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Cortec EcoLine 3690 Rust Preventative Coating

by Cortec
Original price $368.89 - Original price $3,757.18
Original price
$368.89 - $3,757.18
Current price $368.89
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Low stock
Ships in 1 to 2 weeks

USDA Certified Biobased Product

Ecoline 3690 is a biodegradable, biobased, ready-to-use temporary coating designed for severe marine and high humidity conditions. When applied on the surface, this product leaves an oily film, which provides excellent outdoor protection on any metal surface. The film is self-healing and moisture displacing, providing superior protection against aggressive environments.

Based on canola oil, EcoLine 3690 is 76% biobased, and has been awarded the USDA BioPreferred designation.

Available in 5 Gallon Plastic Pail (Cortec Item #12603655) or 55 Gallon Metal Drum (Cortec Item #12603656).

Product Preparation: Product should be mixed thoroughly and uniform prior to use.
Product Application: Product can be applied by spray, brush, roll or dip. Normal DFT is 2 mils (50 microns). Apply EcoLine 3690 in a well-ventilated area.
Product Cleanup: For cleanup of tools and overspray, use alkaline cleaners such as mineral spirits.


  • USDA certified biobased product
  • Biodegradable
  • Contains 76% biobased content
  • Non-hazardous, non-toxic
  • Excellent indoor and outdoor protection
  • Provides multi-metal corrosion protection
  • Excellent lubricity
  • Temperature stable up to 180 degrees F (82 degrees Celsius)
  • Low freezing point of 0 degrees F (-18 degrees Celsius)
  • Can be applied to painted surfaces
  • Meets MIL-PRF-16173E (Grade 2)

Metals Protected:

  • Silver
  • Cast Iron
  • Stainless Steel
  • Copper
  • Magnesium
  • Aluminum
  • Carbon Steel

Typical Applications:

  • Long-term (5+ Years) equipment lay-up
  • Pipes, couplings, pumps
  • Cables
  • Sheltered coating
  • Gear protectant/lubricant
  • Cylinders
  • Working/moving parts
  • Meets NACE TM0208-2008

Typical Properties:
Appearance: Brown/tan vioscous liquid
Film Type: Oily
Flash Point: 482 degrees F (250 degrees C)
Freezing Point: 0 degrees F (-18 degrees C)
Shelf Life: 24 Months @ 75 degrees F (24 degrees C)
Non-volatile Content: 95-100%
VOC: 0
Theoretical Spread Rate: 500-525 ft2/gal @ 3 mils (12-13 m2/l $ 75 microns)
Viscosity: 500-2000 cps
Weight per Gallon: 7.7-7.9 lb/gal (0.92-0.95 kg/l)

Quantity Discounts Available for Large Orders. Please call for more information.

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Monday through Friday, 8 a.m. - 4:30 p.m.
Phone U.S.: 1-877-256-9301
Fax: 608-203-1112

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