Polyurethane Pre-Polymers



Products Base Isocyanate NCO Content (%) Viscosity @25°C (cP) Equivalent Weight Applications
Drodur® E 14 TDI 3.1 - 3.5 5600 - 8000 1270 Moisture cure 1K coating, 1K PU sealants, can be used in combination with other curing agent.
Drodur® E 15 TDI 4.0 - 4.6 6000 - 8000 950 Can be combined with secondary diamines to formulate 2K flexible high build coatings. Moisture-curable that gives highly flexible film (roof coating).
Drodur® 2037 TDI 4.2 - 4.6 8000 - 15000 - 1K moisture curable sealer coat, 1K PU sealants, Joint filler, Crack bridging coating.
Drodur® 2207 TDI 4.2 - 4.6 5000 - 15000 - 1K moisture curable sealer coat, 1K PU sealants, Joint filler, Crack bridging coating.
Drodur® L 2080 TDI / MDI 25 - 28 800 - 1600 158 Specially designed for flexible sports flooring, It is used in 2K PU coatings.
Drodur® E 21 MDI 15.3 - 16.7 4000 - 6700 250 - 280 Moisture-curable 1K system used as primers and sealers for porous substances to provide resistance to moisture, oil, fuel and other chemicals. Cure with other polyols, it gives wear-resistant coatings. Moisture-curable 1K adhesive.
Drodur® E 23 MDI 15 - 16 1500 - 2100 265 - 280 Moisture-curable 1K system used as primers and sealers for porous substances to provide resistance to moisture, oil, fuel and other chemicals. Cure with other polyols, it gives wear-resistant coatings. Moisture-curable 1K adhesive.
Drodur® 2060 MDI 15 - 16 2500 - 3000 265 - 280 Moisture-curable 1K system used as primers and sealers for porous substances to provide resistance to moisture, oil, fuel and other chemicals. Cure with other polyols, it gives wear-resistant coatings. Moisture-curable 1K adhesive.
Drodur® I 3031 IPDI BASE 3.6 - 4.0 10000 - 20000 - Can be used in low viscosity 1K and 2K flexible membrane and coating.
Drodur® I 375 IPDI 37.50 5 - 25 111 Cycloaliphatic diisocyanate UV resistant
Drodur® 143 TDI 4.3 20,000-30,000 975 Castings such as Rollers, Pigs, Cyclone Separator in hardness Shore A 90 when chain extended with MOCA or Ethacure 300
Drodur® 163 TDI 6.3 15,000-25,000 670 Shore A 95 Castings
Drodur® L 44 MDI 30.2 - 32.5 160 - 240 135 Polymeric MDI
Drocap™ 14 Blocked NCO 2.7 10000 - 25000 930 Epoxy flexibilizer

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D.R. Coats Ink & Resins Pvt. Ltd. is one of the leading polyurethane prepolymer manufacturers, offering a wide range of high-performance solutions designed for coatings, adhesives, sealants, and elastomer applications. Our polyurethane prepolymers are formulated using premium base isocyanates such as TDI and MDI, ensuring consistent quality, superior flexibility, and long-lasting performance....

The Drodur® range includes products like Drodur® E 15, ideal for 2K flexible high-build coatings and moisture-curable roof coatings, and Drodur® E 21, E 23, and 2060, which are widely used as 1K primers, sealers, and adhesives offering excellent resistance to moisture, oil, fuel, and chemicals. Drodur® L 44 is a polymeric MDI suitable for versatile applications, while Drodur® 143 and Drodur® 163 are designed for casting products such as rollers, pigs, and cyclone separators, delivering high hardness and durability.

Each product is engineered to meet industry demands, ensuring optimal NCO content, viscosity, and performance consistency. With technical expertise and stringent quality control, D.R. Coats delivers solutions that enhance productivity and application efficiency.

Request a TDS or speak to our specialists to find the ideal polyurethane prepolymer for your manufacturing or industrial requirements.