Skip to content
56

ラッカーシンナー 16l

Worth a look

Shows beatable incumbent ratings (3.5★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 97Growth 0Conversion 41Competition 55Returns 100Price range 0Avg price 0Brand share 40Review moat 99Quality gap 100

Quality gap

Incredible3.5★

avg incumbent rating — lower means beatable quality

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Review moat

Incredible23.18

avg incumbent reviews — the moat a new listing must climb

Market size

Incredible¥4.6M

¥4.6M/yr · 17K searches

Competition

Good52%

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

Conversion

Okay3.3%

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

Brand share

Okay81%

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

Growth

Bad-61.7%

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

Avg price

Bad¥8357.99

avg listing price — sweet spot $15–$100

Price range

Bad¥1276.41–¥14446.31

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

According to Flapen's Amazon Japan niche tracking, ラッカーシンナー 16l is a ¥4.6M/yr Amazon Japan market (17K searches/yr). The top 5 brands hold 81% of demand. Verdict: Worth a look — 56/100.

Data updated Jul 30, 2026 · scored weekly · How we score niches

ラッカーシンナー 16l market data

Units sold / yr
500–750
avg 0–100/product
Revenue / yr
¥4.2M–¥6.3M
units × avg price
Conversion rate
3.3%
Avg BSR
#203
Page quality
0%
Prime
0%
Sponsored
50%
Out of stock
40.3%
Avg brand age
69 months
Avg seller age
164 days

Competition & brand share

The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.

Brands

10 rising

Sellers

28

Top-5 brand share

81%

Top 20: 100%

Top-5 click share

52%

Top 20: 99%

Open market

12%

  • sankyo chem29%
  • PROST‘s20%
  • ルーカスギター(Lucas Guitar)15%
  • TAKARATORYO9%
  • S SANIS7%
  • ユニオンペイント7%
  • Open — no brand owns it (4 brands, 12%)

Demand

Weekly Amazon search volume, last 13 weeks — -61.7% search growth over the last 90 days.
600400Spike '26May '26May '26May '26Jun '26Jun '26Jul '26Jul '26

Top ラッカーシンナー 16l 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%¥229K10%¥458K15%¥688K20%¥917K1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)3 products missing review or click data not plotted

All 22 tracked products in this niche — three views at once, no toggling.

What buyers say about ラッカーシンナー 16l

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

What buyers love

コストパフォーマンス28%

“コスパ良い”

清掃の容易さ21%

“筆洗い、容器に遠慮なく使えるので助かります。”

総合品質13%

“信頼のメーカーです”

使用の容易さ13%

“用途は色々使えます。”

クレンジング8%

“洗浄用 ラッカーシンナー 500ml うすめ液 業務用 超強力 を購入しましたが中身が半分しか入っていませんでした。”

広告と実際の製品の違い4%

“掲載写真とおりの品でした。”

無汚染3%

“犬を飼っているので消毒、除菌に助かります”

What buyers complain about

コストパフォーマンス41%

“価格も高め”

匂い17%

“臭いがあまり気にならなかった”

総合品質9%

“安い”

用量6%

“500ml入ってないです。”

漏れ防止5%

“中身が漏れて異臭がしていました”

機能全体4%

“塗料の希釈としては使えませんでした。”

潤滑2%

“洗浄力弱い”

重い2%

“クロネコさん重たいですが丁寧な扱いを求めます”

清掃の容易さ2%

“道具洗いならそこそこ取れるが用途に合わず、匂いもラッカーシンナーと違いました。”

ペイントの品質2%

“塗料の希釈としては使えませんでした。”

Common questions

Is ラッカーシンナー 16l profitable to sell on Amazon Japan?
The niche generates ¥4.6M/yr across 22 tracked products. 11 of 13 products launched in the last 360 days are still selling. 90-day search growth is -61.7%. Flapen's verdict: Worth a look (56/100).
How competitive is the ラッカーシンナー 16l niche?
10 brands and 28 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 81% of demand.
What do buyers complain about in ラッカーシンナー 16l?
Top complaints mined from reviews: コストパフォーマンス, 匂い, 総合品質. The return rate is 0.0%.
What does it cost to enter the ラッカーシンナー 16l niche?
Listings span ¥1276.41–¥14446.31; the average listing price is ¥8357.99 (sweet spot $15–$100). The average incumbent carries 23 reviews — the moat a new listing must climb.