VW Polo manuals

Volkswagen Polo Service & Repair Manual: Two-Part Wash Primer

Definition:
Two-Part Wash Primer -LHV 043 000 A2-
Edition 10/2010
Product Description
The two-part wash primer is a zinc chromate-free, phenol-free and acid-free two-component wash primer from our PVB system.
Passivizing properties provide excellent protection against corrosion.
For metallic base surfaces, especially for aluminum and galvanized sheet steel
Simple processing properties
Olive gray
Application Instructions
Base Surface
Suitable base surfaces:
Bare sheet steel, cleaned and sanded
Cleaned and sanded, galvanized/electrolytically zinced sheet steel or soft aluminum
Sanded factory primer
Thoroughly sanded old primer or factory primer (excluding thermoplastic coating)
Surfaces prepared with two-part polyester products and then sanded very fine.
   
Pre-treatment of base surfaces:
–  Carefully clean using Silicone Remover -LVM 020 000 A5- or Silicone Remover, Long -LVM 020 100 A5-.
 

Two-Part Wash Primer

–  Clean and sand factory or old paint, eliminate any potential rust areas, and sand transitions to old paint.
 

Two-Part Wash Primer

–  Use a suitable cleaning agent before reworking to ensure a clean and residue-free surface.
 

Two-Part Wash Primer

Processing
Mixture ratio:
–  1:1 by volume with Two-Part Additional Solution -LHA 004 000 A2-
Curing Time:
–  Adjustment for spraying 8 to 10 hours at +20 °C (68 °F)
  Note
Set material must be processed on the same day.
 

Two-Part Wash Primer

Application type “coat”
 

Two-Part Wash Primer

–  Processing viscosity 4 mm for +20 °C (68 °F), German Industry Standardization 53211
Processing viscosity 4 mm gravity feed spraygun “Compliant” and “HVLP”:
DIN 4 mm: 16 to 18 seconds
 

Two-Part Wash Primer

–  Set spray nozzle (see manufacturer's information): “Compliant” 1.2 to 1.4 mm.
–  Set spray nozzle (see manufacturer's information): “HVLP” 1.3 to 1.5 mm.
–  Set spray pressure (see manufacturer's information): “Compliant” to 2.0 to 2.5 bar.
–  Set atomizing pressure (see manufacturer's information): “HVLP” 0.7 bar.
 

Two-Part Wash Primer

–  The prescribed layer thickness is 8 to 12 µm.
 

Two-Part Wash Primer

Drying
Air dry at +20 °C (68 °F) room temperature, can be sprayed over after 30 minutes.
  WARNING
Due to possible adhesion impairment, forced drying and IR drying are not possible.
 

Two-Part Wash Primer

Reworking
Can be sprayed over with two-part HS filler at +20 °C (68 °F) after ventilation time.
Afterwards, can be painted over with:
Water-based base paint and two-part HS clear coat
Two-Part HS Top Coat
  Caution
Do not rework with polyester products, epoxy products or water soluble products.
Do not apply to thermoplastic coatings.
Do not rework directly with water-based base paint or two-part top coat.
 

Two-Part Wash Primer

Personal Protective Equipment:
Note the safety data sheets
Wear the personal protective equipment during application
Characteristics
 

Two-Part Wash Primer

Delivery Viscosity at least 60 seconds
Flashpoint: above +23 °C (73.4 °F)
VOC value: 2004/42/IIB(c)(780)780 The EU limit for this product (product category IIB.c) in ready-to-use form is a maximum of 780 g/L volatile organic compounds. The VOC value of this product in ready-to-use form is a maximum of 780 g/L.
 
  Note
The yield was calculated taking into account the recommended layer thickness and the procentual proportion of solid material (without thinner). The corresponding processing losses were not taken into account.
   
Storage
Guaranteed shelf life of 24 months from date of manufacture. Use no later than the date indicated on the label and store in original container at +20 °C (68 °F).
 

Two-Part Wash Primer

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