Tired of signal noise, broken wires, and messy installations?
You know the struggle. You set up a complex control system or a high-end audio rig, and suddenly you hear static. The data transmission is slow. The cable is so stiff you can’t route it through tight spaces without kinking it. Worse, the jacket cracks after a few months, exposing the wires and causing short circuits. In industrial automation, medical devices, or high-fidelity audio, a bad cable isn’t just an annoyance—it’s a failure. It costs you time, money, and reputation. You need a wire that handles data like a pro but bends like a snake. You need a cable that survives heat, resists noise, and lasts for years. That is exactly why we built this 26-core 28AWG double-shielded ultra-soft cable. It solves the headaches of signal loss and physical wear. It is the quiet hero inside your machines and gear.
What makes this cable special? The 0.1mm² 28AWG core construction
Let’s look inside the wire. The heart of this cable is the conductor. We use 28AWG stranded tinned copper. Why stranded? Because solid wire snaps when you bend it. Stranded wire moves. It flexes. It survives vibration. Why tinned copper? Because bare copper gets dirty and corrodes over time. Tin protects the copper from oxidation. It keeps the connection solid, even in humid or damp environments.The “0.1 square millimeter” size is the sweet spot. It is thin enough to fit 26 pairs into a manageable bundle. But it is thick enough to carry power and signals reliably. We follow strict standards like ASTM B3 for the copper and IEC 60228 for the stranding. This means every wire in the 26 cores is identical. You get consistent resistance. You get consistent performance. No weak links. This construction is vital for twisted pair signal cables where balance between the two wires matters most.
Double Shielding: The armor against noise
Electrical noise is everywhere. Motors, lights, and other cables scream with electromagnetic interference (EMI). If your cable isn’t shielded, that noise becomes part of your signal. It ruins data. It creates hum in audio. We fix this with a double-shield system. It is a heavy-duty defense layer.First, we wrap each twisted pair in an aluminum foil shield. This blocks high-frequency noise. It stops the “hiss” and the “buzz.” But foil alone can break if the cable moves too much. So, we add a second layer. Over the whole cable core, we braid a tinned copper mesh. This braid covers at least 90% (often 95%) of the surface. It catches low-frequency interference. It also grounds the cable. The braid is soft, so it doesn’t restrict movement. Together, the foil and braid create a Faraday cage. Your signals stay pure. Your data stays accurate. This is the standard for RS485, industrial bus systems, and professional audio lines.
Ultra-Soft Jacket: PVC vs. TPU for extreme flexibility
A shielded cable can be heavy and stiff. Not this one. We focus on “ultra-soft” flexibility. The outer jacket is the skin of the cable. It protects against oil, abrasion, and chemicals. We typically use a special PVC blend or medical-grade TPU (like Huntsman 4766).PVC is tough. It resists flames (VW-1 or FT1 rated). It handles abrasion well. It is great for general industrial use. TPU is the premium choice. It is glossy, oil-proof, and incredibly flexible. Even in cold temperatures down to -30°C, it doesn’t get brittle. You can drag it, twist it, and coil it without damage.The diameter is kept tight. For a 26-core cable, we aim for an outer diameter (OD) around 5.0mm to 6.0mm, depending on the exact jacket thickness. We keep the wall thickness around 0.35mm to 0.40mm. This is thick enough to be durable but thin enough to keep the cable light. A lighter cable is easier to install. It puts less stress on connectors. It is perfect for robotic arms where weight and bend radius matter.
Electrical specs that matter: Capacitance, Impedance, and Voltage
You don’t just buy a cable for its looks. You buy it for the numbers. Here is the hard data. This cable is rated for 300V (some versions go to 600V). The temperature rating is 105°C. This is hot. Most cheap cables fail at 80°C. Ours keeps working in hot control cabinets or near engines.Capacitance is a big deal for signal cables. High capacitance kills high-frequency signals. We keep the capacitance low—around 15.5 pF/ft or less. This ensures your data edges stay sharp. It prevents “ghosting” in video or data lag in serial communication.Impedance stability is key for twisted pairs. We aim for 100 Ohms ± 15 Ohms in the 1-30 MHz range. This matches standard communication protocols. Attenuation (signal loss) is kept low. At 1 MHz, you lose less than 3 dB per 100 meters. At 10 MHz, it is under 9 dB. This means you can run longer cables without needing repeaters. It saves you money on extra hardware.
Real-world uses: Where this cable shines
Where do you actually use a 26-core cable? The applications are endless.Industrial Automation & Robotics:Factories are noisy. Robots move constantly. You need a cable that goes from the control cabinet to the robotic arm. It needs to handle encoder feedback, sensor data, and power. Our 26-core cable carries all that in one go. The double shield stops the welding machines from messing with the robot’s brain. The ultra-soft jacket survives millions of flex cycles in drag chains.Audio & Broadcast:High-end audio snakes use twisted pairs to reduce crosstalk. With 26 cores, you can run 13 stereo channels in one cable. Or use some cores for audio and others for control data (like DMX or RS485 for lighting). The low capacitance preserves the high-end “sparkle” of the audio. The TPU jacket looks professional and resists foot traffic on stage.Aerospace & Defense:Weight is money in the sky. We can build this with lighter materials (like specialized polymers) to meet strict weight limits. The 28AWG size is standard for avionics. It handles the harsh vibration of aircraft and military vehicles. It resists fluids and fuel.Medical Equipment:Hospital gear needs to be reliable and safe. We can use LSZH (Low Smoke Zero Halogen) jackets. If there is a fire, these cables don’t release toxic smoke. The TPU version is medical-grade and can be sterilized or cleaned easily. It is perfect for CT scanners or patient monitoring systems where many sensors connect to one main unit.Data & Telecom:For VDSL or xDSL outdoor systems, the aluminum shielding blocks outside noise. The PE insulation keeps the signal stable over distance. It is a cost-effective way to bundle many phone lines or data lines into one strong cable.
Why choose our factory? Quality you can trust
We are not just resellers. We are a factory with strict quality control. We test every batch. We check the conductor resistance. We test the insulation resistance (it must be over 20 MΩ·km). We do high-voltage tests (2.0 kV) to ensure no shorts. We check the shield coverage to make sure it is at least 90%.We hold certifications like UL, CSA, and RoHS. Our UL2517 and UL2733 styles meet North American safety standards. We can customize the color. Need a black jacket for a sleek look? Done. Need gray for industrial standard? Done. Need specific core colors with white ink printing for easy identification? We can do that too.We sell by the foot or by the spool (100ft, 500ft, 1000ft). We can add connectors if you need. We understand the export market. We pack the cables on strong spools or drums to prevent kinks during shipping. We handle the paperwork for customs.
Technical Specifications Summary
- Conductor: Stranded Tinned Copper (7/36 or 19/40 stranding)
- AWG Size: 28 AWG (approx. 0.32mm² total copper per core or 0.1mm² effective depending on standard)
- Core Count: 26 Cores (13 Twisted Pairs)
- Insulation: Polyethylene (PE) or PVC (Color coded)
- Shielding: Aluminum Foil + Tinned Copper Braid (90-95% coverage)
- Jacket: PVC, TPU, or LSZH (Fire Retardant)
- Jacket Color: Black, Gray, or Custom
- Outer Diameter: Approx.5.5mm – 6.5mm (varies by jacket)
- Temperature: -30°C to +105°C
- Voltage: 300V / 600V
- Capacitance: < 15.5 pF/ft (Conductor to Conductor)
- Impedance: 100 Ω ± 15 Ω (1-30 MHz)
- Bend Radius: Fixed 7.5x OD / Mobile 15x OD
- Standards: UL 2517, UL 2733, CSA, RoHS, REACH
- Packaging: 100m, 305m, 500m drums or custom lengths
Don’t settle for “good enough.” Get the best cable for your project.
You have a job to do. You need equipment that works the first time, every time. Whether you are building a prototype, repairing a factory line, or setting up a studio, the quality of your cable determines the quality of your work. Don’t risk your project on cheap, stiff, noisy wire.We have this cable in stock. We can make it to your exact specs. Need a different number of pairs? We do 2 pair, 4 pair, up to 50 pair. Need a special jacket material? We can source it.Contact us now for a free sample and a detailed quotation. Tell us your voltage needs, your bend radius requirements, and your quantity. Let’s build something reliable together. Send an email to our sales team or click the “Inquire Now” button. We reply fast, and we speak your language. Let’s solve your cable problems today.