LR-G016 Desktop Pencil Hardness Tester

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.

Description

LR-G016  Desktop Pencil Hardness Tester

Use

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.

 

LR-G016  Desktop Pencil Hardness Tester

Conform to the standard
GB/T 6739 paint and varnish, paint film hardness pencil method.

pen point load1000 g
Outside size430x160x280 mm
Weight15 kg

 

The packing list
Desktop pencil hardness tester
A balance weight
1000 grams
6 b – HB – h pencil, 13






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