Pencil Hardness Tester ASTM D3363 with Two Test Load and A Set of Pencils (Aluminum case)
Special Features
- ●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).
- ● A Set of Pencils (6 PCS) :HB,H,2H,3H,4H,5H.International brand standard pencil, accurate test results.
- ● Standard grinding sand paper and cleaning cloth.Sturdy aluminum case packing.
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