8424
8424
The document provides detailed specifications for the High Performance 8424 Architectural Fabric, focusing on its physical properties, testing standards, and performance metrics.
Specifications and Testing Standards
- Finished Coated Weight: 24 oz/yd² with a tolerance of +2/-1 oz/yd² (814 g/m² with a tolerance of +70/-35 g/m²).
- Base Fabric: Polyester with a nominal weight of 5.0 oz/yd² (170 g/m²).
- Performance Tests: Various ASTM standards are used, including ASTM D751 for tensile and tear strength, ASTM D4533 for trapezoid tear, and ASTM D2136 for low temperature flexibility.
- Flame Resistance: Meets California fire marshal requirements, UL214, NFPA 701, and FTMS 191, Method 5903 with a 2-second flameout. ASTM E84 results show a flame spread index of less than 25 and a smoke development rating of less than 450.
Performance Metrics
- Tensile Strength: Grab tensile strength is 1669/1558 N, and strip tensile strength is 267/245 daN/5 cm.
- Tear Strength: Tongue tear strength is 712/712 N, and trapezoid tear strength is 267/245 N.
- Adhesion and Weld Strength: Adhesion is 9 daN/5 cm, and dielectric weld strength is 3.45 MPa.
- Hydrostatic Resistance: 500 psi.
- Dead Load Resistance: 472 N at room temperature and 236 N at 71°C.
- Low Temperature Performance: Passes at -40°C and -55°C (-40°F and -67°F).
Biaxial Stretch Test
The document includes graphs showing the percentage stretch under different load conditions for warp and fill directions at various ratios (1:1, 1:2, 2:1). These tests help in understanding the fabric's behavior under stress.
Additional Notes
The information is subject to revision as new knowledge and experience are gained. In case of conflict between standard and metric specifications, the standard shall apply. The document was last revised in August 2001.
Catalog excerpts
High Performance 8424 Architectural Fabric 8424 Architectural Base Fabric Type Base Fabric Weight (nominal) Finished Coated Weight ASTM D751 Tongue Tear ASTM D751 Adhesion ASTM D751 Dielectric Weld Hydrostatic Resistance ASTM D751 Procedure A Dead Load MIL-T-52983E (modified) Para. 4.5.2.19 2 in seam, 4 hr, 1 in strip 106 lbf @ room temp. 53 lbf @ 160° F 5 cm seam, 4 hr, 2.5 cm strip 472 N @ room temp. 236 N @ 71° C Trapezoid Tear ASTM D4533 Grab Tensile ASTM D751 Strip Tensile ASTM D751 Procedure B Flame Resistance Meets California fire marshal requirements, UL214, NFPA 701, and FTMS 191, Method 5903 - 2 second flameout ASTM E84 - flame spread index <25, smoke development rating <450 A RC H I T E C T U R A L FA B R I C S P E C I F I C AT I O N S 1000 VENTURE BLVD. WOOSTER, OHIO 44691 USA, U.S. Toll-Free: Phone 800-927-8578, Fax 800-649-2737 Phone 330-262-1111, Fax 330-263-6950 www.architecturalfabrics.com Email: [email protected] ©2001 Seaman Corporation
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High Performance 8424 Architectural Fabric Biaxial Stretch Test WARP AND FILL LOADED AT 1:1 RATIO Load, lbf/in WARP AND FILL LOADED AT 1:2 RATIO Load, lbf/in WARP AND FILL LOADED AT 2:1 RATIO Load, lbf/in We believe this information is the best currently available on the subject. We offer it as a suggestion in any appropriate experimentation you may care to undertake. It is subject to revision as additional knowledge and experience are gained. We make no guarantee of the results and assume no obligation or liability whatsoever in connection with this information. In case of conflict between standard...
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