GB/T 24320-2021 (English Version) PDF

Scope: This document specifies the product classification, technical requirements, test methods, inspection rules and signs, packaging, transportation and storage of recycled fiber pulp. This document is applicable to all kinds of recycled fiber pulp. This document does not apply to recycled pulp.

GB/T 24320-2021 Referenced Document

GB/T 10739 Standard atmospheric conditions for handling and testing of paper, paperboard and pulp specimens*， 2023-12-28 Update
GB/T 1541 Paper and board.Determination of dirt
GB/T 20216 Pulp and paper.Determination of the effective residual ink concentration (ERIC number).Infrared reflectance measurement
GB/T 21557 Estimation of stickies in waste paper
GB/T 24323 Pulps.Laboratory sheets.Determination of physical properties
GB/T 24324 Pulps.Preparation of laboratory sheets for physical testing.Conventional sheet-former method
GB/T 24327 Pulps.Laboratory wet disintegration.Disintegration of chemical pulps
GB/T 24991 Paper,board and pulps-Determination of lead content- Graphite furnace atomic absorption spectrometry method
GB/T 24992 Paper,board and pulps.Determination of arsenic
GB/T 2828.1 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)
GB/T 29285 Pulps.Laboratory wet disintegration.Disintegration of mechanical pulps
GB/T 740 Pulps-Sampling for testing
GB/T 742 Fibrous raw material, pulp, paper and board—Determination of residue(ash) on ignition at 575℃ and 900℃
GB/T 7974 Paper,board and pulps.Measurement of diffuse blue reflectance factor.D65 brightness(Diff/ Geometry, Outdoor daylight conditions)