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Desmophen® 631 MPA

Desmophen® 631 MPA is a saturated polyester resin supplied in propylene glycol monomethyl ether acetate (PMA).

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About

Product Types

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Material

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General Characterization

Desmophen® 631 MPA is a saturated polyester resin supplied in propylene glycol monomethyl ether acetate (PMA).

Storage Conditions

- Storage in original sealed Covestro container.

- Recommended storage temperature: max. 30 °C.

- Protect from moisture, heat and foreign material.

General information: The product tends to separate after extended storage. After homogenization, the product can be used with no loss of quality.

Sampling

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Packaging Type

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Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
Equivalent weight avg. (as supplied) DIN EN ISO 2811-2 267
OH content DIN EN ISO 4629-2 % 6.4
Viscosity at 25 °C DIN EN ISO 3219/A.3 mPa*s 10,000 - 25,000
Appearance Yellowish liquid
Specific gravity at 25 °C 1.1
Hydroxyl number DIN EN ISO 4629-2 200 - 220
Flash point (Setaflash) DIN EN ISO 1523 °C 50

Specifications

Property Name Test Method Unit Value
Water content DIN 51777/1 % by wt. ≤ 0.1
Solids % by wt. 75 ± 2
Acid number DIN EN ISO 2114 max. 3.0
Viscosity at 23 °C DIN EN ISO 3219/A.3 mPa*s 11,000 - 27,800
Color value (Hazen) DIN EN 1557 ≤ 200

Downloads

Technical Data Sheet
Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com

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