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ICE ti '�tH V C � J O 1 Z Amershield ? y Approvals and Certificates Class 1 — flame spread in accordance with BS 476, part 7. Application Data "0" class fire rating in accordance with UK Building Regulations , based on testing according to BS 476, parts 6 and 7 (fire Substrate . . . . . .. . . . . . . . . . . . . . . . ... . . . . . . prepared steel , galvanising, aluminium, concrete, masonry propagation) . Approved by the Newcastle Occupational Health Agency for Application methods . . . ..... . . .... airless or conventional spray, brush the storage of grain, or roller*** Environmental Conditions (during application) Recommended Systems Air temperature: . . ." , 4 to 50°C 40 - 122°F Substrate Coats of Amershield Total dft um Surface temperature: . ... . . . . . .. 4 to 50°C 40 - 122°F Steel 1 -2 125 - 250 Amercoat 68 Series 1 190 Surface temperature must be at least 30C/5° F above dew point to Amerlock 400C 1 250** prevent moisture condensation on the surface, **Minimum temperature Amerlock 400C during application and Potlife (at 20°C/68° F) . . . . . . . . . . . . 2Yz hours drying : 15°C/59° F. Do not use aluminium versions of Amerlock Potlife is dependent on temperature and quantities mixed, 400 Drying times (at 125 pm dft)°C/° F 10/50 20/68 30/86 Use a maximum recoating time of 3 days for Amerlock 400C. If dry to touch (hours). . 4 2Yz 1 exceeded , consult your Ameron representative for a dry through (hours) .. . . . . . . . . . . . . 72 10 5 recommendation . Recoat times °C/° F . .. . . . . . . . . .. . . . . 10/50 20/68 30/86 Environment Splash and Fumes and Minimum (hours) . 48 8 4 Maximum (hours) . . . .. . .... . .. . ... 168 168 12 spillage weather Acidic Excellent Excellent NOTE: where accelerated cure is required ask your Ameron Alkaline Excellent Excellent representative for possible use of Amercoat 865 accelerator. Drying times are dependent on air and steel temperature, applied film Salt solutions thickness, ventilation and other environmental conditions. Times Acidic Excellent Excellent are proportionally shorter at higher temperature and longer at lower Neutral Excellent Excellent temperatures. Prior to recoating ensure the surface is clean, Alkaline Excellent Excellent Maximum recoating interval times are dependent on temperature, degree of weathering , type of topcoating and service conditions of Sea water Excellent Excellent the complete coating system. Consult your Ameron representative Fresh water Excellent Excellent for specific recommendations, Solvents Good Excellent Petroleum products Excellent Excellent ThinnerAmercoat 920 . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . Cleaner . . .. . . . . . . . . . .... . ... .. . . . . . . . . .. . Amercoat 12 This table is only a guide to show typical resistance of Amershield. Contact your Ameron representative for your particular corrosion protection needs. Amershield is not recommended for immersion service. Application Equipment MIXER - Power mixer with an explosion proof electric motor. AIRLESS SPRAY - Standard airless spray equipment, such as Greco, DeVilbiss, Nordson-Bede, Spee-Flo or others having a 28 : 1 or higher pump ratio and a fluid tip with a 0 .38 to 0 .53 mm (0 ,015 to 0.021 inch ) orifice. CONVENTIONAL AND AIR-ASSISTED AIRLESS SPRAY - DeVilbiss , Binks or Graco production spray equipment with moisture and oil trap in the main air supply line. BRUSH - Natural bristle. Maintain a wet edge. ROLLER - Level any air bubbles with a bristle brush . When brush or roller applied , multiple coats may be needed to achieve dry film thickness of 125 pm (5 mils), Repair Spot blast or power tool clean bare substrate to the requirements shown under surface preparation . Feather edges of intact coating . Remove dust, dirt and contamination before recoating . Page 2 of 4 Revision date: 09-11 -2005