GOST 20870-2017
Rigid cellular plastics. Method for determination of the rate of passage of water vapour

Standard No.

GOST 20870-2017

Release Date

2017

Published By

RU-GOST R

Latest

GOST 20870-2017

GOST 20870-2017 Referenced Document

• GOST 12423-2013 Plastics. Standard atmospheres for conditioning and testing specimens*， 2023-12-23 Update
• GOST 25015-1981 Plastics celluar and foam rubber. Method for measuring linear dimensions
• GOST 25336-1982 Laboratory glassware and equipment. Basic parameters and dimensions
• GOST 29244-1991 Plastics. Small enclosures for coditioning and testing using aqueous solutions to maintain relative humidity at constant value
• GOST 4217-1977 Reagents. Potassium nitrate. Specifications
• GOST 4234-1977 Reagents. Potassium chloride. Specifications

GOST 20870-2017 history

• 2017 GOST 20870-2017 Rigid cellular plastics. Method for determination of the rate of passage of water vapour
• 1975 GOST 20870-1975 Rigid cellular plastics. Method for the determination of water - vapour permeability