Carbothane 133 HB is a high-build, low-sheen aliphatic polyurethane finish coat engineered by Carboline for superior resistance to corrosion, chemicals, abrasion, and weathering in industrial, atmospheric, and heavy-duty environments.

This tough topcoat offers excellent color and gloss retention, high-build capability for efficient two-coat systems, outstanding performance in mild to aggressive conditions, and very good durability when applied over compatible Carboline primers and intermediates—ideal for steel structures, pipelines, tanks, bridges, equipment, and infrastructure needing long-term protection and aesthetics.

Carbothane 133 HB PDS >
Finish: Low Sheen - Satin 
Theoretical Coverage: approx. 150-350 SF/Gal depending on DFT (refer to PDS for exact rates)

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Key Features:

• High Build & Low Sheen Finish: Allows thicker films in fewer coats for application efficiency and a uniform, attractive appearance.
• Excellent Resistance Properties: Superior protection against corrosion, chemicals, abrasion, and weathering in mild to aggressive industrial environments.
• Outstanding Weathering Performance: Very good color and gloss retention over time, with broad color availability for aesthetic and functional needs.

Common Industry Applications:

• Industrial & Petrochemical: Topcoat for tanks, vessels, piping, structures, and equipment in refineries, plants, and facilities requiring abrasion and chemical resistance.
• Pipelines & Infrastructure: Durable finish for pipelines, bridges, highways, and treatment facilities in atmospheric exposure with high-build protection.
• General Maintenance & Heavy-Duty Protection: Steel structures, equipment, and surfaces in aggressive industrial/outdoor settings needing tough, weather-resistant polyurethane topcoats.

Carbothane 133 HB is a TWO-COMPONENT SYSTEM (PART A & PART B).

Product type: High-Build Aliphatic Polyurethane Finish Coat.
Finish: Satin 
Applied via: Airless Spray, Conventional Spray, Brush, or Roller

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

Looking for a high-build low-sheen polyurethane topcoat?
Contact our customer support today to discuss your project:
(800) 567-5358