Infinity Thread Industries

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Woven Sack & Fibc Jumbo Bag Thread

Woven sack stitching thread is a strong, durable thread used to sew polypropylene sacks, ensuring secure packaging of goods like grains and fertilizers. Made from polyester, nylon, or polypropylene, it resists heavy loads, abrasion, and environmental conditions, with some threads coated for smoother stitching.

Products Name Size & Material Description Application

Woven Sack Stitching Thread

840 Denier TO 3000 Denier
Woven Sack Bottom Stitching Bag

Bag Closing Thread

500/2, 600/2, 840/2 and 840 Single
Bag Closing Thread

Juki Thread

1000/2
FIBC Jumbo Bag Stitching Thread

Woven Sack Stitching Thread

Bag Closing Thread

Juki Thread

Woven sack threads are high-performance industrial threads used in the stitching of woven sacks and FIBC jumbo bags. These threads are essential in ensuring seam strength, packaging durability, and long-term resistance to environmental factors. At Infinity Thread Industries, we manufacture premium-quality threads specifically designed for heavy-duty packaging operations.

Here Are Some Key Points About Woven Sack & Fibc Jumbo Bag Thread

Fiber Type & Composition

We use 100% high-tenacity polyester to make our threads because it offers superior tensile strength, excellent weather resistance, and consistent performance during high-speed stitching. This fiber composition not only ensures reliable seam integrity under high load but also withstands rough handling, so your products remain durable and dependable.

Thread Structure & Design

We engineer our threads using a multi-filament twisted construction because it enhances strength and improves stitch consistency. The balanced twist promotes smooth feeding and reduces linting, while also minimizing thread breakage during long production runs—so you can maintain efficiency without compromising quality.

Load-Bearing Capacity & Denier Range

We provide various denier options—including 840D, 1000D, and 1200D—because different bag weights and use-cases demand specific thread strengths. We also test these threads thoroughly to ensure they support the seam strength needed for woven sacks and FIBC bags, which often carry several hundred to thousands of kilograms of material.

Environmental Resistance

We offer our woven sack threads with UV-resistant finishes because they need to perform reliably during outdoor storage and transport. These threads also resist moisture and abrasion, so they help extend the life of both the thread and the packaging product. And thanks to their durable construction, they maintain performance even in tough environmental conditions.

Color & Customization Options

We offer threads in standard white, but we also provide custom colors upon request. This flexibility allows manufacturers to match the thread color with their brand guidelines and product aesthetics, so they can maintain both visual consistency and brand identity.

Compatibility with Stitching Machines

Our threads deliver smooth performance on portable bag-closing machines, automatic sack stitching lines, and industrial FIBC fabrication setups. They work seamlessly with both single- and double-needle systems, so manufacturers can count on consistent results and greater versatility across various production lines.

Compliance & Quality Standards

We test each batch for tensile strength, elongation, and friction resistance to ensure consistent quality and durability. Our threads also meet industry standards for safe working load (SWL) and safety factor (SF) compliance, so they are fully suitable for FIBC and woven sack manufacturing. And because we prioritize safety and performance, manufacturers can rely on our threads for demanding applications.