Volkswagen Tiguan Service and Repair Manual: Two-Part HS Optimum Clear Coat

Definition:

• Two-Part HS Optimum Clear Coat -LZK 769 K02 A5-

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.

Processing time/pot life:

• Ready to spray in 80-100 minutes at +20 ºC (68 ºF)

Application type "coat"

• Processing viscosity at +20 ºC (68 ºF) material temperature is the mixing viscosity for "Compliant" and "HVLP".

• 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.

• 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 um.

Drying

Air dry at +20 ºC (68 ºF) room temperature:

• Dust dry after 40 to 50 minutes
• Ready for assembly after 4 to 6 hours
• Dry overnight

Final drying time with forced drying is a minimum of 5 to 10 minutes.

Forced drying at +60 ºC (140 ºF) 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.

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

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

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).

Personal Protective Equipment:

• Note the safety data sheets
• Wear the personal protective equipment during application

Characteristics

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 ºC (68 ºF).