Patent ID: 11891731
Assignee: SOUTHERN MILLS, INC.
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC D | IPC A  D

Claim 12:
13. A flame resistant fabric formed by first yarns and a second yarns and having a fabric fiber blend, wherein the fabric has a first side and a second side opposite the first side and wherein:
i. the first yarns comprise a first yarn fiber blend;
ii. the second yarns comprise a second yarn fiber blend that is different from the first yarn fiber blend;
iii. the fabric fiber blend comprises cellulosic fibers, aramid fibers, modacrylic fibers, and 30-50 wt. % FR nylon fibers;
iv. the first yarns are predominantly exposed on the first side of the fabric;
v. the second yarns are predominantly exposed on the second side of the fabric;
vi. the fabric has a char length of 6 inches or less and an afterflame of 2 seconds or less when tested pursuant to ASTM D6413 (2015);
vii. the fabric has a fabric weight between 5 to 7 ounces per square yard, inclusive;
viii. the fabric has a break strength of at least 150 pounds force in a warp direction of the fabric and of at least 100 pounds force in a fill direction of the fabric;
ix. the fabric has a tear strength of at least 8 pounds force in at least one of the warp direction or fill direction of the fabric; and
x. the fabric achieves a predicted burn injury percentage of 30% or less after 4 seconds, when tested pursuant to ASTM F1930 (2018).