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GB/T 20673-2006 Active
GB/T 20673-2006 Cellular plastics—Determination of the coefficient of linear thermal expansion of rigid materials at sub-ambient temperatures
Abstract
This standard specifies the method for determining the linear expansion coefficient of rigid foam plastics below the ambient temperature. This standard is applicable to the determination of the "average" linear expansion coefficient of rigid foam plastics between a selected low temperature and the ambient temperature. The linear expansion coefficient values measured using this standard are only valid for the specific samples tested within the testing period. Rigid foam plastics are anisotropic, and the results obtained from tests in different directions are not comparable.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 20673-2006 |
| CCS | Synthetic resins and plastics |
| ICS | Foam material |
| Implement Date | 2007-02-01 |
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