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This Stuff is Even Better Than RainX! Absolutely Amazing!

Project Farmautoenpublicupdated

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Test setup

  1. Ten windshield water repellents, priced from $8 to $45, were compared for water repellency, slickness, bug removal, application effort, and chemical durability.
  2. Rain-X, Meguiar's, Invisible Glass, Ethos, and Adam's were quick to apply; Gtechniq and Gyeon required about 35 minutes.

Initial performance

  1. Invisible Glass produced the slickest surface, followed by Rain-X and Glaco.
  2. Gtechniq and Glaco tied for the best initial water repellency, with Gyeon third.
  3. Gyeon and Glaco released bug residue best; Nason, Griot's, Gtechniq, and Adam's also performed well.

Durability testing

  1. After glass cleaner, Gtechniq, Gyeon, and Glaco remained tied for first.
  2. After car-wash detergent, Gtechniq and Glaco led, while Gyeon held third place.
  3. Gtechniq and Glaco retained strong hydrophobic performance through bug remover, wheel cleaner, and degreaser; Ethos and Adam's deteriorated substantially.
  4. After the final chemical test, the leading coating cleared water in about 0.9 seconds without airflow and 0.6 seconds with simulated 40 mph airflow.

Final verdict

  1. Glaco ranked first overall with an average finish of 1.9, but was the most expensive option at about $45.
  2. Gtechniq ranked second overall at 2.2 and was the recommended value at about $20, despite requiring the most application effort.
  3. Gyeon was another strong all-around option, but cost roughly twice as much as Gtechniq.
  4. The top coatings substantially outperformed Rain-X in durability and sustained water repellency.

Actiepunten

  1. Thoroughly clean and dry the glass before applying a water-repellent coating.
  2. Wear gloves when handling solvent-based products such as Rain-X and follow each product's curing instructions.
  3. Apply coatings to cool glass in a shaded area when required by the manufacturer.