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  • DX-75 Aromatic Polyisocyanate

DX-75 Aromatic Polyisocyanate


Categories: Aromatic Polyisocyanate L 75


Doxu DX-75 is an aromatic polyisocyanate based on TDI toluene diisocyanate. Form supplied is approximately 75% in ethyl acetate. Mainly used in 2 component polyurethane wood paint as the hardener component.

DESCRIPTION


Characteristic

Colorless, high gloss, good film builds, high hardness, good adherence, excellent chemical resistance, good storage stability.


Applications

1、Curing agent for PU paint

2、Cross linking agent


Specifications

Specifications

Properties

DX-75

Appearance

Colorless to slightly yellow liquid

Color(Fe-Co)

≤1

NCO content (%)

12.8±1

Solids content (%)

75±2

Viscosity at 25℃ (cps)

6000±3000

Solubility in dimethylbenzene

≥150


Solubility

Soluble in esters, ketones, aromatic hydrocarbons. limitedly soluble in aromatic solvent, insoluble in aliphatic solvent. Please test the stability in the solvent and the effect of film before using.


Warning

1. Solvents, pigments, or extenders, etc. used should be free from compounds containing active hydrogen groups such as water, alcohols, or amines. It is recommended to use “urethane grade” solvents for the dilution (with water content below 500 ppm) , and ≥25% solids content after diluted is recommended.

2. The product is sensitive to moisture and should be kept in its original container or in a volume tank under dry nitrogen blanketing, for example.

3. Appropriate storage for 6 months does not normally affect the product in any way if it is stored in its sealed original drums in proper storage conditions at temperatures below 40°C.


Packing

Net weight: 220KG/drum