5# TPU Waterproof & Airtight Zippers — Close End

Category: TPU Waterproof Zippers

Product Description

High-performance 5# TPU Waterproof & Airtight Zippers — Close End, close-end design, engineered for reliable protection in both water- and air‑sensitive applications. Certified waterproof grade: IPX6 (SGS certified).

Product Specifications

• Order Length: 10 cm to 5000 cm
• Zipper Color: Black or customized colors
• Teeth Material: Polyester coil zipper
• Base Fabric: Polyester coated with TPU
• Width of Zipper Teeth: 5 mm
• Total Zipper Width: 32 mm
• Air Tightness: ≤ 30 kPa
• Waterproof Grade: IPX6+
• Zipper Slider & Puller Options: Metal or plastic sliders; round or T‑shaped pullers
• Connection Method: Hot welded (RF)

Product Technology & Performance

• Lateral Breaking Strength of Zipper Chain: ≥ 700 N/in
• Load to Displace Metal Top Stops: ≥ 250 N
• Force to Operate Slider Along Chain: ≤ 20 N
• Force to Dock/Undock Slider: ≤ 55 N
• Reciprocating Requirement: ≥ 2000 cycles
• Weight: 50 g/piece (100 cm zipper length)

Applications

Ideal for professional sealed-use scenarios, including:

• Soft ice buckets, incubators, refrigerators, waterproof fresh‑keeping containers
• Outdoor ice buckets, car fresh‑keeping ice buckets for sports activities
• Outdoor snorkeling bags, waterproof backpacks, swimming bags, travel bags
• Waterproof covers for digital products & electronics, protective boxes
• Outdoor sportswear, jackets, clothing pockets, storage bags, protective clothing
• Waterproof tents, disaster relief tents, and other outdoor gear

Highlights

• Durable and flexible TPU material
• Excellent waterproof performance
• Wide customization: length, color, slider, puller design
• Certified quality, tested for strength, durability, and reliability