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Testing Applied Paint Films

Scope and Field of Application

These tests may be carried out on freshly applied or aged coatings and are often used to assess test panels after durability or corrosion testing.

It is important to emphasise that, generally, these tests do not have any pass/fail criteria. The standards simply describes the test equipment and the manner in which the tests should be carried out. Pass/fail criteria are a matter of prior agreement between customer and supplier but if this information is not available we will be pleased to give our opinion, where possible, of what constitutes a good, acceptable or poor result.

We appreciate that some clients may be uncertain which tests are most appropriate for their products. One important rule for those who wish to use test data for promotional purposes is, wherever possible, liaise with potential customers first and find out if they have any preferences regarding the tests that they require and the methods they prefer.

 

Test	Standard
Abrasion Resistance	BS 3900-E14, ISO 7784-1, BS 3900-E15, ISO 7784-2, ASTM D 4060
Adhesion	BS EN ISO 2409, BS 3900-E6, BS EN 24624, ISO 4624
Application Properties and Appearance	In-house method
Assessment of Blistering	BS 3900-H2, ISO 4628/2
Assessment of Chalking	BS 3900-H6, ISO 4628/6
Assessment of Cracking	BS 3900- H4, ISO 4628/4
Assessment of Flaking	BS 3900-H5, ISO 4628/5
Assessment of Rusting	BS 3900-H3, ISO 4628/3
Chip Resistance	BS AU 148: Part 15
Colour Comparison (Instrumental)	BS 3900-D8, BS 3900-D9, BS 3900-D10, ISO 7724 Parts 1, 2 and 3
Colour Comparison (Visual)	BS EN ISO 3668, BS 3900-D1
Cupping Resistance	BS EN ISO 1520, BS 3900-E4
Drying Time: Surface Dry	BS 3900-C2, ISO 1517
Drying Time: Through Dry	BS 3900-C3, ISO 9117, BS EN 29117
Film Thickness	BS EN ISO 2808, BS 3900-C5
Flexibility	BS EN ISO 1519, BS 3900-E1, BS EN ISO 6860, BS 3900-E11, ASTM D 522
Gloss	BS EN ISO 2813, BS 3900-D5
Hardness	BS EN ISO 1518, BS 3900-E2, BS EN ISO 1522, BS 3900-E5, BS EN ISO 2815, BS 3900-E9, BS 3900-E17, ISO 12137-1, BS 3900-E19, ISO 15184, ASTM D 3363.
Impact Resistance	BS 3900-E3, BS EN ISO 6272, BS 3900-E7, BS 3900-E13, ASTM D 2794
Minimum Film-forming Temperature	ASTM D2354
Opacity	BS 3900-D4, BS 3900-D7, BS 3900-D11, ISO 2814, ISO 6504 Parts 1 and 3
Permeability to Water	ASTM D 1653
Resistance to Liquids / Stain Resistance	BS 3900-G5, ISO 2812/1
Scrub Resistance and Cleanability	BS EN ISO 11998, DIN 53-778, ASTM D 2486
Spreading Rate	BS 3900-A16, ISO 7254
Surface Energy and Contact Angle	In-house method
Tensile Testing	ASTM D 2370
Wet Adhesion	ASTM D 6900
Wet Edge Time	BS 3900-C1
Whiteness	ASTM E 313
Yellowness	ASTM E 313

 

Please contact Peter Collins for further details.

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