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.
Product description
Baymedix MP325 is a modified diphenyl-methane-4,4'-diisocyanate (MDI) which is liquid at room temperature.
Form supplied
Form supplied is a colorless to yellowish liquid of medium viscosity at temperature above 20°C that crystallizes at lower temperatures.
Specification
| Property | Test Condition | Value | Unit | Standard |
|---|---|---|---|---|
| NCO content | 22,5 - 23,5 | % | ||
| Viscosity | at 25°C | 500 - 700 | mPa∙s | |
| Hydrolysable Chlorine (CI) | max. 50 | mg/kg |
Typical Values
| Property | Test Condition | Value | Unit | Standard |
|---|---|---|---|---|
| Density | at 25°C | approx. 1,21 | g/cm3 | |
| Phenyl isocyanate content | ≤ 10 | mg/kg | ||
| Solidification temperature | < 20 | °C |
Storage
Baymedix MP325 should be stored in tightly sealed original containers and protected from moisture, heat, and foreign materials. The product is sensitive to moisture and should therefore be stored in its sealed original containers. Prolonged storage at temperatures above 25°C results in a deterioration in quality as the product becomes increasingly turbid owing to the formation of a sediment (dimers) that is not readily soluble. For example, storage stability at 40°C is limited to a maximum of 4 months. Storage at too low temperature results in crystallization which starts at temperatures below 20°C. To prevent crystallization, it must be ensured that the product does not cool to below 20°C. The product should be checked for crystallization on delivery. If crystallization has occurred during transportation, the product should be returned immediately. Freshly crystallized Baymedix MP325 during storage at customer site should be re-melted immediately by heating to a maximum temperature of 60 to 70°C. In doing so, it is important to ensure that the entire contents of the drum are melted and homogenized. The drum should then be kept sealed at the standard storage temperature (20 to 25°C). Recommended storage temperature is 20º-25ºC.
Storage time
Baymedix MP325 has a shelf life of six months from date of receipt at customer, provided the material is stored in sealed original containers at the recommended storage temperature.
Processing
It must be ensured that the containers - including those that are empty – are kept sealed. Above all, contact with water must be prevented as it reacts with Baymedix MP325 to form polyureas and carbon dioxide. During storage, sample withdrawal, transfer and processing of Baymedix MP325, the ingress of water in any form (damp containers, anhydrous solvents, moist air) must be prevented as otherwise the formation of carbon dioxide may cause a dangerous increase in pressure in the tanks and containers. Furthermore, the formation of polyureas in Baymedix MP325 may cause turbidity and possibly solid deposits which may then block filters, pumps and pipelines. Drums must not be emptied under pressure, but either by means of a pump or siphon or by pouring.This rules out processing direct from the drum under pressure.
Health and Safety Information
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, 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.
Conditional Use for Medical Applications
This product may be suitable for certain medical application (e.g., medical devices). Use of this product in any medical application is subject to the requirements in Covestro’s guidance document ‘Guidance on Use of Covestro Products in a Medical Application’. As discussed in the document, limited applications require prior written approval from Covestro. Covestro disclaims all liability for medical uses not in compliance with this guidance.
Guidance on Use of Covestro Products in a Medical Application
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 .
