German HTechMT SP125-G asperity comparison board
SEThe German HTechMT SP125-G asperity comparison plate is used to evaluate the surface roughness after sand blasting. The SP125-G asperity comparison plate has four measurement areas, namely 25 μm, 60 μm, 100 μm, and 150 μm.
Model：
SP125-G
HTechMT
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HTechMT SP125-G Asperity comparison boardSPEC
HTechMT SP125-G Asperity comparison boardDetails
HTechMT SP125-G Asperity comparison boardPacking list
- SKU
- NB010222
SP125-G
Asperity comparison board
Introduction
The SP125 series surface roughness comparison plates are used to evaluate the surface roughness after sand blasting or shot blasting surface treatment. SP125-G is used to evaluate surface roughness after sand blasting. SP125-S is used to evaluate surface roughness after shot blasting. Implementation standards: ASTM D 4417 Method A, ISO 8503-1 and ISO8503-2
Specifications
| Instrument model | SP125-G | SP125-S |
| describe | 25 μm (Zone 1) | 25 μm (Zone 1) |
| 60 μm (Zone 2) | 40 μm (Zone 2) | |
| 100 μm (Zone 3) | 70 μm (Zone 3) | |
| 150 μm(Zone 4) | 100 μm (Zone 4) |
FAQ
QAre all asperity comparison boards available for testing in the QB/T2693 standard?
A
Not necessarily, but this SP125-G asperity comparison board can be considered.
Knowledge
- 1On surface roughness Measuring method Optical inspection, Mechanical, Atomic Force Microscope (AFM)
- 2Coating surface roughness testing
Standard
- 1JJF 1105-2018《Calibration Specification for Contact(Stylus)Instruments of Surface Roughness Measurement by Profile Method》
- 2JJG 2018-1989《Measuring Instruments for Surface Roughness》
- 3HB 6172-1988《General surface roughness》
- 4GB/T 42671-2023《Test method for surface roughness of carbon materials》
- 5HG/T 20720-2020《Construction and acceptance specification of waterborne anti-corrosion coatings for steel structures in industrial buildings》
- 6QB/T 2693-2005《QB/T 2693-2005》