Characterization Waterbased aliphatic blocked polyisocyanate.

In *bination with Bayhydrol^® polyols, Imprafix^® IO 3388 Dispersion can  be used for the formulation of water-reducible, lightfast one-*ponent polyurethane baking coatings and as an additive in waterborne baking systems to improve flexibility, impact strength and adhesion.

Form supplied approx. 45 %

Specification

Property Value Unit of measurement Method

Non-volatile content (0.9 - 1.1g/1h/105°C, convectionoven)

44 - 46 % DIN EN ISO 3251

Flow time at 23 °C, 4 mm cup 10 - 30 s AFAM 2008/10503

pH value 7 - 9 DIN ISO 976

Other data*

Property Value Unit of measurement Method

NCO content (blocked, calculated on solid resin)

12.5 %

*These values provide general information and are not part of the product specification.

Storage - Storage in original sealed Covestro container.

- Re*mended storage temperature: 5 - 30 °C.

- Protect from frost, heat and foreign material.

General information : The product can not be used if it has been frozen.

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 *pliance 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 re*mends 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.

Labeling and statutory requirements This product data sheet is only valid in conjunction with the latest edition of the

corresponding Safety Data Sheet. Any uPDAting of safety-relEVAnt information

– in accordance with statutory requirements – will only be reflected in the Safety Data Sheet, copies of which will be revised and distributed. Information relating to the current classification and labeling, applications and processing methods and further data relevant to safety can be found in the currently valid Safety Data Sheet.