dekasyl
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Avg price
Great€19.13avg listing price — sweet spot $15–$100
Growth
Great+83.4%90-day search growth — must beat 0% to launch
Conversion
Great8.6%search→purchase rate — share of searches ending in a sale
Price range
Great€8.23–€35.99cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay€128K€128K/yr · 78K searches
Review moat
Okay3,569.33avg incumbent reviews — the moat a new listing must climb
Competition
Bad76%top-5 click share — a locked-up shelf
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon Germany niche tracking, dekasyl is a €128K/yr Amazon Germany market (78K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in May–Jul–Aug. Verdict: Skip it — 49/100.
Data updated Jul 6, 2026 · scored weekly · How we score niches
dekasyl market data
- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- €115K–€153K
- units × avg price
- Conversion rate
- 8.6%
- Avg BSR
- #24
- Page quality
- 0%
- Prime
- 75%
- Sponsored
- 75%
- Out of stock
- 0.0%
- Avg brand age
- 52 months
- Avg seller age
- 178 days
Competition & brand share
The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.Brands
3 falling
Sellers
45
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
76%
Top 20: 100%
Open market
0%
- Dekalin79%
- SIKA16%
- Dekaseal 89365%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +83.4% search growth over the last 90 days.Peak months: May, Jul, Aug · busiest ÷ quietest = 4.6×
Top dekasyl search terms
- dekaseal 893629K/yr
- dekalin15K/yr
- dekaseal11K/yr
- dekalin dekaseal 89367K/yr
- dekalin dekaseal 8936 weiß4K/yr
- dekasyl5K/yr
- dekasil dichtstoff 8936 weiß4K/yr
- dekasil2K/yr
- dekalin 89362K/yr
Top dekasyl 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.
All 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Dekalin L0906G DekaSeal 8936 - lichtgrau
Dekalin€15.804.8★1,017 rev
Dekalin Dichtstoff Dekaseal 8936 310ml Anthrazit für Rahmen Abläufe oder Wohnwagen und Wohnmobil Luken
Dekalin€16.504.8★648 rev
Dekalin Dekaseal 8936 Dichtstoff Doppelpack hellgrau für Rahmen Abläufe oder Wohnwagen und Wohnmobil Luken
Dekalin€33.574.8★331 rev
Dekalin Dichtmasse Dekaseal 8936 haftstarker Kleb- und Dichtstoff 310ml
Dekalin€15.504.8★1,017 rev
Sika Dichtstoff Sikaflex-522 Weiß ideal für Fugen innen und außen UV-stabil und witterungsbeständig gute Haftung -300 ml
SIKA€8.234.7★19,087 rev
Newest
by launch date
SIKA - Butyldichtstoff - SikaLastomer-514 grau - abtupfbare Dichtmasse für wiederlösbare Abdichtungen - dauerklebrig und elastisch - 310 ml
SIKA€12.91281 rev
Sika Dichtstoff Sikaflex-522 schwarz ideal für Fugen innen und außen UV-stabil und witterungsbeständig gute Haftung -300 ml
SIKA€8.2519,087 rev
Sika Dichtstoff Sikaflex-522 Weiß ideal für Fugen innen und außen UV-stabil und witterungsbeständig gute Haftung -300 ml
SIKA€8.2319,087 rev
Dekalin Dekaseal 8936 hellgrau
Dekaseal 8936€14.39273 rev
2x Dekalin Dichtmasse Dekaseal 8936 haftstarker Kleb- und Dichtstoff 310ml schwarz 2 x 310 ml
Dekalin€35.99146 rev
Trending
90-day click momentumDekalin Dekaseal 8936 hellgrau
Dekaseal 8936€14.394.7★
Dekalin Dichtmasse Dekaseal 8936 haftstarker Kleb- und Dichtstoff 310ml
Dekalin€15.504.8★
Dekalin 101 08917 - MS-1 DEKasyl MS-1 Kartusche weiß 290ml
Dekalin€15.094.7★
Dekalin Dekaseal 8936 Dichtstoff Doppelpack hellgrau für Rahmen Abläufe oder Wohnwagen und Wohnmobil Luken
Dekalin€33.574.8★
Dekalin L0903W DEKAsyl MS-5 290 ml weiß
Dekalin€18.004.8★
What buyers say about dekasyl
What buyers praise and complain about, mined from review topics.What buyers love
“Super Produkt”
“Flexible Dichtmasse”
“Hält was es verspricht”
“Preislich fair”
“Top Material für den Camper Ausbau, schnelle Lieferung”
“Eine der besten Dichtungsmassen die es gibt”
“War recht einfach in der Handhabung”
“Lässt sich gut verarbeiten”
“Passt”
“Lässt sich sehr gut verarbeiten”
What buyers complain about
“Nicht sehr kundenfreundlich bei einem so hochpreisigen Produkt”
“Abdichtung”
“Produkt Beschreibung verwirrend”
“kann man garnicht alles benutzen, da die Hälfte nach hinten raus kommt”
Top return reasons
Common questions
- Is dekasyl profitable to sell on Amazon Germany?
- The niche generates €128K/yr across 12 tracked products. 90-day search growth is +83.4%. Flapen's verdict: Skip it (49/100).
- How competitive is the dekasyl niche?
- 3 brands and 45 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in dekasyl?
- Top complaints mined from reviews: Preis-Leistungs-Verhältnis, Filterung, beworben Vs Tatsächliches Produkt. The return rate is 0.5%.
- When does demand for dekasyl peak?
- Demand peaks in May–Jul–Aug; the busiest month runs 4.6× the quietest.
- What does it cost to enter the dekasyl niche?
- Listings span €8.23–€35.99; the average listing price is €19.13 (sweet spot $15–$100). The average incumbent carries 3,569 reviews — the moat a new listing must climb.