الوصف

Pencil Hardness Tester is applicable to determine the hardness of coating ***** is suitable for labs and building ***** also can examine the hardness of coating film on any ***** complies with GB/T ******6 standard. Main Technical Parameters ***** points are touched on the tested surface(roller, pencil lead) ***** angle between pencil and the tested surface is *5o 3.Pressure of pencil lead is 1±0.*5kg