GB/T 40442-2021 Active National standards

GB/T 40442-2021 Paper,board and pulps—Determination of weight factor in fibre furnish analysis

Publish Date: 2021-08-20 Implement Date: 2022-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 40442-2021

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Paper making

ICS Name: \nPulp

Publish Date: 2021-08-20

Implement Date: 2022-03-01

Pages: 8 pages

Scope

This document describes the methods of determining quality factors when analyzing the fiber composition of paper, cardboard, and pulp, including comparison methods and fiber coarseness methods.
This document is applicable to paper, cardboard, and pulp composed of pure fiber types.
Note: Pure fiber types refer to those in which the quality factors show significant differences, with the content of other fibers not exceeding 5%.