PRODUCT DATA SHEET AMERCOAT® 242 HB DESCRIPTION Two-component, solvent free glass flake reinforced lining PRINCIPAL CHARACTERISTICS • Reinforced lining for crude oil and refined pretroleum products • Excellent chemical, solvent, and water immersion resistance • Excellent abrasion resistance • Excellent pit filling capabilities COLOR AND GLOSS LEVEL • Gray • Gloss Note: Epoxies will chalk and change color with exterior exposure. Colors are approximately and will tend to change over time. BASIC DATA AT 68°F (20°C) Data for mixed product Number of components Volume solids Recommended dry film thickness 15.0 - 60.0 mils (375 - 1500 µm) depending on system Theoretical spreading rate Shelf life Base: at least 24 months when stored cool and dry Hardener: 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 Steel • Remove weld spatter, protrusions, and laminations in steel. Grind welds smooth in accordance with NACE RP-0178 • Remove all surface contaminants, oil and grease in accordance with SSPC SP-1 • Abrasive blast with an angular abrasive to an SSPC SP-10 cleanliness or higher. Achieve a surface profile of 2.5 – 5.0 mils (64 – 125 µm) • AMERCOAT 114 A may be used as a pit filler for severely pitted steel and surface discontinuities • Check with PPG technical service for the maximum allowable soluble salt level for water immersion service. This will vary based on the water chemistry and service temperatures

PRODUCT DATA SHEET AMERCOAT® 242 HB Concrete • Remove all surface contaminants such as oil, grease, and embedded chemicals • Abrade the surface per ASTM D4259 to remove all chalk and surface glaze or laitance • Mechanical surface preparation should expose sub-surface voids and provide a surface profile equivalent to 60 grit sandpaper or coarser • Test for moisture by conducting a plastic sheet test in accordance with ASTM D4263 Non-ferrous metals • Lightly abrasive blast in accordance with SSPC SP-16 to achieve a uniform and dense 2.0 - 4.0 mil anchor profile Stainless steel • Abrasive blast...

PRODUCT DATA SHEET AMERCOAT® 242 HB Application • Area should be sheltered from airborne particulates and pollutants • Avoid combustion gases or other sources of carbon dioxide that may promote amine blush. • Ensure good ventilation during application and curing • For tank lining, dehumidification equipment is highly recommended • Provide shelter to prevent wind from affecting spray patterns • Bulletin #1489 for further information on prevention, detection, and removal of amine blush • Refer to INFORMATION SHEET 1434 for more details on ventilation requirements for tank lining applications Material...

PRODUCT DATA SHEET AMERCOAT® 242 HB ADDITIONAL DATA Overcoating interval for DFT up to 60.0 mils (1524 µm) Overcoating with... Notes: - Dry times are dependent on air and surface temperatures as well as film thickness, ventilation, and relative humidity. Maximum recoating time is highly dependent upon actual surface temperatures – not simply air temperatures. Surface temperatures should be monitored, especially with sun-exposed or otherwise heated surfaces. Higher surface temperatures shorten the maximum recoat window - Surface must be clean and dry. Any contamination must be identified and removed....

PRODUCT DATA SHEET Notes: - Dry times are dependent on air and surface temperatures as well as film thickness, ventilation, and relativehumidity. Maximum recoating time is highly dependent upon actual surface temperatures – not simply air temperatures. Surface temperatures should be monitored, especially with sun-exposed or otherwise heated surfaces. Higher surface temperatures shorten the maximum recoat window. - Surface must be clean and dry. Any contamination must be identified and removed. Particular attention must be paid to surfaces exposed to sunlight where chalking may be present. In...

PRODUCT DATA SHEET AMERCOAT® 242 HB 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...