GB/T 6739-1986
Coating film hardness pencil test method (English Version)

Standard No.

GB/T 6739-1986

Language

Chinese, Available in English version

Release Date

1987

Published By

Professional Standard - Agriculture

Status

Be replaced 2007-06

Replace By

GB/T 6739-2006

GB/T 6739-1996

Latest

GB/T 6739-2022

GB/T 6739-1986 history

• 2022 GB/T 6739-2022 Paints and varnishes—Determination of film hardness by pencil test
• 2006 GB/T 6739-2006 Paints and varnishes-Determination of film hardness by pencil test
• 1987 GB/T 6739-1986 Coating film hardness pencil test method