Usage Precautions: Storage: CAUTION Pressurised container. Do not expose to temperatures exceeding 50°C. Do not puncture or incinerate even when empty. Do not spray onto naked flame or any incandescent material. Spray in short bursts to prevent cooling of the can. Do not invert or shake the can during use. Spray in short bursts to prevent cooling of the can. Not recommended for surface coated mirrors. Store in a cool dry place away from all sources of heat including direct sunlight. 8.