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

Designation:

2-pack HS Performance surfacer -LVM 014 100 A4-, white

2-pack HS Performance surfacer -LVM 014 173 A4-, dark grey

2-pack HS Performance surfacer -LVM 014 190 A4-, anthracite

Issued 07.2013

Product description

2-pack HS Performance surfacer is a very high-grade two-pack HS sanding surfacer based on acrylic resins.

Properties:

Fast-drying

Very good spraying properties

Excellent vertical stability

Very easy to sand

High non-volatile content results in very good coverage

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-.

Then lightly sand.

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

Note It is recommended to mix 2-pack HS Performance surfacer -LVM 014 ...- in a mixing machine.

Application

Mixing ratio:

5:1 by volume with:

2-pack VHS Performance hardener -LVM 009 038 A2-

2-pack VHS Performance hardener, slow-drying -LVM 009 039 A2-

(For very high technical durability)

Note

Mixing by weight is possible with the help of Wizard Plus.

Observe national explosion prevention guidelines.

For elasticization, see → Anchor

Application time/pot life:

Ready for spraying, 45-75 minutes at +20 °C (depending on the hardener and thinner 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-

Method of application: “spray”.

Application viscosity 4 mm, +20 °C, DIN 53211

Application viscosity 4 mm, gravity-feed spray gun “compliant” and “HVLP”.

Add 10-15% VHS Performance hardener at material temperature +20 °C.

If hardener is added, use measuring stick to mix.

Adjust spray nozzle following manufacturer's instructions to 1.4-1.8 mm for “compliancy”.
Adjust spray nozzle following manufacturer's instructions to 1.7-1.9 mm for “HVLP”.
Adjust spray pressure following manufacturer's instructions to 1.5-2.0 bar for “compliancy”.
Adjust atomising pressure following manufacturer's instructions to 0.7 bar for “HVLP”.

One to three spray coats (with intermediate flash-off time) are necessary to attain the recommended dry-film thickness of 60-250 µm.

Drying

The material can be sanded after 2-3 hours (film thickness of 60-150 µm and air drying at +20 °C ambient temperature). If a film thickness of 150-250 µm was applied, allow the material to dry overnight before sanding.

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

Force drying at +60 °C material temperature up to 60-150 µm, 15-20 minutes, and 150-250 µm 20-25 minutes.

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

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

Further steps

Dry sand using orbital sander with P500 to P600-grain sandpaper and dust collector.

Wet sand with P800 to P1000-grain sandpaper.

Recoating

Recoat with:

Waterborne base coat and 2-pack HS clear coat

2-pack HS top coat

Special notes

Elasticization for rigid and semi-rigid plastics:

First mix the base material with 15% elastic additive -ALZ 011 001-. Mixing ratio 4:1 with VHS Performance hardeners and 10% thinner.

Any substrate defects can be treated with 2-pack polyester filler. After drying and intermediate sanding, isolate the filler patches with 2-pack HS Performance surfacer.

When isolating certain spots - even on problem substrates - the best results are achieved with a medium film thickness of 80-120 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.

A minimum temperature of +15 °C is recommended for air drying.

Personal protective equipment:

Adhere to the safety data sheet.

Wear personal protective equipment during application.

Data

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:

2-pack HS Performance surfacer -LVM 014 ...-, 24 months from production date.

2-pack VHS Performance hardener -LVM 009 038 A2-, 12 months from production date.

2-pack VHS Performance hardener, slow-drying -LVM 009 039 A2-, 36 months from production date.

May be used until the date stated on the label at latest if stored in sealed original containers at +20 °C.