Materials: Term Used to Describe a Characteristic of Rubber?
November 4, 2019 11:35 AM Subscribe
My searches have not yielded a good result. Does anyone know the term used to describe the clinginess or stickiness or perhaps grippiness of rubber or rubber-like materials? Examples of products that exhibit of lot of clinginess are those rubber pads for car dashboards that cling to cell phones or adhesive rubber dots used to keep artwork straight on walls, etc.
One term that I have encountered is "hysterisis" but that doesn't seem to cover it or is not used by vendors of rubber products.
The end goal is to be able to find a supplier of rubber that I can use to fabricate a product prototype and I'd like to be able to have the correct term for the grippy characteristic.
One term that I have encountered is "hysterisis" but that doesn't seem to cover it or is not used by vendors of rubber products.
The end goal is to be able to find a supplier of rubber that I can use to fabricate a product prototype and I'd like to be able to have the correct term for the grippy characteristic.
I don't know of the specific terms used, but it may help your searching to know that those sticky pads are generally silicone (and I've usually seen them referred to as "silicone gel")
posted by duien at 11:41 AM on November 4, 2019 [1 favorite]
posted by duien at 11:41 AM on November 4, 2019 [1 favorite]
Response by poster: It is the specific term for rubber that I am looking for.
posted by bz at 11:42 AM on November 4, 2019
posted by bz at 11:42 AM on November 4, 2019
High friction or high traction. Searching /high friction rubber/ on google shopping turns of lots of relevant hits, eg this stuff from
3M.
posted by SaltySalticid at 11:48 AM on November 4, 2019 [2 favorites]
3M.
posted by SaltySalticid at 11:48 AM on November 4, 2019 [2 favorites]
Best answer: This is static friction; it is characterized by the coefficient of static friction µ_s.
posted by mr_roboto at 11:54 AM on November 4, 2019 [4 favorites]
posted by mr_roboto at 11:54 AM on November 4, 2019 [4 favorites]
Best answer: This is static friction; it is characterized by the coefficient of static friction µ_s.
Echoing this, I think you need the coefficient of friction. It's an empirically derived constant and it's different for static and dynamic situations (it normally requires more force to start an object moving across a surface than to continue the movement).
posted by chappell, ambrose at 11:57 AM on November 4, 2019 [1 favorite]
Echoing this, I think you need the coefficient of friction. It's an empirically derived constant and it's different for static and dynamic situations (it normally requires more force to start an object moving across a surface than to continue the movement).
posted by chappell, ambrose at 11:57 AM on November 4, 2019 [1 favorite]
Response by poster: THAT'S IT! Static or contact friction. Thank you!
posted by bz at 11:58 AM on November 4, 2019
posted by bz at 11:58 AM on November 4, 2019
I thought that static friction had to do with sliding force; the OP (with apologies to the OP if I've got it wrong) seems to be talking about contact adhesion/temporary adhesion/temporary bonding/peel strength/grip/tack.
Your best bet is to find 3M products that match what you're looking for and read the technical data sheets, since they'll have the technical terms you need. As an example, here's one (PDF) for 3M's repositionable tapes, found via a Google search that led me to the product page for one of those tapes.
posted by clawsoon at 1:56 PM on November 4, 2019
Your best bet is to find 3M products that match what you're looking for and read the technical data sheets, since they'll have the technical terms you need. As an example, here's one (PDF) for 3M's repositionable tapes, found via a Google search that led me to the product page for one of those tapes.
posted by clawsoon at 1:56 PM on November 4, 2019
Here is a discussion of tack, peel and shear with latex/rubber.
posted by clawsoon at 2:25 PM on November 4, 2019 [2 favorites]
posted by clawsoon at 2:25 PM on November 4, 2019 [2 favorites]
...based on that, I'm guessing you want high tack, high shear, and low peel.
posted by clawsoon at 2:28 PM on November 4, 2019 [1 favorite]
posted by clawsoon at 2:28 PM on November 4, 2019 [1 favorite]
Durometer could be related. Items such as skate and rollerskate wheels are tagged by durometer to indicate thier hardness and therefore, grip on a surface.
posted by blaneyphoto at 10:03 PM on November 4, 2019 [1 favorite]
posted by blaneyphoto at 10:03 PM on November 4, 2019 [1 favorite]
To decide between static friction and adhesion (tack+shear+peel), ask yourself what you want to have happen if you use the substance on a vertical surface like a wall.
If you are depending on static friction, the substance will slide down the wall, since the normal force is zero.
If you are depending on adhesion, the substance will stick to the wall and not slide down.
posted by clawsoon at 6:33 PM on November 5, 2019
If you are depending on static friction, the substance will slide down the wall, since the normal force is zero.
If you are depending on adhesion, the substance will stick to the wall and not slide down.
posted by clawsoon at 6:33 PM on November 5, 2019
This thread is closed to new comments.
posted by any portmanteau in a storm at 11:40 AM on November 4, 2019 [5 favorites]