VW Golf manuals

Volkswagen Golf Service & Repair Manual: Aqua Premium blending system

Designation:
Blending additive for Aqua Premium -LVM 035 100 A3-
Issued 10.2012
Product description
To attain visually perfect colour transition in blending area or to adjacent parts such as wings or doors.
Technical data sheet
Substrate
Suitable substrates:
Surfaces coated with primer or surfacer (2-pack HS surfacer)
Intact old paint
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-.
 

Aqua Premium blending system

–  Dry sand using orbital sander with P500-grade paper and dust collector or wet sand using P800 to P1000-grade waterproof paper.
 

Aqua Premium blending system

–  An extensive section of the adjacent area or parts surrounding the repair area must be thoroughly but lightly sanded with P1000 to P3000-grade sandpaper or an emery pad (e.g. ultrafine). Use an emery pad to sand swage lines, edges or door-handle recesses during preparation work.
 

Aqua Premium blending system

–  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.
 

Aqua Premium blending system

–  Allow the moisture on substrates which have been wet-sanded or cleaned to evaporate completely.
Tack cloths of the latest generation with an effective adhesion formula, e.g. duster -VAS 6177-) to minimise the risk of chemical or sticky residue → Chapter.
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-.
 

Aqua Premium blending system

Application, repair procedure
Blending in within the surface, e.g. side panel:
–  Preparing substrate → Anchor.
 

Aqua Premium blending system

–  Apply one or two full coats of blending additive for Aqua Premium -LVM 035 100 A3- at normal spraying pressure in the blending area surrounding the repair.
 

Aqua Premium blending system

–  The first spray coat of the mixed waterborne base coat is applied from the repair area to the edge of the wet blending additive. Half of the effect or finish spray coat is applied immediately over the wet blending additive at a greater spraying distance.
  Note
When doing this, ensure that the blending area is larger than the repair area and covers the wet blending additive for Aqua Premium -LVM 035 100 A3-.
  P00-10032
–  After flashing-off, apply a coat of 2-pack HS clear coat to the entire repair area.
  Note
Keep the material flow trigger of the spray gun completely open while applying Aqua Premium waterborne base coat.
The spray pressure for the effect coat may be varied between 1.5 and 2.0 bar depending on the size of the object.
 

Aqua Premium blending system

Blending in very small damage, e.g. Clever Repair:
–  Preparing substrate → Anchor.
  Note
The repair and/or surfacer area should be kept as small as possible.
Method »a«:
Ready-to-spray waterborne base coats are used for most colours.
Method »b« (recommended for colours with very high metal content):
Mix Aqua Premium waterborne base coat and blending additive for Aqua Premium -LVM 035 100 A3- in a 1:1 ratio with 10% Flop control -LWM 085 386 A2- (blending additive for Aqua Premium -LVM 035 200/301 ...- is not needed).
Use the Aqua premium measuring stick for Clever Repair to adjust the correct mixture.
 

Aqua Premium blending system

–  Depending on colour and opacity, this mixture is applied in 3 to 5 light spray coats with reduced pressure (0.8 to 1.5 bar) to the repair area and fade-out area.
  Note
Ensure that each spray coat is somewhat larger in area and flashed off until matt. Flash-off may be accelerated by blowing on it.
 

Aqua Premium blending system

–  After an appropriate final flash-off time, 2-pack HS clear coat can be applied.
 

Aqua Premium blending system

Blending in 3-stage colours:
–  Preparing substrate → Anchor.
 

Aqua Premium blending system

–  Apply the base coat mixed with 5% Aqua Premium hardener -LVM 045 000 A1- and, for solid colours 10% Additive for Aqua Premium -LVM 035 200 A3/LVM 035 300 ...-, or for effect colours mixed with 20% Additive for Aqua Premium -LVM 035 200 A3/LVM 035 300 ...- to the repair area and adjacent blending area until coverage is opaque.
  Note
It is recommended to spray a sample object.
Use the Aqua Premium measuring stick for three-stage colours to adjust the correct mixture.
Observe drying times.
 

Aqua Premium blending system

–  Apply one or two full coats of blending additive for Aqua Premium -LVM 035 100 A3- at normal spraying pressure to the fade-out area of the base colour or adjacent parts.
–  Paint should now be applied from the fade-out area towards the repair area. That means, apply the first coat of effect paint from the fade-out area towards the blending additive for Aqua Premium -LVM 035 100 A3- (“wet-on-wet”).
 

Aqua Premium blending system

–  Then apply the next coat of effect paint towards the repair area.
–  It is necessary to apply 2 to 3 additional spray coats of some effect paints to match the effect. Normal spray coats are applied “wet-on-wet” without intermediate flash-off.
  Note
It is recommended that all coats, starting with the first coat, are applied from the furthest blending area to the base colour in the repair area. This way, all subsequent coats remain within the previous coat to avoid visible edges or shadows.
To make it easier to evaluate the effect, it is recommended to spray a sample object before every spray coat application.
 

Aqua Premium blending system

–  After flashing-off, apply a coat of 2-pack HS clear coat to the entire repair area.
  Note
Keep the material flow trigger of the spray gun completely open while applying Aqua Premium waterborne base coat.
The spray pressure for the effect coat may be varied between 1.5 and 2.0 bar depending on the size of the object.
The use of stationary air diffusers or force drying, e.g. low baking, for efficient flash-off and drying processes is recommended.
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.
Health and safety
A respirator mask must be worn when applying water-based products.
 

Aqua Premium blending system

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