Waxing chain, benzene a cancer risk?
#1
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Waxing chain, benzene a cancer risk?
I just read that heating paraffin creates benzene. What do you all think? Here's where I read it. Search on benzene.
https://zerofrictioncycling.com.au/w...-FAQ-v1.3a.pdf
https://zerofrictioncycling.com.au/w...-FAQ-v1.3a.pdf
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Are you going to be waxing your chain and dealing with melted paraffin for several hours a day every day of the year?
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I think a lot of non-chemists worry needlessly over such things. I guess if you got wax to just the right temperature it could break down but the more likely result is shorter straight chain hydrocarbons, not benzene which is a 6 member aromatic ring. The World Health Organization is probably a more reliable source of information on the hazards of paraffin and it shows wax to be pretty safe. https://inchem.org/documents/icsc/icsc/eics1457.htm
That is unless you heat it to the flash point and cause a fire. It is not a single compound so can have a range of flash points from 199 to 249 degrees C (115-154 F). Those who choose to clean their chains in gasoline have a lot more to worry about as according to the EPA on average it contains 1% benzene. That's a far greater exposure than to overheated paraffin. If you smell gasoline when you fill your gas tank you have breathed in some benzene. Do it outside and worry less.
That is unless you heat it to the flash point and cause a fire. It is not a single compound so can have a range of flash points from 199 to 249 degrees C (115-154 F). Those who choose to clean their chains in gasoline have a lot more to worry about as according to the EPA on average it contains 1% benzene. That's a far greater exposure than to overheated paraffin. If you smell gasoline when you fill your gas tank you have breathed in some benzene. Do it outside and worry less.
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My mother died of a disease called MDS, a myelodysplastic blood disease, and exposure to benzene is thought to be one cause.
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I wouldn't recommend huffing this in an unventilated closet, but it's probably fine if you turn a fan on.
Maybe.
I'm sure there's an expert on carcinogens on BF who will chime in, or at least someone willing to do some googling while pretending to be an expert on this topic.
Maybe.
I'm sure there's an expert on carcinogens on BF who will chime in, or at least someone willing to do some googling while pretending to be an expert on this topic.
#7
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I wouldn't recommend huffing this in an unventilated closet, but it's probably fine if you turn a fan on.
Maybe.
I'm sure there's an expert on carcinogens on BF who will chime in, or at least someone willing to do some googling while pretending to be an expert on this topic.
Maybe.
I'm sure there's an expert on carcinogens on BF who will chime in, or at least someone willing to do some googling while pretending to be an expert on this topic.
I'm thinking of maybe just using a liquid wax instead of melted wax, something like Bananaslip Tungsten All-weather. It did very well in tests, about the best among the drip on waxes. Even if I went through a cassette and chain ring every year, (about $200 total) it's better than getting cancer!
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I'm thinking of maybe just using a liquid wax instead of melted wax, something like Bananaslip Tungsten All-weather. It did very well in tests, about the best among the drip on waxes. Even if I went through a cassette and chain ring every year, (about $200 total) it's better than getting cancer!
According to Google: Tungsten is a transition metal in the same block as many of the carcinogenic metals on the periodic table and holds potential to induce cancer-associated effects.
You might want to wear gloves.
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If the main supporter for such cause is being backed by Proposition 65, then I'd be more concerned of being hit by a vehicle if riding the road bicycle in the roadways..
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#10
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Unless I snort the BananaSlip, the answer is probably yes. I do wear gloves when cleaning my chain.
#11
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Is this liquid wax is less likely to give you cancer than a melted wax?
According to Google: Tungsten is a transition metal in the same block as many of the carcinogenic metals on the periodic table and holds potential to induce cancer-associated effects.
You might want to wear gloves.
According to Google: Tungsten is a transition metal in the same block as many of the carcinogenic metals on the periodic table and holds potential to induce cancer-associated effects.
You might want to wear gloves.
Also...it's tungsten disulfide, and a quick google suggests that it's not dangerous.
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I'm thinking of maybe just using a liquid wax instead of melted wax, something like Bananaslip Tungsten All-weather. It did very well in tests, about the best among the drip on waxes. Even if I went through a cassette and chain ring every year, (about $200 total) it's better than getting cancer!
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No, not every day. I ride in some pretty moist, sandy, muddy conditions though, and supposedly, in those conditions, one is supposed to wax after most every ride. I could stretch it a couple three rides, probably using a liquid wax to top it off. How much carcinogen is safe?
My mother died of a disease called MDS, a myelodysplastic blood disease, and exposure to benzene is thought to be one cause.
My mother died of a disease called MDS, a myelodysplastic blood disease, and exposure to benzene is thought to be one cause.
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If you are concerned about it then just melt it or otherwise work with it in a well ventilated area. Outside is best. There are many more potentially carcinogenic things we touch or come in contact with every day. But similar to potentially poisonous stuff you come in contact with every day, the exposure times and amounts make a difference. IMO, though.
I'd certainly defer my opinion to any that study carcinogenic chemicals and can explain them in laymen's terms to me. But till then, I'll just hope that the government authorities that currently regulate such stuff have done their due diligence with it for the current knowledge out there.
I'd certainly defer my opinion to any that study carcinogenic chemicals and can explain them in laymen's terms to me. But till then, I'll just hope that the government authorities that currently regulate such stuff have done their due diligence with it for the current knowledge out there.
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BananaSlip is wax suspended in water.
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I just read that heating paraffin creates benzene. What do you all think? Here's where I read it. Search on benzene.
https://zerofrictioncycling.com.au/w...-FAQ-v1.3a.pdf
https://zerofrictioncycling.com.au/w...-FAQ-v1.3a.pdf
You also don’t need to heat your paraffin to the kinds of temperatures where it would start smoking. It doesn’t start to burn until it is about 200°C (390°F) which is the smoking point. You only need it to be liquid, not smoking. The melt point is around 50°C to 70°C (115° to 150°F). You don’t need to heat it much above the melt point.
The Zero Friction article is also wrong about Teflon. The decomposition products of Teflon aren’t PFOA (perflourooctanoic acid). The decomposition products are far more complex and far more toxic. You also have to heat Teflon to over 330°C (620°F) in order to decompose it. If you heat your wax to that temperature, your kitchen is likely to be on fire first.
Using wax and/or teflon is safe as long as you don’t try to burn them.
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Once you get set up on a chain wax system where you rotate 2 or 3 chains, then waxing or changing chains after every ride would not be that time consuming. So long as you use quick links, changing out a chain takes about the same amount of time as putting air in your tires before a ride.
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Yes, “liquid wax” is usually wax in a solvent. The solvent evaporates and leaves the wax behind. However the health effects of volatile solvent depends on the nature of the solvent. Water is volatile as is alcohol, acetone, gasoline, benzene, mineral spirits, and more. Some are toxic and some have much lower toxicity. Mineral spirits (probably the most widely used lubricant solvent), isn’t particularly toxic. It’s also used in oil based chain lubricants because oil based lubricants work the same way.
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Last edited by cyccommute; 10-04-21 at 08:58 PM.
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Once you get set up on a chain wax system where you rotate 2 or 3 chains, then waxing or changing chains after every ride would not be that time consuming. So long as you use quick links, changing out a chain takes about the same amount of time as putting air in your tires before a ride.
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Just use NFS lube. It’s the best.
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That's pretty impressive! I'm not proposing replacing one's chain any sooner than need be. I'm just saying you could install a freshly waxed chain every ride with minimal fuss once you are up and running. That is if you ride in the rain a lot or get the chain into some really nasty stuff and needed to rotate it for the ready one after just 1 ride. I followed the directions from Molten Speed Wax and once you prep a new chain for wax the first time, you are good to go for a long time.
Last edited by masi61; 10-04-21 at 04:05 PM.
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I guess it's time to go back to a razor.
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