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Maximum repair dimensions for use of microballoons is

  • 10mm.
  • 20mm.
  • 30mm.

Explanation from PART66Online

Microballoon filler is restricted to small, lightly loaded repairs; the accepted maximum repair dimension is around 10 mm, beyond which a proper structural plug or core insert is required. Larger 20-30 mm holes exceed the strength capability of a filled repair, so 10 mm is the limit.

D

Diverdeep asked · 3 Mar 2023

why??

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