... as follows: 1. Non-porous pyrex glass. It won't absorb food odors, flavor or stains. 2. Higher resistance to mechanical ... shock: scratch resistant. 3. Higher resistance to corrosion. 4. Higher hygienic performance ... oven, microwave, Dishwasher, freezer, refrigerator etc.6. Heat resistance: tolerance 400 degree no break or fissure.7. Sharp down ...