Dar-Tech Hauthane - HD-4638 DMM - PU - Base Coat

Identification & Functionality

Features & Benefits

Labeling Claims: APEO-Free
CASE Ingredients Features: Abrasion Resistance,
Crack Resistance,
Improved Flexibility,
UV Resistance
Characteristics: Forms soft, flexible, dry films

Excellent UV-resistance

Good abrasion resistance

Superior low temperature flexibility and crack resistance

High melting point (320°F)

Contains dipropylene glycol dimethyl ether (DMM) co-solvent

Applications & Uses

Markets: Printing & Packaging
Applications: Printing & Packaging — Printing & Inks
Inkjet Printing
Application Method: Air Knife Coating
Compatible Substrates & Surfaces: Leather,
Textiles
Coating Type: Base Coat
Ink & Toner Type: Inkjet Ink
Suggested Uses: HD-4638 DMM was designed for use in textile applications as a versatile polyurethane coating. Due to its overall properties, HD-4638 DMM can be used as a finish or a coating for many textile applications.

This product is ideally suited for use as an anti-fray finish on textile fabrics that must have a soft hand. HD-4638 DMM is also suitable for textile coating applications that require excellent low temperature flexibility and crack resistance.
Application Method & Curing: Spray or pad -- solids may be adjusted for optimum add-on. Rheology may be modified with associative thickeners for knife coating applications.

Curing

HD-4638 DMM will form a film at ambient temperatures. Typical oven drying temperatures and dwell times for aqueous coatings are sufficient to produce optimal film properties.

Properties

	Value	Units	Test Method / Conditions
Elongation (20 Inches/Minute)	600.0	%	—
Modulus (100%, 20 Inches/Minute)	770.0	psi	—
Modulus (200%, 20 Inches/Minute)	1050.0	psi	—
Modulus (300%, 20 Inches/Minute)	1380.0	psi	—
Ultimate Tensile Strength (20 Inches/Minute)	3000.0	psi	—

Regulatory & Compliance

Packaging & Availability

Dar-Tech Hauthane HD-4638 DMM