Covestro Desmophen C2200 linear polycarbonate diol 2000 molecular weight solid

Features Linear hydroxyl-terminated aliphatic polycarbonate diol, molar mass is approximately 2.000g/mol; used as base material for high-grade polyurethane systems

Form of supply Solvent-free, waxy at room temperature

Specifications

Features	Value	Measurement units	Method
hydroxyl content	1.7±0.2	%	DIN 53240/2
Viscosity@75°C	2300±750	mPa·s	DIN EN ISO 3219/B
HazenColor value	≤150		DIN EN 1557

Other data*

Features	Value	Measurement units	Method
Equivalent	about1000
Density@20℃	about1.14	g/cm3	DIN 51757
Water content	about0.05	%	DIN 51777/1
acid value	about0.1	mg KOH/g	DIN EN ISO 2114

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

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

Save
- Store in original Bayer MaterialScience sealed containers.
- Recommended storage temperature: 0-30℃.
- Protect from moisture, heat and foreign matter.
General information: This product is hygroscopic and must be heated to approximately 60°C and stirred well before sampling. The ingress of moisture must be avoided.

Storage Time
Provided that the product is stored in full compliance with the requirements in the "Storage" clause above and handled appropriately, the product shall comply with the requirements within 6 months from the date of shipment stated on the transport document The specifications or characteristic values ​​stated in the "Specifications or Characteristic Values" clause above (as appropriate). If a product exceeds the above 6-month period, it does not mean that it no longer meets the specifications or the values ​​set in the characteristic values. However, it is recommended that products more than 6 months from the date of shipment be tested before use to confirm whether they still meet the values ​​set in the specifications or characteristic values. The manufacturer does not make any commitments for products that are more than 6 months from the date of shipment, nor does it assume any responsibility or liability for products that do not meet the specifications or the set values ​​in the characteristic values.

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mg KOH/g

DIN EN ISO 2114

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

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

Save
- Store in original Bayer MaterialScience sealed containers.
- Recommended storage temperature: 0-30℃.
- Protect from moisture, heat and foreign matter.
General information: This product is hygroscopic and must be heated to approximately 60°C and stirred well before sampling. The ingress of moisture must be avoided.

Storage Time
Provided that the product is stored in full compliance with the requirements in the "Storage" clause above and handled appropriately, the product shall comply with the requirements within 6 months from the date of shipment stated on the transport document The specifications or characteristic values ​​stated in the "Specifications or Characteristic Values" clause above (as appropriate). If a product exceeds the above 6-month period, it does not mean that it no longer meets the specifications or the values ​​set in the characteristic values. However, it is recommended that products more than 6 months from the date of shipment be tested before use to confirm whether they still meet the values ​​set in the specifications or characteristic values. The manufacturer does not make any commitments for products that are more than 6 months from the date of shipment, nor does it assume any responsibility or liability for products that do not meet the specifications or the set values ​​in the characteristic values.

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