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Imprafix® 2794

Waterbased aliphatic blocked polyisocyanate.Imprafix® 2794 is crosslinker with improved reactivity and thermostability (yellowing). It is being used for textile coatings based on Impranil and Impraperm Polyurethane Dispersions.

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Material

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General Characterization

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Storage Conditions

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Sampling

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Packaging Type

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Technical Properties & Datasheets

Form supplied

approx. 38 % in water

Specification

Property Test Condition Value Unit Standard
Non-volatile content (1g / 60min / 105°C) 38,0 ± 1 % DIN EN ISO 3251
Viscosity at 23 °C, D = 40 s^-1 < 100 mPa*s DIN EN ISO 3219/A.3
pH-value at 20 °C 6,5 - 8,5 DIN ISO 976

Typical Values

Property Test Condition Value Unit Standard
NCO content (blocked, calculated on solid resin) 11,5 ± 0,5 %

Solubility / thinnability

Imprafix® 2794 can be thinned with water. The compatibility and storage stability of the thinned solutions should always be tested, particularly if cosolvents are used.

Storage

- Storage in original sealed Covestro container. - Recommended storage temperature: 5 - 23 °C. - Protect from moisture, heat and foreign material.

Storage time

Covestro represents that, for a period of six 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 six 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 six 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 six months period.

Downloads

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