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QHQ-A Pencil Hardness Tester
- QHQ-A Pencil Hardness Tester
Product Details
Product Details
1. Main Function
Film hardness is a must-test indicator for quality certification in the paint manufacturing and coating use (coating) industries.Pencil scratch method of coating hardness test is widely adopted since the eighty s by the international test methods.Our country also has in the development of coatings research and promotion of this test method in industrial production.The instrument is according to the national standard "film pencil hardness measurement" GB6379-86-2, article 3 of manual operation and the design and manufacture.Instrument can be used in the laboratory, also can be applied to the construction site, and can be in any direction on the identification on the coating hardness.
2. Working Principle
Instrument for mechanical, three contact surface to be tested (for round 2 o 'clock, a bit of lead) always guarantee a pencil with 45 ° Angle measured surface formation, forcibly horizontal drive instrument movement, can complete the testing process, determination of coating's ability to resist deformation.
3. Optional specifications
QHQ-A-500, QHQ-A-750, QHQ-A-1000G three sizes are available.
Other specifications can also be ordered.
H-6H, B-6B, HB 13 pencils are provided.
