Corro-Wrap Wl (Wet Lay-Up)
Rehabilitation and Strengthening System Based on Basalt Fibre, E-Glass, S-Glass and Carbon Fibre
Corro-Wrap Wet Lay-Up is composite system where the fibres using E-Glass, Carbon Fibre or Basalt Fibre are saturated with Corro-Dur resin and applied onto the substrate. Though it is a little tedious but economical compared to prepregs such as Corro-Wrap MC. Allows to choose various resin to suit the requirement of the repair such as high temperatures, high humid environment or when higher strength required.
The majority of the Corro-Dur range being moisture and surface tolerant enables application on location where the presence of moisture becomes a hindrance in carrying out effective leak sealing or rehabilitation to use the product.
The Matrix
The Matrix, which is also known as the Resin is the agent that holds the fibre in place and allows the transfer of the load or pressure through the fibre reinforcement. We have diversified range of resins to suit the requirement.
- Corro-Dur 192L
Corro-Dur 192 L formulation has excellent tolerance to the dampness left in concrete steel after preparation for coating by high pressure water jetting. The formulation is solvent-free to avoid the objectionable odour and explosion hazards of epoxy solvents. Absence of solvents also assures compliance with all present and proposed air pollution regulations. Corro-Dur 192L is non-blushing and can be applied and will cure underwater.
- Corro-Dur 199
Similar to the Corro-Dur 192L, however, it is a Novolac system that has high chemical resistance against various chemicals such as Hydrochloric Acid, Sulphuric Acid, Caustic Soda and etc.
- Corro-Chem 330 HHA
It is a high temperature resistance system upto 125°C (continuously) and 149°C (intermittently). Corro-Chem 330 HHA also can be applied Online without a Shutdown.
- Corro-Chem 333
It is highly chemical resistant especially against aggressive chemicals like methanol.
The Fibre
The Fibre, provides the reinforcement like a rebar or gravel to concrete. The fibre strength
differs based on the fibre orientation and we use the Uni-Directional and Biaxial weave.
Basalt Fibre
E-Glass
S-Glass
Carbon Fibre
Application fields:
- Rehabilitation of pipelines, pressure vessels, wastewater tanks
- High humid environment where presence of moisture become a hindrance,
- Rehabilitation of platform structures,
- Rehabilitation works in columns and beams,
- Strengthening of concrete elements due to changes in construction uses,
- Rectification of design or job constructions defects,
- Repair and rehabilitation of structures damaged by earthquakes,
- Restoration of bridges, chimneys, silos and outstanding concrete structures
- Rehabilitation of flanges, valves and weld-o-let,
- Rehabilitation of Weld Joint Fusion Loss
- Rehabilitation of different component pipes such as elbows, T-joints and etc
- Rehabilitation of caissons,
- Rehabilitation of tank roofs and tank bottom
- Rehabilitation of vent gas tower
- Rehabilitation of rivet tanks
Advantages:
- Moisture tolerant
- Calculated as per ISO24817 guidelines
- Mechanical Properties based on independent lab test carried out
- Economical compared to prepregs
- Custom / tailored to the environment or condition
- High chemicals resistance
- High temperature resistance
- Reduces production loss to the end user
Technique Introduced - Vacuum Bagging Techniques:
Used to compact the Corro-Wrap Wet Lay-Up application in order to remove air bubbles entrapped within the micro space of the composite laminate and also ensures appropriate resin to fibre ratio, providing top most physical properties thus reduces failure possibilities of the composite application.
