Firwin’s metal foil insulation, or MFI, is a specialty insulation product featuring an outer foil shield, designed for components in exhaust systems requiring a durable, aesthetically pleasing insulation cover that can contour to complex shapes.
Benefits of MFI
MFI is an extremely versatile insulation option with the following characteristics:
Durability, with the ability to withstand extreme temperatures
Resistance to damage and corrosion from exposure to fluids
Flexibility, making it ideal to use on complex or unusual shapes
Customizability in terms of material choice, thickness, shape, and other attributes
Shiny, appealing appearance
Metal foil insulation is especially beneficial for use by original equipment manufacturers (OEMs) who need low- to medium-quantity orders of custom insulation.
Pros:
Good level of seal to tube/part
Good aesthetic
No extra work is needed by the end user to install
Lower cost compared to the formed type
Cons:
A lot of logistical effort from the customer
No way to repair it if the shield becomes damaged