Aerosol A/C Leak Stop Seals, 4 Oz, Size/Net Weight 4 Oz, Red/Yellow Tint, Can, Clear Liquid and Gas Appearance, Boiling Point R134A is -40 F and Synthetic Hydrocarbon Blend is 570 F, Flash Point Greater Than 425 F, 0. 85 to . 097 Synthetic Hydrocarbon Blend Specific Gravity, For Use With R134a