Carbothane 133 LH Polyurethane Aliphatic Topcoat is a premium aliphatic acrylic polyurethane finish coat engineered by Carboline for superior long-term protection in industrial and harsh environments. 
Low Sheen Satin Finish with High Build. 

It is ideal as a topcoat over various Carboline primers and intermediate coats, enabling efficient two-coat systems and offering indefinite recoatability for flexible application schedules.

Carbothane 133 LH PDS >
Finish: Low Sheen
Theoretical Coverage: 978 ft²/gal at 1.0 mils (24.0 m²/l at 25 microns) – refer to PDS for color-specific and practical rates (high-build typically applied at 3-6 mils DFT).
Thinner: Use Carboline Thinner 225E, 236E, 243E 

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Key Features:

• Outstanding Corrosion & Chemical Resistance: Provides excellent barrier protection against mild to aggressive environments, including industrial chemicals, moisture, and salt exposure.
• High Build Formulation: Allows thicker films in fewer coats; suitable for many two-coat systems over primers or inorganic zincs.
• Superior Weathering & UV Resistance: Aliphatic polyurethane chemistry ensures long-term color and gloss retention with minimal chalking in exterior exposure.
• Abrasion & Impact Resistant: Tough, durable film withstands mechanical wear in demanding service conditions.
• Versatile Application & Indefinite Recoatability: Apply by spray, brush, or roller; no maximum recoat time for maximum scheduling flexibility.
• Exceeds SSPC Paint 36 Level 3: Meets high-performance urethane standards for corrosion protection; VOC compliant to current AIM regulations; low HAPs content.

Common Industry Applications:

• Oil & Gas / Petrochemical: Tanks, piping, structural steel, and equipment in onshore/offshore facilities exposed to corrosives and weathering.
• Power Generation & Utilities: Bridges, transmission towers, boilers, and steel structures requiring durable, low-maintenance finishes.
• Water & Wastewater: Treatment plants, tanks, and infrastructure with chemical and moisture exposure.
• Industrial & Manufacturing: Machinery, railcars, conveyors, and facilities in aggressive atmospheric or splash/spill zones.
• Bridge & Highway / Infrastructure: Steel bridges, port facilities, and structures in coastal or high-humidity environments.

Carbothane 133 LH is a TWO-COMPONENT SYSTEM (PARTS A & B).

Product type: Aliphatic Acrylic Polyurethane Topcoat. Carbothane 133 LH has a low sheen finish. Applied via Airless Spray, Conventional Spray, Brush, or Roller 

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

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(800) 567-5358