Desmophen® 881 X

Hydroxyl-bearing polyester. Acts as a co-reactant for polyisocyanates in the formulation of air-drying two-pack coatings.

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Chemical nature: Hydroxyl-bearing polyester
Applications: clear & pigmented air-drying, two-pack polyurethane coatings for wood, metal and plastics
Handling: Is supplied as 75% in xylene., Can be thinned with aromatics hydrocarbons., Soluble in esters, ether esters, and ketones., It is compatible with Desmodur® L 75, 2681 PR, IL, IL 1351, HL and N 75, with other Desmophen® products, with short-oil Alkydal® products, with nitrocellulose and with PVA/PVC copolymers for polyurethanes.

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PropertyValueUnit

Hydroxyl percentage3.2 – 4%

Acidity number4 – 12mg KOH/g

Non-volatile materials74 – 76wt%

Water content<0.1%

Color (Iodine)<150 % solution, DIN EN ISO 1557

Viscosity10,000 – 15,00023°CcP

flash point28°C