VW Golf manuals

Volkswagen Golf Service & Repair Manual: 2-pack wash primer

Designation:
  2-pack wash primer -LHV 043 000 A2-
Issued 10.2010
Product description
The 2-pack wash primer is a zinc chromate-free, phenol-free, acid-curing two-pack wash primer from our PVB system.
  Passivation qualities provide excellent corrosion protection
  For all metal substrates, in particular for aluminium and galvanised steel panels
  Easy to apply
  Colour: olive grey
Technical data sheet
Substrate
Suitable substrates:
  Bare sheet steel, cleaned and sanded
  Cleaned and sanded electroplated or roller-galvanised steel panels or soft aluminium
  Lightly sanded factory primer
  Well-sanded factory paint or old paint (with the exception of thermoplastic paint)
  Surfaces prepared with 2-pack polyester products and then finely sanded
   
Substrate pre-treatment:
–  Thoroughly clean with silicone remover -LVM 020 000 A5- or slow-drying silicone remover -LVM 020 100 A5-.
 

2-pack wash primer

–  Clean and lightly sand factory paint or old paint, completely remove any rust spots and sand feather edges to the old paint.
 

2-pack wash primer

–  Before recoating, use a suitable cleaning agent to ensure a clean surface free of residues.
 

2-pack wash primer

Application
Mixing ratio:
–  1:1 by volume with 2-pack additive solution -LHA 004 000 A2-
Pot life:
–  Ready-to-spray preparation approx. 8-10 hours at +20 °C
  Note
Mixed material must be used the same day.
 

2-pack wash primer

Method of application: “spray”.
 

2-pack wash primer

–  Application viscosity 4 mm, +20 °C, DIN 53211
Application viscosity 4 mm, gravity-feed spray gun “compliant” and “HVLP”:
DIN 4 mm: 16-18 seconds
 

2-pack wash primer

–  Adjust spray nozzle following manufacturer's instructions to 1.2-1.4 mm for “compliancy”.
–  Adjust spray nozzle following manufacturer's instructions to 1.3-1.5 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”.
 

2-pack wash primer

–  The specified thickness for the dry film is 8-12 µm.
 

2-pack wash primer

Drying
Air drying at +20 °C ambient temperature, may be resprayed after 30 minutes
  WARNING
Force drying and infrared drying are not possible because they can cause intermediate adhesion problems.
 

2-pack wash primer

Recoating
After flash-off period at +20 °C, may be resprayed with 2-pack HS surfacer.
It can then be overpainted with:
  Waterborne base coat and 2-pack HS clear coat
  2-pack HS top coat
  Caution
Do not recoat with polyester products, epoxy products or water-based products.
Do not use on thermoplastic paint.
Do not directly overpaint with waterborne base coat or 2-pack HS top coat.
 

2-pack wash primer

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

2-pack wash primer

Viscosity as supplied At least 60 seconds
Flash point: Above +23 °C
VOC content: 2004/42/IIB(c)(780)780 The EU limit value for this product (product category IIB.c) in ready-to-spray form is max. 780 g/litre of volatile organic compounds. The VOC content of this product in ready-to-spray form is max. 780 g/l.
 
  Note
Coverage was calculated on the basis of the recommended coat thickness and the percentage by volume of non-volatile material (without added thinner). The respective loss during application was not taken into account.
   
Storage
Guaranteed shelf life is 24 months from date of production. May be used until the date stated on the label at latest if stored in sealed original containers at +20 °C.
 

2-pack wash primer

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