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| International Standard Category: Thermosetting materials |
GB/T 39821-2021 Plastics—Determination of apparent density of moulding material that cannot be poured from a specified funnel
塑料 不能从规定漏斗流出的模塑材料表观密度的测定 ;
| Category No.: | 83.080.10 | Valid Status: | valid |
| Issued Organization: | SAMR; SAC | Issued Date: | 2021-03-09 |
| Implemented Date: | 2021-10-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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