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

Yes. That is exactly what this is for.

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

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.

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

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

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

Sounds like this is exactly what you need then!

Haynes Silicone Grease Food Grade Sanitary Lubricant Machine Lube Prevent

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Description

🛠️ Keep your seals slick and your gear running smooth — don’t get stuck behind the curve!

PROUDLY MADE IN THE USA - Crafted domestically with strict quality controls, supporting local manufacturing and compliance.
VERSATILE SEAL PROTECTION - Ideal for EPDM seals and synthetic rubber, maintaining integrity under vacuum and pressure.
PREMIUM FOOD GRADE FORMULA - Engineered with FDA-compliant silicone fluids for safe use in food processing environments.
DIELECTRIC CHEMICAL RESISTANT - Acts as a dielectric grease and resists chemical breakdown for reliable electrical and mechanical protection.
TEMPERATURE RESISTANT PERFORMANCE - Prevents valve and O-ring sticking across extreme temperature ranges, ensuring smooth operation.

Haynes Silicone Grease is a premium, FDA-approved food-grade lubricant designed to prevent sticking and wear in valves, O-rings, and EPDM seals. Its high-performance silicone formula withstands extreme temperatures and chemical exposure, making it perfect for food processing equipment, vacuum systems, and electrical connectors. Manufactured in the USA, it ensures safety, reliability, and long-lasting protection for critical machinery components.

Specifications

ASIN	B00CI88AZ4
Best Sellers Rank	#55,904 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #130 in Power Tool Lubricants
Brand Name	Zenement
Container Type	Tube
Customer Reviews	4.8 4.8 out of 5 stars (584)
Included Components	Silicone Grease
Item Form	Grease
Item Type Name	Silicone Grease
Item Weight	0.05 Pounds
Liquid Volume	0.1 Liters
Manufacturer	Haynes
Material	Silicone
Model Number	HAYSG_4OZ_TUBE
Number of Items	1
Part Number	1000S
Recommended Uses For Product	Lubrication of Food Processing Equipment, Sealing High Vacuum or High Pressure Systems, and As Dielectric Grease
Specific Uses For Product	Lubricating valves and equipment containing EPDM seals, preventing valves and o-rings from sticking in various temperature conditions
UPC	194773148677
Unit Count	4 Grams

Reviews

D**D

Perfect to lubricate the gasket seal for E61 espresso machines. Thin layer will do. Remember curve side’s up.

24.09.2025

J**M

Very good quality and quantity of grease. Useful for a variety of applications.

16.03.2026

W**E

Works Well

8.12.2025

M**R

This review is for Haynes Silicone Grease, Food Grade Sanitary Lubricant, Machine Lube, Prevent Valves and O-Rings from Sticking, 1-4oz Tube Silicone Grease HAYSG Tube Clear. Let me start off by saying this is a giant tube. I did not realize it was going to be this large of quantity. I only needed a tiny amount for some sink faucet gaskets I replaced to help them last longer. Since this was being used for potable water, I looked for something that was food grade and made in USA. This fit the requirements. I've had this applied for four months now on faucets that get used multiple times a day, and so far, everything is great.

19.11.2025

P**F

Product is fine. Shipping 5 days late.

30.01.2021

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

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The delivery time was excellent, and the packaging was secure.

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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