LT-JJ23 Paint film impactor
| 1 | Scale | 0-40cm |
| 2 | Scale division | 1mm |
| 3 | Impact steel ball diameter | Ø14mm |
| 4 | Weight of the heavy hammer | 500g±1g |
| 5 | Test plate bottom | 200*250mm |
| GB/T 4893.9-92 “Test Method for Impact Resistance of Paint Films on Furniture Surfaces” |
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