POM Double twist stationery buckle
POM Double twist stationery buckle boasts exceptional rigidity, strength, hardness, excellent fatigue resistance, and a low coefficient of friction.
M Size: M4-M5.6
peek plastic material: POM
COLOR:Naturalcolor/pink/blue/orange.Othercolorscanbe Customizable
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POM Double twist stationery buckle Overview
POM (Polyoxymethylene, also known as Acetal) Double Twist Stationery Buckle is a specialized, lightweight fastening component primarily used in packaging, binding, and light industrial applications. POM is a highly crystalline polymer known for its high strength, low friction, and excellent dimensional stability, making it an ideal choice for a durable, reusable buckle mechanism.
I. Overview and Design
| Feature | Detail | Purpose |
| Material (POM) | Polyoxymethylene (Acetal). An engineering thermoplastic known for its stiffness, low friction, and resistance to moisture. | Ensures a durable, strong, and wear-resistant buckle that maintains its shape over repeated use. |
| Design (Double Twist Buckle) | Features two interconnected loops or twists that lock together when rotated. | Creates a secure, reliable, yet easily releasable mechanical lock that is operated without tools. |
| Application | Light-duty fastening, bundling, and securing of documents, packaging, or lightweight objects. | Provides a reusable, quick-release alternative to staples, string, or tape. |
Product Parameters
Below are representative dimensions for common stationery/binding applications:
| Designation | Overall Length (L) | Body Width (W) | Loop Diameter (Outer D) | Max Bundle Thickness (Approx.) |
| Small (S) | 30 mm | 5 mm | 10 mm | 5 mm |
| Medium (M) | 45 mm | 8 mm | 15 mm | 10 mm |
| Large (L) | 60 mm | 10 mm | 20 mm | 15 mm |
Key Features
The choice of POM material directly enhances the buckle’s functional characteristics:
High Strength and Stiffness: POM provides the necessary rigidity for the buckle mechanism to snap and hold securely without flexing excessively.
Excellent Fatigue Resistance: The buckle can withstand thousands of cycles of twisting, locking, and unlocking without breaking.
Low Friction/Wear: The material is self-lubricating, ensuring the twisting mechanism operates smoothly without excessive wear over time.
Dimensional Stability: POM resists swelling or warping due to moisture, maintaining the buckle’s precise locking action even in humid environments.
Aesthetic & Coloration: Easily molded and available in various colors for branding, organization, or aesthetic appeal.
Advantages vs Disadvantage
| Category | Advantage (Pro) | Disadvantage (Con) |
| Functionality | Quick Release: Allows for very fast, tool-free locking and unlocking. Reusable. | Low Load Capacity: Unsuitable for heavy structural loads; only designed for light bundling/fastening. |
| Material | High Durability and Fatigue Life due to POM’s inherent properties. Excellent resistance to abrasion and wear. | UV Sensitivity: Can degrade when exposed to prolonged, direct sunlight (though stationery use is typically indoors). |
| Cost | Cost-effective for high-volume, precision manufacturing. | Limited temperature range compared to high-performance plastics (max service temp around $90^\circ \text{C}$). |
Applications
The POM Double Twist Stationery Buckle is ideal for situations demanding reusable, fast-action binding:
Office and Document Management: Securing large stacks of papers, reports, or blueprints as an alternative to binder clips or rubber bands.
Retail and Packaging: Bundling small retail items, securing tags, or temporarily fastening product literature to packaging.
Hobby and Crafting: Used as a reusable, adjustable fastening device in textile or light fabrication projects.
Light Industrial Bundling: Organizing and bundling lightweight cables, wires, or inventory tags in non-critical indoor environments.
Packaging & Delivery
Standard packaging includes PE bag, foam cover, and one double-deck corrugated outer carton for safety during transit. Delivery time is 5-15 working days depending on the quantity.