Adhesive Repair - Polypropylene Facia
ADHESIVE REPAIR - POLYPROPYLENE FACIAIf extensive reinforcing or patching from the back of the facia is required, use the following procedure.
1. Scuff the back side with 180 grade abrasive. Apply Polyolefin Adhesion Promoter.
2. Cut a glass cloth patch to cover repair area.
3. Mix a quantity of Flexible Parts Repair Material. Lay the glass cloth on a clean surface. Use a squeegee to press the Flexible Parts Repair into the glass cloth.
4. Apply glass cloth patch to the back side of the repair area.
5. Apply additional Flexible Parts Repair Material over surface of the glass cloth patch.
FACIA SURFACE REPAIR
1. Clean the repair area with soap and water. Remove grease and tar with solvent. Avoid solvent contact with plastic base material - temporary swelling can occur.
2. Grind the repair surface with a 36 grit disc. Grind about 1_"around the actual damage to achieve a taper for best adhesion.
3. Featheredge the paint around the repair using an orbital sander with a 180 grit disc. Wipe with a clean dry rag and blow off with air.
4. Apply one wet coat of Polyolefin Adhesion Promoter over the sanded surface and allow to dry for 10 minutes.
IMPORTANT:
You must reapply Polyolefin Adhesion Promoter after any sanding step.
5. Mix Flexible Parts Repair Material according to the manufacturer instructions and apply to the repair with a squeegee, building it up higher than the undamaged area. Allow it to cure for 20-30 minutes at 60-80°F.
IMPORTANT:
Any damage that penetrates the adhesion promoter coating into the plastic substrate should be filled with Flexible Parts Repair Material and finish shaped/sanded to the desired shape using steps 5-10.
6. After curing, sand with a 180 grit disc followed by a 240 grit disc.
7. Reapply Polyolefin Adhesion Promoter and let dry.
8. Fill sand scratches and pinholes with a thin coat of Flexible Parts Repair Material. (Do not use Flexible Parts Putty.) After curing, sand with a 320 grit disc.
9. Reapply Polyolefin Adhesion Promoter and let dry.
10. Apply a double wet coat of Flexible Parts Coating. After a 10 minute flash time, apply a second double coat. Let dry 45 minutes and lightly scuff sand the coating with a 320 grit disc. Apply color coats recommended for plastic body parts.
FACIA REFINISHING REMINDERS
When refinishing a repaired or replacement facia, it is critical that tile part is clean and sufficiently abraded prior to painting. Be careful not to leave sanding scratches that cannot be hidden with proper basecoat application. The body repair technician is encouraged to review P194-003 for more information regarding the refinishing of polyurethane or polypropylene bumper facias.
In an effort to support the Nissan body repair technician, the following supplier names, addresses and phone numbers have been provided for materials, products and equipment. This Resource Guide of suppliers should assist you in obtaining necessary materials, products and equipment.