Foam concentrate flow rate not less than the standard reference values of flow rate or viscosity of the liquid foam concentrate is not greater than the standard reference values of fluid viscosity
The flow of foam fluid is not less than the flow of the standard reference liquid or the viscosity value of the foam fluid is not greater than the viscosity value of the standard reference fluid
The flow rate of foam liquid is not less than that of standard reference liquid or the viscosity value of foam liquid is not greater than that of standard reference liquid.<br>