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DeFelsko PosiTest PT Pencil Hardness Test determines the film hardness by pencil test (Wolff-Wilborn) in accordance with ISO 15184 and ASTM D3363.

Features:

• Evaluate scratch resistance and relative hardness of coatings
• 14 quality graphite pencils in a protective aluminium case (6B, 5B, 4B, 3B, 2B, B, HB, F, H, 2H, 3H, 4H, 5H, 6H)
• Custom aluminium pencil sharpener with hardened steel blades with 5 and 6 mm reference marks for precision graphite length in conformance to national and international standards
• 400 grit sandpaper for flattening pencil leads prior to testing

Conforms to ISO 15184, ASTM D3363, JIS K-5600, BS 3900-E19, MIL C 27 227, ECCA-T4-1, SNV 37113, SIS184187, and NEN 5350.