I stumbled across this company a few weeks ago: [www.rpyinhua.com]

They have several FDM type machines, as well as materials (even looks like they offer STL resins). The filament appears to be Stratasys diameter (1.75mm). I wondered if perhaps they might be an inexpensive source of filament for my FDM 1600, so I inquired about material specifications and pricing. I got a response today:

"ABS S301, ABS B601 and ABS B203 comparise mainly of pure ABS and other supplementary ingredient. ABS B601 and ABS B203 have melting point at temp. 245℃. ABS S301 has melting point at temp. 235 ℃

FOB Price if ABS S301, ABS B601 and ABS B203 are same: 160 USD/KG
Each cartridge include 2KGs materials"

(the S301 is a support material - I'm not sure what the actual material difference is between the B601 and B203)

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[haveblue.org]

Do they really mean "melting point"? Looks more like extrusion temperature, which is around twice the melting point.

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[www.hydraraptor.blogspot.com]

I'm sure they mean extrusion temperature in our parlance - they actually refer to the process as 'Melt Extrusion Modeling' (MEM) rather than FDM, so the very term 'melting' appears to be applied rather casually.

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[haveblue.org]