PENCIL HARDNESS
The pencil hardness test is to determine the surface resistance of paint to scratching of known hardness.
Equipment: Pencil Hardness, model 141, Isolabor Omicron.
Standards: 50452/02, ASTM D33-63-05, among others.
The pencil hardness test is to determine the surface resistance of paint to scratching of known hardness.
Equipment: Pencil Hardness, model 141, Isolabor Omicron.
Standards: 50452/02, ASTM D33-63-05, among others.
