Covestro Desmophen C2200 Linear Polycarbonate Diol 2000 Molecular Weight Solid - 广州昊毅新材料科技股份有限公司

Desmophen - Polyester

Covestro Desmophen C2200 Linear Polycarbonate Diol 2000 Molecular Weight Solid

                                                           

 

 

Features            Linear hydroxyl-terminated aliphatic polycarbonate diol, with a molar mass of about 2.000g/mol; used as a binder for high-grade polyurethane systems

  form of supply          Solvent free, waxy at room temperature

 

 Specification

characteristic

Numerical value

Units of measurement

method

Hydroxyl content

1.7±0.2

%

DIN 53240/2

Viscosity@75°C

2300±750

mPa·s

DIN EN ISO 3219/B

Hazen color value

≤150

 

DIN EN 1557

 

 Other data*

characteristic

Numerical value

Units of measurement

method

equivalent

1000

 

 

Density@20℃

1.14

g/cm3

DIN 51757

water content

0.05

%

DIN 51777/1

Acid value

0.1

mg KOH/g

DIN EN ISO 2114

*This data is general information and is not part of the product specification.

  Features/Applications  
   Combined with polyisocyanate as a high-grade binder for the formulation of polyurethane systems with good weather resistance, light resistance and hydrolysis resistance.

 

 store
- Store in original Bayer MaterialScience sealed container.
- Recommended storage temperature: 0-30℃.
- Avoid moisture, heat and foreign substances.
General Information: This product is hygroscopic and must be sampled before heating to about 60°C and stirring. Ingress of moisture must be avoided.

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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