GB/T 24328.12-2020
Tissue paper and tissue products—Part 12: Determination of optical properties—Determination of opacity—Diffuse reflectance method

Standard No.

GB/T 24328.12-2020

Language

Chinese

Release Date

2020

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Lastest

GB/T 24328.12-2020

Scope

This part of GB/T 24328 specifies the method for determining the opacity (paper backing) of toilet paper and its products by the diffuse reflectance method. This section applies to white or near-white toilet paper and its products, including toilet paper and its products containing fluorescent whitening agents. This section does not apply to colored toilet paper and its products containing fluorescent dyes or pigments.

GB/T 24328.12-2020 Referenced Document

• GB/T 450 Paper and board.Sampling for testing and identification of machine and cross direction,wire side and felt side
• GB/T 450-2008 Paper and board.Sampling for testing and identification of machine and cross direction,wire side and felt side
• ISO 186 Paper and board - Sampling to determine average quality

GB/T 24328.12-2020 history

• 2020 GB/T 24328.12-2020 Tissue paper and tissue products—Part 12: Determination of optical properties—Determination of opacity—Diffuse reflectance method

GB/T 24328.12-2020 -All Parts