• Coatings, paints & inks

Baybond® PU 401 A

Anionic/non-ionic polyester urethane polymer.

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About

Product Types

  • Dispersion
  • Waterbased dispersion
  • PU dispersion
  • Glass fiber sizing dispersion

Material

Coatings, paints & inks
Waterborne

General Characterization

No data available

Storage Conditions

No data available

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Product description

Anionic/non-ionic polyester urethane polymer.

Applications

Baybond® PU 401 A was developed for the sizing of glass fibers used to reinforce thermoplastics, particularly polyamide.

Form supplied

Dispersion in water with a non-volatile content of approx. 50 %

Specification

Property Test Condition Value Unit Standard
Non-volatile content 48.0 - 52.0 % M020 - ISO 3251
Dynamic viscosity 23 °C < 2,000 mPa·s M092 - ISO 2555
pH-value 20 °C 6.5 - 8.5 M022 - ISO 976

Principal properties

  • excellent film-forming properties
  • very good adhesion
  • high color fastness, even under thermal stress
  • remains very stable against shear forces

Solubility / thinnability

Baybond® PU 401 A can be thinned in any ratio with deionized water.

Compatibility

Generally speaking, the product is compatible with the additives normally used in the formulation of glass sizes, e.g. adhesion promoters, lubricants, antistatic agents and plasticizers

Storage

- Storage in original sealed Covestro container.

- Recommended storage temperature: 5 - 30 °C.

- Protect from direct sunlight, frost, heat and foreign material.

General information: The product is sensitive to frost. Freezing can damage the product irreversibly. Prolonged storage at higher temperatures may affect the product properties. Containers must be kept sealed and protected from direct sunlight as otherwise the evaporation of water will result in the formation of a non-redispersible polymer film.

Storage time

Covestro certifies that the product meets specifications for 12 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 12 months.

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 .

Downloads

Technical Data Sheet
Download
Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com

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