PPG Hi-Temp 222G

UN1263 (Class: 3, Pk Grp: II)
A single component, high-build multi-polymeric composite heat resistant coating to prevent corrosion of insulated and non-insulated steel.
Available in 1 US Gallon in Flat Dark Grey
£402.46 £335.38
In stock
Product Description

Please note, this product has approximately a 10 working day lead time until delivery. Please contact our sales team for further details.

PPG Hi-Temp 222G is a single component, high-build multi-polymeric composite heat resistant coating to prevent corrosion of insulated and non-insulated carbon steel and stainless steel to temperatures up to 232°C (450°F) and for cryogenic service on stainless steel from -185°C to 232°C (-300°F to 450°F).

Best Uses

The PPG HI-TEMP 222 G coating prevents corrosion in insulated and non-insulated services for carbon and austenitic stainless steel over a temperature range from
–185°C to 232°C (–300°F to 450°F), even in thermal cycle and thermal shock conditions. Corrosion under insulation (CUI) is a major concerns leading to risk and high costs for refineries, petrochemical facilities, power generating plants, and other industries. CUI can result in unplanned or accidental facility shut downs, which could result in loss of production, environmental issues, personal injuries, huge costs, and a facility owner’s reputation.

Designed to resist the severe ‘real world conditions’ of a continual and potentially harsh environment, PPG Hi-Temp 222G can withstand repeated thermal cyclic service and thermal shock, then immersion in boiling water, as well as long term continuous thermal service consistent with industry requirements. Given these conditions the coating  must survive and provide corrosion protection as needed.

Direct application to hot operating vessels and pipelines is a value added solution for users of PPG HI-TEMP 222 G. Chemical plants, refineries and power generating plants often hesitate to shut down for maintenance and postpone corrosion prevention activities. To deal with this situation, the PPG HI-TEMP 222 G coating can be applied to hot operating equipment with substrate surface application temperatures up to 204°C (400°F).

  • Ideal for maintenance and repair of existing coatings systems on valuable processing equipment
  • Resistant to extreme temperature range from -185°C to 204°C (-300°F to 400°F)
  • Can be applied directly to hot substrates up to 204°C (400°F)
  • Prevents corrosion of insulated and non-insulated carbon and stainless steel
  • Prevents chloride induced external stress corrosion cracking of austenitic and duplex stainless steel
  • Ideal for cryogenic service
  • Excellent UV stability to prevent corrosion on surfaces subject to atmospheric exposure
  • Simple to use: one-component (one or two coat application)
  • Proven track record with excellent results

For non-insulated service, the PPG HI-TEMP 222 coating can be top coated with a variety of standard and custom colour topcoats, providing the ability for “hot pipes” to be color coded, thereby meeting facility requirements. Specifically, the PPG HI-TEMP 500 VS (available in a wide range of colours), when applied over the PPG HI-TEMP 222 G coating, provides for superior colour stability for the approved temperature ranges.

Also to be used as a primer with PPG HI-TEMP topcoats and with the PPG HI-TEMP 707 HB or PPG HI-TEMP 808 liquid insulation system.


For galvanised, steel steel and non ferrous metal all surfaces, carbon steel, all surfaces to be coated should be dry and free from all weld splatter, oil, grease and all other contaminants especially salts. Follow in depth product data sheet guidance depending on your substrate.

Technical Details


  • Meets CS-1, CS-3 and CS-4 in NACE SP0198-10 for corrosion under insulation
  • Meets SS-1, SS-2 and SS-3 in NACE SP0198-10 for chloride induced stress corrosion cracking


Under Insulation Ambient or Hot Application (66°C (150°F) to 204°C (400°F)) - One Coat

  • PPG HI-TEMP 222 G: 200 to 250 µm (8.0 to 10.0 mils) DFT

Under Insulation Ambient or Hot Application (66°C (150°F) to 204°C (400°F)) - Two Coats

  • PPG HI-TEMP 222 G: 100 to 125 µm (4.0 to 5.0 mils} DFT
  • PPG HI-TEMP 222 G: 100 to 125 µm (4.0 to 5.0 mils) DFT

A minimum of 200  m (8.0 mils) shall be applied for protection against Corrosion Under Insulation (CUI)
Maximum temperature resistance for under insulation is 232° C (450° F} with intermittent temperature resistance to 260° C (500° F)

Primer/ Topcoat System Ambient or Hot Application (66°C (150°F) to 149°C (300°F))

  • PPG HI-TEMP 222 G: 150 to 200 µm (6.0 to 8.0 mils)
  • PPG HI-TEMP 500 or 1000 series: 50 to 63  m (2.0 to 2.5 mils)

Primer/ Topcoat System Hot Application From 149°C (300°F) to 204°C (400°F)

  • PPG HI-TEMP 222 G: 125 to 150 µm (5.0 to 6.0 mils)
  • PPG HI-TEMP 500 or 1000 series: 50 to 63  m (2.0 to 2.5 mils)

Primer/ Liquid Insulation System

  • PPG HI-TEMP 222 G: 150 to 200 µm (6.0 to 8.0 mils)
  • PPG HI-TEMP 707 HB: 1000 to 1250 µm (40.0 to 50.0 mils) DFT per layer
  • PPG HI-TEMP 808: 375 to 500 µm (15.0 to 20.0 mils) DFT per layer
Finish: Flat
Stock Colours: Dark Grey
Tintable: No.
VOC Content: 265.0g per Kg
Volume Solids: 63%
Suitable Substrates: Carbon and Stainless Steel
Application Method: Air, Airless Spray, Brush or Roller
Theoretical Coverage: 3.2m2 per litre for 200 microns
Dry Film Thickness (DFT): 200 - 250 microns depending on system
Touch Dry: 2 hours at 20°C
Topcoatable: 18 hours at 20°C
Cleaner / Thinner: PPG Thinner 21-06 or PPG Thinner 91-10 (VOC Compliant)
Shelf Life: At least 18 months when stored cool and dry.
Packaging: 1 US Gallon

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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