<![CDATA[SoliForum - 3D Printing Community — anyone know of a food safe filament?]]> https://www.soliforum.com/topic/269/anyone-know-of-a-food-safe-filament/ Fri, 14 Dec 2012 14:51:23 +0000 PunBB <![CDATA[Re: anyone know of a food safe filament?]]> https://www.soliforum.com/post/7132/#p7132 it should melt at between 176 and 260 degrees (melt for extrusion)

http://www.maropolymeronline.com/Proper … 20Prop.asp

should be able to be used right out the box.

Whether you can print on Kapton however is a different story, Nylon cannot be printed on Kapton, (will not stick), but it will stick to a cardboard bed...

Would be good to find out what HDPE prints like smile -it should be possible.

]]> Fri, 14 Dec 2012 14:51:23 +0000 https://www.soliforum.com/post/7132/#p7132 <![CDATA[Re: anyone know of a food safe filament?]]> https://www.soliforum.com/post/7103/#p7103 Does anyone have a design for a moonshine still??  Is such a thing illegal to distribute?  Is so, I don't have one.

]]> Fri, 14 Dec 2012 04:00:36 +0000 https://www.soliforum.com/post/7103/#p7103 <![CDATA[Re: anyone know of a food safe filament?]]> https://www.soliforum.com/post/7082/#p7082 Carpeting is made out of used soda pop bottles and that's leeching into the air you breath all day long. There is little out there these days that isn't made of some kind of plastic that isn't giving off some kind of toxin. Big issue is how much is it giving off? Some are extremely slow and need other chemicals or light to have issues. Research, research and research is about the only answer.

]]> Fri, 14 Dec 2012 00:44:00 +0000 https://www.soliforum.com/post/7082/#p7082 <![CDATA[Re: anyone know of a food safe filament?]]> https://www.soliforum.com/post/7069/#p7069 I'm interested in this topics as well, I have a few parts that will be exposed to alcohol so I want to make sure it is food safe.  Is it possible to coat the parts with some kind of food safe silicone or something like that?   With my setup these parts would never see any heat more than room temperature so high temperature is not a concern for me.

]]> Thu, 13 Dec 2012 21:38:42 +0000 https://www.soliforum.com/post/7069/#p7069 <![CDATA[Re: anyone know of a food safe filament?]]> https://www.soliforum.com/post/7064/#p7064 HDPE will require higher settings for heaton your setup i'm not even sure if the hot head is able to go quite high enough.

]]> Thu, 13 Dec 2012 19:37:40 +0000 https://www.soliforum.com/post/7064/#p7064 <![CDATA[Re: anyone know of a food safe filament?]]> https://www.soliforum.com/post/7050/#p7050 I haven't tried it but I've read that it warps far worse than ABS.

]]> Thu, 13 Dec 2012 17:14:50 +0000 https://www.soliforum.com/post/7050/#p7050 <![CDATA[Re: anyone know of a food safe filament?]]> https://www.soliforum.com/post/7044/#p7044 Exactly.

danny wrote:

HDPE is basically plastic milk carton.

if anyone has a filament making machine perhaps they can try extruding some into filament then run it through their machine and see what happens?

]]> Thu, 13 Dec 2012 16:36:33 +0000 https://www.soliforum.com/post/7044/#p7044 <![CDATA[Re: anyone know of a food safe filament?]]> https://www.soliforum.com/post/7024/#p7024 HDPE is basically plastic milk carton.

if anyone has a filament making machine perhaps they can try extruding some into filament then run it through their machine and see what happens?

]]> Thu, 13 Dec 2012 10:05:19 +0000 https://www.soliforum.com/post/7024/#p7024 <![CDATA[Re: anyone know of a food safe filament?]]> https://www.soliforum.com/post/7020/#p7020 Thanks all. I've decided to stay away from the microwave. Probably will still make some kitchen tools like an egg separater. Maybe I should ask my materials science professor before the semesters over.

]]> Thu, 13 Dec 2012 05:45:36 +0000 https://www.soliforum.com/post/7020/#p7020 <![CDATA[Re: anyone know of a food safe filament?]]> https://www.soliforum.com/post/2558/#p2558 Brad wrote:

You are correct Manx, if your going to be storing something for long term you should research carefully what materials are best.

But I have no problem making a cup out of abs for a drink or two smile

ABS is commonly used for foodware as it is. I just don't whatever leaches from it in me.

]]> Thu, 18 Oct 2012 14:33:59 +0000 https://www.soliforum.com/post/2558/#p2558 <![CDATA[Re: anyone know of a food safe filament?]]> https://www.soliforum.com/post/2495/#p2495 You are correct Manx, if your going to be storing something for long term you should research carefully what materials are best.

But I have no problem making a cup out of abs for a drink or two smile

]]> Thu, 18 Oct 2012 01:42:03 +0000 https://www.soliforum.com/post/2495/#p2495 <![CDATA[Re: anyone know of a food safe filament?]]> https://www.soliforum.com/post/2479/#p2479 Brad wrote:

PLA will also melt with hot liquids.

I don't know to what degree abs is food safe, but legos are made out of it and kids suck on legos all day... they must have researched the safety of it.


Hi brad I just saw your post. Never assume just because soemthign is sold that ti has been thoroughly researched for safety. ABS has been around since the late 1950s and infact legos have used it for about that long. However again its not recomended for things to be used for long term food storage as it can result in leachinfg of chemicals.

]]> Wed, 17 Oct 2012 22:05:21 +0000 https://www.soliforum.com/post/2479/#p2479 <![CDATA[Re: anyone know of a food safe filament?]]> https://www.soliforum.com/post/2436/#p2436 Manx wrote:

Brad each type of PLA has different chemical characteristics each type of filament could be different based on its production meathod.

this may help
http://www.healthychild.org/5steps/5_steps_5/

Other this is a catch-all category which includes:
PC (Polycarbonate): AVOID - can leach Bisphenol-A (BPA). It also includes ABS (Acrylonitrile Butadiene Styrene), SAN (Styrene Acrylonitrile), Acrylic, and Polyamide. These plastics can be a safer option because they are typically very durable and resistant to high heat resulting in less leaching. Their drawbacks are that they are not typically recyclable and some need additional safety research. New plant-based, biodegradable plastics like PLA (Polylactic Acid) also fall into the #7 category.

styrene is a carcinogene and its oen of the main producs in ABS

What a thorough treatment of the topic. It can be a bit difficult to explain this in so few words.

]]> Wed, 17 Oct 2012 20:43:50 +0000 https://www.soliforum.com/post/2436/#p2436 <![CDATA[Re: anyone know of a food safe filament?]]> https://www.soliforum.com/post/2026/#p2026 Doing further research there are only considered to be 3 food safe plastics

HDPE - High Density Polyethylene  melting point 248-266 f
LDPE - Low Density Polyethylene  melting point 248 f
PP - Polypropylene melting point 320-329 F

from another forum http://forums.reprap.org/read.php?1,31772,31789 it appears someone has used HDPE for printing

however according to http://reprap.org/wiki/Printing_Material_Suppliers HDPR and PP are only available except as a special order in the us

]]> Sat, 06 Oct 2012 06:52:53 +0000 https://www.soliforum.com/post/2026/#p2026 <![CDATA[Re: anyone know of a food safe filament?]]> https://www.soliforum.com/post/2017/#p2017 Brad each type of PLA has different chemical characteristics each type of filament could be different based on its production meathod.

this may help
http://www.healthychild.org/5steps/5_steps_5/

Other this is a catch-all category which includes:
PC (Polycarbonate): AVOID - can leach Bisphenol-A (BPA). It also includes ABS (Acrylonitrile Butadiene Styrene), SAN (Styrene Acrylonitrile), Acrylic, and Polyamide. These plastics can be a safer option because they are typically very durable and resistant to high heat resulting in less leaching. Their drawbacks are that they are not typically recyclable and some need additional safety research. New plant-based, biodegradable plastics like PLA (Polylactic Acid) also fall into the #7 category.

styrene is a carcinogene and its oen of the main producs in ABS

]]> Fri, 05 Oct 2012 19:06:06 +0000 https://www.soliforum.com/post/2017/#p2017