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Volkswagen Golf Service & Repair Manual: Aquaplus system, uni (solid-colour) and metallic colours

Volkswagen Golf Service & Repair Manual / General information, paint / Genuine products / Top coats / Aquaplus system, uni (solid-colour) and metallic colours

Designation:
Uni (solid-colour) waterborne mixing paint -LWM 075 ...-
Metallic waterborne mixing paint -LWM 076 ...-
Uni (solid-colour) waterborne base coat -LUW/LWG 038 ...-
Metallic waterborne base coat -LMW/LWG 039 ...-
Issued 11.2012
Product description
The Aquaplus system is a high-grade waterborne base coat system. It is based on a special PU dispersion technology for high-grade two-stage solid and metallic colours.
Properties:
Easy to apply
Good vertical stability
Good hiding power
Recoatable with 2-pack HS clear coat
VOC compliant
  Note
After overspraying with 2-pack HS clear coat, it produces a high-gloss, weather-resistant finish.
Technical data sheet
Substrate
Suitable substrates:
Intact old paint
Surfaces coated with primer or surfacer (2-pack HS surfacer)
Substrates isolated with 1-pack wash primer -LVM 044 007 A2-/-LVM 044 171 A2-
For plastic surfaces, substrates isolated with 2-pack primer surfacer for plastics -LKF 696 009 A2-/-LKF 696 040 A2-
See special notes → Anchor
   
Substrate pre-treatment:
–  Thoroughly clean factory paint, old paint or 2-pack HS surfacer with silicone remover -LVM 020 000 A5- or slow-drying silicone remover -LVM 020 100 A5-.
 

Aquaplus system, uni (solid-colour) and metallic colours

–  Dry sand using orbital sander with P400 to P500-grain sandpaper and dust collector.
 

Aquaplus system, uni (solid-colour) and metallic colours

–  Or lightly “wet” sand using P800 to P1000-grain sandpaper.
 

Aquaplus system, uni (solid-colour) and metallic colours

–  Before recoating, use a suitable cleaning agent to ensure a clean surface free of residues.
–  Wipe off any excess silicone remover with a lint-free cloth, leaving no streaks.
Special notes
Areas sanded to bare metal must be isolated with 1-pack wash primer -LVM 044 007 A2-/-LVM 044 171 A2-. Bare metal spots must not be larger than 5.0 cm in diameter.
If 2-pack HS surfacer is used, bare metal spots must be isolated with 2-pack wash primer -LHV 043 000 A2- or 1-pack wash primer -LVM 044 007 A2-/-LVM 044 171 A2-.
Application
Mixing containers:
Plastic containers or tinplate containers with inner coating
Sieves:
Waterborne base coats are to be filtered through waterproof 125 μm quick sieves before application by means of cup systems.
Thinner:
Aquaplus demineralised water -LVW 010 000 A5- (according to ISO 3696)
Use Aquaplus measuring stick.
At higher temperatures (>+25°) and high relative humidity (>60%), adding 0-5% demineralised water -LVW 010 000 A5- is sufficient.
  Note
For reasons of safety, mixtures which include both micro silver extra -LWM 076 817 A2/A4- and translucent oxide -LWM 075 831 A1- may not be stored. Risk of pressure increase in the closed tin.
Any unused material is immediately to be disposed of properly. → Anchor.
 

Aquaplus system, uni (solid-colour) and metallic colours

Method of application: “spray”.
 

Aquaplus system, uni (solid-colour) and metallic colours

–  The application viscosity at +20 °C is the “compliant” and “HVLP” mixing viscosity.
 

Aquaplus system, uni (solid-colour) and metallic colours

–  Add 10% thinner at +20 °C material temperature.
 

Aquaplus system, uni (solid-colour) and metallic colours

–  Adjust spray nozzle following manufacturer's instructions to 1.2-1.3 mm for “compliancy”.
–  Adjust spray nozzle following manufacturer's instructions to 1.3 mm for “HVLP”.
–  Adjust spray pressure following manufacturer's instructions to 2.0-2.5 bar for “compliancy”.
–  Adjust atomising pressure following manufacturer's instructions to 0.7 bar for “HVLP”.
 

Aquaplus system, uni (solid-colour) and metallic colours

–  One spray operation includes a tack coat followed by a full coat. A “finish coat” is recommended for special-effect colours.
  Note
If the paint hue does not hide well, it may be necessary to apply additional spray coats after an appropriate flash-off time.
 

Aquaplus system, uni (solid-colour) and metallic colours

Drying
 

Aquaplus system, uni (solid-colour) and metallic colours

The flash-off time for clear coat application is 20 minutes at +20 °C.
Ways to reduce flash-off times for small areas:
Surface matting can be accelerated by blowing on it with an air diffuser (hand-held or stationary device).
It is also possible to blow on it with the spray gun after waiting at least 5 minutes.
Ways to reduce flash-off times for large areas:
Surface matting can be accelerated by using stationary air diffusing units (e.g. ceiling system), infrared drying or low baking.
Ceiling system: 10-15 minutes
Infrared drying: 3-5 minutes
Cooling time at least 5 minutes
 

Aquaplus system, uni (solid-colour) and metallic colours

Low baking at +60 °C
Combination booth: at least 10 minutes including heat-up time
Low-bake oven: at least 5 minutes
Cooling time at least 5 minutes
  Note
The specified flash-off and drying times depend on the temperature, humidity, air drop speed in the spray booth and the number of coats applied. The surface must, however, first appear completely matt.
 

Aquaplus system, uni (solid-colour) and metallic colours

Recoating
Recoat with:
2-pack HS clear coat from the Volkswagen Genuine paint programme
Special notes
Blending system (for achieving a perfect colour transition from repair to adjacent areas)
Preparation:
–  Sand surfaced areas (dry with P400 to P500-grade paper or wet with P800 to P1000-grade waterproof paper).
–  Thoroughly but lightly sand the adjacent areas to which no surfacer was applied with a fine emery pad.
–  Thoroughly clean the whole surface with silicone remover -LVM 020 000 A5- to remove any dust, paint residue from sanding or any other impurities.
–  Wipe off any excess silicone remover with a lint-free cloth, leaving no streaks.
–  Allow the moisture on substrates which have been wet-sanded or cleaned to evaporate completely.
Blending system for metallic and solid colours:
–  Spray the area on which the surfacer was applied with mixed waterborne base coat at spray viscosity so that it forms an opaque film.
–  Extend the area of application of each subsequent coat through a process of overlapping so that only a fade-out area remains.
–  Extend this fade out area and blend in, spraying with reduced pressure.
–  After an appropriate final flash-off time, 2-pack HS clear coat can be applied.
Product application
Spraying equipment must be suitable for applying water-based products; manufacturers' instructions must be followed.
The mixing colours in this top coat series can be used only as part of a colour formula. If any mixing colour is applied alone, the results may differ substantially from the description in this technical data sheet.
Cleaning of tools
Rinse with Aquaplus demineralised water -LVW 010 000 A5- before and after use. Then wash out with nitrocellulose thinner -LVE 856 000 A3-.
Waste disposal
Collect liquid water-based waste separately from conventional liquid waste. If the two are mixed, it may be impossible to dispose of the mixture, or at best difficult, and therefore expensive.
 

Aquaplus system, uni (solid-colour) and metallic colours

Personal protective equipment:
Adhere to the safety data sheet.
Wear personal protective equipment during application.
Data
 

Aquaplus system, uni (solid-colour) and metallic colours

Flash point: Above +23 °C
VOC content: 2004/42/IIB(d)(420)420 The EU limit value for this product (product category IIB.b) in ready-to-spray form is max. 420 g/l of volatile organic compounds. The VOC content of this product in ready-to-spray form is max. 420 g/l.
 
Storage
Guaranteed storage time of the individual products is
Uni (solid-colour) waterborne mixing paint -LWM 075 ...- 24 months from production date.
Uni (solid-colour) waterborne base coat -LUW/LWG 038 ...- 24 months from production date.
Metallic waterborne mixing paint -LWM 076 ...- 24 months from production date.
Metallic waterborne base coat -LMW/LWG 039 ...- 18-24 months from production date.
All products may be used until the date stated on the label at latest if stored in sealed original containers at +20 °C.
 

Aquaplus system, uni (solid-colour) and metallic colours

Storage conditions
The optimal storage temperature is +20 °C. (Do not store at temperatures below +5 °C.)
The preferred storage temperature range is +15 °C to +25 °C.
Short-term storage (approx. 4 weeks) between +5 °C and +35 °C is possible.
 

Aquaplus system, uni (solid-colour) and metallic colours

2-pack HS top coat
Designation: 2-pack HS uni (solid-colour top) coat -L2K 073 ... ..- 2-pack HS mixture paint -L2K 074 ... ..- ...

Aquaplus system (pearlescent and heliochrome)
Designation: Pearlescent waterborne base coat -LPW 040 ...- Heliochrome waterborne base coat -LHW 046 ...- ...

Other materials:

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