Introduction
A pencil hardness tester is an instrument used to measure the hardness of the coatings and the paints by the pencil test, in which pencils of different hardness grades are used to scratch the surface of the coating, and it is used in the paint, the coating, the plastic, and the automotive industries for the quality control and the evaluation of the coatings. The pencil hardness test is performed by holding a pencil of a specified hardness grade, such as from 6B, the softest, to 6H, the hardest, at a specified angle, and moving it across the surface of the coating under a specified force, and the hardness of the coating is determined by the hardest pencil that does not scratch the surface; the pencil hardness tester consists of a holder that holds the pencil at the specified angle, a carriage or a mechanism that moves the pencil across the surface at a controlled force, and a flat surface for the test specimen, and it provides a controlled and reproducible test, with features such as the adjustable force, and it follows the standardized methods, such as the ASTM D3363; the pencil hardness tester is used for the evaluation of the hardness of the paint and the coating films, for the quality control of the coated products, for the comparison of the coatings, for the development of the coatings, and for many other applications. Pencil hardness testers are used in the paint and the coating industry, in the plastic industry, in the automotive industry, in the furniture industry, and for many other applications. With their hardness evaluation, pencil hardness testers are essential for the coating testing.
Digital Pencil Hardness Tester LPHT-T2010
Digital Pencil Hardness Tester is designed for precision testing within a hardness range of 40 to 700 HK. It operates with six selectable test forces: 0.245, 0.49, 0.98, 1.96, 2.94, and ...
Standards
ISO 6508-1:2015-Metallic materials-Rockwell hardness test-Test method
Complies with the above standards, but is not limited to them.
Features
1. Pencil hardness tester for coating hardness testing.
2. Handheld or fixture tester holding pencils at a fixed angle and load.
3. For coatings, paints, films and surface finishes.
4. Includes tester, pencils, abrasives and manual.
5. Rates coating hardness by pencil grade resistance.
FAQ
Q1: What scenarios is this tester used for?
A: It assesses the hardness of coatings and painted surfaces by drawing standardized pencil leads at a fixed angle and load, reporting the hardest pencil that does not mark or rupture the film.
Q2: What standards does it comply with?
A: It follows ASTM D3363 and ISO 15184 for pencil hardness, related GB/T standards, with pencil grades and test load standardized.
Q3: What is the warranty?
A: The tester carries a 12 to 24 month warranty covering the fixture. Pencils and abrasives are consumables. Damage from misuse is excluded.
Q4: Is it hard to operate?
A: Operation is simple but requires standardized technique and surface preparation. We provide a manual and guidance.
Q5: What is the lead time?
A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.
Q6: Is calibration required?
A: Verify load and angle periodically and use certified pencil grades. Keep test records.
Q7: Are consumables universal?
A: Pencil grades are standardized, while fixtures are model-specific. Ongoing cost is pencils.
Q8: Can it be customized?
A: Yes, several configurations are available. Options include manual or motorized operation, loads, pencil sets and field cases. We can discuss further custom requirements, confirm feasibility and advise any effect on the schedule before the order is confirmed.
Q9: Is installation included?
A: Standard delivery includes the tester and manual. Setup is performed by the user.
Q10: What surfaces are compatible?
A: It handles flat coated panels and painted surfaces. It is not for curved or rough surfaces without adaptation, uncured films, or indentation hardness requiring a different method.
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