VW Golf manuals

Volkswagen Golf Service & Repair Manual: 1-pack wash primer

Designation:
  1-pack wash primer -LVM 044 007 A2-, light grey
  1-pack wash primer -LVM 044 171 A2-, dark grey
Issued 08.2013
Product description
The 1-pack wash primer is a zinc chromate-free single-pack product suitable for all commonly found metallic substrates.
  Suitable for all common metallic substrates
  VOC compliant with good corrosion protection
  Easy-to-use one-pack product
  Has welding certificate.
  Available in light grey and dark grey
Technical data sheet
Substrate
Suitable substrates:
  Steel
  Cleaned and sanded electroplated or roller-galvanised steel panels or soft aluminium
  Lightly sanded factory primer (not for large surfaces of lightly sanded electrophoretic primer of new parts)
  Well-sanded factory paint or old paint (with the exception of thermoplastic paint)
  Surfaces prepared with 2-pack polyester products and then finely sanded
  Note
Owing to the wide variety of metal alloys and manufacturing processes, it is essential to carry out a preliminary test on the respective substrate to ensure that the pretreatment is sufficient to guarantee perfect adhesion.
   
Substrate pre-treatment:
–  Thoroughly clean with silicone remover -LVM 020 000 A5- or slow-drying silicone remover -LVM 020 100 A5-.
 

1-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.
 

1-pack wash primer

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

1-pack wash primer

Application
Thinner:
  2-pack thinner -LVE 009 001 A5-
  2-pack thinner plus -LHA 014 000 A5-
  2-pack thinner, special -LVM 009 200 A2/A5-
  2-pack thinner, slow-drying -LVM 009 300 A2- (for large objects and high temperatures)
Method of application: “spray”.
 

1-pack wash primer

–  Application viscosity 4 mm, at +20°C, DIN 53211 is the mixing viscosity.
Add 50% thinner at a material temperature of +20 °C
 

1-pack wash primer

–  If thinner is added, use measuring stick to mix.
Application viscosity 4 mm, gravity-feed spray gun “compliant” and “HVLP”:
DIN 4 mm: 18-20 seconds
ISO 4 mm: 36-45 seconds
 

1-pack wash primer

–  Adjust spray nozzle following manufacturer's instructions to 1.3-1.5 mm for “compliancy” and “HVLP”.
–  Adjust spray pressure following manufacturer's instructions to 2.0-2.5 bar for “compliancy”.
 

1-pack wash primer

–  When using as wash primer, apply one spray coat.
–  The specified thickness for the dry film is 10-15 µm.
  Note
Small bare-metal spots may be isolated using waterborne base coat or 2-pack HS top coat only with wet-on-wet application or with intermediate sanding on top of 1-pack wash primer -LVM 044 007 A2-/-LVM 044 171 A2- if the bare-metal spot is not greater than 5.0 cm in diameter.
 

1-pack wash primer

Flash-off time at +20 °C ambient temperature, recoat after:
  10-15 minutes with 2-pack HS surfacer.
  20-30 minutes with waterborne base coat (only for small bare-metal spots)
  10-15 minutes with 2-pack HS top coat (only for small bare-metal spots)
  Dry for sanding in 45-60 minutes
 

1-pack wash primer

Recoating
 

1-pack wash primer

Application Recoat with
As wash primer 2-pack HS surfacer
as wash primer with intermediate sanding Wet sand with P800 to P1000-grade paper
 
Recoat with:
  Waterborne base coat and 2-pack HS clear coat (only for small bare-metal spots).
  2-pack HS top coat (only for small bare-metal spots).
  Caution
Do not recoat with polyester products.
Do not use on thermoplastic paint.
Do not recoat with epoxy products.
Do not recoat with water-based products.
Cannot be dry sanded.
   
Personal protective equipment:
  Adhere to the safety data sheet.
  Wear personal protective equipment during application.
Data
 

1-pack wash primer

Viscosity as supplied At least 60 seconds
Flash point: Above +23 °C
VOC content: 2004/42/IIB(c)(780)760 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. 760 g/l.
Storage
The 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.
 

1-pack wash primer

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