Waterborne polyurethane resin WPU-835N

Product description

WPU-835N is anionic aliphatic polyurethane aqueous dispersion copolymerized by aliphatic isocyanate and polyhydric alcohols. It has features of:

Non-toxic, solvent free, no odor, formaldehyde-free and no DMF;

Excellent cold resistance and flexing endurance;

Excellent wear resistance, drying property;

Excellent elongation;

Scope of application:

Applied in middle and high grade sofa leather, garment leather and instep leather;

Can be used together with other anionic resin of ours;

Can be used in white leather and textile coating layer;

Technical parameter:

appearance: milk white emulsion

solid content: 35±2％

PH: 7～9

viscosity: 200±50cps(25℃)

Features of coating:

100% tensile modulus(MPa):10—12

tensile strength(MPa): ≥35

elongation at break(%): ≥500

Packaging and storage

25kg, 50kg, 120kg each drum in plastic drum or on requirement;

Storage temperature: 5℃－35℃;

Shelf life: 12 months

Properties

This product is used to manufacture all kinds of walking wheels, rubber rollers, rubber rods, rubber plates, sealing elements, etc. It is used for Finishing wool, silk, cotton and blended fabrics, knitted fleece fabrics, medium and long wool like fleece fabrics, etc. It is used for surface finishing of all kinds of woodwork, chemical equipment, telecommunications equipment and instruments and all kinds of transportation tools. It can be used to make plastic products, wear resistant synthetic rubber products, synthetic fibers, hard and soft foam products, adhesives and coatings.

CAS No.

9009-54-5

Formula

C3H8N2O

Molecular Mass

88.109

Exact Mass

88.06370

PSA

56.11000

Logp

0.57930