2 Inch (50mm) VELCRO® Sew-on Tape Fastener Hook (Sold per Yard)
2 Inch Sew-on Tape Fastener Hook
Meets Mil-Spec AA55126A
| Physical Characteristics | ||
| Test Material: 100% Nylon Touch Fastener | ||
| Heat Resistance | Melting point: Hook 230°C ,Loop 180C Maintains normal bonding performance during 1000 hours at the temperature of 93°C to 56.7°C. | |
| Cold Resistance | Still works when temperature is -20°C, and the lower the temperature is, the larger the strength becomes, but with a decrease in durability. | |
| Water Resistance | Retains 50% of closure strength in water and recovers 100% of strength after drying. | |
| Chemicals Resistance | Alkali: Within 50% of Alkaline Soda. Within 28% of Ammonia. Acid: Within 2.5% of Hydrochloric Acid,15% of Sulphuric Acid, and 3.5% of Nitric Acid. |
|
| Color Fastness | ||
| Test Material: 100% Nylon Touch Fastener | ||
| Testing Mode | Testing Standard | Grade |
| Color Fastness to Washing | AATCC-61-1980-II A | 3.5 |
| Color Fastness to Crocking | AATCC-TEST METHOD 8-1980 | 3.5 |
| Strength Test | ||
| Test Material: 100% Nylon Touch Fastener | ||
| Strength / Wheel Cycle | Peel Strength Lengthwise (g/cm) |
Shear Strength Lengthwise (g/cm) |
| Original | 250 | 850 |
| 1000 Times | 215 | 740 |
| 3000 Times | 182 | 688 |
| 5000 Times | 165 | 637 |
