Knowde Enhanced TDS
Identification & Functionality
- Carrier
- Chemical Family
- CASE Ingredients Functions
- Technologies
- Product Families
Features & Benefits
- CASE Ingredients Features
Applications & Uses
- Applications
- Application Method
- Compatible Polymers & Resins
- Compatible Substrates & Surfaces
- Coating Type
- Ink & Toner Type
- Product Uses
- 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.
- Product Applications
- Spray or pad, solids may be adjusted for optimum add-on.
- May be thickened with HA-900 for knife coating.
Properties
- Physical Form
- Physical Properties
- Mechanical Properties (TPE)
| Value | Units | Test Method / Conditions | |
| Solids | 37 - 39 | % | - |
| Viscosity | 50 - 500 | cps | - |
| pH | 7.5 - 10.0 | - | - |
| Density | 8.7 | lbs/gal | - |
| Softening Point | 320 | °F | - |
| VOC Content (as supplied) | 16 | gm/l | - |
| Value | Units | Test Method / Conditions | |
| Elongation | 600 | % | Tested at 20 inches/minute |
| Tensile Strength | 3000 | psi | Tested at 20 inches/minute |
| 100% Modulus | 770 | psi | Tested at 20 inches/minute |
| 200% Modulus | 1050 | psi | Tested at 20 inches/minute |
| 300% Modulus | 1380 | psi | Tested at 20 inches/minute |
Technical Details & Test Data
- Curing
- Excellent strength properties as supplied.
- Melamine-formaldehyde crosslinkers, such as Cytec’s Cymel 385 (3 - 6 phr), will provide improved performance.