Sintered is a process of compression and heat over time which causes better bonds within the plastic, and more pores. Its more durable, and absorbs wax better.

Extruded is a melt and press process, quick cheap and easy

 

Yeah i have a similar question. Rome's jib/park decks have "impact bases"...whats that?

 

well like if the board i want has an extruded base and i would prefer sintered, does it take alot away from me or is it a minor detail. thats basically my question.

 

Well i guess they dont absorb wax as well but i dont really notice a difference. The board i rode lst year had an extruded base and with some wax it still flew like nobodys business sooooo yea.

 

nevermind, just looked on the website and answered my own question.

 

well aright im just gonna get the board i wanted with the extruded base. im gonna jib the shit out of it anyway, the horrorscope incase you were wondering.

 

Sintered bases are faster. Need to be waxed religously. More durable. More expensive.

Extruded bases technically never need waxed. They are a solid peice without pours. You can wax them for sure, but it will rub off with half a day's riding.

I have both and cannot tell a difference. Your jib sticks are pretty much all extruded.

 

Sintered bases are faster. Need to be waxed religously. More durable. More expensive.

I was under the impression that sintered bases are less durable

 

I mildly disagree that wax rubs off after half a day on Extruded. Maybe on the east coast with all that crap snow/ice but...

You'll notice bases get whiter tinted when they get "dry". Don't let that happen to a sintered base, its bad for it. For extruded bases, I normally notice it after 5 or six days. 1 day right next to the edges, but it takes about 4-5 days for that white to migrate a couple inches in from the edge.

 

no, sintered are significantly more durable, an extruded base will scratch and gouge before a sintered base will. Extruded however are much easier to repair than sintered.

 

no sintered are significantly more durable, a extruded base will scratch and gouge before a sintered base will. Extruded however are much easier to repair than sintered.

There it is.

 

Sintered is the technology that you want...

 

i have a sintered and a extruded and i can't tell the difference in speed. extruded bases are softer and take more dings etc. but ez to repair.

 

Depends what the molecular structure of the sintered base is. You can have a 1000 series sintered base and an extruded base, and no, you won't really notice a difference. In fact, the extruded may even be faster. But if you take the Never Summer Titan's base, which is a sintered 5501 base... you can safely bet that the dude with the Titan will be riding circles around the guy with a cheap extruded base.

 

This guy has it correct, its all about molecular weight(mostly). Sintered bases generally use a higher MW polyethene. The advantages of a higher MW are that it is harder to damage, because damage due to abrasion will more easily shear off the PE between molecules rather than cleave through the middle of a molecule, thus less material is usually lost during an impact. Higher molecular weight PE will also be less dense and more porous, but the increase in porosity of a sintered base isn't because of the material but rather manufacturing technique(high pressure compression) which leaves more voids for wax absorption.

Also, I believe the statement that sintered bases are more expensive to fix is a myth. The majority of bases are fixed by melting PTEX into the gouge, I don't know of any widely available methods that allow you to compress sintered base material into a gash. Even if you melt "sintered" base material into the gash, it has essentially become extruded. The only slight advantage over normal PTEX rods may be if the sintered repair material uses a higher MW PE. You will still lose a majority of the wax absorption advantages in the repair location.

 

In general, my understanding has been:

Sintered - faster, stronger, more expensive
Extruded - not as fast/strong, easier to repair, cheaper

 

Extruded bases suck It was the one drawback of my T1. You can def notice a difference in the speed and hardness of a sintered base.

 

I'm not sure if it's still true, but I heard years ago that half the cost of a new board was in the base alone, in terms of materials and manufacturing, thus the reason why boards with sintered bases are always much more expensive than those with extruded. Back then, I used that knowledge to pick out boards. Even now with carbon stringers and glass weaves and all the exotic high tech core materials blah blah blah, I'm sure the base is still the most significant part of the overall cost. Now, I mostly ride extruded bases because I'm cheap and because I can repair it easily and cheaply on my own.

 

okay well thanks for all the knowledge.
i was about to order the horrorscope but i just wish it had a sintered base but it is a jib stick so obviously it would have an extruded.
my other option was the sierrascope with the sintered but its stiffer and i like me a noodle.

 

well back to my question, should i reconsider the board i want just cuz the base is extruded or say fuck it and get it anyway

 

Buy the board...these people are making you overthink this. You won't notice a difference.

 

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Sintered is faster. Extruded is cheaper. If you like to freeride, get a board with a sintered base. If you like to grind the snot out of boards on rails and the like, just get the extruded.

BTW, I've ptex'd gouges in both sintered and extruded bases. Works as well for either.