Testeur de dureté de crayon de bureau LR-G016
Test de dureté au crayon, 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
- Enquête
Description
Testeur de dureté de crayon de bureau LR-G016
Utiliser
Test de dureté au crayon, 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.
Testeur de dureté de crayon de bureau LR-G016
Conforme à la norme
GB/T 6739 paint and varnish, paint film hardness pencil method.
| pen point load | 1000 g |
| Taille extérieure | 430x160x280 mm |
| Poids | 15 kg |
The packing list
Desktop pencil hardness tester
A balance weight
1000 grams
6 b – HB – h pencil, 13
