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Desmodur® 1520 A20

A dark-brown, liquid blend of diphenylmethane-4,4'-diisocyanate (MDI) with isomers and homologues of higher functionality. It is classified as a polymeric MDI (PMDI). Desmodur 1520 A20 is used for the production of polyurea-bonded particleboard and mouldings made from agricultural and forestry products and waste. When manufactured accordingly, particleboard produced using Desmodur 1520 A20 satisfy the requirements of EN Standard 312 (respectively flat pressed board for the building industry; types V20, V100 and V100G)NCO Content ca. 31 %

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Product Types

  • Aromatic polyisocyanate

Material

No data available

General Characterization

Desmodur 1520 A20 is a dark-brown, liquid blend of diphenylmethane-4,4'-diisocyanate (MDI) with isomers and homologues of higher functionality. It is classified as a polymeric MDI (PMDI). Desmodur 1520 A20 is used for the production of polyurea-bonded particleboard and mouldings made from agricultural and forestry products and waste. When manufactured accordingly, particleboard produced using Desmodur 1520 A20 satisfy the requirements of EN Standard 312 (respectively flat pressed board for the building industry; types V20, V100 and V100G)

Storage Conditions

Recommended storage temperature: Storage stability :+ 10 to + 30 *C.
Storage stability (ex works): 6 months if stored under moisture-free conditions.

Sampling

Moisture access should be prevented when taking product samples.

Packaging Type

Drums, IBCs, tank containers and tank trucks

Technical Properties & Datasheets

Property Name Test Method Unit Value
Density 20 °C DIN 51757 g/cm³ approx. 1.23
Coefficient of thermal expansion K-1 6.59 . 10-4
Specific heat (cp) kJ/kgK approx. 1.51

Property Name Test Method Unit Value
Acidity MDI-01-03 ppm HCI max. 200
NCO-content MDI-01-01 % by wt. 30.5 - 32.5
Viscosity 25 °C*) MDI-01-02 mPa*s 160 - 240

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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