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Carbon Fiber Nylon Filament

Carbon Fiber Nylon Filament 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.

Flapen Score

55
Worth a look

Top 35% of 262 Industrial & Scientific niches · +3 vs the category median of 52

Market size 63Growth 20Conversion 62Competition 22Returns 92Price range 95Avg price 95Brand share 19Review moat 95Quality gap 73
This niche Category average · 262 niches

Is Carbon Fiber Nylon Filament profitable on Amazon?

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.

Carbon Fiber Nylon Filament: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -9.7% over the last 90 days and 5.5% of searches end in a purchase.

$576K

revenue / yr

Units sold / yr20K
Search volume / yr-9.7%269K
Conversion rate5.5%
Avg price$39.00

Who owns the niche?

The top 5 brands hold 92% of demand, so 8% of the market is open.

8%

open market share

Brands · sellers10 · 12
Top-5 product click share74%
Open market8%
Avg brand age43 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.

0/100

page quality · 16 products

Sponsored placement88%
New entrants (1y)4· 3 succeeded
Avg rating4.3★
Avg reviews92

Top Carbon Fiber Nylon Filament products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

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

$0$58K$115K$173K$230K1101001K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

10 falling

Sellers

12

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

74%

Top 20: 100%

Open market

6%

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

Carbon Fiber Nylon Filament demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume269KCVR5.5%Products16Brands10Top 5 Brands92%OOS Rate10.5%Rating4.3★Reviews92Avg BSR#205
9K7KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

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

Top Carbon Fiber Nylon Filament search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • pa6-cf filament37K/yr
  • pa6-cf40K/yr
  • pa6 cf20K/yr
  • paht-cf16K/yr
  • carbon fiber nylon filament18K/yr
  • paht-cf filament12K/yr
  • pa-cf filament9K/yr
  • pa cf filament9K/yr
  • pa6cf11K/yr
  • pa612-cf9K/yr

What reviews say buyers love and hate about Carbon Fiber Nylon Filament

What buyers mention most, as a share of all reviews.

What buyers love

80% of reviews
Quality-Overall21%

Excellent quality PA6-CF

Strength12%

Really strong

Value For Money11%

Excellent value

Material Quality11%

Strong material,

Adhesion/Stickiness8%

great layer adhesion

What buyers complain about

65% of reviews
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

Carbon Fiber Nylon Filament return rate & reasons

Why buyers send it back, as a share of all return requests.

1.1%

Return rate

17%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Print Quality
16%
2Functionality-Overall
14%
3Compatibility-Overall
10%
4Advertised Vs Actual Product
10%
5Defective Material/Parts
9%

Common Carbon Fiber Nylon Filament questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Carbon Fiber Nylon Filament 55/100 on Amazon United States — Worth a look. The niche generates $576K/yr across 16 tracked products. 3 of 4 products launched in the last 360 days are still selling. Search demand moved -9.7% over the last 90 days.
Search demand for Carbon Fiber Nylon Filament on Amazon United States peaks in Feb–Mar–Jun, where the busiest month runs 2.5× the quietest.