BGD 505 Adjustable Pencil Hardness Tester is designed according with ASTM D 3363, ISO 15184. Operator can obtain three different weights (500g, 750g and 1000 g) through selecting different loading weight.
Standards
ISO 15184:2020 — Paints and varnishes — Determination of film hardness by pencil test
ASTM D3363 — Standard Test Method for Film Hardness by Pencil Test
Technical Specification
Three points are touched on the tested surface (roller, pencil core)
The angle between pencil and the tested surface is 45° Pressure of pencil lead is 500g, 750g, 1000g