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ConWrap PW Exterior Wrap System for Metal & Concrete

ConWrap PW is a cold applied, self-healing, exterior wrap used to prevent corrosion of metal and concrete. The high-tack adhesive, peel and stick, self-healing, viscoelastic compound completely encapsulates structures, such as pipelines or concrete grade rings. A secondary protective layer, such as outer polyethylene tape wrap, improves impact resistance and supports the self-healing characteristics of the viscoelastic wrap. ConWrap PW provides long-term corrosion protection to exposed and buried infrastructure such as: pipelines, flanges, and valves. For high temperature applications (up to 100ºC) use ConWrap PW100.

SEALING PROPERTIES

  • Meets NACE 0109 and ISO 21809-3.
  • Self-Healing from small cuts, dents or punctures.
  • Viscoelastic modulus flows into pores and surface anomalies.
  • Aggressively bonds to metal and concrete structures.
  • Resistant to cathodic disbondment.
  • UV resistant.
  • Provides a permanent flexible water and silt barrier.
  • Will not shrink, harden or oxidize upon aging.
  • Available in several standard sizes:
    • Standard thicknesses: 80 mils ± 8 mils (2mm ± 0.2mm)
    • Standard widths:
      • 4” (10cm) x 33′ (10M) – 6 rolls/carton
      • 6” (15cm) x 33′ (10M) – 4 rolls/carton
      • 8” (20cm) x 33′ (10M) – 4 rolls/carton
      • 12” (30cm) x 33′ (10M) – 2 rolls/carton
  • Custom widths and lengths available upon request
  • For high temperature applications (up to 100ºC) use ConWrap PW100

PHYSICAL PROPERTIES

 

Description Spec ConWrap AMS
Color   Gray
Thickness, in.   80 mils ± 8 mils
(2mm ± 0.2mm)
Service Temperature   -45ºF to 158ºF
-45ºC to 70ºC
Specific Gravity ASTM D71 1.25 – 1.40
Peel Strength ISO 21809-3 (2016) Annex H 23°C 0.338 N/mm
70°C 0.219 N/mm
Peel Strength (Thermal Aging) ISO 21809-3 (2016) Annex H
100 days @ 90°C		 23°C 0.317 N/mm
70°C 0.048 N/mm
Impact Strength ISO 21809-3 (2016) Annex D No Holiday Detected
Indentation Resistance ISO 21809-3 (2016) Annex E 23ºC Pass (>0.6mm)
70ºC Pass (>0.6mm)
Cathodic Disbondment ISO 21809-3 (2016) Annex G 0mm, Self-Healing
Specific Electrical Insulation Resistance ISO 21809-3 (2016) Annex F 1.66 x 109 Ohms·m2
Chemical Resistance in aggressive soils Tested in 30% sulfuric acid, 20% phosphoric acid, 10% nitric acid, and 10% hydrochloric acid Excellent; no deterioration or corrosion after 3 days @158ºF (70ºC)

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