Model: | - |
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Brand: | - |
Origin: | - |
Category: | Electronics & Electricity / Electronic Instrument / Laboratory Instrument |
Label: | pencil hardness , pencil scale , hardness tester |
Price: |
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Min. Order: | - |
This instrument offers an easy to use method for the determination of film hardness for a coating applied to a flat substrate. The pencil lead, prepared beforehand by rubbing it on fine abrasive paper(400),is maintained at an angle of 45º and pushed with uniform pressure onto the sample. leaving either a superficial trace or causing destruction down to the substrate. It complies with the requirements of ASTM D 3363, ISO 15184, GB/T 6739.
Main Technical Parameters
● Three points are touched on the tested surface (roller、pencil lead)
● The angle between pencil and the tested surface: 45°
● Pressure of pencil lead :500g/750g/1000g
Model:
QTH/1----500g
QTH/2----750g
QTH/3----1000g
Qualtech Products Industry Co.,Ltd | |
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Country/Region: | Shang Hai - China |
Business Nature: | Manufacturer |
Phone: | 13798026588 |
Contact: | Lucy Lee (Sales Manager) |
Last Online: | 16 Jan, 2015 |