Abstract: The present invention relates to an automotive engine cooling system stop-leak formulation for repairing leaks in an engine cooling system, is compatible with common coolant antifreeze types and is capable of maintaining the repair after draining and re-filling the coolant. The automotive engine cooling system stop-leak formulation comprising a polymeric resin and a particulate package, wherein the particulate package comprises a first natural fibre having a first fibre length and a greater amount of a second natural fibre having a second fibre length.

Abstract: A kit for repairing a tire, comprising, a first pressurized container including a first fluid and a second pressurized container including a second fluid. The first fluid comprises a first propellant and an emulsion comprising styrene butadiene rubber, a foaming agent, and an antioxidant. The second fluid comprises isopropyl alcohol and a second propellant.