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inzane
Wrecked
Joined: Feb 23, 2005
Posts: 6,642
Location: churchur
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 Posted: Thu 1/May/08 4:50pm Post subject: |
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| danose wrote: | | inzane wrote: | and I have read a few posts on other sites where those sealants have been bubbling through the sidewalls.
Has anyone here actually used the Airlock sealant with tubeless non-UST tyres??
(Spokes - I assume you had the airlock tubes with the sealant inside on the postie bikes??) |
I know speshy said they'd reformulated airlock for this year - presumably for compatibility with 2bliss tyres
I'd suspect people with sealant bubbling thru have made the error of ghettoing really cheap nasty tyres with low tpi casings.... |
The specific case I read was a set of 2-bliss eskars, but it could have been before Specialized reformulated. Do I trust that the nz importers will be onto the new batch??
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danose
Mangled
Joined: May 27, 2004
Posts: 10,986
Location: Nose City
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| Posted: Thu 1/May/08 4:56pm Post subject: |
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| inzane wrote: | | The specific case I read was a set of 2-bliss eskars, but it could have been before Specialized reformulated. Do I trust that the nz importers will be onto the new batch?? |
to add to the confusion - UK market got 'airlock pro' for 2008, which apparently doesn't work well at low temps!  to the extent they'd done a voluntary recall of it
and if you look on the 'NZ' speshy site that seems to be what we got here 
wheras US market stuff wasn't 'pro' and was packaged different...
try the Geax stuff - vittoria know their way around tyres better than speshy...
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inzane
Wrecked
Joined: Feb 23, 2005
Posts: 6,642
Location: churchur
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| Posted: Thu 1/May/08 5:01pm Post subject: |
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Yeh, or I could just try formulating my own. Pretty sure I have a good idea of what I need to put in there and access to the right stuff!
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inzane
Wrecked
Joined: Feb 23, 2005
Posts: 6,642
Location: churchur
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| Posted: Thu 1/May/08 5:09pm Post subject: |
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Sealing compound 28 comprises a mixture of a natural liquid latex that contains ammonia and a corresponding amount of water. Compound 28 can vary from one to five teaspoons of liquid latex for every ¼ cup of water to form a mixture which is non-viscous enough to seal punctures but viscous enough to flow through tire 18 . Depending on temperatures and humidity, sealing compound 28 made with water will generally last one to six weeks, after which more compound should be added to maintain proper tire inflation and protect against punctures. In addition to allowing the conversion of a standard tire to a tubeless tier, the use of sealing compound 28 will also immediately seal any punctures as they occur during operation of the bicycle.
Sealing compound 28 may optionally contain propylene glycol to slow the drying of compound 28 . To prepare a quart of sealing compound 28 according to this embodiment, six ounces of liquid latex should be mixed with 14 ounces of water and 12 ounces of propylene glycol. Compound 28 should first be prepared by mixing liquid latex with water and then adding the propylene glycol. In addition to providing a tackier, longer-lasting compound 28 k this mixture will also resist freezing at operating temperatures below 32 degrees Fahrenheit.
Sealing compound 28 may additionally contain approximately ½ ounce of an aggregate material. Aggregate material is comprised of a mixture of different size particle which aid in filling larger punctures which may develop in tire 18 by helping to fill in the larger space formed by a puncture while sealing compounds fills the interstitial gaps. The size of the particles in aggregate material should vary between about 0.15 mm to 0.60 mm. A substance which can serve as the aggregate material is commercially available ground cornmeal. One useful sample of cornmeal contained 41.6 percent of particle between about 0.30 mm and about 0.6 mm and 39 percent of particle between about 0.15 mm and about 0.30 mm. Stable compounds, such as polymer resins, which can be formed into the appropriate diameter ranges may also be used.
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inzane
Wrecked
Joined: Feb 23, 2005
Posts: 6,642
Location: churchur
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| Posted: Thu 1/May/08 5:10pm Post subject: |
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and just found this info...
There are two main types of sealant: Latex based and glycol based. Latex based sealants such as Stan's, Eclipse or (blatant plug) our JustRidingAlong Wheel Milk will dry up and need topping up after a few months, while glycol based sealants, such as Bontrager Super Juice, Ultraseal, Hutchinson, Geax and Slime, won't dry out. Unfortunately glycol sealants don't work very effectively; partly because they don't dry they never form a solid plug in any holes or pores so they continue to leak air at varying rates. I would always recommend latex sealants, you just need to give the tyre a shake every so often and listen for sloshing liquid. If it's dry, top it up. One final warning: latex allergies are not uncommon; if you come out in a rash then you might have to stick with glycol sealants and UST tyres.
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Spokes
Wrecked
Joined: Nov 13, 2005
Posts: 5,784
Location: Skyway
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| Posted: Thu 1/May/08 5:15pm Post subject: |
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Anybody tried the DT stuff?
Just a random thought.
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inzane
Wrecked
Joined: Feb 23, 2005
Posts: 6,642
Location: churchur
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herbman
Flogged
Joined: May 30, 2003
Posts: 3,817
Location: the alexs, the land that time forgot
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| Posted: Thu 1/May/08 5:37pm Post subject: |
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| Spokes wrote: | Anybody tried the DT stuff?
Just a random thought. |
yes better than rimskin and about the same as stans and my home mades stuff.
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Hub
Dusty
Joined: Nov 22, 2005
Posts: 77
Location: Fighting for the last piece of cake
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| Posted: Thu 1/May/08 8:40pm Post subject: |
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We have tried most of the makes and mixes and have all gone back to Stans even though it is the most expensive.
The glycol ones work well in a tube but are often too thick for sealing standard tyres runing tubeless, although they don't dry out.
The Specilaized works OK but still not as good as stans and it is cheaper potentially if we can get the bulk bottles brought in to the country, the aggragate is very effective in bigger cuts.
DT system was originally Eclipse wheel milk, DT bought the rights to it. We have found that DT along with everything latex except Stans it builds a film of material on the tyre whick will stick like tihs to a blanket and be a major pain in the backside. if you puncture the tyre welds together like contact glue. Stans however dries at the same rate but collects in a spikey ball of the polymer aggregate leaving the tyre clean inside. Worst thing with stans is the price and the fact we cannot buy bigger amounts to get the cost down.
You get whats you pays for!
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KieranC
Worn
Joined: Oct 25, 2006
Posts: 738
Location: waitomo
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| Posted: Sat 10/May/08 12:07pm Post subject: |
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| Hub wrote: | Worst thing with stans is the price and the fact we cannot buy bigger amounts to get the cost down.
You get whats you pays for! |
the price high price of stans also encourages people to avoid buying it local and getting it from the US where if you shop around you can find it for about $18(nz) per 900ml bottle
I'll admit to buying up a 2 year suply of the stuff, between 3 of us we got 6x900ml bottles + shipping for $180nz. it would be silly to pay $55 a bottle for it when you can save $150 doing it the cheap esrad way 
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DirtTrax
Joined: Oct 29, 2008
Posts: 1
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| Posted: Wed 29/Oct/08 3:12pm Post subject: |
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Yah, have tried Stans but 2 expensive and a problem to clean up; I found True Bllue Puncture GOO will do everything Stans + some. I was paying $150 a bottle for Stans and the same quantity in TBG costs me $39 @ Chain Reaction Cycles. True Blue GOO works just as well turning tube tyres into tubeless, though some low thread count side walls will need about 150-170 ml to proof as it soaks up 1st time.
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Nick_K
No frills, just hardcore
Joined: Oct 05, 2004
Posts: 9,942
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| Posted: Wed 29/Oct/08 3:18pm Post subject: |
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| DirtTrax wrote: | | I was paying $150 a bottle for Stans and the same quantity in TBG costs me $39 @ Chain Reaction Cycles. True Blue GOO works just as well turning tube tyres into tubeless, though some low thread count side walls will need about 150-170 ml to proof as it soaks up 1st time. |
$150!! Your bike shop is ripping you off then.
Ive never needed more than 60-80mL of Stans in any non tubeless so if you are having to use almost double the amount of this "True Blue Goo" you speak of its not atually any cheaper.
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ThingOne
Flogged
Joined: Mar 05, 2007
Posts: 2,336
Location: 172.20.0.151
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| Posted: Wed 29/Oct/08 3:20pm Post subject: |
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| Nick_K wrote: | | DirtTrax wrote: | | I was paying $150 a bottle for Stans and the same quantity in TBG costs me $39 @ Chain Reaction Cycles. True Blue GOO works just as well turning tube tyres into tubeless, though some low thread count side walls will need about 150-170 ml to proof as it soaks up 1st time. |
$150!! Your bike shop is ripping you off then.
Ive never needed more than 60-80mL of Stans in any non tubeless so if you are having to use almost double the amount of this "True Blue Goo" you speak of its not atually any cheaper. |
$150  , 940ml is about $55
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grahamt
Worn
Joined: Oct 11, 2004
Posts: 726
Location: upright
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| Posted: Wed 29/Oct/08 3:22pm Post subject: |
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You can get 900ml stans bottles for $55 on drat Me - last a couple of years and will do 15 tyres at 60ml/tyre and no stuffing around with mixking your own. I reckon $3.66 per tyre change is money well spent.
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Scotty
yeahnah
Joined: Mar 15, 2002
Posts: 14,315
Location: Heading South
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| Posted: Wed 29/Oct/08 3:25pm Post subject: |
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60ml bottle of stans goo... $9.95 each. one for each tyre. 
Stans stuff is the roxxor. 
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