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Wrappingband

Cold‑applied visco‑elastic PIB wrap for the external corrosion protection of steel and ductile‑iron pipes, field joints and fittings, buried, submerged or above ground. It bonds without primer (wire brushing to St 2 is enough), self‑heals small dents and cracks, and does not interfere with cathodic protection. A mechanical overwrap, such as Stopaq Outerwrap, goes on top.

ISO 21809‑3EN 12068NSF/ANSI 61
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KMP-0004

Layer build-up

The drawing is Kampek's own. It asserts only what is already published on this site or on the manufacturer's own pages.

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Stopaq layer build-up on a steel pipe, magnified wall sectionMagnified section through the wall of a steel pipe. At the bottom the steel, cleaned by wire brushing to ST 2, so the surface stays irregular and not all rust has been removed. Above it the visco‑elastic polyisobutene compound, which flows into those irregularities and fills them completely. On top, a mechanical PE overwrap. There is no primer between the layers.No primer, no blastingMagnified12345KMP-0004
  1. 1Steel pipe, wire‑brushed to ST 2
  2. 2Surface irregularities the compound flows into
  3. 3Visco‑elastic polyisobutene (PIB) compound, cold‑applied
  4. 4Mechanical overwrap, for example Outerwrap
  5. 5The compound never dries or cures, so it self‑heals small damage
KMP-0004. Magnified section through the pipe wall: steel, compound, mechanical overwrap. No primer.
Wrappingband, Stopaq
Technical data

Technical data

Operating temperature
−45 °C … +70 °C (thermal resistance +90 °C)
Standards
ISO 21809‑3 (type 13), EN 12068 (KIWA), NSF/ANSI 61
Application
Cold, by hand, no primer, no blasting

ISO 21809‑3 · EN 12068 · NSF/ANSI 61 Certifications →

Stopaq

Other products in this family

Casing Filler

Polyisobutene‑based filler pumped hot into the annulus between a casing pipe and the carrier pipe, for example at road, rail and waterway crossings.

Outerwrap

Polyethylene‑based mechanical protection tape with a butyl adhesive.

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