Is carbon fiber nylon filament profitable to sell on Amazon United States?

The niche generates $576K/yr across 16 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is -9.7%. Flapen's verdict: Worth a look (55/100).

How competitive is the carbon fiber nylon filament niche?

10 brands and 12 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 92% of demand.

What do buyers complain about in carbon fiber nylon filament?

Top complaints mined from reviews: Print Quality, Strength, Heating. The return rate is 1.1%.

When does demand for carbon fiber nylon filament peak?

Demand peaks in Feb–Mar–Jun; the busiest month runs 2.5× the quietest.

What does it cost to enter the carbon fiber nylon filament niche?

Listings span $21.72–$62.68; the average listing price is $39.00 (sweet spot $15–$100). The average incumbent carries 92 reviews — the moat a new listing must climb.

carbon fiber nylon filament

Worth a look

Shows a thin review moat (92 avg reviews), but brand-locked demand (top 5 brands take 92% of clicks) keeps it on the watch list.

Review moat

Incredible92.06

avg incumbent reviews — the moat a new listing must climb

Avg price

Incredible$39.00

avg listing price — sweet spot $15–$100

Price range

Incredible$21.72–$62.68

cheapest to priciest tracked listing — scored on the share inside $15–$100

Returns

Great1.1%

return rate — above 5% kills the launch gate

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Market size

Good$576K

$576K/yr · 269K searches

Conversion

Good5.5%

search→purchase rate — share of searches ending in a sale

Competition

Bad74%

top-5 click share — a locked-up shelf

Growth

Bad-9.7%

90-day search growth — must beat 0% to launch

Brand share

Bad92%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, carbon fiber nylon filament is a $576K/yr Amazon United States market (269K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Feb–Mar–Jun. Verdict: Worth a look — 55/100.

Data updated Aug 6, 2026 · scored weekly · How we score niches

carbon fiber nylon filament market data

Units sold / yr: 15K–20K; avg 1,500–2,000/product
Revenue / yr: $585K–$780K; units × avg price
Conversion rate: 5.5%
Avg BSR: #205
Page quality: 0%
Prime: 100%
Sponsored: 88%
Out of stock: 10.5%
Avg brand age: 43 months
Avg seller age: 158 days

Competition & brand share

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 falling

Sellers

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

74%

Top 20: 100%

Open market

Polymaker46%
SUNLU24%
ELEGOO14%
yxpolyer5%
Creality4%
YOOPAI2%
Open — no brand owns it (4 brands, 6%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -9.7% search growth over the last 90 days.

Peak months: Feb, Mar, Jun · busiest ÷ quietest = 2.5×

Open Trend

Top carbon fiber nylon filament search terms

pa6-cf filament37K/yr -13.0%6.0% conv.
pa6-cf40K/yr -12.3%5.9% conv.
pa6 cf20K/yr -19.7%4.0% conv.
paht-cf16K/yr +14.5%4.9% conv.
carbon fiber nylon filament18K/yr -3.0%3.4% conv.
paht-cf filament12K/yr -1.8%5.1% conv.
pa-cf filament9K/yr +18.0%3.6% conv.
pa cf filament9K/yr +13.6%3.5% conv.
pa6cf11K/yr -20.1%5.3% conv.
pa612-cf9K/yr -9.7%6.8% conv.

All search terms

Top carbon fiber nylon filament products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 16 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Polymaker Fiberon PA6-CF20 Filament Black 1.75mm 0.5KG

Polymaker$38.164.8★190 rev

Polymaker Fiberon PA612-CF15 Filament Black 1.75mm 0.5KG

Polymaker$33.464.6★251 rev

SUNLU PA6-CF 20% Carbon Fiber Nylon 1.75mm 3D Printing Filament Black 1KG

SUNLU$38.474.2★309 rev

ELEGOO Carbon Fiber PAHT Filament 1.75mm Black 1KG Nylon CF High Temp 3D Printing Filament High Strength & Rigidity Corrosion Resistance 1KG(2.2lbs) Spool for Enclosed FDM 3D Printers

ELEGOO$39.574.4★96 rev

SUNLU Nylon PA6-CF 3D Printer Filament 1.75mm Black

SUNLU$39.503.9★19 rev

Newest

by launch date

Polymaker Fiberon PA6-CF20 Filament Black 1.75mm 1KG

Polymaker$62.689 rev

6mo ago

Polymaker Fiberon PA612-CF15 Filament Black 1.75mm 1KG

Polymaker$56.715 rev

6mo ago

Inslogic PA6-CF20 Carbon Fiber Nylon Filament 1.75mm Black 0.5kg Spool 20% Carbon Fiber Reinforced PA6 Filament Low Warp & Wear Resistant for Functional Parts & Industrial Tools

YOOPAI$33.3346 rev

7mo ago

SUNLU Nylon PA6-CF 3D Printer Filament 1.75mm Black

SUNLU$39.5019 rev

9mo ago

Creality Hyper PA6-CF Carbon Fiber Nylon Filament 1.75mm 1KG 3D Printing Material Halloween Gifts with Engineering-Grade Strength Heat Resistant Low Warp for Functional Prototypes&Industrial Parts

Creality$48.6018 rev

1y ago

What buyers say about carbon fiber nylon filament

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall21%

“Excellent quality PA6-CF”

Strength12%

“Really strong”

Value For Money11%

“Excellent value”

Material Quality11%

“Strong material,”

Adhesion/Stickiness8%

“great layer adhesion”

Durability6%

“It is JUST as durable as the Fiberon PA-6c”

Advertised Vs Actual Product3%

“Much better than I expected”

Ease Of Use3%

“was easy to clear”

Color3%

“The color is gorgeous”

Functionality-Overall2%

“Good Product works well”

What buyers complain about

Print Quality17%

“Extremely brittle to mess with before printing”

Strength10%

“not strong at all”

Heating8%

“it gets very hot”

Value For Money7%

“Not the cheapest”

Quality-Overall6%

“Poor quality filament”

Adhesion/Stickiness4%

“The layer adhesion is terrible on this”

Flexibility3%

“very little flexibility. if that's what you are looking for”

Ease Of Use3%

“be aware that this is not the easiest filament to print with as it is very hard”

Material Quality3%

“Feels like cast aluminum”

Durability3%

“failed at hour 10”

Top return reasons

Print Quality16%

Functionality-Overall14%

Compatibility-Overall10%

Advertised Vs Actual Product10%

Defective Material/Parts9%

Material Quality6%

Strength6%

Value For Money6%

Size-Overall5%

Product Condition4%

Common questions

Is carbon fiber nylon filament profitable to sell on Amazon United States?: The niche generates $576K/yr across 16 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is -9.7%. Flapen's verdict: Worth a look (55/100).
How competitive is the carbon fiber nylon filament niche?: 10 brands and 12 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 92% of demand.
What do buyers complain about in carbon fiber nylon filament?: Top complaints mined from reviews: Print Quality, Strength, Heating. The return rate is 1.1%.
When does demand for carbon fiber nylon filament peak?: Demand peaks in Feb–Mar–Jun; the busiest month runs 2.5× the quietest.
What does it cost to enter the carbon fiber nylon filament niche?: Listings span $21.72–$62.68; the average listing price is $39.00 (sweet spot $15–$100). The average incumbent carries 92 reviews — the moat a new listing must climb.