Question 1

Would this be a food grade silicone plumbers grease appropriate for lubricating threads of a brass kdf shower filter to allow easier opening?

Accepted Answer

Yes. That is exactly what this is for.

Question 2

Is there a shelf-life for this product and is it marked on the tube?

Accepted Answer

From Haynes:

Haynes Silicone Grease is a sanitary grease complies with all regulatory agencies. Haynes Silicone Grease is specifically formulated with the highest quality silicone fluid and additives to meet the unique demands placed on all types of food processing equipment. This grease will prevent valves and o-rings from sticking in both high temperature and low temperature (freezing) conditions. Haynes Silicone Grease can be used in high vacuum or pressure systems to seal synthetic rubber and plastic parts that come in contact with metal. The grease is inert and will resist many chemicals. It can be effectively used on EPDM seals where grease compatibility is a concern.   It also can be used as a dielectric grease.  Haynes Silicone Grease is NSF rated H-1, Kosher Certified, Halal Certified, and made from ingredients

The important part is " The Grease is Inert" providing you keep it in the container and clean from contamination the shelf life should be nigh indefinite.

Question 3

Can i use this on a squeaky hinge of a microwave?

Accepted Answer

You can use this product on anything it is completely food safe and yes it will help squeaky doors I use this on my water filters to keep them from getting stuck so they're not so hard to take apart when it's time to change them

Question 4

Can this be used for a squeaky microwave oven door hinge? GE advised I needed a non-flammable, non-spray, food grade silicone grease.

Accepted Answer

Sounds like this is exactly what you need then!

Manufacturer	PDTXCLS
Brand	Haynes
Model	HAYSG_4OZ_TUBE
Product Dimensions	2.54 x 7.62 x 5.08 cm; 22.68 g
Item model number	HAYSG_4OZ_TUBE
Manufacturer part number	1000S
Item Weight	22.7 g

Haynes Silicone Grease, Food Grade Sanitary Lubricant, Machine Lube, Prevent Valves and O-Rings from Sticking, 1-4oz Tube Silicone Grease HAYSG 4OZ Tube Clear, 4-oz

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