HD-4638

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HD-4638

Soft, aliphatic, water-borne, polyurethane dispersion.

HD-4638 was designed for use in textile applications as a versatile polyurethane coating. Due to its overall properties, HD-4638 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 is also suitable for textile coating applications that require excellent low temperature flexibility and crack resistance

Characteristics:

  • Superior flexibility
  • Soft, tough, flexible, dry film
  • Excellent UV resistance
  • Very good abrasion resistance
  • Superior low temperature flexibility and crack resistance
  • High melting point (320°F)
  • Good strength properties
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Description

Solids 38% (±1%)

Viscosity 50-500 cps

pH 7.5-10.0

Density 8.7 lb/gal

SOFTENING POINT: 320°F

VOC CONTEN: 16 g/l (as supplied)

ELONGATION: 600 %

TENSILE STR. 3,000 psi

100% MODULUS: 770 psi

200% MODULUS: 1050 psi

300% MODULUS: 1380 psi

 

Additional information

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