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The double-sided butyl rubber adhesive tape is a cold-applied material designed as the inner layer of a multi-ply pipeline coating system. It is primarily used for the corrosion protection of oil, gas, and water pipelines, either underground or aboveground.
A liquid adhesive primer is recommended before application. The primer forms an initial anticorrosion barrier and creates a smooth, uniform surface to ensure strong adhesion of the double-sided tape to the pipe. The typical installation sequence is:
Apply liquid adhesive (primer).
Wrap the double-sided adhesive tape (inner layer).
Apply the outer protective tape.
The tape consists of four layers:
Internal adhesive layer: butyl rubber
External adhesive layer: butyl rubber
Film backing: special blended polyethylene
Interleaving: siliconized release film
Different models (e.g., T-430, T-435, T-440, T-450) are available with varying thicknesses.
Uniform thickness and consistent adhesion
Long-term underground performance and durability
Excellent resistance to cathodic disbondment
High flexibility and conformability to pipe surfaces
Cold-applied, easy and safe installation
| Property | Test Method | Typical Value* |
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| Tensile Strength | ASTM D1000 | 43-52 N/cm |
| Elongation at Break | ASTM D1000 | 350-400% |
| Peel Adhesion to Primed Steel | EN12068 | ≈20 N/cm |
| Peel Adhesion (Internal/External Layers) | EN12068 | ≈28 N/cm |
| Peel Adhesion (External to External Layer) | EN12068 | ≈21 N/cm |
| Cathodic Disbondment Radius | EN12068 | ≤5 mm |
| Water Vapor Transmission Rate | ASTM F1249 | ≤0.3 g/m²/24h |
| Volume Resistivity | ASTM E257 | ≥2 × 10¹ ohm·cm |
| Dielectric Strength | ASTM D149 | ≈46 kV |
| Water Absorption | ASTM D570 | ≤0.1% |
| Impact Resistance | EN12068 | ≥15 J |
| Service Temperature Range | - | -30 °C to +85 °C |
| Application Temperature Range | - | +5 °C to +50 °C |
*Values may vary depending on specific tape grade.
Total Thickness Options: 0.76 mm, 0.89 mm, 1.02 mm, 1.27 mm
Tape Widths: 50 mm, 100 mm, 150 mm (custom sizes available)
Tape Lengths: 30 m, 50 m, 100 m (custom lengths available)
Color: Standard black; other colors available on request
Core Diameter: 76 mm standard; custom options available
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Huaian Construction New Material Co., Ltd. is a professional manufacturer specializing in high-performance industrial materials. We are committed to providing comprehensive solutions for structural reinforcement, leakage repair, and corrosion protection of industrial pipelines, as well as waterproofing systems for buildings.
Our product portfolio covers a wide range of applications:
Waterproof Materials: Various membranes, coatings, and related products that are non-toxic, durable, and suitable for multiple construction environments.
Anticorrosive Materials: A complete range of anticorrosion tapes, shrinkable sleeves, and other products designed to safeguard pipelines against corrosion.
Industrial Tapes: Including masking tape, electrical tape, and specialized protective and repair tapes for diverse industrial uses.
Insulation Blanket Products: Thermal and waterproof insulation blankets, including aluminum-coated types, for reliable heat insulation and moisture protection.
With a strong focus on quality, reliability, and environmental responsibility, we aim to deliver innovative materials and tailored solutions to meet the evolving needs of global customers.
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We are manufacturer, located in Jiangsu ,China
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