Pencil Hardness Test
 
Determines the film hardness by pencil test (Wolff-Wilborn) in accordance with ISO 15184 and ASTM D3363
 
Quickly and easily evaluate the scratch resistance and relative hardness of coatings
14 quality graphite pencils—6B to 6H hardness values in a protective case
Custom aluminum pencil sharpener specifically designed for the Pencil Hardness Test—includes 5 and 6 mm reference marks for precision graphite length
Comes complete with everything needed for testing
Optional Pencil Cart exerts a constant force of 7.35 N (~1.65 lbf) at the specified 45° angle (included with Complete Kit)
 
Conforms to ISO 15184, ASTM D3363, JIS K-5600, BS 3900-E19, MIL C 27 227, ECCA-T4-1, SNV 37113, SIS184187, NEN 5350