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57nortonmodel77
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Cadmium or zinc plating
#795175 01/08/20 4:23 pm
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I am restoring a 1975 ti60 and am not sure if they used cadmium or zinc that late in the game
I usually do cadmium on all my BSA and Norton work but the hardware looks more like zinc
Terry

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Re: Cadmium or zinc plating
terry parker #795200 01/08/20 9:09 pm
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Hi Terry, '75 T140 I've seen have all been cadmium. My friends '77 T140 is cadmium. T160 was made in BSA plant so I don't know.

John replated most parts with Eastwood zinc kit. Uses D cell battery & a little zinc bar on an acid brush with special solution.t. Not very thick. Very time consuming, but color is more the white of cadmium, not the bright silver of some zinc.

Bike has 2 years of use including some wet rides now. Has held up good so far. That's my only personal experience. I worked with John & did some pieces myself. Prep is everything. It must be prepped perfectly.

Carefully bead blasted, or brushed stainless can look very similar to cadmium also. A viable choice these days.

Problem was new fasteners & brackets looked more like zinc. So in this case do it yourself kit worked out fine.

Seems like the parts places are selling correct fasteners, but they appear to be zinc now. Cadmium is pretty much outlawed world wide now due to it's hard to recycle the metal.

Do you have a plater that does cadmium?
Don


1973 Tiger 750
Re: Cadmium or zinc plating
TR7RVMan #795234 01/09/20 2:19 pm
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Yes I deal with Billmark Plating in Dallas
Terry

Re: Cadmium or zinc plating
terry parker #795236 01/09/20 3:11 pm
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Cadmium is still required for some defense applications.
Find a plater who does work for defense applications and he will probably do cadmium.
HTH

Re: Cadmium or zinc plating
terry parker #795259 01/09/20 8:55 pm
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Hi terry, Looks like a good place.
Don


1973 Tiger 750
Re: Cadmium or zinc plating
terry parker #795266 01/09/20 10:10 pm
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You can get cad plating thru Don Hutchinson. Price is by the pound.

Re: Cadmium or zinc plating
terry parker #795282 01/10/20 2:40 am
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As Don said there is some real nice reproduction hardware out there. Anything from the UK is zinc. Story is that alot of the European judging authorities now overlook the plating since the process can't be done there. Luckily for me, there is a place 40 minutes away that will let me drop a 5 gallon bucket off for some show beautiful "white cad" plating.

Jet Plate
1840 Cotton St.
Reading, PA 19606
610-373-6600
They are old school, you have to call them on the phone. Across the street is Reading Polishing & Plating, part of the same family and can do nice chrome plate. Both places have been around much longer than me.

Re: Cadmium or zinc plating
terry parker #795299 01/10/20 12:23 pm
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Stainless components usually look nice but won't fool a Concours judge if that's your thing.

Vapor honing can bring them a bit closer to the Cad look. Just saying. Ahem...

SR
www.metallpolering.no

Re: Cadmium or zinc plating
terry parker #795315 01/10/20 4:08 pm
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I got great results from the Caswell CopyCad system. I'm sure it's not concours correct and may not last as well as cadmium. Depends on what you're going for and your pace of restoration. Nice thing about having a small batch system is you can keep the fasteners organized. I cannot imagine stripping down a bike and sending off hundreds of pieces then sorting on return, especially on a machine with multiple thread standards. If you have a well ventilated place to do it, the process is rewarding.

Re: Cadmium or zinc plating
terry parker #795326 01/10/20 6:47 pm
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I used to bead blast my stainless steel spokes for a more original look. I don't think anyone was the wiser....It's also possible with nuts and bolts, but tools leave tell-tale polished marks. I now leave them satin finish as found because my bikes don't get anywhere near knowledgeable people these days. I'm basically the only guy for 2500 miles that would know the difference.....
Try Burbank Plating in California. I've had loads of stuff done. The last time I did it, they had a lot price for 75 lbs. Send your own self addressed Priority mail flat rate box with your lot. Call first.
Cheers,
Bill


Bikes
1974 Commando
1985 Honda Nighthawk 650
1957 Thunderbird/T110 "Black Tiger"
Antique Fans: Loads of Emersons (Two six wingers) plus gyros and orbiters.
Re: Cadmium or zinc plating
terry parker #795332 01/10/20 8:10 pm
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My older brother when asked about loss of most cad platers said that he has had hardware satin hard chrome for a tough similar look, I never saw any but always kept this in the back of my mind...just a thought. Mark


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