Thanecast® Prepolymers for Castable Polyurethane Systems

TSE Industries has been a full-service contract manufacturer of specialty CASE products since its founding in 1962.  From lab scaling to commercial production, we have toll manufactured more than 300 million pounds of polyurethane coatings, adhesives, sealants, elastomer, and prepolymers.

Over the last six decades, we’ve perfected the manufacturing processes, expanded our capabilities, and increased our available production scale.  Combining our extensive experience with the latest technology, we are now offering a line of Thanecast® Prepolymers for the cast PU market.

Thanecast® Prepolymer Offerings
Polyester / TDI Grades
PTMEG / TDI Grades 
PPG / TDI Grades
Future Grades to include MDI-based Prepolymers
Custom Grades for Unique Requirements
Packaging Capabilities
Full Tanker Trucks
275 Gallon Totes
55 Gallon Drums
5 Gallon Pails
Custom Packaging Available

Manufacturing Capabilities

Designed for custom manufacturing, TSE’s plant offers unparalleled flexibility when it comes to handling raw materials, scaling-up batches, and managing production runs.  No requirement is too large or too small.


Manufacturing Equipment
Production Reactors:
4,800 Gal (2), 3,750 Gal (4), 1,500 Gal (1), 700 Gal (1)
Scale-Up Reactors:
500 Gal, 250 Gal, 25 Gal, 15 Gal, 5 Gal
Reactors are 316 Stainless Steel, pressure-rated, and operate under closed conditions. Nitrogen and Argon piped to reactors and packaging areas providing an inert atmosphere.
Full heating, cooling, and vacuum capabilities. Inline filtration (10-800) ensures that the product is clear and free of particulates.
NMP Process Cleaning System prevents batch-to-batch cross-contamination. Customization capabilities include pigmented batches, fillers, and blending.

Laboratory Capabilities

At TSE’s on-site, wold-class Development and Analytical Center (DAC) lab we perform statistical process and quality control for all products, both in-process as well as final product testing. In our DAC Quality Control testing lab, we perform for %NCO, Brookfield Viscosity, and Specific Gravity. We also test our Thanecast® prepolymer grades and any custom-formulated prepolymers within our Product Development lab.


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