T/SDPAA T/SDPAA0002.1-2023 Active Group standards

T/SDPAA T/SDPAA0002.1-2023 Unbleached Straw Biomass Chemical Mechanical Pulp - Part 1: Pulp Sheet

Publish Date: 2023-10-15 Implement Date: 2023-11-15 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/SDPAA T/SDPAA0002.1-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Light industry, culture, and daily necessities

ICS Name: \nPulp

Publish Date: 2023-10-15

Implement Date: 2023-11-15

Scope

Scope: This document specifies the raw material requirements, production process, pulping equipment, process requirements, and quality requirements for unbleached straw biochemical mechanical pulp; as well as testing methods, inspection rules, and labeling, packaging, transportation, and storage requirements. This document applies to the production process and quality requirements of unbleached straw biochemical mechanical pulp. Main technical content: Quality requirements shall comply with Table 1. Table 1: Quality requirements for unbleached straw biochemical mechanical pulp Indicator Name Unit Superior Grade Passed Grade Free Swell Volume 300 mL ≥ cm³/g 1.7 1.5 Tensile Strength ≥ N·m/g 40 35 Tear Strength ≥ mN·m2/g 2.5 1.8 Compression Strength ≥ N·m/g 4.5 4.0 Free Swell Volume 200 mL ≥ cm³/g 1.6 1.4 Tensile Strength ≥ N·m/g 45 40 Tear Strength ≥ mN·m2/g 2.0 1.8 Compression Strength ≥ N·m/g 5.0 4.5 Free Swell Volume 150 mL ≥ cm³/g 1.5 1.3 Tensile Strength ≥ N·m/g 50 45 Tear Strength ≥ mN·m2/g 2.4 1.8 Compression Strength ≥ N·m/g 4.8 4.3 Note 1: The sheet weight is 60.0 g/m2; Note 2: The initial free swell volume deviation is ±25 mL.