Honda 2001 Paints6-1
Plastic Parts Paint6-15
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Plastic Parts Paint6-15

Features of Plastic Material

  • Check each of the plastic parts of solvent resistance and heat resistance temperatures before you do any repair work.
  • Select the repair material according to materials of the plastic parts.

    Standard Symbol

    Name

    Heat Resistance Temperature °C (°F)

    Solvent Resistance

    Note

    AAS
    Acrylonigtrile acrylic styrene
    80 (176)
    A small amount of alcohol is acceptable for a short time. (Degreasing) An organic solvent such as gasoline is not recommended. An aroma product is not recommended.
    ABS
    Acrylonitrile butadiene styrene
    80 (176)
    A small amount of alcohol is acceptable for a short time. (Degreasing) An organic solvent such as gasoline is not recommended. An aroma product is not recommended.
    AES
    Acrylonitrile ethylene styrene
    80 (176)
    A small amount of alcohol is acceptable for a short time. (Degreasing) An organic solvent such as gasoline is not recommended. An aroma product is not recommended.
    A/EPDM/S
    Acrylonitrile / ethylene propylene diene rubber / styrene
    80 (176)
    A small amount of alcohol is acceptable for a short time. (Degreasing) An organic solvent such as gasoline is not recommended. An aroma product is not recommended.
    ASA
    Acrylonitrile styrene acrylate
    80 (176)
    A small amount of alcohol is acceptable for a short time. (Degreasing) An organic solvent such as gasoline is not recommended. An aroma product is not recommended.
    CAB
    Cellulose acetate butylate
    80 (176)
    A small amount of alcohol is acceptable for a short time. (Degreasing) An organic solvent such as gasoline is not recommended. An aroma product is not recommended.
    E/VAC
    Ethylene-vinyl acetate
    80 (176)
    A small amount of alcohol and gasoline are acceptable for a short time. (Degreasing) Soaking with an organic solvent such as gasoline and alcohol is not recommended.
    PA
    Polyamide plastics
    80 (176)
    Alcohol and gasoline are acceptable. Battery acid (sulfuric acid) is not recommended.
    PBT
    Polybutylene terephtalate
    160 (320)
    Alcohol and gasoline are acceptable. Solvent is not recommended.
    PC
    Polycarbonate
    120 (248)
    A small amount of alcohol is acceptable for a short time. Brake fluid, and wax and grease remover not recommended
    PE
    Polyethylene
    80 (176)
    Alcohol and gasoline are acceptable. Solvent is not recommended.
    PF
    Phenol form aldehyde
    80 (176)
    A small amount of alcohol is acceptable for a short time. (Degreasing) Soaking with an organic solvent such as gasoline and alcohol is not recommended.
    PMMA
    Polymethyl methacrylate
    80 (176)
    A small amount of alcohol is acceptable for a short time. (Degreasing) Soaking with an organic solvent such as gasoline and alcohol is not recommended. Wash remover off with water thoroughly.
    POM
    Polyoxymethylene polyacetal
    100 (212)
    Alcohol and gasoline are acceptable. Solvent is not recommended.




  • Plastic Parts Paint (cont'd)6-16

    Features of Plastic Material (cont'd)

    Standard Symbol

    Name

    Heat Resistance Temperature °C (°F)

    Solvent Resistance

    Note

    PP
    Polypropylene
    80 (176)
    Alcohol and gasoline are acceptable. Solvent is not recommended.
    PPO
    (PPE)
    Polyphenylene oxide
    100 (212)
    A small amount of alcohol is acceptable for a short time. Soaking with an organic solvent such as gasoline and alcohol is not recommended.
    PS
    Polystyrene
    60 (140)
    A small amount of alcohol is acceptable for a short time. Soaking with an organic solvent such as gasoline and alcohol is not recommended.
    PUR
    Polyurethane
    80 (176)
    A small amount of alcohol is acceptable for a short time. (Degreasing) Soaking with an organic solvent such as gasoline and alcohol is not recommended.
    PVC
    Polyvinyl chloride
    80 (176)
    A small amount of alcohol and gasoline are acceptable for a short time. (Degreasing) Soaking with an organic solvent such as gasoline and alcohol is not recommended.
    SAN
    Styrene acylonitrile
    80 (176)
    Wiping alcohol off in a short time can be allowed. Soaking with an organic solvent such as gasoline and alcohol is not recommended.
    SMC
    Sheet molding compound
    180 (356)
    Alcohol and gasoline are acceptable Solvent is not recommended.
    TPE
    Thermoplastic polyester elastomer
    80 (176)
    Alcohol is acceptable and wiping gasoline for a short time can be allowed. (Degreasing) Soaking with an organic solvent such as gasoline and alcohol is not recommended. Wash remover off with water thoroughly.
    TPS
    Thermoplastic styrene elastomer
    80 (176)
    A small amount of alcohol and gasoline are acceptable for a short time. (Degreasing) Soaking with an organic solvent such as gasoline and alcohol is not recommended. Wash remover off with water thoroughly.
    TPO
    Thermoplastic olefin / elastomer
    80 (176)
    Alcohol is acceptable and wiping gasoline for a short time can be allowed. (Degreasing) Soaking with an organic solvent such as gasoline and alcohol is not recommended. Wash remover off with water thoroughly.
    TPU
    Thermoplastic / urethane /
    elastomer
    80 (176)
    A small amount of alcohol and gasoline are acceptable for a short time. (Degreasing) Soaking with an organic solvent such as gasoline and alcohol is not recommended. Wash remover off with water thoroughly.
    UP
    Polyester
    110 (230)
    Alcohol and gasoline are acceptable. Alkali is not recommended.




    6-17

    Use of the Repair Material (reference)

    NOTE: Follow the materials manufacturer's instructions.

    The use of a special polyester putty for PP bumper is described here:

    1. Filler
    2. Mixing Ration :


    3. Drying Time:

      Air dry 20°C (68°F) 3 hours
      Force dry 60°C (140°F) 30 minutes




    4. Sanding filler
    5. Spray bumper primer (see page 6-19) on the area where the PP material was used.
    6. Primer surfacer
    7. The primer surfacer is used to protect the PP resin surface and fill cavities of flaws befort the intermediate coat and top coat.

      Use the 2-component type primer surfacer (grey).




    8. Mixing Ratio:


    9. Intermediate coat and top coat

      Use the 2-part polyester urethane top coat. Top coat is also used for an intermediate coat.




    10. Mixing Ratio:
    11. NOTE: Be sure to mix the correct amount of the hardener and softener.


    12. NOTE: Use a spray gun to apply the paint. Do not use a brush.
    13. Drying time:

      Air dry 20°C (68°F) 6~10 minutes Touching by the finger.
      Almost hard 12~14 hours
      Completely hard 96 hours




    14. Force dry the intermediate coat and top coat.
    15. NOTE: Mix only an amount that can be used before it hardens.

    Plastic Parts Paint (cont'd)6-18

    Refinishing Processes

  • The following shows refinishing methods to various types of paint damage or defects.
  • Be careful not to deform and damage the parts when force drying.


     

     

    PP

    Other Plastics

     

     

    Damage

    Damage

    Processes

    Procedures

     

     

    B

     

     

     

    A / B

    C

    ABS/PC
    Nylon/
    Polyester

    C

    1. Prepare for painting
  • Sanding
  • Air blowing / degreasing
  • X
    X
    X
    X
    X
    1. Undercoating
  • Spraying primer
  • X
     
     
    X
     
  • Drying
  • X
     
     
    X
     
  • Filling / Sanding
  • X
     
    X
    X
     
  • Air blowing / degreasing
  • X
     
    X
    X
     
  • Spraying primer surface
  • X
    X
    X
    X
    X
  • Drying
  • X
    X
    X
    X
    X
  • Sanding
  • X
    X
    X
    X
    X
  • Air blowing / degreasing
  • X
    X
    X
    X
    X
    1. Intermediate Coating
  • Masking
  • Spraying top coat enamel
  • Drying
  • Polishing
  • Air blowing / degreasing
  • X
    X
     
     
     
    1. Top Coating
  • Masking
  • Spraying top coat enamel/clear coat
  • Drying
  • Polishing / Buffing
  • X
    X
    X
    X
    X




  • 6-19

    Preprocessing of Painting

    1. Sanding
    2. Sand the damage area flat and smooth.

    Shallow Scratch:

    Use a flexible block and #240~#400~#600 sandpaper





    Hole / Deep Gouge:

  • Cut out and make any torn or burred area flat.

    Use a knife, flexible block and #180~#240 sandpapers.





    1. Air blowing / degreasing
    2. Clean the damaged area thoroughly.

      Use alcohol, and wax and grease remover.




    Undercoating6-19

    1. Spraying primer
    2. Primer is used to fill cavities in the putty and primer surfacer.
    3. Spray primer on the exposed area.
    4. Spray the 2 to 3 coats of primer on 2 to 3 coats over the area you applied putty.
    5. Apply primer to the back of the bumper if the damage is a tear or hole.

    6. Bumper primer
    7. Warm the primer if the ambient temperature is below 50°F (10°C).
    8. Follow the bumper primer manufacturer's instructions.
    9. Use a spray gun and a brush.




    10. Drying
    11. NOTE: Take care not to let the heat lamp deform the bumper during the drying process.
    12. Dry the bumper primer thoroughly with an infrared dryer or other suitable method.
    13. Drying Time:

      Air dry 20°C (68°F) 20 minutes
      Force dry 60°C (140°F) 10 minutes




    Plastic Parts Paint (cont'd)6-20

    Undercoating (cont'd)

    1. Filling / Sanding
    2. Apply putty to repair any holes or deep gouges.
    3. Apply the putty on the damaged area in 2 to 3 steps.
    4. Glue aluminium tape on the outside of the bumper, and apply putty from the other side of the bumper.
    5. Remove the aluminium tape after the putty dries, apply putty from the outside, and fill the hole.

      Use a special polyester putty (Reference) and a putty knife.





    6. Sanding
    7. Sand the surface evenly, particularly at the area where the PP material and putty meet.

      Use a flexible block and #240~#400~#600 sandpaper.





    8. Air blowing / degreasing

      Use alcohol, a tack cloth, and wax and grease remover.




    9. Spraying primer surfacer
    10. NOTE: Spray the bumper primer (see page 5-13) on the area where the PP material was exposed and around the putty.
    11. Spray the primer surface wider then the putty and painted surfaces of bumper primer.
    12. Spray 2 to 3 coats to get 20 tot 30 microns of thickness.

    13. Use the 2-component type primer surface (gray) and a spray gun.
    14. Follow the materials manufacturer's instructions.




    15. Drying
    16. NOTE: Take care not to let the heat lamp deform the bumper during the drying process.
    17. Sanding
    18. After drying, wet sand the area of the intermediate coat.

      Use the #600 sandpaper. NOTE: Do not use #600 or less.





    19. Air blowing / degreasing

      Use alcohol, a tack cloth, and wax and grease remover.




    20. Also clean and degrease the surfaces where the masking tape will be attached.

    6-21

    Intermediate Coating

    NOTE: You must do this procedure on the PP parts of the bumper and side sill panel.

    1. Masking
    2. Mask the area surrounding the damage to protect is from the intermediate coat overspray.

      Use masking tape and paper.




    3. Spraying the top coat enamel
    4. Spray the top coat enamel over the surface until the primer surfacer is fully covered.
    5. Spray 2 to 3 coats to get 15 to 25 microns of thickness.

    6. Use the 2-part polyester urethane top coat enamel and a spray gun.
    7. Mix the top coat enamel with the additive and solvent in the correct ratio.
    8. Follow the top coat manufacturer's instructions.




    9. Drying
    10. NOTE: Take care not to let the heat lamp deform the bumper during the drying process.
    11. After spraying top coat enamel, allow for 5 to 10 minutes of normal drying, then force dry it with infrared lamps or other industrial dryer.
    12. Polishing
    13. Check the top coat enamel has dried thoroughly, then sand the top coat enamel.

      Use a flexible block and #600~#800~#1000 sandpaper.




    14. NOTE: Be careful not to sand down to the primer surfacer.


    15. When the painting repair is almost complete, polish the top coat.

      Use a flexible block and #1500 sandpaper and compound.





    16. Air blowing / degreasing

      Use alcohol, a tack cloth, and wax and grease remover.




    17. Clean and degrease the surfaces where the masking tape will be attached.

    Plastic Parts Paint (cont'd)6-22

    Top Coating

    1. Masking
    2. Mask the area surrounding the damage to protect it from the top coat overspray.

      Use masking tape and paper.




    3. Spraying top coat enamel /clear coat
    4. Spray 2 to 3 coats in double coat until the intermediate coat is fully covered.
    5. NOTE:
    6. Do not cover the surface with one heavy coat.
    7. Apply several thin coats.

    8. Use the 2-part polyester urethane top coat enamel and a spray gun.
    9. Mix the top coat enamel with the additive and solvent in the correct ratio.
    10. Follow the top coat manufacturer's instructions.



    11. After spraying the top coat enamel, allow for 5 tot 10 minutes drying time before you spray the clear coat.


    12. Drying
    13. NOTE: Take care not to let the heat lamp deform the bumper during the drying process.
    14. After spraying the clear coat, allow for 5 to 10 minutes drying time before you force dry it with infrared lamps of other industrial dryer.
    15. Polishing / buffing
    16. Check that the clear coat has dried thoroughly.
    17. Wet sand to remove any imperfections.

      Use a flexible block, soap, and #2000 sandpaper.




    18. Using a buffer and compound, remove any polishing marks made from the sandpaper.

      Use a buffing sponge, and buffing wool and compounds.




    Finish up with buffing:

  • Wet sands with #2000 sandpaper and soapy water.


  • Remove moisture using compressed air.
  • Finish using fine compound and very fine compound. Do not polish with a electric polisher.
  • NOTE: Polish lightly.


  • Check the finished area at an angle, and make sure there are no polishing marks.
  • Polish with ultra fine compound and a buffing sponge.


  • Wax the finished area.




  • Honda 2001 Paints6-1
    Plastic Parts Paint6-15
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