Adjustable Pencil Hardness Tester
JR 505 Adjustable Pencil Hardness Tester is designed according with ASTM D 3363,ISO 15184.Operator can obtain three different weights(500g,750g and 1000g)through selecting different loading weight.
Main Technical Parameters
Three points are touched on the tested surface(roller, pencil core)
The angle between pencil and the tested surface is 45º
Pressure of pencil lead is 500g,750g,1000g
Ordering Information:
JR 505----Adjustable Pencil Hardness Tester