VW Polo manuals

Volkswagen Polo Service & Repair Manual: Two-Part HS Optimum Clear Coat

Definition:
Two-Part HS Optimum Clear Coat -LZK 769 K02 A5-
Edition 10/2012
Product Description
Two-part HS optimum clear coat is a VOC compliant (VOC value less than 420 g/L), high-quality and productive high solid clear coat.
Properties:
Easy and economical processing
Very good spreading properties
Dries very quickly
Very good IR drying
Quick and easy to polish
High-gloss result
Application Instructions
Base Surface
Suitable preliminary coatings:
Water-based base paints
   
Processing
Mixture ratio:
–  3:1 by volume with:
Two-Part VHS Hardener -LHA 009 051 A2-/-LVM 009 051 A5-
Two-Part VHS Hardener, Short -LHA 009 050 A2-
Two-Part VHS Hardener, Long -LHA 009 052 A2-/-LHA 009 052 A3-
Two-Part VHS Hardener, Extra Long -LHA 009 053 A2-
See technical application information for the two-part VHS hardener. Refer to → Chapter „Two-Part VHS Hardener and Two-Part VHS Performance Hardener“.
For elastification → Anchor.
 

Two-Part HS Optimum Clear Coat

Processing time/pot life:
–  Ready to spray in 80-100 minutes at +20 °C (68 °F)
 

Two-Part HS Optimum Clear Coat

Application type “coat”
 

Two-Part HS Optimum Clear Coat

–  Processing viscosity at +20 °C (68 °F) material temperature is the mixing viscosity for “Compliant” and “HVLP”.
 

Two-Part HS Optimum Clear Coat

–  Set spray nozzle (see manufacturer's information): “Compliant” 1.2 to 1.3 mm.
–  Set spray nozzle (see manufacturer's information): “HVLP” 1.3 to 1.4 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 HS Optimum Clear Coat

–  Apply 1.5 coats.
  Note
During the spray application process, the first half spray application should form a thin, nearly complete film upon which a fully-completed spray application can be applied.
–  The recommended dry layer thickness is between 45 and 55 µm.
 

Two-Part HS Optimum Clear Coat

Drying
Air dry at +20 °C (68 °F) room temperature:
Dust dry after 40 to 50 minutes
Ready for assembly after 4 to 6 hours
Dry overnight
  Two-Part HS Optimum Clear Coat
Final drying time with forced drying is a minimum of 5 to 10 minutes.
 

Two-Part HS Optimum Clear Coat

Forced drying at +60 °C (140 °F) object temperature with:
Two-Part VHS Hardener -LHA 009 051 A2-/-LVM 009 051 A5- for 20 to 25 minutes.
Two-Part VHS Hardener, Short -LHA 009 050 A2- for 15 to 20 minutes.
Two-Part VHS Hardener, Long -LHA 009 052 A2-/-LHA 009 052 A3- for 20 to 30 minutes.
Two-Part VHS Hardener, Extra Long -LHA 009 053 A2- for 25 to 35 minutes.
 

Two-Part HS Optimum Clear Coat

Final drying time for IR drying is a minimum of 5 to 10 minutes.
 

Two-Part HS Optimum Clear Coat

IR dry with short-wave heater for 8 to 12 minutes
 

Two-Part HS Optimum Clear Coat

Special Instructions
Elastification for rigid and semi-rigid plastics:
The base material must first be mixed with 15 % Elastic Additive -ALZ 011 001-.
Mixing two-part VHS hardeners, 3:1 with 5 % thinner (drying extends this).
 

Two-Part HS Optimum Clear Coat

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

Two-Part HS Optimum Clear Coat

Flashpoint: above +23 °C (73.4 °F)
VOC value: 2004/42/IIB(d)(420)420 The EU limit for this product (product category IIB.b) in ready-to-use form is a maximum of 420 g/L volatile organic compounds. The VOC-value of this product in ready-to-use form is a maximum of 420 g/L.
 
     
Storage
The guaranteed shelf life of Two-Part HS Optimum Clear Coat -LZK 769 K02 A5- is 48 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).
 

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