PPG SigmaGuard 750

Part A: UN1263 (Class:3, Pk Grp: II), Part B: UN3077 (Class: 9, Pk Grp: III)
A two component, moisture curing, zinc rich silicate coating used as a tank coating to provide excellent solvent and chemical resistance.
Available in 20 Litres in Grey
£572.48 £477.07
In stock
Product Description

PPG SigmaGuard 750 is a two component, moisture curing, zinc rich silicate coating used as a tank coating to provide excellent solvent and chemical resistance in harsh conditions.

SigmaGuard 750 can be used as a tank coating or as a system primer, part of various paint systems based on unsaponifiable binders.

Best Uses

PPG SigmaGuard 750 is best used to provide corrosion protection to tanks that are exposed to adverse weather conditions on a daily basis. SigmaGuard 750 can withstand extreme temperatures of up to -90°C right up to 400°C, providing the atmospheric conditions are normal. Resistant to jet fuel and kerosene.


PPG SigmaGuard 750 can be applied easily using air or airless spray once the two components have been mixed together following careful instructions. SigmaGuard 750 is extremely fast drying and provides users with a touch dry finish after just 30 minutes at 20°C. SigmaGuard 750 has a theoretical coverage rate of 8.7m2 per litre, suitable for the coating of tanks.

Surface and Environment

PPG SigmaGuard 750 is designed to withstand tough weather conditions and extremely adverse temperatures on an exterior basis. This product offers a grey, flat finish, with a high level of abrasion and impact resistance.

Technical Details


  • Norsok M-501 System 3G


  • A two component moisture curing zinc rich (ethyl) silicate coating
  • Used as a tank coating with excellent solvent and chemical resistance
  • To be used as tank coating or as a system primer in various paint systems based on unsaponifiable binders
  • Can withstand substrate temperatures from -90°C

Technical Info

Components: Two Part
Type: Moisture Curing Zinc Rich Ethyl Silicate
Finish: Flat
Stock Colours: Grey
Tintable: No
VOC Content: 452.0g per Litre
Volume Solids: 65%
Suitable Substrates: For steel
Application Method: Brush, Roller, Air Atomised Spray or Airless Spray
Theoretical Coverage: 8.7 m2 per litre at 75 microns
Wet Film Thickness (WFT):  
Dry Film Thickness (DFT): 75 - 100 microns
Induction Time: -
Pot Life: 12 hours at 20°C
Touch Dry: 30 minutes at 20°C
Overcoatable: After 12 hours at 20°C
Fully Cured: 12 hours at 20°C
Cleaner / Thinner: PPG Thinner 90-53
Shelf Life: Binger: 9 months, Pigment: 24 months when stored dry and cool
Packaging: Available in 20 Litres

The manufacturers data sheets are available for download from this website. It is your responsibility to read and understand all aspects of the data sheets before you place an order and prior to application. Please pay special attention to the preparation, mixing and application temperatures of the product, cleaning of substrate and environmental factors such as temperature, rain etc. Quoted coverage rates are based on the manufacturers theoretical rates and may vary depending upon substrates absorption, texture and application. We always recommend a test is carried out to ensure suitability.

Customer further agrees that Promain have no liability for any errors or omissions contained within the Product Data Sheets and are not liable for failure due to misapplication or inadequate substrate cleaning and preparation. For more information please refer to our Terms & Conditions.

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