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Wrapping Method for Polypropylene Anti-Corrosion Tape

Release date:

2022-05-19

Most people are familiar with polypropylene anti-corrosion tape, which uses butyl rubber‑modified asphalt as its protective rubber layer and is relatively easy to apply. Thanks to these properties, it is widely used across the industry. Now, let’s take a look at the proper method for wrapping polypropylene anti-corrosion tape!

Polypropylene anti-corrosion tape

　　1. First, apply the primer. When using polypropylene anti-corrosion tape, be sure to use the matching primer. Before applying, stir the primer thoroughly until uniform. After coating, you can begin wrapping the tape after about 10 minutes.

　　2. Surface Preparation: Surface preparation primarily involves removing rust, weld spatter, and contaminants from the tape. During application, it is essential to ensure that the polypropylene anti-corrosion tape remains clean and dry.

　　3. Backfilling of the trench: As is well known, after application of polypropylene anti-corrosion tape, a quality inspection is performed; once the inspection is passed, backfilling can proceed. During backfilling, it is essential to ensure that the tape remains intact.

　　Polypropylene anti-corrosion tapes come in a wide variety of types and are available in complete specifications. Below are several commonly used anti-corrosion tapes, including polyethylene and polypropylene varieties. These are further categorized by thickness into thin‑coated polyethylene anti-corrosion tape and thick‑coated polyethylene anti-corrosion tape.

　　Polypropylene anti-corrosion tape comes in thicknesses ranging from 0.4 to 0.8 mm; its key advantage is the strong adhesion between the substrate and the adhesive layer, ensuring that the adhesive does not delaminate during storage or application. Thick‑adhesive polyethylene anti-corrosion tape has a thickness of 1.0 to 1.8 mm; its main benefits include a thick backing, high tensile strength, a thick adhesive layer, strong adhesion, and excellent resistance to blistering and superior elasticity.

　　The polypropylene anti-corrosion tape has a thickness of 1.0 to 1.8 mm. Its key advantage is that its specialized substrate can withstand tensile and compressive deformation, as well as creep failure induced by soil stresses.

　　Polypropylene anti-corrosion tape, also known as polypropylene, is a new, non‑hazardous, environmentally friendly anti‑corrosion material. It is a unique modified polypropylene mesh‑reinforced knitted geotextile, with a rubber layer produced by modifying high‑grade petroleum asphalt using butyl rubber and polyisobutylene. The base material exhibits excellent resistance to soil‑induced stress‑creep damage, ease of installation, impact resistance, aging resistance, tensile strength, UV resistance, and high bond strength. Aging tests have demonstrated a corrosion‑resistance service life exceeding 50 years. It is an outstanding choice for cold‑applied anti‑corrosion systems and represents a cost‑effective solution for corrosion‑protection projects.

　　It is widely used in the petroleum, natural gas, chemical, and urban water supply and drainage industries, as well as in steel pipeline systems for oil and gas transportation, external corrosion protection of steel underground storage tanks, and the repair of existing anti-corrosion coatings.

　　The above outlines the wrapping procedure for polypropylene anti-corrosion tape. For more information, please feel free to contact us!

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Wrapping Method for Polypropylene Anti-Corrosion Tape

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