CAS No.: | 9003-11-6 |
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Molecular Principal Chain: | Carbon Chain Polymer |
Color: | Light Yellow |
Samples: |
Contact us to confirm specifications before order.
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Shipping Cost:
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Payment Method: | |
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Initial Payment Full Payment |
Currency: | US$ |
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Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Spray PU Foam Raw Material Hfc-Blown Polyol for PU Insulation Class B2
DIMONDS® S1804/B2 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 |
Items | Metric Unit | Imperial Unit | ||
Spray Density | GB/T6343-2009 | ≥35kg/m3 | ASTM D 1622 | ≥2.15lb/ft3 |
Compressive Strength | GB/T8813-2008 | ≥130KPa | ASTM D 1621 | ≥18.85PSI |
Factor(Initial R Value)
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GB/T10295-2008 | ≤24mW/(m.K) | ASTM C 518 | ≥6.0/inch |
Closed-cell Rate | GB/T10799-2008 | ≥90% | ASTM D 1940 | ≥90% |
Dimensional Stability -20ºC*24h 70ºC*90%RH*24h |
GB 8811-2008 | 0.10% | ASTM D 2126-09 | 0.10% |
0.29% | 0.29% | |||
Water Absorption | GB/T 8810-2005 | ≤3% | ASTM 209-12 | ≤0.03g/cm3 |
Fire Resistance | GB/T 2406-1993 | ≥26.0% | ASTM E84 | Class B |
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.
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