GB/T 22927-2008 Translated English of Chinese Standard. (GBT 22927-2008, GB/T22927-2008, GBT22927-2008): Respirator paperhttps://www.chinesestandard.net, 11 apr. 2020 - 11 sidor This Standard specifies product classification, requirements, test methods, inspection rules as well as marks, packaging, transportation and storage of respirator paper. This Standard is applicable to processing paper respirator paper. |
Innehåll
| 3 | |
Scope | 4 |
Product classification | 5 |
Test methods | 6 |
Marks packaging transportation storage | 8 |
Annex A normative Determination of air permeability of respirator paper | 9 |
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Ac AQL value acceptance number Acceptance quality limit according to GB/T air flow rate Air leakage air permeability Annex Appearance quality board and pulps brightness calibrate the air China constant speed drawing cumulative number delivery moisture Determination of tensile determine in arbitration determined according determined as nonconforming double sampling dustiness exceed fiber Figure A.1 Fluorescent substance hygienic Inspection rules kN/m Light Industry Longitudinal lot is determined measurement result meet the requirements method to determine nonconforming items found normative number of nonconforming order contract packaging Paper and board paper shall meet pressure difference pressure gauge Product classification product quality provisions quality limit AQL Quantitation Randomly Reel paper rejection number respirator paper responsible for handling roll sample holder sample size given sampling plan second sample Special inspection level specimen speed drawing method Standard flow plate storage strength is determined supplier surface area test area Test methods tightness transportation wet tensile strength