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TM-4
ASTMC241-90, GB/T19766-2005
This tester can be used to determine the abrasive resistance of natural granite, natural marble, limestone, sandstone, slate and other architectural materials.
| Grinding disc size | Ø254 × 15mm |
| The center of the four samples | 90mm from the center of the disc. |
| The sample is subjected to a load of | 2000±50g and 1250±50g |
| Grinding disc rotation speed and sample rotation speed | 45±1rpm |
| Grinding plate working hardness | > HB500 |
| Abrasive flow continuously | adjustable |
| Applicable sample specifications |
Square sample 50×50±0.5mm, thickness 15-55mm Round sample ¢25±0.5mm, height 25-60mm |
| The number of samples | 4nos |
| Rated power consumption | 0.37KW, 380V, 50Hz |
| The number of revolutions control range | 0-9999rpm |
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