Water Contact Angle Testing for Tempered Glass Screen Protectors - MPG Glass Factory MPG Glass Factory Standard for Quality Control As smartphones transition to full-screen, high-resolution screens, screen protectors are expected to do much more than just withstand scratches. Nowadays, customers want displays that feel smooth under continuous touch, resist fingerprints, repel water, and remain clean. Testing the water contact angle is essential for determining these surface characteristics and assuring an excellent user experience. At MPG Glass Factory, assessing hydrophobic and oleophobic performance requires the use of water contact angle testing. It gives quantifiable information on a tempered glass screen [...]