High Density Stainless Steel-filled HTPLA
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From Protoplant, makers of Protopasta
- 70wt% 400-series stainless steel for the most magnetic HTPLA 3D prints
- 3x the temperature resistance (when heat treated) compared to PLA-based metal filaments
- Ferromagnetic 400-series stainless steel is magnetic
- Creates a matte, cast-metal finish as printed
- Can be brushed, sanded, or polished for a real metal finish
- Featured in September 2025's Endless Exploration Subscription Delivery
- Sizes
- 1.75mm / 100g Coil
- Returns
- Returns and replacements accepted at ProtoPlant's discretion within 90 days of purchase; only sealed product can be returned; shipping for exchange or refund is
- Shipping
- Domestic shipping within the United States via UPS, including free shipping on qualifying orders; international shipping via DHL Express.
About the High Density Stainless Steel-filled HTPLA
Most magnetic + heat resistant!
High Density Stainless Steel HTPLA Filament has 70wt% 400-series stainless steel for the most magnetic HTPLA 3D prints and 3x the temperature resistance (when heat treated) compared to PLA-based metal filaments.
Protopasta Stainless Steel HTPLA is ferromagnetic . Yes, 400-series stainless steel is magnetic! Encapsulated in plastic, the steel powder creates a matte, cast-metal finish as printed, but can be brushed, sanded, or polished for a real metal finish.
Featured in September 2025's Endless Exploration Subscription Delivery. More about the contents in our EX10 blog . You can also visit our blog for more about metal finishing and heat treating .
What buyers say
- Very magnetic
- Printed perfect first try on two different machines
- Polishes up beautifully and is strong
- Layer adhesion is fantastic with barely any stringing
- Great weight and absolute tank status
- Shipping was surprisingly fast, even across the country
- Minor string blobs requiring retraction to be dialed back
- Full spool is expensive
Specifications
- material composition
- 70wt% 400-series stainless steel
Questions and answers
- What do buyers say about the High Density Stainless Steel-filled HTPLA?
- Rated 4.6 out of 5 from 8 ratings. Buyers like: Very magnetic; Printed perfect first try on two different machines; Polishes up beautifully and is strong. Common complaints: Minor string blobs requiring retraction to be dialed back; Full spool is expensive.
