GB/T 20503-2006

Active

Anodizing of aluminium and its alloys - Measurement of specular reflectance and specular gloss at angles of 20°,45°,60°or 85°

铝及铝合金阳极氧化阳极氧化膜镜面反射率和镜面光泽度的测定 20°、45°、60°、85°角度方向

Standard Type

GBT

ICS

25.220.20

CCS

H20

Status

现行

Issue Date

2006-09-26

Implementation

2007-02-01

Responsible Dept

中国有色金属工业协会

Drafting Unit

N/A

🔗 Related Standards / 同类标准

GB/Z 45463-2025 Method for porosity measurement of thermally sprayed coatings GB/T 5619-1985 Shed storage exposure test--Testing method for rust-proof material GB/T 6808-1986 Anodizing of aluminium and its alloys--Accelerated test of light fastness of coloured anodic oxide coatings using artificial light GB/T 7410-1987 Terms of vitreous and porcelain enamels GB/T 7996-1987 Nominal volume and nominal diameter for glass-lined vessel GB/T 9800-1988 Chromate conversion coatings on electroplated zinc and cadmium coatings GB/T 9790-1988 Metallic and related coatings--Vickers and Knoop microhardness tests GB/T 9988-1988 Test method for alkali resistance of porcelain enamels