Polymaker Nylon Filament 1.75mm CoPA Black - Strong, Warp-Free

In this review the Polymaker PolyMide CoPA Nylon 1.75mm filament is evaluated for engineers and makers who need tough, heat resistant functional parts. The bottom line: it is a strong, low-warp nylon that prints reliably for mechanical components, with the single biggest reason to buy being its combination of exceptional mechanical strength and exceptional dimensional stability during printing. Review observations are based on material behavior, printability and customer feedback about strength and warping.

Key Features

• Strength and Toughness: The CoPA blend of Nylon 6 and Nylon 6,6 provides high mechanical strength and toughness suitable for load-bearing engineering parts.
• Warp-Free Stability: Formulated to minimize warping, it delivers consistent dimensional stability across medium and large prints for reliable results.
• Simplified Printing: Compatible with most filament printers, it prints without a heated chamber or special bed setup for easier integration into an existing workflow.
• Heat Resistance: With a Vicat softening temperature around 180C, the filament holds up in high-temperature applications such as gears and connectors.
• Packaging and Handling: The spool arrives dried, vacuum sealed with desiccant and designed to be tangle-free, reducing filament storage and feed issues.

Who It's For

This filament is aimed at hobbyists, designers and small engineering shops that need durable functional parts like brackets, gears and pipe connectors that must resist heat and mechanical stress. Its ease of use and reduced warping make it attractive for users who want nylon performance without complex environmental controls.

Those who should look elsewhere include absolute beginners seeking the cheapest filament option and users who require ultrafine cosmetic surface finish as their primary goal; specialized nylons or composites may be better for extreme chemical resistance or glossy aesthetics.

Pros & Cons

Pros

• Excellent mechanical strength and toughness for functional, load-bearing parts.
• Very low warping and strong dimensional stability during printing.
• High heat resistance with a Vicat softening temperature near 180C for hot-use parts.
• Thoughtful packaging: dried, vacuum sealed with desiccant and wound to avoid tangles.

Cons

• Higher cost than basic filaments, so it may feel expensive for non-critical prints.
• As a technical nylon it may still require some tuning for optimal adhesion on specific beds.

Specifications

Material	PolyMide CoPA (Nylon 6 / Nylon 6,6 blend)
Diameter	1.75mm
Weight	0.75kg spool
Color	Black
Vicat softening temperature	About 180C
Print requirements	No heated chamber required; compatible with most filament printers
Packaging	Dried, vacuum sealed with desiccant and resealable bag

Our Verdict

Polymaker PolyMide CoPA nylon filament is a solid choice for users who need functional, heat resistant parts with minimal warping. It justifies its premium price when used for mechanical components and prototypes where strength and dimensional stability matter, and its packaging and ease of printing reduce common nylon handling headaches.

Frequently Asked Questions

Do I need a heated chamber to print this nylon?
No, the formulation is designed to print without a heated chamber and remains compatible with most filament printers.

How is moisture handled for storage?
The spool is dried and vacuum sealed with desiccant and includes a resealable bag to maintain dryness between prints.

Is this filament suitable for gears and brackets?
Yes, its blend and 180C Vicat softening temperature make it suitable for demanding mechanical parts such as gears and brackets.