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carbon filament

Skip it

Soft demand (-30.2% this quarter) — this niche doesn't clear our bar today.

Market size 14Growth 10Conversion 55Competition 50Returns 98Price range 81Avg price 83Brand share 31Review moat 55Quality gap 33

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Avg price

Great€18.32

avg listing price — sweet spot $15–$100

Price range

Great€10.08–€37.87

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

Conversion

Good4.6%

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

Review moat

Good1,290.78

avg incumbent reviews — the moat a new listing must climb

Competition

Okay55%

top-5 click share — leaders hold, buyers still browse

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay86%

top-5 brand share — brands hold most of the demand

Market size

Bad€54K

€55K/yr · 65K searches

Growth

Bad-30.2%

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

According to Flapen's Amazon Germany niche tracking, carbon filament is a €55K/yr Amazon Germany market (65K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Nov. Verdict: Skip it — 44/100.

Data updated Jul 13, 2026 · scored weekly · How we score niches

carbon filament market data

Units sold / yr
3K–3K
avg 100–250/product
Revenue / yr
€46K–€55K
units × avg price
Conversion rate
4.6%
Avg BSR
#145
Page quality
0%
Prime
91%
Sponsored
78%
Out of stock
7.7%
Avg brand age
43 months
Avg seller age
242 days

Competition & brand share

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

Brands

10 rising

Sellers

19

Top-5 brand share

86%

Top 20: 100%

Top-5 click share

55%

Top 20: 97%

Open market

9%

  • eSUN48%
  • TINMORRY16%
  • Creality10%
  • ERYONE6%
  • iSANMATE5%
  • SUNLU5%
  • Open — no brand owns it (4 brands, 9%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -30.2% search growth over the last 90 days.
4K3KPrime Day '24Spike '24Black Friday '24Prime Day '25Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Nov · busiest ÷ quietest = 2.4×

Top carbon filament search terms

  • pla cf28K/yr
  • carbon filament10K/yr
  • filament cf5K/yr
  • filament carbon6K/yr
  • cf filament5K/yr
  • pla cf filament 1.755K/yr
  • pla-cf4K/yr
  • pla carbon2K/yr
All search terms

Top carbon 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.

0%5%€3K10%€5K15%€8K20%€11K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 23 tracked products in this niche — three views at once, no toggling.

What buyers say about carbon filament

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

What buyers love

Druckqualität26%

“Druckt hervorragend”

Qualität insgesamt13%

“Absolutes Produkt”

Materialqualität13%

“Material lässt sich wunderbar auf mein Bambu mit den Standard Bambu PET-G Einstellung verarbeiten”

Preis-Leistungs-Verhältnis7%

“Super Preis/Leistung”

Stärke6%

“stabile Ergebnisse mit entsprechender Flexibilität.”

Haftung/Klebrigkeit6%

“die Layer haften gut”

Benutzerfreundlichkeit4%

“Absolut einfaches und simple zu druckendes PLA Filament”

Farbe4%

“blau heller wie dargestellt”

Effizienz3%

“Working well”

Gesamtgröße2%

“der Durchmesser stimmt”

What buyers complain about

Verklemmen/Verstopfen12%

“hatte ständig Probleme mit Clogging und unsauberen Drucken”

Seil-/Drahtverhedderung9%

“Leider war bei meinem Exemplar die Wicklung aber unfassbar schlecht”

Druckqualität8%

“Schnelle Lieferung leider noch nicht damit gedruckt”

Materialqualität7%

“Wenn es wie normales Pla gedruckt wird ist das Material sehr brüchig”

Funktionalität insgesamt5%

“Nur dieses hält nicht”

Feucht/Trocken3%

“Schade um die 12Std trockenzeit”

Dicke3%

“an einigen Stellen kann man mit bloßem Auge sehen dass das Filament zu dünn ist,”

Preis-Leistungs-Verhältnis3%

“Etwas zu teuer”

Farbe3%

“DARK Grey nicht Dark”

Stärke3%

“nicht stabil”

Top return reasons

Farbe21%
Kompatibilität – insgesamt15%
Materialqualität8%
Funktionalität insgesamt7%
Qualität insgesamt6%
Preis-Leistungs-Verhältnis6%
Gesamtgröße6%
Defekt Material/Teile5%
Druckqualität5%
Stärke3%

Common questions

Is carbon filament profitable to sell on Amazon Germany?
The niche generates €55K/yr across 23 tracked products. 1 of 5 products launched in the last 360 days are still selling. 90-day search growth is -30.2%. Flapen's verdict: Skip it (44/100).
How competitive is the carbon filament niche?
10 brands and 19 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 86% of demand.
What do buyers complain about in carbon filament?
Top complaints mined from reviews: Verklemmen/Verstopfen, Seil-/Drahtverhedderung, Druckqualität. The return rate is 0.4%.
When does demand for carbon filament peak?
Demand peaks in Nov; the busiest month runs 2.4× the quietest.
What does it cost to enter the carbon filament niche?
Listings span €10.08–€37.87; the average listing price is €18.32 (sweet spot $15–$100). The average incumbent carries 1,291 reviews — the moat a new listing must climb.