Probador de dureza de lápiz de escritorio GA-6015

Descripción

Probador de dureza de lápiz

Prueba estándar
GB/T 6739 paint and varnish, paint film hardness pencil method.

Usar

Pencil hardness test, also known as “Wolff – Wilborn” experiment, to evaluate the coating with a different hardness value of graphite pencil hardness.
Precision design ensures that the cylinder of the pencil lead can keep unchanged in a 45 ° Angle, and maintaining a constant pressure.
Can leave a mark on the coating hardness value is the smallest pencil can determine the coating hardness level.

Parámetro

PAGacking list
Desktop pencil hardness tester
A balance weight :1000 gramos
6 b – media pensión – h pencil, 13