1 Scope
This standard describes the requirements, test methods, inspection rules, marking, packaging, transportation and storage of fluorocarbon coatings applied to aluminum extrusions and panels for architectural products.
This standard is applicable to fluorocarbon coatings of architectural aluminum extrusions and panels which are treated by fluorocarbon spraying process.
2 Normative references
The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. At the time of publication, all editions listed are valid. All normative documents are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below.
GB 178-1977 (confirmed in 1989) Standard sand for cement strength test
GB/T 1732-1993 Determination of impact resistance of film
GB/T 1740-1979 (confirmed in 1989) Methods of test for resistance to heat and humidity of paint films
GB/T 1766-1995 Paint and varnish — Rating schemes of degradation of coats
GB/T 1771-1991 Paints and varnishes — Determination of resistance to neutral salt spray
GB 2828-1987 Sampling procedures and tables for lot-by-lot inspection by attributes (Apply to inspection of successive lots or batches)
GB/T 3199-1996 Wrought aluminium and aluminium alloy products-Packing, marking, transporting and storing
GB/T 4957-1985 Non-conductive coatings on non-magnetic metal substrates — Measurement of coating thickness — Eddy current method
GB/T 6739-1996 Determination of film hardness by pencil test
GB/T 9276-1996 Methods of exposure to natural weathering of coating
GB/T 9286-1998 Paints and varnishes — Cross cut test for films
GB/T 9754-1988 Paints and varnishes — Measurement of specular gloss of non-metallic paint films at 20°, 60°and 85°
GB/T 9761-1988 Paints and varnishes — Visual comparison of the colour of paints
GB/T 9792-1988 Conversion coatings on metallic materials — Determination of coating mass per unit area — Gravimetric methods
GB/T 16259-1996 Test method for color changes in accelerated weathering of colored building materials
JC/T 480-1992 Building quicklime
3 Definitions
For the purposes of this standard, the following definitions apply.
3.1
fluorocarbon coating
organic coating containing more than 70% (resin mass ratio) polyvinylidene fluoride (PVDF) or other fluorocarbon resin with equivalent performance
3.2
film, coating
dry film of cured fluorocarbon paint on metal substrate, which is also referred to as coating
3.3
exposed surface
surface which is visible when the coated product is installed
3.4
dry film
fully cured film
Foreword i
1 Scope
2 Normative references
3 Definitions
4 Requirements
5 Test method
6 Inspection rules
7 Marking, packaging, transportation and storage
Annex A (Normative) Test methods for abrasion resistance
