MCOR 4060 | mFlex MD Fluid Elastomer

MCOR 4060 (mFlex MD Vertical Elastomer) is a medium durometer, 100% solids, flexible fluid-grade, urethane-acrylate epoxy hybrid sealant with zero-isocyanate. Incorporating a proprietary curing system, this urethane hybrid technology offers the market a safer, durable, more tolerant elastomeric system than older generation polyurethane technologies. This new generation of urethane-acrylate epoxy hybrid sealants undergo similar development of properties to (cold) vulcanizing which will produce higher strengths; in addition, higher moisture tolerance, increased UV resistance, better surface acceptance and adhesion, more stable and longer lasting shelf life without the concern of isocyanates.

The mFlex MD Fluid Elastomer is a two component high performance elastomer specifically designed for repair, fabrication and sealing of industrial movement areas- joints, rubbers, plastics, mating faces, and expansion/contraction areas. Because of its fluid form, it provides a terrific casting-grade elastomer. Its formulation provides extraordinary tolerances to chemicals, wear, abrasion, and degradation while exhibiting elongation, strength and robust industrial-grade sealing.




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  • Machinery and equipment seals
  • Casting and fabricating rubber components
  • Flexible molds
  • Pumps and diaphragms
  • Joint and expansion sealant
  • Flexible adhesive and rubber repair
  • Anti-vibration and shock mitigation
  • Flexible rubberized lining and coating
  • Impact cushioning


  • Isocyanate-free, no VOCs
  • Excellent UV Resistance
  • Terrific adhesion
  • Leveling and excellent flow characteristics
  • 100% solids
  • 300% elongation
  • Abrasion and wear tolerance
  • Excellent chemical resistance
  • Terrific impact and vibration tolerances

Kit Offerings

11 Kilo Unit (1 x 11kg, GRY)
1 x 8.25kg, MCOR 4060 Part-A, Grey
1 x 2.75kg, MCOR 4060 Part-B

Color availability:

  • GRY (grey)

The volume capacity of a 1 kg of mixed mFlex MD Vertical Elastomer is 926 cm3.

mFlex MD Fluid Elastomer is formulated primarily to pour or cast in place, as a fluid/flowing joint sealant. Made to fill spaces/cracks as thin as 800 microns (1/32”) min. up to 10cm (4”) without the need for reinforcement. As a coating/liner, can be applied at 0.5mm (20mils) min. to 1.3mm (50mils) max./coat.

mFlex MD Fluid Elastomer is a 100% solids polymer that will not shrink.  1.85 m2/kg. at 0.5mm DFT (19.6 ft2/kg at 20 mils DFT). Actual coverage will depend on surface conditions and irregularities.


Rubber repair and sealant

  • Fill, repair, mate, seal, joint

MCOR 4060 | mFlex MD Fluid Elastomer will:

  • Fill, form, cast, repair and seal
  • Flow in fluid form
  • Absorb vibration and sustain adhesion
  • Expand and contract

MCOR 4060 | mFlex MD Fluid Elastomer is:

mFlex MD Fluid Elastomer is an advanced urethane-acrylate epoxy hybrid, once cured, the material is categorized as a hybrid flexible elastomer. Exhibiting strong tensile elongation; this high strength flexible elastomer will perform for expansion, elongation, contraction, sealing, impact, and for shock/vibration.

mFlex MD Fluid Elastomer is a two-component polymer liquid. Its viscosity allows the material to flow and form into small cracks and crevasses. In addition, this leveling trait makes it a terrific candidate for casting, forming, and molding.  Once cured, it provides a high strength fabricated rubberizing for rapid manufacture of parts or repair.

mFlex MD Fluid Elastomer through an advanced crosslinking system similar to (cold) vulcanizing; a chemical process for  converting polymers into more durable materials by the addition of elements, curatives, and other proprietary ingredients produces high strengths. Formulated for sealing and resisting industrial attack of chemicals, corrosives, abrasion and wear. These additives modify the polymer by forming cross-links (bridges) between individual polymer chains. The material is also designed to tolerate weathering elements, UV, and other degradation or constants.