Covestro certifies that the product meets specifications for 6 months from the date of shipment, provided it is stored and handled in accordance with the conditions specified in the ‘Storage’ section. After this period, product performance is not assured; Customers are responsible for retesting material before use. Covestro assumes no liability for product performance after 6 months.
Product description
Bayhydrol® UH 2889 is an aliphatic polyurethane resin dispersion which is suitable for decorative peelable coatings applications in the automotive aftermarket. It is also suitable for protective coatings for transportationand construction applications
Applications
On demand customization is made possible with Bayhydrol® UH 2889 for decorative and protective peelable coating systems. For the automotive aftermarket, key properties include superior gasoline resistance, improved scratch resistance, and greater efficiency. Heavy duty properties combined with a safe and easy removal process allows users to customize the appearance of their vehicle. Other important features include easy peelability over a wide variety of substrates (i.e., automotive OEM and refinish coatings, various plastic substrates, polished aluminum and chrome) even after exposure to elevated temperatures. Bayhydrol® UH 2889 allows for the ability to formulate higher solids coatings which reduces the number of coats needed to reach optimum peelability.
Other applications for peelable coatings formulated with Bayhydrol® UH 2889 could include protective applications such as, automotive OEM delivery wraps, transportation, architecture, furniture and construction.
Form supplied
Form supplied is approximately 40% in water, neutralized with dimethylethanol amine, approximately 59.5 : 0.5.
Specification
| Property | Test Condition | Value | Unit | Standard |
|---|---|---|---|---|
| Non-volatile content | 39.0 - 41.0 | % | M020 - ISO 3251 | |
| Dynamic viscosity | 23 °C | < 150 | mPa·s | M014 - ISO 3219/A.3 |
| pH-value | 20 °C | 6.5 - 7.5 | M022 - ISO 976 |
Typical Values
| Property | Test Condition | Value | Unit | Standard |
|---|---|---|---|---|
| Density | at 20 °C | approx. 1.05 | g/ml | DIN EN ISO 2811 |
| Minimum film forming temperature (MFT) | < 5 | °C | DIN ISO 2115 | |
| Tensile strength | approx. 4800 | psi | ||
| Elongation at break | approx. 425 | % |
Compatibility
Bayhydrol® UH 2889 is generally compatible with water-reducible polyesters and some acrylic dispersions. Given the many resins available on the market, compatibility testing is recommended.
Storage
Bayhydrol® UH 2889 should be stored in tightly sealed original containers and protected from freezing, heat, and foreign materials. Recommended storage temperature is 5° to 23°C.
Storage time
Health and Safety Information
Before working with this product, you must read and become familiar with the available information regarding its risks, proper use, and safe handling. This information is provided in various formats, including the current Safety Data Sheet (SDS) and product label. SDS can be accessed via the following link:
Safety Data Sheets (SDS) for Covestro products | Covestro
For further questions, please use the contact information provided on this technical data sheet.
Disclaimer
Responsibility and Liability
The use of Covestro products, technical assistance, and information (regardless of how provided) is outside Covestro’s control and is solely the responsibility of the customer. The customer must conduct adequate testing to determine the suitability of products for its intended use, including but not limited to technical, health, safety, and environmental aspects. Unless otherwise agreed in writing, all products are sold exclusively under Covestro’s standard conditions of sale, which prevail in case of conflict and are available upon request.
The terms and conditions of sale and delivery are available via the following link:
https://order.covestro.com/covestrostorefront/saleConditions
All information is provided “as is” without warranties, express or implied, including merchantability or fitness for a particular purpose, and is subject to change without notice. To the maximum extent permitted by law, Covestro disclaims, and the customer assumes all liability for losses, damages, or claims arising out of use of Covestro products, technical assistance, or information. Any statement or recommendation not expressly contained in Covestro documentation is unauthorized and shall not bind Covestro. Nothing herein shall be construed as encouraging or recommending the use of any product in conflict with any claim of any patent. No license is implied or in fact granted under the claims of any patent.
Restrictions on Regulated Applications
This product is not intended for use in regulated applications such as agriculture, cosmetics, drinking water contact, food contact, medical products (e.g., medical devices), toys, or similar uses subject to specific regulatory requirements. Prior written approval from Covestro is required before this product may be used in any regulated application. The customer is solely responsible for ensuring compliance with all applicable laws and determining product suitability. Covestro disclaims all liability and warranties for unauthorized regulated uses.
Typical Value
The values provided are typical only and do not represent binding specifications. Unless expressly confirmed in a written contract, these values are not part of the contractual quality agreement and must not be relied upon as a warranty or guarantee of product performance.
Sample
Samples provided by Covestro are intended solely for evaluation and testing purposes by the customer and may not be used in commercial applications, resold, transferred to third parties (except qualified testing service providers acting on behalf of the customer), reverse engineered, modified, or used in any manner not explicitly authorized in writing by Covestro. Samples are provided ‘as-is’ without any warranties, express or implied, including fitness for a particular purpose. Customers are solely responsible for ensuring safe handling, regulatory compliance, and suitability of the material for their intended evaluations. Covestro disclaims all liability for damages or losses arising from the use of samples.
Contact Information
Please use our contact form or contact us directly by sending an e-mail to technical-datasheets@cx.covestro.com .
