GB/T 43019.7-2023 Active National standards

GB/T 43019.7-2023 Determination of water vapour transmission rate for plastics film and sheeting—Part 7:Calcium corrosion method

Publish Date: 2023-09-07 Implement Date: 2024-04-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 43019.7-2023

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: 2023-09-07

Implement Date: 2024-04-01

Pages: 13 pages

Scope

This document specifies a method for determining the water vapor permeability of plastic films and sheets, as well as composite plastic films and sheets, based on the principle of calcium corrosion caused by the reaction of calcium with water.
Note: This document is suitable for rapid testing of a wide range of water vapor permeability values.