PIB Self-Amalgamating Tape | Waterproof Coaxial & Telecom Seal
PIB self amalgamating tape
Stop losing outdoor signal strength to moisture ingress. Liantu® Polyisobutylene (PIB) self-amalgamating tape fuses instantly into a seamless, void-free waterproof barrier. Perfect for coaxial cables, satellite TV, and low-voltage electrical splices.
The "Outdoor Joint" Nightmare vs. The PIB Solution
Moisture is the silent killer of outdoor wireless signals and electrical connections. Here is how we stop it.
| The Field Nightmare (Customer Pain Points) | The Liantu PIB Technical Solution (Our Solution) |
|---|---|
| "Signal Loss (DB Drop)": Rainwater leaks into outdoor coaxial connectors (RF, satellite, antenna), causing corrosion, signal attenuation, and eventually complete connection failure. | Void-Free Amalgamation: This tape contains no adhesive. When wrapped under tension, it triggers a physical fusion that merges the layers into a homogeneous, continuous rubber sleeve. It forms a 100% moisture-tight seal that prevents water from ever reaching the metal contact points. |
| "The Sticky Adhesive Failure": Standard PVC electrical tapes dry out, curl, and peel in the cold or heat, leaving behind a sticky, useless mess that allows water in anyway. | Adhesive-Free Clean Removal: Because PIB bonds only to itself, it leaves zero sticky residue on your expensive copper cables or coaxial connectors. If you need to upgrade or repair the joint, simply slice the rubber boot with a knife; the hardware underneath remains clean and rust-free. |
| "Complex Irregular Joints": Wrapping threaded, hex-nut coaxial adaptors with stiff tape leaves air gaps where moisture and condensation accumulate. | 600% Kinetic Elongation: PIB is extremely elastic. It stretches easily to contour around awkward shapes, hex nuts, and transitions. The elastic tension forces out all air, creating a uniform, tight barrier without gaps. |
| "Overpaying for Silicone/EPR": Using premium EPR or high-heat silicone tape for standard outdoor low-voltage or telecom waterproofing is a waste of material budget. | Optimized Value Engineering: PIB offers the exact same waterproofing capabilities as premium rubber tapes at a fraction of the cost. It is the most financially smart, high-performance solution for mass telecom rollouts. |
Material Strategy: PIB vs. EPR vs. Silicone
Helping procurement and engineering choose the right tape for the application.
PIB Tape (This Product): Best for telecom, coaxial, satellite connections, and waterproofing up to 10kV. Highly elastic (600%+), highly cost-effective, excellent moisture resistance. Operating temperature up to 75∘C75∘C.
EPR Tape: Best for utility-grade power distribution up to 69kV. Higher thermal overload capacity (130∘C130∘C). More expensive than PIB.
Silicone Tape: Best for extreme heat (up to 260∘C260∘C) and fast-action emergency pipe pressure repairs. Most expensive option.
Technical Performance (TDS) - Material Integrity
The verified data that satisfies Telecommunications and Electrical QA Inspectors.
| Property | Standard Value | Test Method | Why it matters to your field techs? |
|---|---|---|---|
| Base Polymer | Polyisobutylene (PIB) | -- | Provides naturally hydrophobic and ozone-resistant properties. |
| Tensile Strength | ≥2.0MPa≥2.0MPa | ASTM D-1000 | Strong enough to withstand high wrapping tension without snapping. |
| Elongation at Break | ≥600%≥600% | ASTM D-1000 | Exceptional stretch allows wrapping of irregular, sharp-edged joints. |
| Dielectric Strength | ≥20kV/mm≥20kV/mm | IEC 60454 | Confidently insulates low-to-medium voltage connections. |
| Temperature Range | −40∘C−40∘C to +75∘C+75∘C | Continuous | Remains flexible in freezing cold and stable in summer heat. |
| Water Absorption | ≤0.1%≤0.1% | -- | Prevents capillary absorption, keeping cables bone dry. |
Expert Field Guide: Waterproofing outdoor Coax Connections
[Liantu Telecom Engineering Notes] When waterproofing outdoor RF or F-connector joints, the layer sequencing is critical to long-term reliability.
Preparation: Ensure the connector is free of loose dirt. PIB does not require a dry surface to amalgamate, but a clean surface ensures a tighter physical seal.
The 300% Stretch: Stretch the PIB tape to approximately twice its original width. Wrap with a 50% overlap, starting 2 inches before the connector and ending 2 inches past it.
The Mechanical Armor (Crucial): PIB is soft and sensitive to heavy physical scuffing. For permanent outdoor installations, always apply a final protective layer of Liantu Premium PVC Tape over the amalgamated PIB. The PVC acts as a mechanical shield against birds, wind-blown debris, and UV rays, while the PIB provides the inner waterproof seal.
FAQ (Addressing Technical Conversion Barriers)
Q: Can this tape be used on residential drinking water pipes?
A: PIB is chemically inert and non-toxic, making it safe for low-pressure water sealing. However, for pressurized pipes (100+ PSI) or hot water lines, we recommend our specialized Waterproof Silicone Self-Fusing Tape.
Q: How fast does the amalgamation process take?
A: The tape begins to bond to itself immediately upon contact. Within 2 to 4 hours under tension, it forms a cohesive rubber barrier that cannot be unwrapped.
Q: Does it degrade in direct sunlight?
A: PIB has good natural ozone and weather resistance. However, for long-term outdoor exposure (10+ years), overwrapping with a UV-stabilized PVC tape is highly recommended.
Normal size: 19mm*10m
25mm*10m
The application:
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Primary insulation for building stress cones on cables up to 25kV on all solid dielectric cable
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Jacketing on high-voltage splices and terminations
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Moisture sealing electrical connections
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End sealing high-voltage cables
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Bus bar insulations
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