Uretek_Material_Production_Certification_04-02-2025.pdf
PDF 527 KB Posted
- Attached to
- Competitive Selection OH|DOT10226-9
- Contract number
- DOT10226-9
- Issued by
- Ohio
About this file
This document is a Material Production Certification from URETEK USA, Inc. dated April 2, 2025, involving Covestro LLC as the manufacturer of BaySystems 486Star4 and Mondur MR polyurethane materials. The certification is specifically addressed to potential stakeholders and references compliance with Ohio Department of Transportation (Ohio DOT) specifications. URETEK USA is located in Tomball, Texas, and serves as the applicator of the manufactured materials.
The certification details the technical properties of the BaySystems 486Star4 polyurethane material, providing laboratory-tested values for key performance metrics including free rise density (4.0 lb./ft3), compressive strength (60 psi), tensile strength (90 psi), shear strength (40 psi), and closed cell content (85%). The document confirms that URETEK follows Covestro's manufacturer guidelines for mixing the polyurethane system and attests that the installed material meets or exceeds the manufacturer's specified laboratory values. The certification is signed by Rex Klentzman, P.E., Vice President of Engineering at Uretek USA, lending professional engineering credibility to the material's performance characteristics.
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Other files
| File | Type | Posted |
|---|---|---|
| URETEK_102-26_pricing__03_13_25_.xls | XLS spreadsheet | |
| Affirmation_and_Disclosure_URETEK_-_signed.pdf | ||
| Signature__4___1___002___44_.pdf | ||
| 102-26_Specs__03_13_25_.pdf | ||
| 102__26__recommend_Award_Letter.pdf | ||
| 486Star_Data_Sheet.pdf | ||
| 486Star_URETEK-_4_LB_HDPF_Specification.pdf |
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Text version
URETEK USA, Inc. [M] PO Box 1929, Tomball, Texas 77377 [S] 13900 Humble Road, Tomball, Texas 77375 [T] 888.287.3835 [W] uretekusa.com
April 2, 2025
Re: URETEK USA, inc Material Production Certification
To: Whom it May Concern
Covestro LLC is the manufacturer of BaySystems 486Star4 and Mondur MR and provides these materials to URETEK USA for application. URETEK USA follows the manufacturer’s guidelines for the mixing of this polyurethane system. As installed the BaySystem 486Star4 meets or exceeds the laboratory tested values supplied by the manufacturer in the table below.
BaySystems 486Star4 PUR Typical Properties* Property Method Typical Value Free Rise Density ASTM D1622 4.0 lb./ft3 Compressive Strength ASTM D1621 60 psi Tensile Strength ASTM D1623 90 psi Shear Strength ASTM C 273 40 psi Closed Cell Content ASTM D2858 85 %
The material proposed meets or exceeds the requirements set forth in the relevant Ohio DOT specifications.
Thank you. Please feel free to contact me with any comments or questions.
Sincerely, Rex Klentzman, P.E.
Vice President of Engineering Uretek USA
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