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 locations. Unlike surface examinations, ECT focuses on the portions that are most likely to be stressed during normal operation.

This testing helps discover any flaws and assures that the glass can withstand breaking, chipping, and deformation.

MPG 25 kg and 40 kg ECT Standards 25 kg Edge Crush Test

A premium durability benchmark is the 25 kg standard. The glass edge must be able to sustain constant pressure without warping, chipping, splitting, or separating. For regular smartphone use, this level offers outstanding protection.

40 kg Edge Crush Test This standard is applicable to products made with high strength tempered glass. The screen protector must be able to withstand high pressure without losing its structural integrity, edge failure or separation of the adhesive. Products passing this test will provide a higher level of durability in demanding environments.

Tailored Edge Strength Solutions

Depending on the demands of the client, MPG Glass Factory can alter the Edge Crush Test specifications, such as:

• Selection of glass materials
• Technology for edge reinforcing
• 3D and 2.5D edge processing
• Depth of chemical strengthening
• Optimization of adhesive performance

For OEM and ODM projects, unique ECT parameters can be created.

Procedure for Testing

A precise pressure probe provides a regulated force to crucial edge regions while each tempered glass screen protector is placed on a testing board. Following testing, the sample is examined for structural damage, chipping, separation, and fractures.

Only goods that successfully complete all inspections proceed to manufacturing and packing.

High ECT Performance’s Advantages

Advanced Edge Crush Testing-passing screen protectors offer:

• Improved resistance to edge chipping
• Enhanced durability of corners
• Decreased chance of peeling and lifting
• Increased resilience to drops
• Extended product life

These benefits are particularly significant for tempered glass protectors with curved edges and complete screens.

Conclusion

Edge crush test is a significant quality indicator for tempered glass screen protectors. MPG Glass Factory manufactures robust screen protectors with enduring performance and reliable protection through its adherence to 25kg and 40kg ECT standards, proprietary production technologies, and stringent quality control.

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