Specialized Painting Processes - Intermediate Chip Guard Painting

1.	Intermediate Chip Guard Painting

Helps prevent chipping damage from flying stones while driving. Normally, chip guard primer (chloride vinyl resin) is painted on the side sills etc. The painting surface is granular with a layer thickness of 100 to 200 ?m.

NOTE: Check for the paint manufactures’ spec information before use.

Coating Processes

Scuffing:
Sand the base coat layer using a scuffing pad. (P240 to P400)

NOTE: Be careful not to sand excessively down to the base material.

Clean with air blow gun then degrease.

Mask.

Apply Chip Guard Primer:

Apply the first pass lightly, but enough to wet the surface, then allow 5 minutes flash time.

Match the surface quality of the paint layer with the surrounding surfaces during the second pass to have consistent granular texture.

Complete this process with two coats if possible. Do not over-apply.

NOTE: Refer to the paint manufactures' instructions for the specific coating method.

Dry:
Allow a 15-minute set-up time and force dry the surface for 30 to 40 minutes at a temperature of 86 °F (30 °C). For thicker paint layers, allow a longer set-up time.

NOTE: Always refer to the paint manufactures' instructions for the appropriate drying time.

Apply urethane primer-surfacer.