Renewable Energy High Performance Tapes for Wind Energy
There are many applications for tesa® tapes during the manufacturing of windblades. The performance of tesa® products, with easy and clean handling, provide a lot of advantages to the user and support the efficiency of the whole production process.
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Typical applications for tesa tapes in the wind energy industry
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  • tesa® 4810: single-sided PTFE laminated glass cloth tape with silicone adhesive * Application: Self-adhesive film for large area surface masking for permanent anti-stick surface inside the mould. * Benefit: Once applied speeds up time-consuming mould preparation with release waxes or liquids. tesa® 4810
  • tesa® 4613: single-sided multipurpose PE laminated cloth backing with natural rubber * Application: Bundling of tubes, short term holding of films where temperature and residues are not crucial. * Benefit: Aggressive high tack even on rough surfaces, easy to tear. tesa® 4613
  • tesa® 51960: double-sided fabric reinforced PP backing and acrylic adhesive * Application: Temporary holding of vacuum spirals around the mould. * Benefit: Residue free removable, high coating weight to the spiral side prevents lifting off during RIM preparation. tesa® 51960
  • tesa® 61122 / tesa® 61123: single-sided PET backing and silicone adhesive * Application: Temporary masking during resin infusion. Easy mould cleaning from flashed resin after resin infusion. * Benefit: Excellent adhesion on low surface energy products; differing in thickness leads to either higher conformability or greater tensile strength. tesa® 61122 / tesa® 61123
  • tesa® 4970 / tesa® 4914: double-sided non woven and acrylic adhesive * Application: Fastening of resin infusion profiles onto the resin distribution net; tesa® 4914 for more crucial net surfaces. Enables faster assembly and more homogenous resin distribution. * Benefit: Excellent positioning of resin profiles. Prevents contamination of later blade structure with natural rubber. tesa® 4970 / tesa® 4914
  • tesa® 54994: single-sided PU film with acrylic adhesive * Application: Permanent protection of leading edge wind generator blades. * Benefit: Longer protection of the most stressed area of the rotor blade. Clear outdoor grade. Will not stain, lift or dry out. Approved by major OEMs and Tier1s. tesa® 54994
  • tesa® 7070 ACXplus: double-sided acrylic foam tape with acrylic adhesive * Application: Permanent mounting of air distributaries (gel coat to plastic or metal). * Benefit: Faster process time, no pot-life to be considered vs. liquid glue, available as die-cut. For permanent bonding solutions when ever thermal elongation needs to be considered. tesa® ACXplus 7070
  • tesa® 50530: single-sided polyolefinic film * Application: Surface protection during outdoor storage and transportation. * Benefit: Offers cost savings due to reduction in rectification and final repair. tesa® 50530
  • tesa® 6930: single-sided acrylic film * Application: Permanent marking of lot numbers enables tracking of rotor blades. * Benefit: Flexible marking and die-cutting. Withstands heat and abrasion. tesa® 6930
  • tesa® 4657: single-sided premium coated cloth tape with thermosetting natural rubber * Application: Temporarily sealing nacelle cleaving before final assembly. * Benefit: Balanced adhesion level for different substrates with residue free removability. Withstands outdoor environment up to six months. tesa® 4657
  • tesa® 60950: single-sided PVC backing sanded grid and acrylic adhesive * Application: Antislip surface prevents from skidding inside and on top of the nacelle. * Benefit: Very good adhesion on demanding surfaces. Saltwater resistant. No shrinkage after application. tesa® 60950