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Degrease only
Degrease, abrade, and degrease again
Degrease and chemically pretreat
It is important to research the procedures and chemicals used. Some procedures are not feasible to us as a student team. Some chemicals are more hazardous than others. This will definitely be a large factor in creating pretreatment procedures.
Note:
It is more than sufficient to follow the provided instructions for an adhesive, i.e. read its technical data sheet. The source link provides very specific procedures for different materials. The procedures seem to be very specific and require technical expertise to perform. We would not resort to procedures researched online unless the technical data sheet of adhesives do not explicitly provide surface preparation instructions.
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