SylWrap CR is a pipe repair wrap infused with special corrosion inhibitors to protect pipework and structures from corrosion
SylWrap CR is a pipe repair wrap infused with special corrosion inhibitors to protect pipework and structures from corrosion

SylWrap CR Corrosion Protection Wrap

SylWrap CR Corrosion Protection Wrap is a composite repair wrap infused with corrosion inhibitors to protect pipes and structures in harsh, aggressive environments against substrate corrosion.

Applying SylWrap CR to pipes, steel structures, metal piles and concrete pillars prevents saltwater and environmental corrosion from occurring in marine environments. Application can take place underwater.

In testing, metalwork wrapped in SylWrap CR and subjected to 1,000 hours of saltwater exposure returned corrosion free when the protection bandage was removed.

SylWrap CR is also used to protect pipes and metal parts against abrasive wear in gravel and sand plants, quarries, sugar mills, gran hoppers and coal chutes.

The fast-working resin infused in SylWrap CR begins to cure within minutes, allowing for rapid repairs to be made. Unlike other moisture cured repair wraps, SylWrap CR contains less than 0.1% free diisocyanate.

This means it is not covered by the 2023 EU and UK REACH legislation governing the safe use of diisocyanates and requires no mandatory safety training before use. At the same time, the low hazard formulation offers reduced risk to operators.

SylWrap CR is effective up to 120ºC, resists pressure up to 30 bar and can be applied in under 30 minutes, setting rock-hard to form a permanent, impact-resistant protective layer.

About

How to protect against corrosion using SylWrap CR Corrosion Protection Wrap

SylWrap CR is easy to use. For dry applications, dip the Wrap in water to activate the resin. For protecting marine structures, no prior preparation is needed as the Wrap will be activated as soon as it comes into contact with water.

Once wetted, the Wrap is applied to the pipe requiring protection from corrosion. In order to achieve the recommended coverage of five layers of SylWrap CR, the first layer should be wrapped so that the overlap with each wrap is approximately 5mm.

The subsequent two wraps can be applied with a 50% overlap to provide a total of five layers. As an alternative, and if necessary, apply all three layers of SylWrap CR with a 50% overlap to achieve six layers in total.

SylWrap CR has a work time of 2-5 minutes. A functional cure is achieved in 30 minutes and a full cure with maximum properties in 24 hours.

Applications

  • Protecting pipes, metal piles, steel structures, piers, and concrete pillars against environmental and saltwater corrosion
  • Protection against abrasive wear in gravel and sand plants, quarries, sugar mills, grain hoppers, and coal chutes
  • Increasing pressure resistance, chemical resistance and temperature resistance

Benefits

  • Easy to use – simply activate the Wrap using water and apply
  • Applied in under 30 minutes
  • Protecting against corrosion in the present offers a cost-effective alternative to replacing damaged systems at a later date
  • Can be applied direct in underwater and marine environments
  • Low hazard formulation is safer for operators and means no mandatory safety training required under 2023 safe use of diisocyanate legislation

Technical Data

Working Time:
2–5 minutes, dependent upon size of SylWrap, temperature of water and pipework.

Functional Cure:
30–45 minutes.

Full Cure:
24 hours (maximum properties).

Cured Material Life:
10–20 years, dependent upon repair quality, repair thickness, condition of pipe, environmental conditions, pipe temperature, etc.

Salt Spray Resistance (ASTM B117-16)
1000 hours (4 layers)

Shore D Hardness:
70.

Tensile Strength:
250MPa.

Coefficient of Thermal Expansion:
7.1 x 10/ °C (SylWrap composite wrap)

Max Service Temperature:
120°C / 250°F.

Max Pressure Resistance:
30 bar (430 psi), depending on size of pipe and leak (hole requires epoxy filler first).

Chemical resistance:
Acetone, ammonia, sulphuric acid (30%), ethyl alcohol, mineral spirits, gasoline, MEK, toluene, diesel, hydrochloric acid, Varsol, ethylene glycol, crude oil, hydraulic oil (test period of 40 days).

Full TDS Downloads

Case Studies

SylWrap CR Corrosion Protection Wrap Case Studies

Size Guide

SylWrap CR Corrosion Protection Wrap Size Guide

SylWrap CR is currently available in the following sizes recommended for use on the specified pipe diameters. Length of repair denotes the area of pipe one Wrap covers when making the recommended application of five layers.

Please use the below form to enquire about the price and availability of the SylWrap CR Corrosion Protection Wrap

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