Carbomastic 615 is a high-performance, surface-tolerant epoxy phenalkamine mastic engineered by Carboline for superior corrosion protection in industrial, marine, and maintenance environments with minimal surface preparation.
This high-solids coating offers exceptional moisture tolerance on damp/wet substrates, low-temperature cure, rapid return to service, and enhanced film strength via inert flake reinforcement (micaceous iron oxide), delivering reliable barrier protection against corrosion in fresh/salt water immersion, atmospheric exposure, and harsh conditions—ideal for steel structures, tanks, vessels, piping, and equipment where ideal prep is challenging. 

Carbomastic 615 PDS >
Finish: Semi-gloss 
Theoretical Coverage: approx. 100-200 SF/Gal depending on DFT

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Key Features:

• Outstanding Surface & Moisture Tolerance: Applies reliably over damp/wet or marginally prepared surfaces (e.g., hand tool cleaned, power tool cleaned, or existing coatings), with excellent wetting and adhesion in challenging conditions.
• Low-Temperature & Fast Cure: Cures down to 20°F (-7°C) with rapid cure response for quick return to service, ideal for fast-turnaround projects or cold-weather applications.
• High Solids, Low VOC & Enhanced Barrier: High-build formulation with micaceous iron oxide flakes for improved film strength, corrosion barrier, and durability in immersion and atmospheric exposures.

Common Industry Applications:

• Marine & Offshore: Hulls, decks, structures, pilings, and equipment in saltwater immersion or splash zones; excellent for maintenance in harsh marine settings with limited prep.
• Industrial Maintenance & Refurbishment: Steel structures, tanks, vessels, piping, and equipment in refineries, plants, and facilities requiring surface-tolerant coatings over rusted or existing systems.
• General & Heavy-Duty Protection: Atmospheric and immersion service on bridges, power plants, wastewater facilities, and other aggressive environments needing durable, fast-cure epoxies with minimal downtime.

Carbomastic 615 is a TWO-COMPONENT SYSTEM (PART A & PART B).

Product type: Surface Tolerant Epoxy Phenalkamine Mastic.
Finish: Carbomastic 615 has a semi-gloss finish. 
Applied via: Airless Spray, Conventional Spray, Brush, or Roller

Shipping & Delivery: Carboline orders typically ship within 1-2 business days following receipt of order. Most orders are received in less than a week. Expedited shipping NOT available on most orders. 

Looking for a surface-tolerant epoxy mastic?
Contact our customer support today to discuss your project: 
(800) 567-5358