GB/T 43019.4-2025 Active National standards

GB/T 43019.4-2025 Determination of water vapour transmission rate for plastics film and sheeting—Part 4:Gas chromatographic method

Publish Date: 2025-10-05 Implement Date: 2026-05-01 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: GB/T 43019.4-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Basic standards and general methods for synthetic resins and plastics

ICS Name: Films and sheets

Publish Date: 2025-10-05

Implement Date: 2026-05-01

Pages: 16 pages

Scope

This document describes a method for determining the water vapor permeability of plastic films and sheets, as well as composite plastic films and sheets, using gas chromatography.
Note: This document provides a rapid method for measuring a wide range of water vapor permeability values.