Reference

ACF-50

• Can ACF-50 be shipped by air?

  Only the aerosol is considered HazMat for shipping and is unable to ship by air. 

• Can ACF-50 be used inside light aircraft fuel tanks to provide a corrosion inhibiting coat?

  This is not recommended to be used inside light aircraft fuel tanks. This is not an area wehre ACF-50 was designed. It would mix with the fuel and can cause other issues. 

• Can I paint over an application of ACF-50?

  Per the manufacturer, no you cannot paint over it. 

• Can the ACF-50 corrosion block be used on the interior of an aircraft?

  Yes, it can be used inside the aircraft. 

• Can this product be used on the underside and the wheel wells of an automobile?

  Yes, this is an anti-corrosion material that can be used on aviation as well as automotive applications. 

• Does ACF-50 dry or does it remain moist?

  ACF-50 is active, so there will always be a bit of film. 

• How does ACF-50 do on chrome? Is there any discoloration?

  This product works well on chrome and should not cause discoloration. ACF recommends using with a micro-fiber cloth.

• If the surface already has corrosion, will the application of this material visibly remove the corrosion?

  According to the manufacturer, if the surface has corrosion then yes, it will visibly remove it. However, if the surface has rust, then no, it will not remove the rust. The customer would have to clean the areas that have rust and then apply ACF-50 to prevent any more rust from appearing. 

• Is ACF-50 safe to use on a bonded aircraft structure? Will it attack or penetrate the bond material?

  ACF-50 will not negatively effect bonded structures in any way. It is perfectly safe for "all" composite aircraft structures. 

• What is the shelf life on ACF-50?

  According to manufacturing certs, this product is best used within two years of the date of manufacture.