RATIO
| Raw materials |
pbw |
| DonSpray 504 blend polyols |
100 g |
| Isocyanate MDI |
100-105g |
Reactivity Characteristics (The temperature of the system is 20℃,and the exact value varied depending on processing condition)
| Cream Time s |
3-5 |
|
Gel Time s |
6-10 |
FOAM PERFORMANCES
| Items |
Metric Unit |
Imperial Unit |
||
| Spray Density | GB 6343 | ≥35kg/m3 | ASTM D 1622 | ≥2.18 lb/ft3 |
| Closed-cell Rate | GB 10799 | ≥90% | ASTM D 1940 | ≥90% |
| Initial Thermal Conductivity（15℃） | GB 3399 | ≤24mW/(m.K) | ASTM C 518 | ≥2.16/inch |
| Compressive Strength | GB/T8813 | ≥150kPa | ASTM D 1621 | ≥21.76PSI |
| Adhesive Strength | GB/T16777 | ≥120kPa | ASTM D 1623 | ≥17.40PSI |
| Dimentional Stability 24h -20℃ | GB/T8811 | ≤1% | ASTM D 2126 | ≤1% |
| 24h 70℃ | ≤1.5% | ≤1.5% | ||
| Water Absorption | GB 8810 | ≤3% | ASTM E 96 | ≤3% |
| Fire Resistance | GB 8624 | Class B2 | ASTM D2863-13 | Class B2 |
PACKAGE
220kg/drum or 1000kg/IBC, 20,000kg/flexi tank or ISO Tank.
Product detail pictures:
Related Product Guide:
Bear "Customer first, High quality first" in mind, we perform closely with our consumers and provide them with efficient and experienced services for China Cheap price Solvent Resistance Curing System - Donspray 504 HFC-245fa base blend polyols – INOV , The product will supply to all over the world, such as: Cyprus, Iceland, Finland, Now, with the development of internet, and the trend of internationalization, we have decided to extend business to overseas market. With the propose of bringing more profits to oversea customers by providing directly abroad. So we have changed our mind, from home to abroad, hope to give our customers more profit, and looking forward to more chance to make business.
By Georgia from Netherlands - 2018.10.09 19:07
The accounts manager made a detailed introduction about the product, so that we have a comprehensive understanding of the product, and ultimately we decided to cooperate.
By Madge from Sydney - 2017.09.26 12:12
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