Table 4 Surface pretreatment of substrates
From: European harmonised system for training and qualification of adhesive bonding personnel
Test Pieces for the practical exercises | ||||||
|---|---|---|---|---|---|---|
No. | Type of joint | Surface preparation | Adhesives | Remarks | ||
Hours | Total hours | |||||
1 | 3 | 3 | Lap joint | Degrease, grit blast, degrease | A representative cross section of joint types, surface preparation in conjunction with an appropriate adhesive shall be used to assess the candidate | |
Anodise | 2 Part Cold Cure | |||||
Primers | ||||||
Chemical Treatments | ||||||
2 | 1 | 4 | Double Strap Joint | |||
3 | 1 | 5 | Angle Lap Joint | |||
4 | 1 | 6 | Examination | |||