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Volkswagen Golf Service & Repair Manual: Permanent underbody protection -D 314 D38 M2-, light

Permanent underbody protection -D 314 D38 M2-, light
Issued 02.2010
Product description
Permanent underbody protection -D 314 D38 M2- is a light, transparent, non-hiding compound based on an aqueous synthetic resin dispersion which can be sprayed on using a UBS, paint or filler gun.
Drying time depends on the coat thickness as well as the ambient temperature and humidity. Good ventilation and higher temperatures accelerate drying.
The dried film adheres well to sheet metal, which is galvanised or coated with electrophoretic primer, as well as to painted substrates. Due to the great resistance to abrasion and flexibility under cold conditions, permanent underbody protection exhibits excellent stone-chipping protection.
The permanent underbody protection can be quickly worked on or overpainted with water-based paints.
After air drying about 2 to 3 hours, the material can be overpainted with conventional solvent-based paint systems as well.
The permanent underbody protection may be pigmented and mixed with water-based paints and may be thinned with demineralised water. When adding pigment, up to 30% by volume ready-to-spray water-based paint may be added.
The mixing ratio, spray pressure and spray distance may be varied to achieve smooth surfaces or fine or coarse structures.
The material is only temporarily resistant to naphtha and cold cleaners.
Permanent underbody protection -D 314 D38 M2- is suitable for repairing underbodies, wheel housings, and front end and rear ends and can be applied to visible parts such as door sills as paintable protection against stone chipping, road salt and corrosion due to moisture.
The material is suitable for repairing various surface structures following repairs to all sorts of vehicles.
The variable options for pigmentation offer a special advantage. Any scratches and stone chipping are thus rendered as inconspicuous as possible.
Before using, read the safety measures and recommendations in the safety data sheet.
Even for products which are not required by law to be labelled, the usual safety measures for chemical products must be observed.
The surfaces to be treated must be cleaned thoroughly beforehand, and any rust must be removed.
The surfaces must be dry and free of dirt, dust and grease.
Surfaces which are not to be coated should be covered with paper.
Bare steel surfaces are to be primed before application of permanent underbody protection.
Permanent underbody protection may be applied to all common sealing materials except silicone and exhibits good adhesion.
Sealants containing softeners may cause the surface of permanent underbody protection to soften or exhibit slight stickiness. However, the material will not lose its adhesive property as a result.
Shake the can thoroughly before use.
Permanent underbody protection must not be applied with rusty filler guns or paint guns. The material may be thinned with up to 10% by volume distilled or demineralised water to achieve the required viscosity.
The first coat should not be applied too heavily (
spray pass).
The Permanent underbody protection can be mixed with up to 30% by volume ready-to-spray water-based paints.
To recreate common structures, best results will be achieved with 10-15% ready-to-spray paint mixture.
The material should be filtered through a paint sieve before application.
Do not spray onto joints, engine, propshaft, exhaust, catalytic converter or brake system.
Blow out the UBS gun immediately after use and then clean it with plastic cleaner -D 195 850 A1-D 195 850 A1.
If the UBS gun becomes blocked, the can may burst.
Observe the operating instructions of the UBS gun.
Permanent underbody protection can be overpainted with both water-based and solvent-based paints. Due to the large number of systems available in the market, test spraying is necessary.
1 -  Overpainting with water-based paints:
–  After drying to a matt surface and up to 72 hours following application, permanent underbody protection can be overpainted using water-based paints.
2 -  Overpainting with conventional solvent-based paints:
–  After drying thoroughly and up to 72 hours following application, permanent underbody protection can be overpainted using solvent-based paints. The material is a fast-drying thick-coat system. When accelerating drying with forced air, ensure that the fast-developed skin is not blown away over the still-wet material on which it is floating. This can cause cracking in the finish.
Splashes on painted surfaces should be removed immediately using plastic cleaner -D 195 850 A1-.
Equipment and soiled parts must be cleaned with water immediately after application, if necessary using a water-based cleaning agent. Do not use any solvent-based cleaning agents, for these cause coagulation. After drying, permanent underbody protection can only be removed mechanically.
Technical data
Technical data:
Colour White, non-hiding
Odour slight ammonia odour
Density Approx. 1.25 g/cmі
Solids content Approx. 70%
Viscosity 1 Pas
Test equipment Rheomat STV
Test method Rotor 30
Speed 200 rpm
Stability up to 1 mm wet
Working temperature +10 °C to +25 °C
Use temperature -25 °C to +80 °C (+100 °C briefly up to 1 hour)
Guaranteed shelf life is 12 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.

Permanent underbody protection -D 314 D38 M2-, light

Storage conditions
The recommended storage temperature for permanent underbody protection is +10 °C to 25 °C.
Permanent underbody protection is sensitive to freezing; storage temperature must not drop below +5 °C.

Permanent underbody protection -D 314 D38 M2-, light

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