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ARCOR® S-16 is a solvent-free epoxy coating specifically designed to provide reliable protection for metals in immersion service. This advanced coating solution creates a durable, chemical-resistant, and flexible barrier, making it highly suitable for aggressive water environments, including salt and brackish water conditions. The multi-functional chemistry of ARCOR® S-16 enables it to serve as a versatile coating, offering excellent performance in moderate acid and caustic environments, as well as in water applications. It is a fine choice for various general-purpose epoxy coating needs. Moreover, ARCOR® S-16 holds several certifications, including NSF certification for potable water, USDA approval for incidental food contact in meat and poultry production, and compliance with FDA Guideline CFR 21 Section 175.300, allowing for repeated food contact use. ARCOR Epoxy Technologies can tailor make or reformulate the product to suit customer needs. Please reach out if you need a custom formulated product!

Product Type: Repair Material

Application Area: Condenser, Filters, Heat Exchangers, Impeller, Pipes, Pump, Tank Lining, Valves, Water Screens

Application Method: Brush, Roller, Spray

Chemical Family: Epoxy & Epoxy Derivatives

Features: Abrasion Resistant, Acid Resistant, Alkali Resistant, Chemical Resistant, Good Flexibility, Good Toughness, Solvent Resistant, Water Resistant

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Identification & Functionality

Product Type

Features & Benefits

Labeling Claims

Applications & Uses

Markets
Application Method
Compatible Substrates & Surfaces
Cure Method
Surface Preparation

Steel surfaces: Always abrasive blast 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 or ARCOR™ S-16 only in NSF, USDA or FDA Applications. Concrete surfaces : Not Recommended for hand or roller application. Apply by heated plural or airless spray only.

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-16 only in NSF, USDA or FDA Applications; or EE-70, EE-79 or VICOR™ EE-10.

Mixing

Thoroughly mix Activator into Base with mixing stick or drill with low speed mixing blade. Mix by Volume 4 parts Base to 3 parts Activator. Or by Weight 100 gm Base to 68 gm Activator.

Application

By Brush use medium to stiff bristle of sufficient quality that bristles do not pull out and stick in coating. Trim or tape to <1” nap.

  • Roller use good quality 1/8” nap.
  • Plural Spray use 0.023-0.032 tip, 3,000-3,500 PSI, Heat to 130ºF Base, 110ºF Activator.
  • Airless Spray Not Recommended
  • Conventional Spray Not Recommended

All spray equipment should employ traps to prevent water and oil from contaminating coating and screens to prevent particulate contamination.

Application Temperature
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).
Overcoat / Cure Time

By Brush or Roller recoat between 6 and 8 hours at 72ºF (22ºC). When spraying recoat between 5 and 8 hours. Full cure before immersion 3 Days at 72ºF. Force Cure: 12 hours at 120ºF (49ºC).

Clean Up

Clean tools immediately after use with M.E.K., Acetone, 98+% Isopropyl Alcohol or similar

Properties

Temperature Properties
ValueUnitsTest Method / Conditions
Maximum Temperature for Immersion Service54.0°C-
Temperature Spike Tolerance for Immersion Service (3hrs)71.0°C-
Specifications
ValueUnitsTest Method / Conditions
Coverage20-80ft² / gal / coatTheoretical
Solid Content100.0% Volume-
Pot Life (at 72°F)30.0min/gal-
Chemical Resistance
Water Excellent
Alkalis Good
Inorganic Acids Good
Organic Acids Fair
Organic Solvents Good
Film Thickness

10-20 mils/coat, (.25-.50 mm) Immersion: 2 or 3 coats

Flexibility

Good Very Good with Fiberglass Mat; 1.5 oz/ft2 (.5 KG/M2)

Mix Ratio

4:3 by Volume (Base:Activator) 100 gm :68 gm by weight

Regulatory & Compliance

Packaging & Availability

Weight per Gallon

10 LBS (4.53 KG)

Storage & Handling

Shelf Life
5 Years (at 13-35ºC)