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

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Permatex 85188 Ultra Disc Brake Caliper Lube, 0.5 oz.

Permatex 85188 Ultra Disc Brake Caliper Lube, 0.5 oz.

Product ID: 255417983

Details

Brand
Permatex
Item weight
0.01 Kilograms
Liquid volume
0.5 Fluid
Material
Ceramic
Package information
Tube

🔥500°F heat resistance

🟢Non-melting synthetic formula

🛠️High viscosity for lasting lubrication

Description

🛑 Stop brake noise and friction before it starts!

ENDURES EXTREME HEAT 🔥 - Withstands up to 500°F to keep calipers smooth under pressure
NON MELTING SYNTHETIC POWER 🟢 - Green synthetic grease that won’t break down or drip under stress
TRUSTED BY PROS LOVED BY DI YERS - Top-rated lubricant with 4.7 stars from over 3,000 users ensuring reliability
LONG LASTING HIGH VISCOSITY 🛠️ - Thick formula ensures continuous lubrication throughout brake pad life
PRECISION PROTECTION FOR CRITICAL PARTS - Specifically engineered for caliper pins, sleeves, bushings, and pistons

Permatex 85188 Ultra Disc Brake Caliper Lube is a high-viscosity, green synthetic lubricant designed to withstand extreme brake temperatures up to 500°F. It ensures critical brake caliper components like pins, sleeves, bushings, and pistons remain smoothly lubricated throughout the life of your brake pads, preventing noise and corrosion. Trusted by professionals and DIY enthusiasts alike, this 0.5 oz tube delivers long-lasting performance under the harshest conditions.

Specifications

ASIN	B004WJPN2A
Best Sellers Rank	#4,438 in Automotive ( See Top 100 in Automotive ) #36 in Automotive Greases & Lubricants
Brand Name	Permatex
Compatible Material	Brake Components
Container Type	Tube
Customer Reviews	4.7 4.7 out of 5 stars (3,008)
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
Liquid Volume	0.5 Fluid Ounces
Manufacturer	Permatex
Material	Ceramic
Model Number	85188
Number of Items	1
Number of Packs	1
Part Number	85188
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

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