Pencil Hardness Tester HT-6510P
Coating hardness is the necessary measurement for the performance of coatings.This instrument applied the Pencil Scratch Method.It is a fast and economical way to determine the film hardness.
Principle
The instrument applies mechanical measurement.Keep three point touch the coating(two wheel,a pencil core),and a 45 degree angle between pencil and test surface.Push the instrument sliding,pencil draws the corresponding track in the coating.In the change of different pencil marks,the hardness value of the film can be determined.
Standards
《GB/T 6739-96》 Coating Hardness Pencil Test Method
《ASTM D3363-00》 Standard Test Method for Determination of Coating Hardness by Pencil Test Method
《GB/T 1727-92》 General Method for Preparing Film
Structure Description
Specifications
| Load Weight | 1000g / 750g / 500g |
| Measurement Angle | 45° |
| Three Touch Points | Two Wheels,a Pencil Core |
| Scratch Speed | About 1 mm/s |
| Standard Configuration | Pencil Hardness Tester |
| 1000g Weight | |
| 750g Weight | |
| 13 Pencils（6B-6H） | |
| Eraser | |
| Knife | |
| Horizontal Pad Block | |
| Sandpaper |
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