Is this a Silicone based lube?

It is NOT silicone based. If your concern is whether or not this will damage the rubber bushings and seals, it definitely will. It is for metal to metal applications only and will cause rubber bushings swell. Instead, use Permatex 80653 silicone extreme brake parts lubricant.

Is it used to grease the caliper bolts?

Yes clean off the bolt, grease it and slide it back into the rubber boot.

Will this work on ford rubber seals? just applied to my mustang and wondering if i should get something else?

Absolutely agree with R J's answer. Look at the specs and contents of the product. This product is not grease and has a high viscosity like gear oil. The touch and feel is similar to silicone, if you take a drop of it on your finger and rub it, the finger surfaces are absolutely dry just like a silicone test, which also tells you there is nothing oil-based component in it. Not sure at this time if it is any better than good old silicone that I've been using on my same trucks for last 20 years. BTW, I apply some of it on my new tools I buy and also for lubrication of O-rings since its safe for rubber and plastics. It is green in color and has no smell which I prefer.

Why should not I use copper base anti-seize lube and use this? Please advice. Thank you

Copper anti seize doesn't move that well and can actually cause the pins to jam due to the large copper particulates. Use some type of grease. I learned this the hard way

Permatex 85188 Ultra Disc Brake Caliper Lube 0 5 Oz

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Description

🛑 Stop at nothing—lubricate like a pro with Permatex Ultra Disc Brake Caliper Lube!

TRUSTED BY PROS 🚗 - Permatex’s proven reliability keeps your brake components lubricated in the harshest conditions.
ENDURES EXTREME HEAT 🔥 - Withstands up to 500°F to keep your brakes performing under pressure.
LONG LASTING PROTECTION 🟢 - Non-melting green grease that stays put throughout the entire brake pad life.
CORROSION NOISE DEFENSE 🛡️ - Prevents rust and eliminates annoying brake squeals for a premium driving experience.
PRECISION SYNTHETIC FORMULA 🛠️ - High-viscosity, ceramic-based lubricant ensures smooth caliper pin and piston movement.

Permatex 85188 Ultra Disc Brake Caliper Lube is a high-viscosity, ceramic-based synthetic lubricant designed to withstand extreme brake temperatures up to 500°F. Its non-melting green formula ensures continuous lubrication of caliper pins, sleeves, bushings, and pistons, reducing noise and preventing corrosion throughout the brake pad’s lifespan. Trusted by automotive professionals, this 0.5 oz tube delivers long-lasting performance under the toughest conditions.

Specifications

ASIN	B004WJPN2A
Best Sellers Rank	#24,866 in Automotive ( See Top 100 in Automotive ) #133 in Automotive Greases & Lubricants
Brand	Permatex
Brand Name	Permatex
Container Type	Tube
Customer Reviews	4.7 out of 5 stars 2,967 Reviews
Flash Point	260 Degrees Celsius
Global Trade Identification Number	00686226851888
Item Form	Liquid, Grease
Item Type Name	Ultra Disc Brake Caliper Lubricant
Item Weight	0.01 Kilograms
Item weight	0.01 Kilograms
Liquid Volume	0.5 Fluid Ounces
Liquid volume	0.5 Fluid Ounces
Manufacturer	Permatex
Material	Ceramic
Model Number	85188
Number of Items	1
Package information	Tube
Part Number	85188
Recommended Uses For Product	Automotive
Recommended uses for product	Automotive
SAE J300 Viscosity Grade	60
Specific Uses For Product	Lubrication of Brake Components, Brake Noise Reduction, Corrosion Prevention, Long-lasting Performance
UPC	686226851888
Upper Temperature Rating	500 Degrees Fahrenheit
Viscosity	High
Viscosity Level	High

Reviews

W**R

Very Important

Its says its for Disc Brake Caliper Lube, but does not say the temperature limits, I'll try and see how long will it last under extreme heat of the brakes....

26.09.2021

T**S

Bra smörjmedel!

Bra smörjmedel

8.10.2025

D**R

Excellent Brand

+ Product works when applied as per instructions + Top brand, can be trusted

25.02.2025

B**S

Great product

This product is a must have when serving brake slide pins, it’s high temp and lasts longer, preventing brake lockups and uneven wear on pads and rotors.

3.03.2026

B**M

Brake caliper grease

Perfect product, great results

18.05.2026

D**L

100% original

El producto solamente lo he visto anunciado en videos de youtube pero hasta ahorita no lo he utilizado

4.05.2026

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