PRODUCT DATA SHEET December 10, 2014 (Revision of May 1, 2013)

SIGMATHERM™ 175

DESCRIPTION

Heat-resistant modified alkyd aluminum finish

PRINCIPAL CHARACTERISTICS
• Heat-resistant up to 175°C (350°F)
• High-brilliancy
• Spray application improves the appearance
• A minimum drying time of 3 days at 20°C (68°F) should be allowed before exposure to heat

COLOR AND GLOSS LEVEL

• Aluminum
• Gloss

BASIC DATA AT 20°C (68°F)

Data for mixed product

Number of components One

Mass density 1.0 kg/l (8.3 lb/US gal)
Volume solids 47 ± 2%
VOC (Supplied) Directive 1999/13/EC, SED: max. 411.0 g/kg
max. 417.0 g/l (approx. 3.5 lb/US gal)
Recommended dry film thickness 25 µm (1.0 mils) per coat
Theoretical spreading rate 18.8 m²/l for 25 µm (754 ft²/US gal for 1.0 mils)
Dry to touch 1 hour
Overcoating Interval Minimum: 16 hours
Maximum: Unlimited
Shelf life At least 24 months when stored cool and dry

Notes:
- See ADDITIONAL DATA – Overcoating intervals
- See ADDITIONAL DATA – Curing time

RECOMMENDED SUBSTRATE CONDITIONS AND TEMPERATURES

Substrate conditions
• Previous coat must be dry and free from any contamination

Substrate temperature and application conditions

• Substrate temperature during application should be at least 3°C (5°F) above dew point

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PRODUCT DATA SHEET December 10, 2014 (Revision of May 1, 2013)

SIGMATHERM™ 175

SYSTEM SPECIFICATION
• HEAT RESISTANT SYSTEMS – SYSTEM SHEET 3140

INSTRUCTIONS FOR USE

• Stir well before use
• The temperature of the paint should preferably be above 15°C (59°F), otherwise extra thinner may be required to obtain
application viscosity
• Adding too much thinner results in reduced sag resistance
• Adequate ventilation must be maintained during application and curing (please refer to INFORMATION SHEETS 1433 and
1434)

Air spray

Recommended thinner
THINNER 20-05

Volume of thinner
0 - 3%, depending on required thickness and application conditions

Nozzle orifice
1.8 – 2.0 mm (approx. 0.070 – 0.079 in)

Nozzle pressure
0.3 - 0.4 MPa (approx. 3 - 4 bar; 44 - 58 p.s.i.)

Airless spray

Recommended thinner
No thinner should be added

Nozzle orifice
Approx. 0.33 – 0.38 mm (0.013 – 0.015 in)

Nozzle pressure
12.0 - 15.0 MPa (approx. 120 - 150 bar; 1741 - 2176 p.s.i.)

Brush/roller

Recommended thinner
No thinner should be added

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PRODUCT DATA SHEET December 10, 2014 (Revision of May 1, 2013)

SIGMATHERM™ 175

Cleaning solvent
THINNER 20-05

ADDITIONAL DATA

Overcoating interval for DFT up to 25 µm (1.0 mils)

Overcoating with... Interval 5°C (41°F) 10°C (50°F) 20°C (68°F)

itself Minimum 36 hours 36 hours 16 hours

Maximum Unlimited Unlimited Unlimited

Curing time for DFT up to 25 µm (1.0 mils)

Substrate temperature Dry to touch

5°C (41°F) 3 hours

10°C (50°F) 3 hours
20°C (68°F) 1 hour

SAFETY PRECAUTIONS
• For paint and recommended thinners see INFORMATION SHEETS 1430, 1431 and relevant Material Safety Data Sheets
• This is a solvent-borne paint and care should be taken to avoid inhalation of spray mist or vapor, as well as contact between
the wet paint and exposed skin or eyes

WORLDWIDE AVAILABILITY

It is always the aim of PPG Protective and Marine Coatings to supply the same product on a worldwide basis. However, slight
modification of the product is sometimes necessary to comply with local or national rules/circumstances. Under these
circumstances an alternative product data sheet is used.

REFERENCES
• CONVERSION TABLES INFORMATION SHEET 1410
• EXPLANATION TO PRODUCT DATA SHEETS INFORMATION SHEET 1411
• SAFETY INDICATIONS INFORMATION SHEET 1430
• SAFETY IN CONFINED SPACES AND HEALTH SAFETY, EXPLOSION HAZARD – INFORMATION SHEET 1431
TOXIC HAZARD
• SAFE WORKING IN CONFINED SPACES INFORMATION SHEET 1433
• DIRECTIVES FOR VENTILATION PRACTICE INFORMATION SHEET 1434
• CLEANING OF STEEL AND REMOVAL OF RUST INFORMATION SHEET 1490
• SPECIFICATION FOR MINERAL ABRASIVES INFORMATION SHEET 1491
• RELATIVE HUMIDITY – SUBSTRATE TEMPERATURE – AIR TEMPERATURE INFORMATION SHEET 1650

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PRODUCT DATA SHEET December 10, 2014 (Revision of May 1, 2013)

SIGMATHERM™ 175

WARRANTY
PPG warrants (i) its title to the product, (ii) that the quality of the product conforms to PPG’s specifications for such product in effect at the time of manufacture and (iii) that the product shall be delivered free of the rightful claim of any
third person for infringement of any U.S. patent covering the product. THESE ARE THE ONLY WARRANTIES THAT PPG MAKES AND ALL OTHER EXPRESS OR IMPLIED WARRANTIES, UNDER STATUTE OR ARISING OTHERWISE IN
LAW, FROM A COURSE OF DEALING OR USAGE OF TRADE, INCLUDING WITHOUT LIMITATION, ANY OTHER WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE, ARE DISCLAIMED BY PPG. Any claim under this
warranty must be made by Buyer to PPG in writing within five (5) days of Buyer’s discovery of the claimed defect, but in no event later than the expiration of the applicable shelf life of the product, or one year from the date of the
delivery of the product to the Buyer, whichever is earlier. Buyer’s failure to notify PPG of such non-conformance as required herein shall bar Buyer from recovery under this warranty.

LIMITATIONS OF LIABILITY
IN NO EVENT WILL PPG BE LIABLE UNDER ANY THEORY OF RECOVERY (WHETHER BASED ON NEGLIGENCE OF ANY KIND, STRICT LIABILITY OR TORT) FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
DAMAGES IN ANY WAY RELATED TO, ARISING FROM, OR RESULTING FROM ANY USE MADE OF THE PRODUCT. The information in this sheet is intended for guidance only and is based upon laboratory tests that PPG believes to
be reliable. PPG may modify the information contained herein at any time as a result of practical experience and continuous product development. All recommendations or suggestions relating to the use of the PPG product, whether in
technical documentation, or in response to a specific inquiry, or otherwise, are based on data, which to the best of PPG’s knowledge, is reliable. The product and related information is designed for users having the requisite knowledge
and industrial skills in the industry and it is the end-user’s responsibility to determine the suitability of the product for its own particular use and it shall be deemed that Buyer has done so, as its sole discretion and risk. PPG has no
control over either the quality or condition of the substrate, or the many factors affecting the use and application of the product. Therefore, PPG does not accept any liability arising from any loss, injury or damage resulting from such
use or the contents of this information (unless there are written agreements stating otherwise). Variations in the application environment, changes in procedures of use, or extrapolation of data may cause unsatisfactory results. This
sheet supersedes all previous versions and it is the Buyer’s responsibility to ensure that this information is current prior to using the product. Current sheets for all PPG Protective & Marine Coatings Products are maintained at
www.ppgpmc.com. The English text of this sheet shall prevail over any translation thereof.

The PPG Logo, Bringing innovation to the surface., and all other trademarks herein are property of the PPG group of companies.

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