Pencil hardness tester

Model: CT-291T3 (three functions)

Load500g/ 765g/ 1000g

Product Introduction

The device is suitable for testing the hardness of the paint area, specifically used in metal coatings, decorative materials, synthetic leather.

Pencil hardness test method ASTM D3363, ISO15184, BS3900-E19, ECCA-T4/ 1standard requirement
Measurement angle: 45degree

Measurement series: 17Grade6B-9H)

Weight: approx 4kg

1, Place the instrument flat on the test piece (if the test piece is smaller than the instrument, place the test piece in front of the instrument and place the spacer under the front of the instrument to keep the instrument level
2, Cut the pencil with a blade so that the protrusion of the pen is approximately 3 to 5 mm , And polished in the sandpaper, and then insert a pencil into the instrument, so that after the heart and the test piece contact and fixed locking, (recommended: pencil hexagonal, fixed selection of a plane, after testing, rotating two flat and then fixed Test, and then rotate the two plane fixed test, a circular surface can be used three times) test to shim away
3, With the thumb and middle finger caught in the center of the two wheels 1 to 2 cm You can remove the instrument, with an eraser will be wiped across the lead. (Push the instrument do not add any pressure)
4, Determine the hardness, see the specimen without scratches.It is recommended that the test piece at least do more than three locations, take the average.

Hardness of the series, from soft to hard: 6B.5B.4B.3B.2B.B.HB.F.H.2H.3H.4H.5H.6H Total 14Species

Standard configuration: one pencil hardness tester body, Mitsubishi standard hardness test pencil 14Support6B-6H ), Horizontal gasket 1One, increase the weight 765g, 1000 g, Eraser 1A, sandpaper 1Zhang, aluminum box 1A;