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PVC Inflatable Fabric, Drop Stitch Fabric Manufacturers

Drop stitch fabric (also called double wall fabric) is a great material that we can use to achieve our many imaginations. Basically, we can use it to produce a Stand-up Paddleboard and sports mattress. Go further we can use it to make a wall of SPA, inflate tent, the roof of the float tank, and lifesaving mattress, etc. Even you can make a boat with 100% drop stitch material. You can also use PVC inflatable boat fabric and material for repair work. 
Ten thousand of 100% high strength threads between the top layer and bottom layer make the material be of high performance of strength. With different processing, it can be inflated up to 30 PSI while recommended pressure is 15 PSI. 

Zhejiang MSD Group Share Co.,Ltd.

Zhejiang MSD Group Share Co., Ltd. was established in 2002, and the company is headquartered in the Warp Knitting Industrial Park, Haining City, Zhejiang Province. MSD has always insisted on independent innovation, and has always regarded technology and product innovation as an important measure for the company to improve our nuclear competitiveness.Since our establishment, through continuous research and development, MSD has developed into a three-dimensional product system integrating environmentally friendly decorative materials, functional sports materials and other flexible materials and covering multiple application scenarios.

We are China PVC Inflatable Fabric Manufacturers and Wholesale Drop Stitch Fabric OEM Factory. Our main products include: Advertising flex banner, PVC calendered film, PVC ceiling film, Drop stitch fabric, sunshade fabric, PVC waterproof fabric, PVC mesh fabric,PVC tarpaulin and other products.

MSD welcomes new and old customers to achieve brilliant careers together!

  • 2002Year

    Founded In

  • 180000m²

    Factory Cover

  • 70+

    Global Business

Zhejiang MSD Group Share Co., Ltd.
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Drop Stitch Fabric and Inflatable Boat Fabric Industry knowledge

Key Technical Advantages of Drop Stitch Fabric in Inflatable Paddle Boards and Inflatable Boats

Drop Stitch Fabric is a composite material made of high-strength polyester or nylon yarns woven vertically and coated with TPU/PVC. Its application in the field of inflatable paddle boards (iSUP) and inflatable boats has completely changed the performance limit of traditional inflatable products.

1. Ultra-High Structural Stability: Vertical Yarn Weaving Technology

  • Core Principle: The uniqueness of Drop Stitch is that the upper and lower layers of fabric are connected by thousands of vertical yarns, forming a rigid "honeycomb structure" after inflation, and its deformation resistance is far superior to traditional single-layer PVC materials.
  • Industry Impact:
    • Inflatable paddle boards can withstand 15-25 PSI high pressure, comparable to the paddling stability of hard SUPs;
    • The deck bending strength of inflatable boats is improved to avoid the "soft bottom" phenomenon, suitable for high-speed sailing.

2. Perfect Balance Between Lightness and Portability

  • Material Comparison: Drop Stitch is 20%-30% lighter than traditional mesh fabrics, and has higher strength (tear resistance of 50-80 N/mm²).
  • User Value:
    • Inflatable paddle boards can be folded to the size of a backpack, weighing only 8-12kg, making them easy to transport;
    • Inflatable boats do not require trailers, and the storage volume is reduced by 60%, making them suitable for outdoor adventures.

3. Excellent Compression and Fatigue Resistance

  • Pressure Test Data:
    • In the cyclic inflation and deflation test (more than 10,000 times), Drop Stitch's seam strength loss is <5%, while ordinary PVC seams are prone to cracking;
    • Under dynamic loads (such as wave impact), vertical yarns disperse stress to avoid local bulging.

4. Customized Design and Production Flexibility

  • Process Advantages:
    • Yarn density is adjustable (such as 200-1000 strands/square meter) to meet different pressure requirements;
    • Can be laser cut and formed to support complex three-dimensional structures (such as the multi-chamber design of inflatable boats).
  • Innovative Products: Red Paddle Co.'s "RSS battens" technology embeds hard strips inside the Drop Stitch to further enhance rigidity.

5. Environmental Adaptability and Durability

  • Weather Resistance:
    • TPU coating is UV-resistant and salt-alkali-resistant, extending the outdoor service life to 5-8 years (about 3 years for ordinary PVC);
    • Performance is stable in the temperature range of -30°C to +80°C.
  • Maintenance Cost: No need for frequent glue repair (traditional PVC requires regular repair of seams), reducing long-term use costs.
Zhejiang MSD Group Share Co., Ltd.