About Vitertherm HT600 Silicone Resin Based Heat Resisting Topcoat

ViterTherm HT600 HR Finish is a heat resistant, silicone resin based single pack finish.

Suitable for all types of manifold and exhaust systems

Good heat resistance properties up to 500ºC

Colours - Black Matt, Silver Semi-Gloss

Preparation

Surfaces to be coated must be clean, dry and free from any material such as oil, grease, salts and dirt that might affect adhesion.

Remove loose flaking or friable material. 

Where necessary, remove weld spatter and grind smooth all rough,sharp edges and weld seams.

Galvanised steel

Thoroughly degrease with Cleaner Degreaser (Product Reference H30 or ND14) and lightly abrade any very shiny areas. 

Mild Steel 

Degrease with a Cleaner Degreaser (Product Reference H30 or ND14) and either manually abrade or blast clean to Sa2½ (ISO 8501-1:2007)

If blast cleaning is not possible, phosphating is recommended for cold rolled steel to improve adhesion.

Phosphate Steel 

Degrease with Cleaner Degreaser (Product Reference H30 or ND14) and manually abrade prior to application of the Primer Coat

Stainless Steel

Degrease with Cleaner Degreaser (Product Reference H30 or ND14) and manually abrade. 

Aluminium and Alloys

Degrease with Cleaner Degreaser (Product Reference H30 or ND14) and manually abrade. 

The temperature of the ambient air, surface or paint should not fall below 5ºC during application or drying.

Application Conditions

Relative humidity should not exceed 80%. 

The surface temperature of the steel should remain at least 3ºC above the dew point.

Cold damp conditions will impair drying times and the final finish.

Recommended Finish Coats

Overcoat with itself only

Recommended Thinners 

950 Thinners

Coverage Rates

Recommended Film weight:Minimum WFT 50µm Maximum 75µm

Theoretical coverage rate: 13.0-20.0m² per litre

Application Methods

Vitertherm HT600 can be applied by the following methods.

Airless Spray: No

Conventional Spray: Yes

Brush: No 

Roller: No

Application Guidance 

Airless Spray - not recommended

Conventional Spray Thin to 20-30 seconds BS B4 Cup.

Drying times at a WFT at 86µm and 23ºC 

Flash Off : 5-10 minutes 

Air Dry: 20 minutes

Hard Dry: 4h 

Cleaning Tools and Equipment

Clean equipment with 950 Thinner after use

% Volume Solids : 15-22%

VOC content : 630-727g / litre depending on colour

Safe use

This product is formulated for professional use. 

Please ensure suitable and appropriate personal protective equipment is worn during handling and application.

For more detail please consult the Product Datasheet.

Please contact us for the Health and Safety Datasheet.