PosiTest PT
Model No. :
Brand : Defelsko
The PosiTest PT is a specialized instrument designed for conducting the pencil hardness test (Wolff-Wilborn method), providing a quick and reliable assessment of the relative scratch resistance of coatings, lacquers, films, and resins. This essential quality control tool ensures that applied finishes meet the required hardness specifications critical for performance and durability.
- Evaluates scratch resistance and film hardness
- Complies with ISO 15184 and ASTM D3363 standards
- Available in Basic and Complete kit options
− Features
- Quickly and easily evaluate the scratch resistance and relative hardness of coatings in accordance with ISO 15184 and ASTM D3363
- For use on paint, films, lacquer, and resins
- 14 quality graphite pencils—6B to 6H hardness values – in a protective aluminum case—6B, 5B, 4B, 3B, 2B, B, HB, F, H, 2H, 3H, 4H, 5H, 6H
- Custom aluminum pencil sharpener with hardened steel blades specifically designed for the Pencil Hardness Test. Includes 5 and 6 mm reference marks for precision graphite length in conformance to national and international standards.
- Included pack of 400 grit sandpaper for flattening pencil leads prior to testing
- Comes complete with everything needed for testing
+ Standards
+ Resources
+ FAQs
Features
- Quickly and easily evaluate the scratch resistance and relative hardness of coatings in accordance with ISO 15184 and ASTM D3363
- For use on paint, films, lacquer, and resins
- 14 quality graphite pencils—6B to 6H hardness values – in a protective aluminum case—6B, 5B, 4B, 3B, 2B, B, HB, F, H, 2H, 3H, 4H, 5H, 6H
- Custom aluminum pencil sharpener with hardened steel blades specifically designed for the Pencil Hardness Test. Includes 5 and 6 mm reference marks for precision graphite length in conformance to national and international standards.
- Included pack of 400 grit sandpaper for flattening pencil leads prior to testing
- Comes complete with everything needed for testing
Technical Specifications
Application & Standards
Accessories
Software
FAQs
What is the PosiTest PT designed to measure?
It measures the relative hardness and scratch resistance of paint, lacquer, film, and resin coatings using the pencil test (Wolff-Wilborn method).
What is the range of pencil hardnesses included in the kit?
The kit includes a set of graphite pencils covering the full range of hardness from the softest to the hardest .
Which major international standards does the PosiTest PT conform to?
The design and method conform to essential industry standards including ISO and ASTM D.
What is the benefit of the optional Pencil Cart (PTKITC)?
The Pencil Cart provides a constant, verifiable force of at a precise angle, which significantly increases the repeatability and accuracy of the test by removing operator-induced variability.
What are the two available kits and their main differences?
The two kits are the Basic Kit (PTKITB), which relies on manual operation, and the Complete Kit (PTKITC), which includes the Pencil Cart with Leveling Rod for constant-force testing.
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