Pencil Hardness Tester ASTM D3363 Determination of film handness by penil test,Pencil Hardness Tester With Two Test Load and Pencils Hardness Meters(aluminum case)
[Product Information]
●The pencil hardness tester offers an easy method for the determination of film hardness on a flat substrate.
●Three points are touched on the tested surface roller pencil lead The angle between pencil and the tested surface 45°.
● Pencil tip force :500G X 1(1.25kg),250G X 2(0.25kg±10g).
● 1Set of STAEDTLER Pencils (5) :HB,H,2H,3H,4H.
● Standard grinding sand paper and cleaning cloth.Sturdy aluminum case packing.