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Author Topic: urethane, reactive urethane  (Read 3593 times)

puddlejumper

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urethane, reactive urethane
« on: June 24, 2011, 02:00:32 AM »
Brunswick Avalanche (urethane), The Jet (reactive urethane)

 

what is the difference in these coverstocks?  Is the Jet really just a reactive resin?



 

imholte08

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Re: urethane, reactive urethane
« Reply #1 on: June 24, 2011, 11:11:39 AM »
The Jet is a reactive resin, was just talking to the company president about this actually. There is going to be a website update with a little better description. 
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puddlejumper

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Re: urethane, reactive urethane
« Reply #2 on: June 24, 2011, 11:32:03 AM »
Thanks I appreciate the answer.   Reactive urethane and reactive resin were the same, as I thought.



Juggernaut

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Re: urethane, reactive urethane
« Reply #3 on: June 24, 2011, 12:50:52 PM »
All balls are based on the polyester base that "plastic" balls are made of.  "Plastic" is actually a misnomer, and should actually be called polyester, because that is what it actually is.

 

 When you add certain chemical additives to the polyester base material, you get polyurethane. The chemical additives change the polyester base, and transform it into polyurethane. That name, like the name polyester, wasn't sexy enough I suppose, so it was shortened to simply urethane.

 

 When you add MORE chemicals to the now transformed polyurethane, you give it a completely different quality. These additives are known as resins. These resins cause the polyurethane to have totally different qualities that before.

 

 Many people refer to certain batches of old Columbia Yellow Dot balls as "bleeders". That is because some of the chemicals in the coverstock of these soft POLYESTER balls would seep to the surface, causing them to have properties not seen before. In essence, these "bleeders" were the forerunners of todays reactive resin balls, sort of like a reactive plastic.

 

 How many different compounds can be made from the same base material is sort of like asking how many different types of cakes you can make using flour, milk, and eggs. Although the BASIC ingredients are the same, small change make a BIG difference.
 
Edited by Juggernaut on 6/24/2011 at 12:52 PM
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dizzyfugu

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Re: urethane, reactive urethane
« Reply #4 on: June 27, 2011, 06:43:47 AM »
Besides, just because two balls have a urethane shell or a reactive shell does not mean that they can be easily compared. While reactive material (porous coverstock material) has a very wide range of "aggersiveness" on the lane, urethane, too, covers a certain range of coverstock strengths. Old school urethane from the 90ies is non-porous and very hard. You find similar material on today's balls, too, but there are also blends that offer much more traction than those hard materials. Then add today's more powerful cores (esp. concerning RG diff., creating flare and forcing the ball into a stable end roll), and you get very different balls from 20 years ago. There are even some urethane-resin blends around, which are truly hard, but

 

To confuse customers even more, wild marketing lingo is strewn into this mix... not easy to keep up a good overview.


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