CFR1633 Flame retardant Non-Woven Fabric Widly use in padding,quilt,winter cloth,sleeping bag... ... ,quilt,garments,sleeping bag,air filter,etc.The composition are viscose or mixed with basofil fiber,modacrylic,polyester fiber,...The process ... retardant.The fabric can pass CFR1633,CA117. CFR1633 Flame retardant Non-Woven Fabric