Introduction:
BEVS1301 Pencil Tester is complied with the requirements of ASTM D3363 and ISO15184 standard, through leaving a superficial trace on the dry coating film with a certain pencil hardness, the surface will be variably damaged by the hardest pencil to evaluate pass/fail or hardness. Recommend to apply on the smooth film surface.Use variety of different hardness pencils, the angle between pencil and the coated surfaceis 45°, scratch on the coated surface under a certain of force, the scratch resistance hardness of the coating is the pencil hardness which just scratched the coating.
Technical Specification:
◆Pressure of Pencil Tip: 1000/750/500g
◆The angle between pencil and film surface is 45°
◆Three points are touched on the tested surface (roller, pencil tip)
◆Scratch Speed: 1 mm/sec
