Extrablock
Designed for strength and durability, Alnet’s Extrablock shadecloth protects against all of nature’s extreme. It meets the highest standards and is knitted to be dimensionally stable for easy fabrication. Extrablock also comes in 18 California Fire Marshall approved colors and is backed by a 10-year warranty to demonstrate our dedication to quality, durability and safety.
Mass | Thickness | Fabric Width | Strip Tensile | Elongation at Break | Tearing Strength – Tongue Tear | Burst Strength | Burst Strength | Air Permeability | Temperature Stability | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Test Method | ASTM 3776 | ASTM 1777 | ASTM 3774 | ASTM D 5034 | ASTM D 4595-87 | ASTM D 2261 | ASTM 3787 Ball | ASTM 3786 Mullen | ASTM D704 | ||||
Warp | Weft | Warp | Weft | Warp | Weft | cfm/ft2 | |||||||
US | 9.6 oz/yd | 50.4 mil | 118 in. | 278 lbf | 340 lbf | 71% | 74% | 33 lbs | 36 lbs | 363 lbs | 460 psi | 263.5 | -13°F +176°F |
Metric | 325 gsm | 1.28mm | 3 m | 1236 N | 1512 N | 71% | 74% | 147 N | 160 N | 1615 N | 3172 kPa | -25°C +80°C |