ST Round Lid

1 heat test: put glass lid into oven temperature to 200 °, and constant temperature for 30 minutes, remove immediately into 20 ° water glass, no broken or crack,

2 impact resistance test: 227g ball from 1.5 metres in free fall in glass lid 1/3 radius, so after four times over without damage or glass cracks,(double hole for two times and several holes for one time

3 test: use 120 # pressure within the cover glass sand friction surface 15 times, and quiet place after 24 hours, no broken or glass cracks,

4 destructive testing: add forces will cover glass broken 5X5cm measuring range, the number of particles, 4mm thick glass more than 60, 5mm thick glass than 80, and all particles into shape, the biggest grain weight does not exceed 4.25 g,

5 the dishwasher test: check the printing position will not fade, according to rinse 40 times computation, aflushing test takes 90 hours,we need 5 days, (currently set at18 hours a day washing,then 6 hours rest ), the printing requirements of section do not fade. According to rinse 30 times computation, a flushing test takes 67.5 hours ,we need 3.75days

Function:Our new products are many according to environmental protection, safety, save energy, health, easy place, easy cleaning features to design and development.