English
In the demanding world of industrial maintenance, pipeline integrity, and infrastructure protection, combating corrosion is a non-negotiable priority. The financial and safety costs of metal degradation are immense. This is where a superior, engineered solution makes all the difference. Anti-Corrosion Tape, specifically the high-performance range from Kaxite Seals, stands as a frontline defense, offering long-term, reliable protection in even the most challenging environments. This guide delves into the technical specifications, applications, and best practices for using our tape, providing the detailed information professionals like you require.
Anti-corrosion tape is a composite material system designed to create a permanent, waterproof, and chemically resistant barrier on metal substrates. Its primary function is to isolate the metal surface from corrosive agents such as moisture, oxygen, salts, acids, and soils. Kaxite Seals' tapes typically consist of three key layers:
The system works by creating a seamless, dielectric shield that prevents the electrochemical reactions necessary for corrosion (anodic and cathodic processes). The inhibitor additives further neutralize any residual corrosive elements at the metal interface.
Kaxite Seals offers a range of tapes tailored for different applications. Below are the detailed specifications for our flagship product, the KS-780 Series Heavy-Duty Anti-Corrosion Tape.
| Property | Test Method | Performance Result |
|---|---|---|
| Water Vapor Transmission | ASTM E96 | < 0.1 g/m²/24h |
| Cathodic Disbondment (48h, 65°C) | ASTM G8 | < 5 mm radius |
| Adhesion to Steel (Peel Strength) | ASTM D1000 | > 30 N/cm |
| Resistance to 3% NaCl Solution | Immersion, 30 days | No blistering, adhesion loss |
| Resistance to Acid & Alkali | pH 3-11, 7 days | No significant degradation |
| UV Resistance (QUV Accelerated) | ASTM G154, 1000 hours | No cracking, >90% adhesion retained |
| Product Code | Width | Roll Length | Core ID | Area per Roll |
|---|---|---|---|---|
| KS-780-50 | 50 mm | 33 m | 76 mm | 1.65 m² |
| KS-780-75 | 75 mm | 33 m | 76 mm | 2.48 m² |
| KS-780-100 | 100 mm | 25 m | 76 mm | 2.50 m² |
| KS-780-150 | 150 mm | 20 m | 76 mm | 3.00 m² |
| KS-780-300 | 300 mm | 10 m | 76 mm | 3.00 m² |
Q: What surface preparation is required before applying Kaxite Seals Anti-Corrosion Tape?
A: Surface preparation is critical for long-term performance. The metal surface must be clean, dry, and free of rust, scale, oil, grease, and dust. For optimal results, abrasive blast cleaning to a minimum standard of Sa 2½ (ISO 8501-1) or power tool cleaning to St3 is recommended. After cleaning, application of a compatible primer (such as Kaxite Seals CP-200 Primer) is highly advised to enhance adhesion, especially on marginal surfaces or in cold conditions.
Q: Can this tape be applied over existing rust or old coatings?
A: No. Kaxite Seals Anti-Corrosion Tape is designed to be applied directly to a prepared metal substrate. It should not be used to encapsulate active corrosion or loose, flaking old paint. The tape's effectiveness relies on intimate contact with a stable, solid surface. Any existing rust must be removed to bare metal, and loose coatings must be scraped and sanded off. The tape can be applied over well-adhered, compatible coatings, but testing for adhesion compatibility is recommended first.
Q: What is the minimum application temperature?
A: The minimum recommended application temperature is -5°C (23°F). At lower temperatures, the adhesive and inhibitor compound become stiff, which can compromise conformability and initial adhesion. If application in colder conditions is unavoidable, the tape and primer should be stored in a warm environment (above 15°C) for 24 hours prior to use, and surface warming may be necessary.
Q: How long does the corrosion protection last?
A: The service life of a properly applied Kaxite Seals tape system is extensive, typically exceeding 30 years for buried or submerged applications and 20+ years for above-ground exposures, depending on the specific environmental conditions (soil chemistry, UV exposure, temperature cycles). The multi-layer design and high-quality, stable materials ensure long-term integrity without drying out, cracking, or shrinking.
Q: Is the tape compatible with Cathodic Protection (CP) systems?
A: Yes, absolutely. Kaxite Seals Anti-Corrosion Tape is fully compatible with impressed current and sacrificial anode cathodic protection systems. Its high dielectric strength and excellent cathodic disbondment resistance (as shown in the performance table) ensure it will not shield the CP current and will maintain adhesion at the high negative potentials generated by the CP system.
Q: What is the proper application technique for achieving a watertight seal?
A: Start with a primed, clean surface. Unroll the tape and, without stretching, apply it with firm, consistent pressure using a hand roller. For pipes, use a spiral wrap with a 55% overlap (approximately half the tape width). For joints and fittings, use a stretch and roll technique for complex shapes, ensuring all wrinkles are smoothed out. All terminations should be feathered and sealed. The key is consistent pressure to ensure the adhesive flows and the compound conforms without air pockets.
Q: Does the tape require an outer wrap or protective jacket?
A: For most underground or submerged applications, the Kaxite Seals tape itself provides sufficient mechanical protection. However, in areas with high risk of mechanical damage (e.g., rock backfill, frequent surface traffic), using an optional outer protective wrap, such as a heavy-duty PET or HDPE jacket, is recommended. For above-ground applications exposed to direct sunlight, a UV-resistant outer wrap or mastic is advised for maximum life expectancy, although our tape has inherent UV stabilizers.
