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.

Product ID: 3852915

Details

Brand
Permatex
Item Weight
0.01 Kilograms
Liquid Volume
0.5 Fluid
Material
Synthetic
Package Information
Bottle

⏳Long-lasting lubrication

🔥500°F heat resistance

🛠️Synthetic, non-melting formula

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¥2035

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛑 Stop brake fade before it starts — lube like a pro!

TRUSTED BY PROS ✅ - Ranked #2 in Automotive Caliper Greases with 4.7-star rating from over 3,000 users.
MAXIMIZED BRAKE LIFE ⏳ - Keeps caliper pins, sleeves, bushings, and pistons smoothly lubricated throughout pad lifespan.
ENDURES EXTREME HEAT 🔥 - Withstands up to 500°F to keep your brakes performing under pressure.
PRECISION APPLICATION 💧 - Compact 0.5 oz bottle delivers just the right amount for efficient maintenance without waste.
SYNTHETIC POWERHOUSE 🛠️ - Non-melting formula ensures consistent lubrication even in the harshest conditions.

Permatex 85188 Ultra Disc Brake Caliper Lube is a high-performance, synthetic lubricant designed to withstand extreme temperatures up to 500°F. Its non-melting formula ensures critical brake components like caliper pins, sleeves, bushings, and pistons remain lubricated throughout the entire brake pad life, preventing uneven wear and brake lockups. Trusted by professionals and ranked #2 in automotive caliper greases, this 0.5 oz bottle is the essential upgrade for anyone serious about brake maintenance and longevity.

Specifications

ASIN	B004WJPN2A
Best Sellers Rank	#6,087 in Automotive ( See Top 100 in Automotive ) #3 in Automotive Caliper Greases
Brand Name	Permatex
Container Type	Bottle
Customer Reviews	4.7 4.7 out of 5 stars (3,030)
Flash Point	260 Degrees Celsius
Global Trade Identification Number	00686226851888
Included Components	Item
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	Synthetic
Model Number	85188
Number of Items	1
Part Number	85188
Recommended Uses For Product	Fleet and plant maintenance.
SAE J300 Viscosity Grade	20W
Specific Uses For Product	Fleet and plant maintenance.
UPC	686226851888
Upper Temperature Rating	500 Degrees Fahrenheit
Viscosity	High
Viscosity Level	High

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