Research Bulletin 2000-5
Refinishing Plastic Parts:DuPont


Flexible Plastics Repair Procedures

Identify the Plastic

Identify and Prepare the Substrate

A. Unprimed (polyolefin or non-polyolefin)
  1. Wash with soap & water
  2. Clean with 2319S
  3. Sand
  4. Clean with 2319S
    Complete the Repair

  5. If polyolefin or unknown plastic, apply 2322S
  6. Apply 2340S*
  7. Apply your choice of topcoat: ChromaSystemTM, Activated Basecoat with Flexibilized Clearcoat or ChromaSystemTM Flexibilized Single-Stage or DuPont Vinyl Color***
B. Primed (polyolefin or non-polyolefin)

  1. Wash with soap & water
  2. Clean with 3900S or 3949S
  3. Sand
  4. a) Primed or OEM with cut-throughs use 2319S
    b) Primed, no cut-throughs: use 3901S or 3909S
    Complete the Repair

  5. If polyolefin or unknown plastic, apply 2322S
  6. If fill is required, apply URO® Prime with 2350S**
    If no fill is required, apply 2340S or ChromaPremierTM Sealer with 2350S*
  7. Apply your choice of topcoat: ChromaSystemTM, Activated Basecoat with Flexibilized Clearcoat or ChromaSystemTM Flexibilized Single-Stage or DuPont Vinyl Color***
C. OEM Finished (polyolefin or non-polyolefin)

  1. Wash with soap & water
  2. Clean with 3900S or 3949S
  3. Sand
  4. a.) OEM with cut-throughs use 2319S
    b.) OEM Finished, no cut throughs- use 3901S or 3909S and apply topcoat directly
    Complete the Repair

  5. OEM with cut-throughs only: If no fill is required, apply 2340S or ChromaPremierTM Sealer with 2350S*
  6. Apply your choice of topcoat: ChromaSystemTM, Activated Basecoat with Flexibilized Clearcoat or
    ChromaSystemTM Flexibilized Single-Stage or DuPont Vinyl Color***

* For rigid plastics: If no fill is required, apply ChromaPremierTM Sealer, Low VOC Prime 'N SealTM, Prime 'N SealTM or Plas-StickTM Flexible Adhesion Sealer.

** For rigid plastics: If fill is required, apply ChromaFilTM or DuPont URO® Prime (Without flexible additive).

*** When topcoating rigid plastics a flex additive is not required.