Birmingham Rubber & Gasket will provide in-house fabric-based solutions for belting, boots, gaskets, and curtains, in addition to many other sewn-to-order products. The use of heavy weight thread in our sewing process will make our stitched products long-lasting and durable. The application of industrial sewing is as creative and varied as are the projects.

APPLICATIONS

Stitching extra heavy-weight materials for such operations and products as safety and logging belts, cargo slings, fabric structures, construction barriers, industrial bags, and boot stitching.

FEATURES OF OUR MACHINE: CONSEW MODEL 733R-5

• Needle: 1000 or 1000H

• Clearance Under Presser Foot: 1 1/4″ (32mm)

• Stitch Type: 301

• Needle Bar Stroke: 2 3/32″ (53mm)

• Stitches Per Minute: 550

Our number one choice for thread is Kevlar. Kevlar is about 2½ times stronger than nylon and polyester, has very little stretch, does not melt, and decomposes at 800ºF. This makes it a great choice for high stress applications including sewing seams on heavy duty clothing, conveyor belts, harnesses and bags, reinforcing plastics, and other fibers, and even providing high-temperature controls for model airplanes and rockets. To put Kevlar thread in perspective, here is a side-by-side comparison of Kevlar and three other middleweight (Size 92) threads:
Type of thread Kevlar Nylon Polyester Nomex

Tensile strength 30 Lbs. 15 Lbs. 15 Lbs. 9 Lbs.

Stretch before breaking 2% 26% 26% N/A

Heat decomposition 800ºF 485ºF 485ºF 700ºF