... product.8. Sharp rise temperature tolerance: hold in freezer at -16-_18 degree for 30min.,then with high temperature cotton ... put into oven at 200degree, no break or fissure.9. Shock Tolerance: ... use 50g steel ball at height 300mm, throw on the product( away from the ... Microwave Round Glass Food Container (GC-YBXH 002/003/004)