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

Volkswagen Polo Service & Repair Manual / General Paint Information / Original Products / Clear Coats / 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

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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