High Solid Polyurethane Top Coat

High Solid Polyurethane Top Coats are advanced protective finishing coatings designed to deliver excellent durability and appearance while significantly reducing solvent content. These coatings provide a thick, high-quality film in fewer coats, making them an efficient solution for industrial projects requiring high performance and environmental compliance. They are widely used where long-term protection, reduced VOC emissions, and superior surface quality are essential.

High solid PU top coats are formulated with a high percentage of polyurethane resin and reduced solvent levels, allowing greater dry film thickness per coat without sagging or surface defects. After curing, the coating forms a tough yet flexible film with excellent adhesion to properly primed steel, concrete, and metal surfaces. It offers strong resistance to abrasion, impact, moisture, oils, fuels, and a wide range of industrial chemicals. High solid PU top coats also demonstrate excellent weathering and UV resistance, maintaining gloss and color stability in outdoor exposure. Their good flow and leveling properties ensure smooth finishes when applied by spray, roller, or brush. Combining efficiency, durability, and environmental responsibility, high solid PU top coats provide a reliable and cost-effective industrial finishing solution.

High solid polyurethane top coats are commonly applied on steel structures, bridges, pipelines, storage tanks, industrial machinery, and marine equipment. They are ideal for heavy-duty protective coating systems where fewer application layers and faster project completion are required. Reduced VOC content helps meet environmental and regulatory requirements while lowering overall application costs. For export and international supply, these coatings are available in standard packaging such as 5 L and 20 L metal cans, 18–20 L steel pails, and 200 L drums, suitable for long-distance transportation.

Property	Specification
Product Name	Polyether Polyurethane (PU) Top Coat
Resin Type	Hydroxyl Functional Polyether Polyol + Aliphatic Isocyanate Hardener
Finish	High Gloss / Semi Gloss / Matt
Color	Custom RAL & Pantone Colors
Mixing Ratio	4:1 or as specified by manufacturer
Solid Content	55–70%
Drying Time (Touch Dry)	30–60 minutes @ 25°C
Full Cure Time	5–7 days @ 25°C
Recommended DFT	40–60 μm per coat
Adhesion	Excellent (ASTM D3359: 5B)
Water & Hydrolysis Resistance	Excellent, suitable for high-humidity environments
Chemical Resistance	Excellent resistance to water, salt solutions, oils, fuels, mild acids & alkalis

This product can be customized according customer request.

For a complete guide on selecting the right vinyl top coat for your project, read our Polyurethane Top Coat Selection Guide.

IF YOU ARE WILLING TO BUY INDUSTRIAL PAINT & COATINGS FROM IRANIAN SUPPLIERS, PLEASE SCROLL DOWN AND SUBMIT YOUR REQUEST.

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FAQ High Solid Polyurethane Top Coat

High Solid Polyurethane Top Coat is used as a protective and decorative finishing coating for steel structures, machinery, vehicles, marine equipment, pipelines, tanks, concrete surfaces, and industrial facilities.

This product is commercially known as High Solids PU Topcoat, Polyurethane Finish Coat, 2K PU Coating, Industrial Polyurethane Paint, and High Build Polyurethane Finish.

Available grades include Industrial Grade for machinery and steel structures, Marine Grade for ships and offshore applications, Automotive Grade for vehicles and equipment, Protective Grade for corrosion protection, and Decorative Grade for architectural finishing.

The main advantages include high durability, excellent adhesion, UV resistance, chemical resistance, abrasion resistance, glossy appearance, low material consumption, and long service life.

The product is available in different packaging sizes such as 1 kg, 4 kg, 5 kg, 10 kg, 20 kg, and 25 kg sets depending on customer requirements and export conditions.

You can find a suitable supplier in Iran for High Solid Polyurethane Top Coat through Irancorps, which connects international buyers with verified Iranian manufacturers and exporters.