Tri-State Building Renovation Inc.

Phone

718-794-0003

Email

tristate2749@gmail.com

Location

NY, NJ and CT area

Pencil hardness tester coating scratch hardness tester 500g three-in-one QHQ-A

Hardness of the series, the standard pencil from soft to hard 6B 5B 4B 3B 2B HB H 2H 3H 4H 5H 6H (a total of 13). 3, with the thumb and middle finger caught in the center of the two wheels. GB1279-79 “Preparation of paint film,” the preparation of three pieces of test, usually a flat tinplate 120 50 (O.2-0.3) mm.

ONE Pencil Hardness Tester QHQ-A Coating Hardness Tester New

Pencil Tester, Body. The pencil lead, prepared beforehand by rubbing it on fine abrasive paper, is maintained at an angle of 45º and pushed with uniform pressure onto the sample. Three points are touched on the tested surface roller pencil lead.

ONE Pencil Hardness Tester QHQ-A Coating Hardness Tester New

Pencil Tester, Body. The pencil lead, prepared beforehand by rubbing it on fine abrasive paper, is maintained at an angle of 45º and pushed with uniform pressure onto the sample. Three points are touched on the tested surface roller pencil lead.

ONE Pencil Hardness Tester QHQ-A Coating Hardness Tester New

Pencil Tester, Body. The pencil lead, prepared beforehand by rubbing it on fine abrasive paper, is maintained at an angle of 45º and pushed with uniform pressure onto the sample. Three points are touched on the tested surface roller pencil lead.