Aromatic polyisocyanate based on diphenylmethane diisocyanate.Raw material for blocked isocyanates.
Product description
Form supplied
Solvent-free brown liquid
Specification
| Property | Test Condition | Value | Unit | Standard |
|---|---|---|---|---|
| Isocyanate content | 32,6 ± 0,5 | % | (2011-0248603-94) | |
| Viscosity at 25 °C | 17 ± 4 | mPa*s | (2011-0313703-95) | |
| Total chlorine | ≤ 1,200 | ppm | (2301-0132703-95) | |
| Acidity | (calculated as HCI) | ≤ 100 | ppm | (2011-0461102-96) |
Typical Values
| Property | Test Condition | Value | Unit | Standard |
|---|---|---|---|---|
| Equivalent weight | approx. 130 | |||
| Flash point | approx. 193 | °C | DIN EN 22 719 | |
| Density at 20 °C | approx. 1,21 | g/ml | DIN 53 217/5 |
Storage
- Storage in original sealed Covestro container. - Recommended storage temperature: 25 - 40 °C. - Protect from moisture, heat and foreign material. General information: The product is sensitive to moisture and should therefore be stored in its sealed original containers. Storage at higher temperatures may result in an increase in viscosity and at lower temperatures in the formation of crystalline deposits.
Storage time
Covestro represents that, for a period of three months following the day of shipment as stated in the respective transport documents, the product will meet the specifications or values set forth in section "specifications or characteristic data" above, what ever is applicable, provided that the product is stored in full compliance with the storage conditions set forth in and referenced under section "storage" above and is otherwise handled appropriately. The lapse of the three months period does not necessarily mean that the product no longer meets specifications or the set values. However, prior to using said product, Covestro recommends to test such a product if it still meets the specifications or the set values. Covestro does not make any representation regarding the product after the lapse of the three months period and Covestro shall not be responsible or liable in any way for the product failing to meet specifications or the set values after the lapse of the three months period.
Health and Safety Information
Before working with this product, you must read and become familiar with the available information on its risks, proper use, and handling. Information is available in several forms, e.g., in particular in the currently valid safety data sheets and product labels. For further information contact your Covestro representative.
Disclaimer
Contact
Please use our contact form or contact us directly by sending an e-mail to technical-datasheets@cx.covestro.com .
