Specifications allow for use of either the (preferred) mechanised or hand operated apparatus. A test panel is clamped to a slide which slowly withdraws the panel while a needle scratches the surface. Tests are conducted either on a ‘go/no go’ basis using a single specified load or by increasing the load to determine the minimum load at which the coating is penetrated.
Complies with BS 3900;E2, ISO 1518
Also available, loop stylus version BS 3900 : E17/ISO 12137-1
N.B. Other specifications available ASTM D5178,D2197
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705 |
Mechanised Scratch Tester |
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705/1 |
Mechanised Scratch Tester - ASTM D5178 |
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705/2 |
Mechanised Scratch Tester - ASTM D2197 |
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706 |
Hand Operated version |
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