DescriptionPPG SigmaTherm 350 is a heat-resistant silicone/acrylic finish, featuring excellent resistance against weathering and a minimum drying time of 3 days at 20°C (68°F) should be allowed before exposure to heat.PRINCIPAL CHARACTERISTICSExcellent 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 conditionsThermal 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-Sa2½, blasting profile 40 – 70 µm (1.6 – 2.8 mils).Substrate temperature and application conditionsSubstrate temperature during application should be at least 3°C (5°F) above dew point. INSTRUCTIONS FOR USEBy using a mist coat technique, it is possible to apply SIGMATHERM 350 on top of a zinc silicate primerPower agitate to uniform consistency.Contact us at Morven Industrial Ltd to place an order for PPG Sigmatherm 350. Click on this link to download the technical data sheet of PPG Sigmatherm 350. Our technical team is available to provide every technical support needed.
