Hello, could you please provide the NSF certificate for this item?

Dear, our NSF registration number is No.146038, you can check on the official website.

is this grease safe for plastic and fountain pens?

Yes. No problems in my 40+ years experience.

Can this be used on threaded connections instead of plumbers tape to prevent leaks?

This is not used to seal FPT (female pipe taper) and MPT (male pipe taper) plumbing pipe threads to prevent leaks. This is a lubricant that is primarily used on neoprene, butyl, nitrile, EPDM, etceteras, o-rings and gaskets. The lubricant assist in assembly and helps prevent bunching of the seal material as it is being tighten. It also aids in making a contact sealing surface for the o-ring and gasket. Examples where it might be use: sink/tub faucet valve stem, the o-ring on a PVC union or PVC union ball valve, etceteras. There are other pipe sealants that can be use to seal tapered threaded pipes like "Oatey White Pipe Joint Compound", "Highside Leak Lock Pipe Joint Sealant", "Permatex Thread Sealant with PTFE".

What is the percent of silicone in this product?

There is no information provided on the product packaging. All silicone greases are composed of silicone oil, PDMS, and a thickening agent, usually amorphous fumed silica, to make the oil into a grease. The exact proportions of the two may be proprietary info, so you would have to contact the mfr directly.

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Faucet O-Ring Silicone Lubricant |Plumber Grease (3)

Faucet O-Ring Silicone Lubricant |Plumber Grease (3)

Product ID: 731933975

Details

Brand
Keze
Item Weight
1 Ounces
Liquid Volume
1 Fluid Ounces
Material
Silicone
Package Information
Tube

💧Water & oxidation resistant

🌡️Temp stable -40° to 400°F

🛠️Multi-use plumbing & mechanical

₨572

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Keep your faucets flowing flawlessly—because smooth is the new smart.

FOOD GRADE SAFETY - Odorless, colorless silicone grease safe for drinking water systems
VERSATILE APPLICATION - Perfect for faucets, valve stems, gaskets, scuba gear, and more
LONG LASTING LUBRICATION - High silicone content ensures smooth operation and reduces friction over time
EXTREME TEMPERATURE RESILIENCE - Maintains consistency from freezing -40°F to scorching 400°F
WATERPROOF OXIDATION RESISTANT - Protects seals and o-rings from wear, extending fixture lifespan

Keze’s Faucet O-Ring Silicone Lubricant is a premium, food-grade silicone grease designed for professional-grade plumbing maintenance. It withstands extreme temperatures (-40° to 400°F), resists water and oxidation, and provides long-lasting lubrication for faucets, valves, gaskets, and more. Trusted by thousands with a 4.7-star rating, this odorless, colorless paste ensures leak-free, smooth operation while being safe for contact with drinking water.

Specifications

ASIN	B0BN82MJVK
Best Sellers Rank	#79,446 in Home Improvement ( See Top 100 in Home Improvement ) #1,514 in Pipe Fittings & Accessories
Brand Name	Keze
Compatible Material	Silicone
Container Type	Tube
Customer Reviews	4.7 4.7 out of 5 stars (5,333)
Included Components	Silicone
Item Form	Paste
Item Weight	1 Ounces
Liquid Volume	1 Fluid Ounces
Manufacturer	keze
Material Type	Silicone
Model Number	001
Number of Items	3
Number of Packs	3
Part Number	001
Recommended Uses For Product	Mechanical
Specific Uses For Product	Plumbing, Waterproofing, Lubrication
UPC	655365167310
Unit Count	1.0 Count
Upper Temperature Range	400 Degrees Fahrenheit

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Good experience, but the tracking updates could be better.

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