1) borosilicate glass can be used in Oven, Microwave oven, Dishwasher and Freezer 2) SGS TEST 3) small order accept ... corrosion. 4. Higher hygienic performance. 5. Can be used in oven, microwave, Dishwasher, freezer, refrigerator etc.6. Heat resistance: tolerance 400 ... degree for 30min.,then with high temperature cotton put into oven at 200degree, no break or fissure.9. Shock Tolerance: use ...