Covestro Desmodur XP 2802 Multifunctional carbodiimide water-based crosslinker - 广州昊毅新材料科技股份有限公司

water-based adhesive raw materials

Covestro Desmodur XP 2802 Multifunctional carbodiimide water-based crosslinker

                                                      

 

 

Product introduction

Desmodur® XP 2802 is an aqueous dispersion of hydrophilically modified multifunctional carbodiimide. It is a crosslinker for waterborne adhesives and coating systems

characteristic

multifunctional carbodiimide

form of supply

Yellowish, cloudy, aqueous dispersion

 

  Characteristic data*

characteristic

Numerical value

Units of measurement

method

Non-volatile component content (0.5g/120min/125℃)

about 40

%

DIN EN ISO 3251

Viscosity@23°C

about 30

mPa·s

DIN EN ISO 3219/A.3

-N=C=N-content

about 1.0

DCC eq.(mmol/g)

internal method

*This data is for reference only, and the product specifications that should be followed are subject to the final published information.

 

Other data**

characteristic

Numerical value

Units of measurement

method

Density@20℃

1.03

g/cm3

DIN 51757

**This data is general information.

  Features/Applications
      Desmodur® XP 2802 can be used to crosslink carboxyl-containing polymer dispersions. It is recommended to add 5-10 mass of Desmodur® XP 2802 to 100 mass of polymer dispersion, the exact amount depends on the polymer content of the aqueous polymer dispersion. This product is characterized by a long operating time, which must be analyzed on a case-by-case basis.

store
- Store in the original airtight Covestro container.
- Recommended storage temperature: room temperature (about 23°C), temperature higher than 30°C should be avoided.
- Protect from direct sunlight, freezing, heat and foreign substances.
General Information: This product is sensitive to freezing and therefore should not be stored at temperatures below 5°C.
Containers must be tightly closed.

storage time
Provided that the product has been stored in full compliance with the requirements in the "Storage" clause above and handled properly, the product meets the specifications stated in the "Specifications or Characteristic Values" clause above for a period of 6 months from the date of shipment stated on the shipping document or characteristic value (as applicable). The fact that a product exceeds the 6-month period above does not mean that it no longer meets the specifications or the values ​​set in the characteristic values. However, it is recommended that products older than 6 months from the date of shipment be tested prior to use to confirm that they still meet the values ​​set in the specifications or characteristic values. The manufacturer makes no commitments for products older than 6 months from the date of shipment, and does not assume any responsibility or liability for non-conformance to specifications or set values ​​in characteristic values.
 

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