Description
| Material | float glass ( Thickness : 3.2mm to 5mm ) |
| Rim | stainless steel with shiny or sand polishing |
| Color of glass | clear, brown, green ,blue, red, ect. |
| Size | 90m-390mm |
Guangdong Xiangxingfa Art Glass Co.,Ltd is the leading manufacturer for tempered ( Toughened ) glass lids (glass cover) in China, with capacity of up to 7 million pcs per month. Thanks to the advance and professional technology, high quality and competitive price, responsible and honest service, we have own a high reputation among our customer, and also establish long term and good relationship with some big brand cookware enterprise such as Supor, ect.
Test for quality control:
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.
6.Salt frog test: Put the lid into the the frog of 5% Nacl with the PH at 7.0for 24 hours, unmovable rust is not allowed on the rim.