Description
SIGMATHERM 350 Sigma Protective and marine coatings
Hellog Energy and Equipment is a supplier and distributor of Sigma Marine coatings in Nigeria. Our SIGMATHERM 350 Sigma Protective and marine coatings is a one-component heat-resistant silicone/acrylic finish. Suitable for infrastructure development chemical and petrochemical plants, offshore applications.
Product characteristics of SIGMATHERM 350 Sigma Protective and marine coatings
- Excellent resistance against weathering
- A minimum drying time of 3 days at 20°C (68°F) should be allowed before exposure to heat
- Heat-resistant up to 350°C (660°F)
- To be used for the internal and external protection of steel surfaces
- Widely compatible with inorganic zinc primers
RECOMMENDED SUBSTRATE CONDITIONS AND TEMPERATURES
Substrate conditions
- Thermal aluminum sprayed steel or thermal zinc sprayed steel must be dry and free from any contamination
- Suitable coating (zinc silicate primer) must be dry, free from any contamination and zinc salts
- Steel; blast cleaned to a minimum of ISO-Sa21⁄2, blasting profile 40 – 70 μm (1.6 – 2.8 mils)
• Substrate temperature during application should be at least 3°C (5°F) above dew point
INSTRUCTIONS FOR USE
- By using a mist coat technique, it is possible to apply SIGMATHERM 350 on top of a zinc silicate primer
- Power agitate to uniform consistency.
For Air Spray;
Recommended thinner; No thinner should be added
Nozzle orifice; 1.5 – 2.0 mm (approx. 0.060 – 0.079 in)
Nozzle pressure; 0.3 – 0.4 MPa (approx. 3 – 4 bar; 44 – 58 p.s.i.)
For Airless spray;
Recommended thinner; No thinner should be added
Nozzle orifice; Approx. 0.38 – 0.48 mm (0.015 – 0.019 in)
Product Technical Datasheet Download
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