EWH16-34 tempered glass pot lid

1.Heat test: put the glass lid into oven at 200 °C for 60 minutes, remove immediately into water at room's temperature , the lid should not be broken or cracked.

2.Impact resistance test: drop the 225g ball from the highth at 1.5 metres in free fall and impact on the lid at 1/3 radius, so after three times, damage or cracks are not allowed.

3.Pressure test: use 120-grit abrasive paper scraping on the back side of the lid for 15 times, then check after 24 hours,the lid should not be broken or cracked.

4.Dishwasher test: washed by the dishwasher for 50 times, the lid should not turn to be yellow or dark, and without loosing and deformation on the stainless steel rim.

5.Destructive testing: break the lid with hammer and check,the number of particles should be over 50pcs within the area of 50m*50mm , and the biggest fragment should not over 3g.

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