Two Component Raw Materials for Spray PU Foam Insulation Hfc-Blown Class B1
DmcSpray 1804 B1 is a two-components, spray-applied, closed-cell polyurethane foam system. This product is premixed with HFC-245fa or HFC-365mfc/227 as foaming agent.It applies to all kinds of spray-applied thermal insulation engineering, such as buildings exterior and interior, cold rooms, large-scale pipelines, containers etc..
Reaction properties (hand test)
Item | Unit | Specification |
Cream time | sec | 2-6 |
Gel time | sec | 8-20 |
Free rise density | kg/m3 | ≥28 |
Item | Unit | Specification | Test standard |
Core density | kg/m3 | ≥40 | ASTM D1622-08 |
Thermal conductivity, 20ºC | W/(m.k) | ≤0.023 | ASTM C518-10 |
Compressive strength | kPa | ≥150 | ASTM D1621-10 |
Closed cell content | % | ≥92 | ASTM D6226 |
Water absorb | % | ≤3 | ASTM C209-12 |
Thermal stability, -30-80ºC | % | ≤1.5 | ASTM D2126-09 |
Flammability | / | B1 | DIN 4102 |
The above testing data have been generated in lab or field conditions which are typical for this application. They are believed to be correct but data variations due to varying processing or ambient conditions can not be excluded. The customer remains responsible for making his own interpretation of data and suitability of the chemicals to his particular operation.
220kg/drum for Polyol and 250kg/drum for Isocyanate.