1. Product Overview
Black cable tie, also known as black tie wraps, are commonly used for various electrical wiring, outdoor infrastructure construction, solar installations, automotive wire management, communication equipment fastening, and industrial cable organization. This product line is available in three different materials: Nylon 6, Nylon 66 and UV-stabilized Nylon 66+UV modified specifications. Specifically, the UV-treated cable tie plastic black incorporates carbon black and UV stabilizer additives so that it maintains stable performance in long-term outdoor environments and is less prone to aging, cracking, surface chalking, or color fading.
The product covers a variety of sizes, load ratings, and packaging formats; supports customer customization (OEM/ODM); and can be used with specialized cable tie guns to significantly improve installation efficiency.
2. Material and Structure Analysis
2.1 Materials of Black Cable Tie
Nylon 6
Nylon 6 offers good strength, toughness, and flexibility, suitable for indoor light-load scenarios such as low-voltage wiring and household cable management. This material is cost-effective but is slightly inferior to Nylon 66 in high-temperature resistance and outdoor weatherability; therefore, it is not recommended for long-term outdoor exposure.
Nylon 66
Nylon 66 has higher crystallinity and performs better in tensile strength, wear resistance, and heat resistance. Its material stability is strong, and it is commonly used for engineering and industrial-grade ties, suitable for cabinet equipment, machine component bundling, and medium to high-load applications.
Nylon 66 + UV Modified (Outdoor Grade)
Built on Nylon 66, carbon black and UV stabilizers are added to create a material specifically designed for outdoor use.
Carbon black UV protection mechanism: it absorbs and scatters ultraviolet rays, effectively preventing UV from breaking nylon molecular chains, thereby significantly reducing material embrittlement and surface chalking risks.
Synergy with UV stabilizers: further improves the material’s weather resistance, slows down aging, and extends service life in outdoor environments. This material is ideal for outdoor engineering, solar equipment, communication base stations, and monitoring poles exposed to long-term sunlight.
2.2 Structure Analysis
Self-locking Head (Ratchet Mechanism)
The head uses a unidirectional ratchet self-locking mechanism; when a black nylon cable tie is inserted, the pawl automatically engages, creating a firm, irreversible locking effect. A high-quality head design ensures the tie remains secure under high loads or continuous vibration.
Tape Body Design (Teeth and Thickness)
The strap surface features continuous tooth profiles that mesh with the pawl inside the head to achieve reliable engagement. The carrying capacity of a black cable tie is determined by tooth profile, tooth pitch, strap width, and strap thickness; the strap must balance flexibility for easy installation with high tensile strength.
3. UV Resistance (Carbon Black Principle)
Black tie wraps excel in outdoor applications, and their core advantage is outstanding UV resistance, which ordinary white ties cannot match. Carbon black plays a key role, and its UV protection mechanisms mainly include the following aspects:
- Absorption and conversion of UV: carbon black effectively absorbs ultraviolet light and converts it into a small amount of heat, thereby preventing UV from directly damaging the nylon molecular chains;
- Forming a light-blocking network: evenly dispersed carbon black particles create a shielding network inside the material that greatly blocks UV penetration;
- Suppressing photodegradation reactions: by reducing free-radical reactions generated by light exposure, it lowers the risk of chain scission, slowing embrittlement and surface chalking;
- Long-lasting color stability: carbon black itself is a stable black pigment, ensuring that black tie wrap retains its color after long-term outdoor use.
In summary, tie wraps black with added carbon black can maintain mechanical strength and weather resistance under severe outdoor conditions such as intense sunlight and rain.
4. Specification Details
Below are some common specifications for black cable tie. Common lengths include 300mm black cable ties, and common large black tie wraps widths are 7.6 mm or 9 mm.
| Type | Length | Width (mm) | Max. Bundle Dia. (mm) | Min tensile strength |
|---|---|---|---|---|
| Inch | mm | lbs / Kgs | ||
| WD-3×100 | 4″ | 100 | 2.5 | 22 / 8 |
| WD-3×150 | 6″ | 150 | 2.5 | 35 / 18 |
| WD-3×200 | 8″ | 200 | 2.5 | 50 / 18 |
| WD-4×280 | 11″ | 280 | 3.6 | 75 / 40 |
| WD-4×300 | 12″ | 300 | 3.6 | 80 / 40 |
| WD-4×350 | 14″ | 350 | 3.6 | 90 / 40 |
| WD-4×400 | 16″ | 400 | 3.6 | 110 / 40 |
| WD-5×100 | 4″ | 100 | 4.8 | 22 / 50 |
| WD-5×150 | 6″ | 150 | 4.8 | 35 / 50 |
| WD-5×200 | 8″ | 200 | 4.8 | 50 / 50 |
| WD-5×250 | 10″ | 250 | 4.8 | 65 / 50 |
| WD-5×280 | 11″ | 280 | 4.8 | 82 / 50 |
| WD-5×300 | 12″ | 300 | 4.8 | 82 / 50 |
| WD-8×350 | 15″ | 350 | 7.6 | 90 / 100 |
| WD-8×400 | 16″ | 400 | 7.6 | 105 / 100 |
| WD-8×450 | 18″ | 450 | 7.6 | 118 / 100 |
| WD-8×500 | 20″ | 500 | 7.6 | 150 / 100 |
| WD-10×550 | 21.6″ | 550 | 9 | 165 / 75 |
| WD-10×600 | 23.6″ | 600 | 9 | 165 / 75 |
| WD-10×650 | 25.6″ | 650 | 9 | 165 / 75 |
| WD-10×700 | 28″ | 700 | 9 | 175 / 75 |
| WD-10×720 | 28.3″ | 720 | 9 | 180 / 75 |
| WD-10×760 | 29.5″ | 760 | 9 | 220 / 75 |
| WD-10×800 | 31.5″ | 800 | 9 | 180 / 75 |
| WD-10×850 | 34.7″ | 850 | 9 | 230 / 75 |
| WD-10×900 | 35.5″ | 900 | 9 | 265 / 75 |
| WD-10×1020 | 40.2″ | 1020 | 9 | 295 / 75 |
| WD-10×1200 | 48″ | 1200 | 9 | 345 / 75 |
5. Applications
Solar Photovoltaic Systems
Black nylon cable ties can effectively resist long-term UV radiation, preventing material chalking and embrittlement. Their dark appearance matches the color of solar panels, reduces visual contrast, and helps absorb heat and reduce glare interference.
Communication Base Stations and Towers
When used for outdoor racks and elevated equipment wiring, black plastic cable ties offer excellent weather resistance and color matching with most communication equipment, providing a neat and unobtrusive installation.
Outdoor Surveillance and Lighting
Suitable for securing camera mounts, lamp poles, and landscape lighting wiring. UV design ensures long-term firmness under sun and rain, and the black surface is non-reflective to avoid nighttime light interference.
Automotive External Wiring Management
Especially useful in engine compartments and chassis areas where cable tie black blends with interior components and parts for a clean and dirt-resistant result.
Traffic Signs and Outdoor Advertising Installation
Used to fix cables and signal lines, cable ties black do not interfere with sign recognition and maintain strength and locking force under strong sunlight.
Building Facades and Roof Wiring
When used on dark roofs or metal facades, black uv cable ties visually integrate and their UV resistance enables them to withstand long-term high temperatures and UV exposure.
6. Packaging & Customization Services
- Standard export packaging: black cable ties pack of 100pcs.
- Project packaging: reinforced bags, boxed, bulk
- Available options: length, color, labeled bags, barcode, logo, and OEM outer box printing customization
- Available materials: Nylon 6, Nylon 66, Nylon 66+UV
7. FAQ
- Q1: What is the difference between Black plastic zip ties and white zip ties?
- A: Zip ties black contain carbon black and offer stronger UV resistance, making them better for outdoor use; zip ties white are generally suitable for indoor environments.
- Q2: How long can Black tie wire be used under the sun?
- A: Nylon 66+UV modified with heat stabilizers can last for several years; the exact lifespan depends on the formulation ratio, UV intensity, and temperature.
- Q3: What sizes are available for Small black cable ties and Large black cable ties?
- A: Small black zip ties have a width of 2.5 mm and lengths from 80 to 300 mm; large black zip ties have widths from 7.6 to 12 mm and lengths from 150 to 1500 mm, with the longest black zip ties reaching up to 1500 mm.