brake rust prevention

magic77 · 03-08-2013, 06:34 AM

My new Pagid discs have arrived for rear and joy of joy are painted.

Want to give them a extra covering just not sure which would be better.

Zync Primer or Hammerrite High Temp Paint.

Hammerite is up to 600C just wondering what anyone else has done

A_P · 03-08-2013, 06:38 AM

Hammerite is very popular. But it will eventually get rust or small deposits on it anyway. Unless you are totally anal about cleaning.

Better to just re paint every year or 6 months month if you want it pristine.

magic77 · 03-08-2013, 06:46 AM

I usually retop up the pain when winters / summer tyres swap occurs as have two sets of wheels so not a problem

Will go with ahmmer as black will look better IMO

Phil325i · 03-08-2013, 06:56 AM

I just use standard Hammerite smooth silver. Seems to work fine. Once you've built up a couple of layers it doesn't seem to rust again.

magic77 · 03-08-2013, 07:28 AM

Masked it up and done Hammerite High Temp hopefully will end with good protection. Then just got the calipers to do. Not sure yet have normal hammerite for brush application so will probably use that as dont want to use spray can near the bodywork

doughboy · 03-11-2013, 08:24 AM

After advice from a mate who rebuilds & sells motorbikes, I used spray matt black 'BBQ & Stove' paint, same thing as high temp paint, but needs a 'bake' to cure, so you have to be careful fitting the disks after painting as it isn't fully hard, then a good run with plenty of braking to 'cure' the finish, looks great.

It gives an even, smoot matt finish, almost like a powder coat, looks great.

Most important thing for any finish is degreasing and drying before painting. New discs come coated in oil/grease to stop rust, so I scrubbed mine in a bucket of Gunk, then washed with soapy water and rinsed, you can tell when they are properly clean as they go rusty in seconds, even finger contact leaves rusty 'finger prints' on the steel.

I've tried black and, previously, silver. But Black looks much better IMO.

03-08-2013, 06:34 AM	#1
magic77 Brigadier General 258 Rep 3,815 Posts Drives: ex- 335i Join Date: Apr 2009 Location: Surrey iTrader: (2)	brake rust prevention My new Pagid discs have arrived for rear and joy of joy are painted. Want to give them a extra covering just not sure which would be better. Zync Primer or Hammerrite High Temp Paint. Hammerite is up to 600C just wondering what anyone else has done __________________ F30 335i M Sport - now departed
	Appreciate 0 Tweet Quote

03-08-2013, 06:38 AM	#2
A_P Lieutenant Colonel 57 Rep 1,698 Posts Drives: E46 M3 Join Date: Mar 2012 Location: South East iTrader: (0)	Hammerite is very popular. But it will eventually get rust or small deposits on it anyway. Unless you are totally anal about cleaning. Better to just re paint every year or 6 months month if you want it pristine.
	Appreciate 0 Quote

03-08-2013, 06:46 AM	#3
magic77 Brigadier General 258 Rep 3,815 Posts Drives: ex- 335i Join Date: Apr 2009 Location: Surrey iTrader: (2)	I usually retop up the pain when winters / summer tyres swap occurs as have two sets of wheels so not a problem Will go with ahmmer as black will look better IMO __________________ F30 335i M Sport - now departed
	Appreciate 0 Quote

03-08-2013, 06:56 AM	#4
Phil325i Brigadier General 615 Rep 3,193 Posts Drives: E92 325i MSport Coupe Join Date: Apr 2012 Location: UK South East iTrader: (1) Garage List 2009 BMW 325i Coupe [6.00]	I just use standard Hammerite smooth silver. Seems to work fine. Once you've built up a couple of layers it doesn't seem to rust again. __________________ E92 pre-LCI 325i - Ohlins R&T; H&R spacers; M3 strut brace; Swift thrust sheets; 3 x chassis braces; diff brace; N53 V-brace; 034 subframe inserts; BMS clutch stop; BMS CDV; RE g/box mounts; Delrin shift bushes; Saikoumichi OCC; Cyba scoops; BMW Perf Exhaust; HEL s/steel brake hoses; M3 rear spoiler; Recaro Sportster CSs; M3 white dash LEDs; LED Angels; LED side repeaters; BMW Perf black grille; CSL reps; SSDD carbon diffuser; Monster Wrap black roof/clear front
	Appreciate 0 Quote

03-08-2013, 07:28 AM	#5
magic77 Brigadier General 258 Rep 3,815 Posts Drives: ex- 335i Join Date: Apr 2009 Location: Surrey iTrader: (2)	Masked it up and done Hammerite High Temp hopefully will end with good protection. Then just got the calipers to do. Not sure yet have normal hammerite for brush application so will probably use that as dont want to use spray can near the bodywork __________________ F30 335i M Sport - now departed
	Appreciate 0 Quote

03-11-2013, 08:24 AM	#6
doughboy Major General 1545 Rep 8,972 Posts Drives: 2018 M2 Comp 6MT Join Date: Jan 2009 Location: UK iTrader: (2)	After advice from a mate who rebuilds & sells motorbikes, I used spray matt black 'BBQ & Stove' paint, same thing as high temp paint, but needs a 'bake' to cure, so you have to be careful fitting the disks after painting as it isn't fully hard, then a good run with plenty of braking to 'cure' the finish, looks great. It gives an even, smoot matt finish, almost like a powder coat, looks great. Most important thing for any finish is degreasing and drying before painting. New discs come coated in oil/grease to stop rust, so I scrubbed mine in a bucket of Gunk, then washed with soapy water and rinsed, you can tell when they are properly clean as they go rusty in seconds, even finger contact leaves rusty 'finger prints' on the steel. I've tried black and, previously, silver. But Black looks much better IMO. Last edited by doughboy; 03-11-2013 at 08:31 AM..
	Appreciate 0 Quote