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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, ranging from $8 to $45, were compared for application effort, slickness, water repellency, bug release, and chemical resistance.
  2. The vehicle glass and separate test panels were thoroughly cleaned before application, then coatings were allowed to cure for 48 hours.

Application and Slickness

  1. Rain-X, Meguiar's, Invisible Glass, Ethos, and Adam's were quick and easy to apply; Gtechniq and Gyeon required about 35 minutes and multiple steps.
  2. Invisible Glass was the slickest coating at 0.7 pounds of sliding force, followed by Rain-X at 1.0 and Glaco at 1.1 pounds.

Water Repellency

  1. Gtechniq and Glaco tied for the best initial water repellency, with Gyeon placing third.
  2. After glass cleaner and car-wash detergent exposure, Gtechniq and Glaco remained the leaders, while Gyeon held third place.
  3. Ethos and Adam's tended to form sheets of water under direct spray, potentially reducing visibility in heavy rain.

Bug and Chemical Testing

  1. Gyeon and Glaco released bug residue best; Nason, Griot's, Gtechniq, and Adam's also performed well.
  2. Gtechniq retained the strongest hydrophobic performance through aggressive wheel cleaner and degreaser testing, while Adam's and Ethos degraded substantially.
  3. After the final torture test, Gtechniq cleared water in 0.9 seconds without forced air and 0.6 seconds with simulated 40 mph airflow.

Overall Verdict

  1. Gyeon ranked first overall with an average finish of 1.9 and consistently placed first or second, but cost about $45 and required more application effort.
  2. Gtechniq ranked second overall at 2.2 and was the recommended value choice at about $20, despite being the most time-consuming to apply.
  3. The strongest coatings substantially outperformed Rain-X in durability and water repellency, potentially improving wet-weather visibility and safety.

Actiepunten

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