Volkswagen Touran Service Manual: Aqua Premium Application Instructions for Water-Soluble Products
| When working with water-soluble products, pretreat the base
surface very carefully and only with water-soluble products and
the recommended processing materials. |
| Pre-treatment of base surfaces: |
| Clean the metallic base surfaces preferably with Nitro
Thinner -LVE 856 000 A3-. |
| The sanded filler surfaces and old paint must be cleaned
with Silicon Remover -LSW 019 000 A2-. |
| Plastic surfaces must first be thoroughly pretreated
according to the
→ Chapter "Paint System for Plastic Parts" and before
they are further processed, cleaned again with the Silicon
Remover -LSW 019 000 A2-. |
| Use only commercially available water-resistant masking tape
and water-resistant, adhesive masking paper or plastic masking
films. |
| Sprayguns/Spraying Systems |
| Suitable spray guns are compliant spray guns. |
 Note
| Processing water-soluble and conventional products
alternately with a single spraygun/spraying system is not
advisable. Sprayguns/spraying systems for processing
water-soluble products must be constructed of corrosion
resistant materials (stainless steel, plastic). |
| Only plastic containers or inner-coated tin containers may
be used for mixing or viscosity adjustment of water-soluble
products. |
| Since the viscosity and the processing characteristics of
water-soluble products are dependent on the material
temperature, you must ensure that the water-soluble products
have a temperature of +18 C to +35 C (64.4 F to 95 F) at the
time they are processed/adjusted. |
| Processing water-soluble products is extensively influenced
through temperature and humidity. The influence can vary from a
restriction to a suspension of the application when the certain
requirements are not given or met. In the processing window for
water-soluble products the cornerstones/corner points are
determined. |
| For optimal handling when in different climatic conditions
and for different object sizes, the following climate chart
gives recommendations for using Additive for Aqua Premium - LVM
035 200 A3- or Additive for Aqua Premium -LVM 035 301 A3-. |
|
|
|
| Climate connections in
the spray booth |
Temperature range |
Relative humidity area |
LVM 035
200 |
LVM 035 301 |
| |
|
|
Partial resprays |
Complete resprays |
Partial resprays |
Complete resprays |
| Cold and dry climate |
20 C (68 F) |
15-30 % |
Partially suitable |
Not suitable |
Suitable |
Suitable |
| Average
climate |
20-30 C
(68 F-86F) |
less than 30 % |
Suitable |
Not suitable |
Suitable |
Suitable + 10 % Purified
Water - LVW 010 000- |
| 30-60 % |
Suitable |
Suitable |
Partially suitable |
Suitable |
| greater than 60 % |
Suitable |
Suitable |
Partially suitable |
Partially suitable |
| Hot Climate |
30- >35 C (86F-
>95F) |
30-60 % |
Suitable |
Partially suitable |
Partially suitable |
Suitable |
| Hot and wet climate
|
30- >35 C (86F-
>95F) |
greater than 60 % |
Suitable |
Suitable |
Not suitable |
Partially suitable |
| Hot and dry
climate |
30- >35 C (86F-
>95F) |
15-30 % |
Partially suitable |
Not suitable |
Suitable |
Suitable + 10 % Purified
Water - LVW 010 000- |
| 30- >35 C (86F- >95F) |
less than 15 % |
Not suitable |
Not suitable |
Partially suitable |
Partially suitable + 10 %
Purified Water - LVW 010 000- |
| The temperature and humidity ranges given in the table are
reference values and always depend on the local circumstances.
The air flow volume in the booth as well as the paint spray guns
(type and/or nozzle size) and the application itself can have a
large influence on the film build up and the quality of the
application. |
| Assuming that a processing temperature of + 20 C (68 F)
and above is ensured in a modern-equipped paint shop, other
measures regarding the humidity are still necessary if the
humidity is outside of the processing range. |
| Procedures for to High Relative Air Humidity. |
| As a result of too high humidity color shade deviations
cloudiness of metallic colors and insufficient stability on
vertical surfaces can occur. As a corrective measure the
temperature in the spray booth can be increased as long as it is
acceptable for the processor. Only insert the Additive for Aqua
Premium -LVM 035 200-. |
| Procedures for to Low Relative Air Humidity. |
| Results of too low of humidity are raised spray mist
formation and worsening spray mist characteristics. As a
corrective measure and if possible, lower the handling
temperature but it must not fall below + 18 C (34.4F). Only
insert the Additive for Aqua Premium -LVM 035 301-. |
| Drying Times and Reworking Times |
| The ventilation times for water-soluble products are
negatively affected by low temperatures and high humidity
between the painting applications and the final evaporating or
reworking times. The drying process between the individual spray
applications or prior to reworking can be accelerated by: |
| Increasing the amount of moisture-laden air that is
discharged by blowing with variable and stationary air blower
with and without dryer. |
|
|
|
| Personal Protective Equipment: |
| Note the safety data sheets |
| Wear the personal protective equipment during application |
|
|
|
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