Edge Crush Test for Tempered Glass Screen Protectors – MPG Screen Protector Ensure stronger edges and longer protection. Scratch resistance and drop protection are important, but the corners of a tempered glass screen protector are typically the weakest point. Most chips and cracks occur on the edges from accidental drops, pressure or normal wear and tear. MPG Glass Factory’s tempered glass screen protectors undergo rigorous Edge Crush Testing (ECT) to ensure they’re built to last. What is Edge Crush Testing? The Edge Crush Test assesses the robustness of a screen protector's edges and corners by applying controlled pressure to vital [...]