ARCOR®
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EPOXY TECHNOLOGIES
PRODUCT DATA SHEET
REVISED 6/04
ARCOR® S-20
GENERIC TYPE: AMINE CURED 100% SOLIDS EPOXY TOPCOAT
DESCRIPTION AND RECOMMENDED USES: ARCOR® S-20 is a solvent free, high functionality epoxy Novolac
designed particularly as a protective coating for metals in highly aggressive environments especially high chemi-
cal, high abrasion and high temperature. Excellent in a wide array of caustics and acids. The ARCOR® S-20
multi functional chemistry produces an excellent coating suited for aggressive acid and caustic service, and is
excellent at elevated temperatures. ARCOR® S-20 can be applied up to 40 mils by hand without slump.
FOR INDUSTRIAL USE ONLY
SPECIFICATION DATA
SOLIDS BY VOLUME: 100%
TEMPERATURE: Immersion service
Max.300ºF (135ºC); Spike to 450ºF (218ºC) (3 Hrs)
VISCOSITY: 65,000-85,000 cps
Dry 400ºF (190ºC); Spike to 500ºF (246ºC) (3 Hrs)
POT LIFE: 20 MIN/Gal @ 72ºF
CHEMICAL RESISTANCE:
Water: Excellent
Alkalies: Excellent MIX RATIO: 2:1 by Volume (Base:Activator)
Inorganic Acids: Excellent 100 gm : 46 gm by weight
Organic Acids: Excellent
Organic Solvents: Excellent
COLOR: Blue, Gray, Red
SHELF LIFE: 5 Years at 55-95ºF (13-35ºC)
ABRASION: Excellent
FLEXIBILITY: Good. Very Good with Polyester or COVERAGE: @ 20 mils: 80 sf/gal (add 20% waste)
Fiberglass Mat; 1.5 oz/ft2 (.5 KG/M2)
WEIGHT PER GALLON: 12.6 lbs (5.7 KG)
1 KG = 41 cu.in.
FILM THICKNESS: Hand application 20-40 mils/
coat,(.5-1.0 mm/coat )
ORDER INFORMATION: To place orders
Spray Application 20-60 mills/coat(.5-1.5 mm/coat )
and/or obtain pricing information contact:
APPLICATIONS: Neutralization Tanks, Caustic
Tanks,Clarifiers, Demin Tanks, Chemical Drain ARCOR Epoxy Inc.
Troughs, Secondary Containment, Pumps. FGD; PO Box 273
Outlet Ducts, Absorbers, I.D. Fans, Scrubbers. South Dennis, MA 02660
Low coefficient of Friction improves flow. TEL: 800-878-9593; FAX: 888-878-9593
Manufacturer makes no warranty either expressed or implied including warranties of merchantability or fitness for a particular purpose for this product. Under no circumstanc-
es will the manufacturer be liable for incidental, consequential or other damages, breach of warranty, strict liability, or any other theory arising out of use of this product.
PO Box 273, South Dennis, MA 02660 Tel/Fax: 800-878-9593 /508-385-5798 Email: Arcor@ArcorEpoxy.com www.ArcorEpoxy.com
ARCOR ®
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EPOXY TECHNOLOGIES
APPLICATION SHEET
REVISED 6/04
ARCOR® S-20
SEE MATERIAL SAFETY DATA SHEET BEFORE HANDLING THIS PRODUCT
SURFACE PREPARATION:
Steel surfaces are to be abrasive blasted with chloride free abrasive. Exterior applications to SSPC SP-10 Near White
metal finish. Immersion applications to SSPC SP-5 White metal. Grind flat all burrs, weld seams, radius sharp edges.
Fresh blasted surfaces to be primed with ARCOR® S-30 Prime, EE-11 Prime or S-20.
Concrete surfaces : Not Recommended for hand or roller application. Concrete surfaces should be degreased if oil and
grease contamination is present. Degreased surface shall be high pressure washed, acid etched and high pressure
washed again so surface is clean and free of all grease, oils and surface laitance. Existing coatings should be abrasive
blasted to clean concrete. Prime with ARCOR® S-20 or EE-79 or EE-10.
MIXING:
Thoroughly mix Activator into Base with mixing stick or drill with low speed mixing blade. Mix by Volume 2 parts Base to 1
part Activator or by weight 100 grams base to 46 grams activator.
THINNING: Never thin.
APPLICATION:
Brush: medium to stiff bristle of sufficient quality that bristles do not pull out and stick in coating (epoxy gued
bristles are best). Trim or tape to <1� nap.
Roller: use good quality 1/8� nap.
Plural Spray: .029-.035 RAC tip, 3,500-4,500 PSI, Heat to 150ºF Base, 110ºF Activator.
Airless Spray use .029-.035 RAC tip, 4,000-5,000 PSI(45:1+). Recommended only with in-line heater at 120º to
135ºF.(Caution: Short Pot-Life)
Conventional Spray: Not Recommended
All spray equipment should employ traps to prevent water and oil from contaminating coating and
30 mesh screens prevent particulate contamination.
APPLICATION TEMPERATURE:
Material: Keep between 55 to 95ºF (13 to 35ºC). Substrate : Keep between 45 to 105ºF (7 to 40ºC). The difference
in temperature of the substrate and the coating should never exceed 10ºF (5ºC). Substrate shall be a minimum of
5º(3ºC) above dew point. Do not apply if relative humidity exceeds 90%. If necessary heat metal prior to surface
preparation using electric heater or heat lamp. Never use gas, oil or kerosene heaters as they will leave a greasy
residue on metal surface. For best results keep all material in warm area over night(75ºF+, 24ºC) for ease of mix-
ing. If necessary base component of material can be heated by microwave for 30-45 seconds for a 1 KG Base
unit or by warm water bath Heat activator by warm water bath only. If necessary let material cool before applica-
tion.
OVERCOAT / CURE TIME: By Brush or Roller recoat between 3 and 12 hours at 72ºF (25ºC).
When spraying recoat between 2 and 12 hours. Full cure before immersion 24 Hours at 72ºF. For highly aggres-
sive environments Force Cure is recommended. Force Cure: 12 hours at 150ºF (66ºC), 4 hours at 250ºF (121ºC).
CLEAN UP: M.E.K., Acetone or other Ketone blend. For solvent controlled areas use ARCOR® ARCLEAN or iso-
propyl alcohol
WARNING: Base contains epoxy resin. Activator contains alkaline amines, a strong sensitizer. May cause skin irritation, sensitization or other allergic responses. Use with
good ventilation, particularly if heated or sprayed. Prevent all contact with skin or eyes. Wear protective clothing, goggles, gloves or barrier creams. Keep containers closed
when not in use. Wash thoroughly after handling. In case of skin contact immediately wash with soap and water. In case of eye contact, flush with water for 15 minutes. If irri-
tation persists seek medical attention.
PO Box 273, South Dennis, MA 02660 Tel/Fax: 800-878-9593 /508-385-5798 Email: Arcor@ArcorEpoxy.com www.ArcorEpoxy.com
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