Hit-N-Miss Tom

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Can you suggest a plastic type that is "gasoline" resistive for items like a funnel, etc, ABS, PLA....? Would not be used to store gasoline, but for poring etc.
 

mcostello

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A suitable plastic for making parts immersed in Gasoline would be helpful to know about.
 

Mwags

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A suitable plastic for making parts immersed in Gasoline would be helpful to know about.
HDPE (High Density Polyethelene) would be suitable from a chemical resistance standpoint. Lacking knowledge of any further design/cost implications it would be my go to suggestion. GLTY
 

Plastiblocks

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Mwags

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I have a very old antique Coke machine that I'm turning into a Kegerator. I have made a wooden door and have about 1" between the door and the machine for insulation. I want to make a cover over the insulation out of ABS because I want to bend it. Also, I want to use some on the inside to match up with the door to make a tight seal. I'm looking at .125" or .187" to work with. My problem is that I will have to drive to Atlanta to get it so I'm thinking of getting some extra sheets to have as they aren't expensive. To have them shipped here would cost way more that the sheets. (4'X8') Anyone have an information that might be helpful before I jump into this. I was thinking of making a mold and using a heat gun to bend it. The door part would be one piece but the inside would have to be open to put the keg in. It would have a 4" or 6" side that would be slanted to shut the door.
Keep in mind that ABS is a Hydroscopic plastic, over time and depending on the humidity it will absorb water from the atmosphere. I'm assuming the 4 x 8 sheets you're considering are "warehouse stock" and therefore difficult to determine shelf time. If possible I would lean towards use of a nichrome wire as heat source for the bend line. A slow soaking type heat is what you want to minimize potential surface blistering from any moisture absorption. There are sheet extrusion Co.s that run several "reds" on a fairly regular basis (Grain patterns ?? IDK) you might see about asking to get some samples. Look at a Spartech/Royalite color No 2018 red GLTY
 

Tinker2

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What kind of plastics are used for firearm grips, ie; the plastic pistol grips and forearm grips on an Uzi? Or the backstrap on the Mac 10/11? Or the grip panels on the AMT 380?
 

Plastiblocks

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What kind of plastics are used for firearm grips, ie; the plastic pistol grips and forearm grips on an Uzi? Or the backstrap on the Mac 10/11? Or the grip panels on the AMT 380?

Plastic grips for firearms can easily be machined from PVC or ABS. Both are good choices.
PVC is often used for machining grips with intricate designs. The use of a flexible PVC to bond to areas of the grips to enhance handling and/or to further decorate the part. Interesting opportunities to do excellent inlay work are possible because PVC and ABS do not significantly absorb water, twist, shrink or deform over time as long as they were a machinable grade material initially. Not all ABS and PVC materials are the same.
Look for machinable stress relieved grades.
 

Tinker2

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Plastic grips for firearms can easily be machined from PVC or ABS. Both are good choices.
PVC is often used for machining grips with intricate designs. The use of a flexible PVC to bond to areas of the grips to enhance handling and/or to further decorate the part. Interesting opportunities to do excellent inlay work are possible because PVC and ABS do not significantly absorb water, twist, shrink or deform over time as long as they were a machinable grade material initially. Not all ABS and PVC materials are the same.
Look for machinable stress relieved grades.

Thank you sir. Would the ABS blocks you sell on your website be suitable for this purpose [ie; machineable stress relieved grade]?
 
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