Standard No.:	GB/T 1728-1979
English Name:	Methods of test for drying time of coatings of paints and putties
Chinese Name:	漆膜,腻子膜干燥时间测定法
Chinese Classification:	G50    Basic standard and general method for coating
Professional Classification:	GB    National Standard
Issued by:	National Standards Bureau
Issued on:	1979-09-15
Implemented on:	1980-1-1
Status:	superseded
Superseded by:	GB/T 1728-2020 Determination of flexibility of coating and putty films
Superseded on:	2021-10-1
Language:	English
File Format:	PDF
Word Count:	1000 words
Price(USD):	70.00
Delivery:	via email in 1 business day

This standard is applicable to the test for drying time of coatings of paints and putties. Under specified drying conditions, the coating formation time on the surface layer is surface drying time and the whole formation time of solid coating is actual drying time, expressed in hour or minute.



I. General Requirements

I. General Requirements
1. Materials and Instruments
II. Methods of Test
2. Methods of Test for Surface Drying Time
3. Methods of Test for Actual Drying Time