Butyl Mastic Tape is a self-adhesive, flexible sealing tape designed for superior waterproofing and insulation across various surfaces. It provides strong, long-lasting adhesion to metal, glass, plastic, concrete, and roofing materials, making it ideal for sealing joints, ducts, flashing, windows, and pipe penetrations. This versatile tape offers excellent UV resistance, weatherproofing, and long-term flexibility, even in harsh environments. It effectively blocks moisture, dust, and air leaks, ensuring reliable performance in both indoor and outdoor applications. Widely used in HVAC systems, construction, automotive repairs, and electrical sealing tasks
Features
| Excellent weatherproofing tape for telecommunication and cable connectors |
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| Strong waterproof sealing, ideal for leak-proof sealing in roofing, windows, and pipe penetrations |
| Resistant to Corrosion & Anti-aging |
| Direct applications on cable splices |
| Self-Adhesive Butyl Backing |
| Flexible & durable bond as it maintains flexibility over time without cracking or hardening. |
Technical info
| TEST DESCRIPTION | TEST STANDARD | SPECIFICATIONS | OBSERVED VALUE |
|---|---|---|---|
| Width | Dimensional | 10mm to 150mm | |
| Thickness | Dimensional | 1 to 3 mm | |
| Length | Dimensional | As per Requirement | |
| Softening Point | ASTM D-36 | 100 °C (min) | 110 C |
| Water absorption R.T. for 24 hrs. | 0.5% (max) | 0.25% | |
| Needle penetration | ASTM D-5 | 70 to 130 Unit/10sec | 90 |
| Density | ASTM D 792 | 1.5 to 1.65 G/cc | 1.48 |
| Brittleness temperature | ASTM D 2137 | -30 °C (min) | Pass |
| Service Temp. Range | (-)4.4 °C to 93.3 °C | Pass | |
| Elongation | ASTM C908 | 500% min. | 600% |
| Adhesive Tensile Strength | ASTM C907 | 1.26 kg/cm^2 to 1.40 kg/cm^2 (min) | 1.50 kg/cm^2 |
| Peel Adhesion | ASTM D3330 | >0.5kg/cm2 | 0.7kg/cm2 |
| Water Penetration | ASTM W2140 | No water penetration | Pass |
Specifications
| CONSTRUCTION | Consists of Butyl rubber,shields connections from water & corrosion, prevents signal disruption |
|---|---|
| SHELL LIFE | 20 + years |
| AVAILABLE COLORS | Custom Options |
| VOLTAGE CLASS | 10KV, 35KV,110KV, 220KV |
| APPLICATIONS | Antenna Connection Waterproof RRU Connection Waterproof Earth Wire connection Waterproof Macro station and special application |
