Volkswagen Golf Service & Repair Manual: Paintwork system for plastic components
| This universal system allows simple and reliable painting of
all external plastic components in standard applications.
(Synthetic types: PP, EPDM, ABS, PC, PPO, PBTP, UP-GF, PA, PVC,
R-TPU, PUR). This technical data sheet is not applicable for
factory-primed plastic components. |
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The substrate must be free of release agents. Before
cleaning plastic parts, temper them for 60 minutes at +60 °C to
sweat out the separating agents. |
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Clean with anti-static plastic cleaner -LKR 001 001 A3- or
with the milder slow-drying silicone remover -LSE 20 100 A3-. |
| The effort required for cleaning depends on the type and
quantity of the release agent used. It is recommended to use an
emery pad to help in cleaning. Let the thinner evaporate
completely (e.g. air-dry overnight at ambient temperature or for
30-40 minutes at +60°C). |
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Before priming, clean lightly again using anti-static
plastic cleaner -LKR 001 001 A3- or slow-drying silicone remover
-LSE 20 100 A3-. |
| Paintwork structure for unprimed plastic components |
| To ensure reliable adhesion plastics must be primed
following thorough cleaning. There are two options: |
| 1. - |
Prime with 2-pack primer surfacer for plastics, white -LKF
696 009- or with 2-pack primer surfacer for plastics, black -LKF
696 040-. The 2-pack primer surfacer for plastics, white -LKF
696 009- and the 2-pack primer surfacer for plastics, black -LKF
696 040- can be recoated with top coat right away. |
| 2. - |
Prime with transparent adhesion promoter -ALO 822 000 10-,
and then fill with elasticised 2-pack HS surfacer. Proceed with
top coat and clear coat. |
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Small scratches can be filled with 2-pack fine filler -LSP
784 002 A2- after priming. |
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Isolate the filled surface after sanding: |
| 1. - |
With 2-pack primer surfacer for plastics, white -LKF 696
009- or with 2-pack primer surfacer for plastics, black -LKF 696
040-. |
| 2. - |
Prime with transparent adhesion promoter -ALO 822 000 10-,
and then fill with elasticised 2-pack HS surfacer. Proceed with
top coat and clear coat. |
| For information on the application instructions, flash-off
times and drying times, refer to the technical data sheet: |
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→ Chapter „2-pack plastic adhesion surfacer“ |
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→ Chapter „Adhesion promoter (transparent)“ |
| Use of 2-pack elastic additive -ALZ 011 001- in 2-pack HS
surfacers: |
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15% on semi-rigid and rigid plastics |
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30 % on highly flexible plastics |
| Refer to technical data sheet of the respective surfacer for
information on the application
→ Chapter. |
 Note
| Painted plastic parts must not be cleaned with a
high-pressure cleaner during the first 6 weeks. After this
period, the nozzle must be held at a distance of no less than
30 cm from the object. |
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Mix 2-pack HS top coat with 15% 2-pack elastic additive -ALZ
011 001-, and then cross-link this mixture. |
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Mixing ratio 3:1 with 2-pack VHS hardener and 15% special
2-pack thinner -LVM 009 200 A2-. |
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Apply in one-and-a-half coats. |
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Air dry overnight at +20°C, or after 5-10 minutes of final
flash-off time for 30-40 minutes at +60°C. If 2-pack elastic
additive -ALZ 011 001- is used, the drying times are longer. |
| Two-coat paintwork - non-metallic, metallic, pearls |
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Waterborne base coat with 10% demineralised water -LVW 010
000 A5-. |
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Apply in one-and-a-half coats. |
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Mix 2-pack HS clear coats with 2-pack elastic additive -ALZ
011 001-. |
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According to relevant technical data sheet for the clear
coat
→ Chapter „Clear coats“. |
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Air dry overnight at +20°C, or after 10 minutes of final
flash-off time for 40-45 minutes at +60°C. If 2-pack elastic
additive -ALZ 011 001- is used, the drying times are longer. |
| Painting satin-gloss colour hues |
| One-coat painting; top coat: |
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Mix 2-pack HS top coat at a ratio of 1:1 with 2-pack matting
additive -ALN 775 106-, and then cross-link this mixture. |
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Mixing ratio 4:1 with 2-pack VHS hardener and 15% special
2-pack thinner -LVM 009 200 A2-. |
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To achieve a uniform paint film surface, apply 2 spray
passes with 5-10 minutes interim flash-off time. |
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Air dry overnight at +20 °C, or after a final flash-off time
of 5-10 minutes for 30-40 minutes at +60°C. |
| Painting colour shades with textured effect |
| One-coat painting; top coat: |
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Mix 2-pack HS top coat at a ratio of 1:1 with 2-pack
coarse/fine texture additive -ALN 775 107/108-, and then
cross-link this mixture. |
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Mixing ratio 4:1 with 2-pack VHS hardener and 15% special
2-pack thinner -LVM 009 200 A2-. |
| 1. Normal spray application, 5-10 minutes flash-off time |
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| 2. Spray application adapted to desired texture |
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Air dry overnight at +20 °C, or after a final flash-off time
of 5-10 minutes for 30-40 minutes at +60°C. |
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| Personal protective equipment: |
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Adhere to the safety data sheet. |
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Wear personal protective equipment during application. |
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Issue 04.13
The repair paintwork system for matt-finished vehicles is
outlined below. Area of use: larger areas/full painting
operations
...
Issued 04.2013
Product description/objectives
To attain visually perfect colour transition in blending
area or to adjacent par ...
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Repair paintwork system for matt-finished vehicles
Aqua Premium system, blending system for 2-stage colours