The Can-in-Can system of Nussbaum has recently been reengineered and it proves to be the most convenient packaging for high-viscosity active substances like silicones, pastes, creams and greases. The inner pouch contains the product and separates the ingredients from the propellant and makes it absolutely diffusion prove. The aluminium packaging is sealed at a one-inch opening to fit all common valves and actuator systems.
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