LR-G016 Desktop potloodhardheidstester
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.
- Beschrijving
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Beschrijving
LR-G016 Desktop potloodhardheidstester
Gebruik
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 potloodhardheidstester
Conform to the standard
GB/T 6739 paint and varnish, paint film hardness pencil method.
| pen point load | 1000 G |
| Buiten maat | 430x160x280 mm |
| Gewicht | 15 kg |
The packing list
Desktop pencil hardness tester
A balance weight
1000 gram
6 B – HB – h pencil, 13
