The title specifies 1.65 lbs. of material and the product description information specs say 2.55 lbs. So how much is being sold?

This material is very light. You are getting a full roll. The parts for casting are light also. I love this stuff. Having used over 50 or more rolls. Likes to drip so don't go too slow. I print at between 60 and 70 mm second. Heat the bed to about 60 C. . Have not had a nozzle blocked in months. Easy to get a first layer. Burns out 100% . Where you really need a clean burnout is in small tight areas. Heat it up to about 1200 F for a few hours. But first turn upside down at 600 F or so and let it drain out. It will drip out the bottom and burn. When you turn up and heat to 1200 it will vaporize the little that left. REX

What is the melt out temperature?

Upside down at 600 F until it drips and stops burning and turn up and burn out at 1200 F for a few hours.

Would this work with a prusa3d printer?

Yes, used it in a prusa i3 mk3s with no issues. Prints very well

How is the odor during burnout? i tried a burnout with a random pla, but the odor was so bad it took several days to air out my shop.

This stuff has very little extra added to it. This will help it burn cleaner. If I put some scrap of pla in a vase and burn it--- There will be junk at bottom of vase. Repeat with this product and nothing will be at bottom. 100% clean mostly. This stuff melts at around 500 degrees F. So turn mold upside down and let drip out bottom first. It will drip and will burn as soon as it hits air. Turn back up and heat to 1200 degrees or so and get the little that's left. I have a electric oven. I push it outside for the first 30 minutes as it will smoke.

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🔥 Cast your future flawlessly with PolyCast!

SURFACE PERFECTION - Polymaker’s Layer-Free tech ensures ultra-smooth prints, minimizing post-processing.
TANGLE FREE FRESH - Vacuum-sealed with desiccant and smart spool design to keep filament pristine.
PLUG PLAY PRINTING - Works seamlessly with any FDM/FFF 3D printer for hassle-free setup.
CUT LEAD TIMES NOT CORNERS - Eliminate costly tooling with direct 3D printed investment patterns.
FLAWLESS CASTING EVERY TIME - Burns out cleanly with zero residue for defect-free metal parts.

Polymaker PolyCast is a 1.75mm, 0.75kg 3D printing filament engineered for investment casting. It offers clean burnout with no ash residue, superior surface finish via Layer-Free technology, and broad compatibility with FDM/FFF printers. Vacuum-sealed and tangle-resistant, it streamlines lost wax casting by cutting costs and lead times while delivering precision metal parts.

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Manufacturer	Polymaker
Brand	POLYMAKER
Item Weight	1.65 pounds
Product Dimensions	7.87 x 7.87 x 1.77 inches
Item model number	PJ03001
Color	125 - 1.75mm Natural (Hex Code: #E9dfd3)
Material Type	Polyvinyl Butyral
Number of Items	1
Size	0.75kg
Manufacturer Part Number	PJ03001

Polymaker PolyCast Filament 1.75mm for Investment Casting 0.75kg, 3D Printing Filament for Lost Wax Investment Casting, Similar to Wax Filament for Metal Casting Plaster Cleanly Burn Out

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