| 出生地 |
Tianjin China (Mainland) |
| 牌子的名字 |
YONGLIDA |
| 模式的数量 |
QHQ-A |
Pencil Hardness Tester is applicable to determine the hardness of coating film.It is suitable for labs and building sites.It also can examine the hardness of coating film on any direction.It complines with GB/T 6739-96 standard. Main Technical Parameters 1. Three points are touched on the tested surface(roller,pencil lead) 2. The angle between pencil and the tested surface is 45o 3. Pressure of pencil lead is 1±0.05kg