VW Golf manuals

Volkswagen Golf Service & Repair Manual: 2-pack HS mixture surfacer

Designation:
  2-pack HS mixture surfacer -LGF 810 150 A4-, white
  2-pack HS mixture surfacer -LGF 810 151 A4-, black
  2-pack HS mixture surfacer -LGF 810 152 A4-, red
  2-pack HS mixture surfacer -LGF 810 153 A2-, yellow
  2-pack HS mixture surfacer -LGF 810 154 A2-, blue
  2-pack HS mixture surfacer -LGF 810 155 A2-, green
Issued 04.2013
Product description
2-pack HS mixture surfacer is an innovative coloured 2-pack HS surfacer system based on new generation acrylic resins.
The system comprises six coloured surfacers (white, black, yellow, red, green and blue). These may be mixed with each other using simple formulas.
This system is VOC compliant in all combinations.
Properties:
1 -  Can be used as an interior paint and can be applied “wet-on-wet” as surfacer
  Excellent, easy and versatile application
  Good levelling
  Very fast flash-off
  Very good top coat flow
  Excellent vertical stability
  Very high coverage
2 -  Suitable as sanding surfacer
  Good sanding properties
  Excellent filling power
  Very good drying properties
  Long pot life
Technical data sheet
Substrate
Suitable substrates:
  Sheet steel, electroplated or roller galvanized sheet steel or soft aluminium, cleaned, sanded and coated with 2-pack wash primer -LHV 043 000 A2- or 1-pack wash primer -LVM 044 007/171 A2-
  Finely sanded or unsanded, thoroughly cleaned, original factory primer
  Lightly sanded factory paint or old paint (except thermoplastic acrylics)
  Surfaces prepared with 2-pack polyester products and then finely sanded
  Cleaned and sanded UP-GF (fibreglass) surfaces, free of release agents
   
Substrate pre-treatment:
–  Thoroughly clean with silicone remover -LVM 020 000 A5- or slow-drying silicone remover -LVM 020 100 A5-.
 

2-pack HS mixture surfacer

–  Then lightly sand.
 

2-pack HS mixture surfacer

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

2-pack HS mixture surfacer

Application as interior paint
Mixing ratio:
–  2:1 by volume with:
  2-pack HS hardener -LHA 009 041 A3-
  2-pack HS hardener, fast-drying -LHA 021 004 A3-
  2-pack HS hardener, extra fast-drying -LHA 009 046 A2-
  2-pack HS hardener, slow-drying -LHA 009 047 A3-
  2-pack HS hardener, extra slow-drying -LHA 009 048 A3-
  2-pack HS hardener, special -LHA 009 049 A3-
 

2-pack HS mixture surfacer

Mixing ratio:
–  3:1 by volume with:
  2-pack VHS hardener, fast-drying -LHA 009 050 A2-
  2-pack VHS hardener -LHA 009 051 A2-/-LVM 009 051 A5-
  2-pack VHS hardener, slow-drying -LHA 009 052 A2-/-LHA 009 052 A3-
  2-pack VHS hardener, extra slow-drying -LHA 009 053 A2-
Application time/pot life:
–  Mixed for spraying, 50-60 minutes at +20°C (depending on the hardener used)
Additive:
Mixture surfacer additive -LZS 811 000 A2-
 

2-pack HS mixture surfacer

Method of application: “spray”.
 

2-pack HS mixture surfacer

–  Application viscosity 4 mm, +20 °C, DIN 53211
Application viscosity 4 mm, gravity-feed spray gun “compliant” and “HVLP”: 16-19 seconds
 

2-pack HS mixture surfacer

Add 20% HS hardener or 40% VHS hardener at material temperature +20 °C.
–  If hardener is added, use measuring stick to mix.
 

2-pack HS mixture surfacer

–  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 1.5-3.0 bar for “compliancy”.
–  Adjust atomising pressure following manufacturer's instructions to 0.7 bar for “HVLP”.
 

2-pack HS mixture surfacer

–  Three spray coats are necessary to achieve a dry-film thickness of 30-70 µm.
Depending on colour, more spray coats may be necessary.
  Note
When applied in the interior, no top coat is necessary.
 

2-pack HS mixture surfacer

Application as “wet-on-wet” surfacer
Mixing ratio:
–  2:1 by volume with:
  2-pack HS hardener -LHA 009 041 A3-
  2-pack HS hardener, fast-drying -LHA 021 004 A3-
  2-pack HS hardener, slow-drying -LHA 009 047 A3-
  2-pack HS hardener, extra slow-drying -LHA 009 048 A3-
 

2-pack HS mixture surfacer

Mixing ratio:
–  3:1 by volume with:
  2-pack VHS hardener -LHA 009 051 A2-/-LVM 009 051 A5-
  2-pack VHS hardener, slow-drying -LHA 009 052 A2-/-LHA 009 052 A3-
  2-pack VHS hardener, extra slow-drying -LHA 009 053 A2-
For elasticization, see → Anchor
 

2-pack HS mixture surfacer

Application time/pot life:
–  Mixed for spraying, 60 minutes at +20°C (depending on the hardener used)
Additive:
  Mixture surfacer additive -LZS 811 000 A2-
 

2-pack HS mixture surfacer

Method of application: “spray”.
 

2-pack HS mixture surfacer

–  Application viscosity 4 mm, +20 °C, DIN 53211
Application viscosity 4 mm, gravity-feed spray gun “compliant” and “HVLP”: 16-19 seconds
 

2-pack HS mixture surfacer

Add 20-30% HS hardener or 40-50% VHS hardener at material temperature +20 °C
–  If hardener is added, use measuring stick to mix.
 

2-pack HS mixture surfacer

–  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 HS mixture surfacer

–  One or two spray coats are necessary to achieve a dry-film thickness of 30 µm.
 

2-pack HS mixture surfacer

Flash-off time for “wet-on-wet” application before applying top coat at +20 °C ambient temperature:
  For waterborne base coats: 30-120 minutes
  For 2-pack HS top coat: 15-120 minutes
 

2-pack HS mixture surfacer

Fast spot-repair system
Flash-off time for “wet-on-wet” application before applying top coat at +20 °C ambient temperature:
  With 2-pack HS hardener, extra fast-drying -LHA 009 046 A2-: 15 minutes
  With 2-pack VHS hardener, fast-drying -LHA 009 050 A2-: 15 minutes
 

2-pack HS mixture surfacer

Mixture surfacer additive -LZS 811 000 A2- at material temperature +20 °C: 20-30% HS hardener or 40-50% VHS hardener
–  If additive is added, use measuring stick to mix.
 

2-pack HS mixture surfacer

Add 10% 2-pack thinner plus -LHA 014 000 A5- at +20°C material temperature.
–  If thinner is added, use measuring stick to mix.
 

2-pack HS mixture surfacer

Recoating
Recoat with:
  Waterborne base coat and 2-pack HS clear coat
  2-pack HS top coat
 

2-pack HS mixture surfacer

Application as sanding surfacer
Mixing ratio:
–  4:1 by volume with:
  2-pack HS hardener -LHA 009 041 A3-
  2-pack HS hardener, fast-drying -LHA 021 004 A3-
  2-pack HS hardener, extra fast-drying -LHA 009 046 A2-
  2-pack HS hardener, slow-drying -LHA 009 047 A3-
  2-pack HS hardener, extra slow-drying -LHA 009 048 A3-
 

2-pack HS mixture surfacer

Mixing ratio:
–  7:1 by volume with:
  2-pack VHS hardener, fast-drying -LHA 009 050 A2-
  2-pack VHS hardener -LHA 009 051 A2-/-LVM 009 051 A5-
  2-pack VHS hardener, slow-drying -LHA 009 052 A2-/-LHA 009 052 A3-
  2-pack VHS hardener, extra slow-drying -LHA 009 053 A2-
For elasticization, see → Anchor
 

2-pack HS mixture surfacer

Application time/pot life:
–  Mixed for spraying, 90-120 minutes at +20°C (depending on the hardener used)
Thinner:
  2-pack thinner -LVE 009 001 A5-
  2-pack thinner, slow-drying -LVM 009 300 A2-
  2-pack thinner plus -LHA 014 000 A5-
  2-pack thinner, special -LVM 009 200 A2/A5-
 

2-pack HS mixture surfacer

Method of application: “spray”.
 

2-pack HS mixture surfacer

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

2-pack HS mixture surfacer

Add 15% HS hardener or 25% VHS hardener at material temperature +20 °C.
–  If hardener is added, use measuring stick to mix.
 

2-pack HS mixture surfacer

–  Adjust spray nozzle following manufacturer's instructions to 1.3-1.7 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 HS mixture surfacer

–  Depending on the spray nozzle, two to four spray coats are necessary to achieve a dry-film thickness of 200 µm.
The maximum dry-film thickness for air drying is 200 μm.
The maximum dry-film thickness for force drying is 150 μm.
The maximum dry-film thickness of light-coloured paints for IR drying is 150 μm.
The maximum dry-film thickness of dark-coloured paints for IR drying is 120 μm.
 

2-pack HS mixture surfacer

Drying
The material can be sanded after 3-4 hours (film thickness of 60-150 µm and air drying at +20 °C ambient temperature).
If a film thickness of 150-200 µm was applied, allow the material to dry overnight before sanding.
 

2-pack HS mixture surfacer

Final flash-off time with force drying is at least 5-15 minutes.
 

2-pack HS mixture surfacer

Force drying at +60 °C material temperature, 60-150 µm 30-35 minutes.
 

2-pack HS mixture surfacer

Final flash-off time with infrared drying is at least 5-10 minutes.
 

2-pack HS mixture surfacer

Infrared drying (depending on film thickness): medium-wave radiant heater, 15 minutes and short-wave radiant heater, 10 minutes (dry 2 minutes at 50% power and 8 minutes at 100% power).
 

2-pack HS mixture surfacer

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

2-pack HS mixture surfacer

–  Wet sand with P800 to P1000-grain sandpaper.
 

2-pack HS mixture surfacer

Recoating
Recoat with:
  Waterborne base coat and 2-pack HS clear coat
  2-pack HS top coat
 

2-pack HS mixture surfacer

Special notes
Elasticization for rigid and semi-rigid plastics:
  First mix the base material with 15% elastic additive -ALZ 011 001-.
  For “wet-on-wet” application with 2-pack HS hardener, 2:1 or 30% mixture surfacer additive -LZS 811 000 A2-
  For “wet-on-wet” application with 2-pack VHS hardener, 3:1 or 40% mixture surfacer additive -LZS 811 000 A2-
  Application as “sanding surfacer” with 2-pack HS hardener 3:1 and 10% thinner
  Application as “sanding surfacer” with 2-pack VHS hardener 4:1 and 20% thinner
 

2-pack HS mixture surfacer

  The minimum flash-off time before the application of a waterborne base coat increases to 45 minutes at 20+ °C ambient temperature.
 

2-pack HS mixture surfacer

  Force drying (oven drying) increases to 45 minutes when used as a “sanding surfacer”.
  Any substrate defects can be treated with 2-pack polyester filler. After drying and intermediate sanding, isolate the filler patches with 2-pack HS mixture surfacer.
  When isolating certain spots - even on problem substrates - the best results are achieved with a medium film thickness of 60-120 μm in 2 coats, after either air drying overnight, force drying or infrared drying. With problem substrates, careful pretreatment is imperative, and the surfacer must be applied to the entire surface.
  For isolating thermoplastic paint, 2-pack HS Vario surfacer -LGF 786 004 A4-, grey is recommended.
  For air drying, a minimum temperature of +8-15 °C and the use of 2-pack HS hardener, extra fast-drying -LHA 009 046 A2- is recommended.
 

2-pack HS mixture surfacer

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

2-pack HS mixture surfacer

Viscosity as supplied Thixotropic
Flash point: Above 23 °C
VOC content: 2004/42/IIB(c)(540)540 The EU limit value for this product (product category IIB.b) in ready-to-spray form is max. 540 g/l of volatile organic compounds. The VOC content of this product in ready-to-spray form is max. 540 g/l.
Storage
Guaranteed shelf life is 24 months from date of production and the guaranteed shelf life of mixture surfacer additive, 48 months. May be used until the date stated on the label at latest if stored in sealed original containers at +20 °C.
 

2-pack HS mixture surfacer

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