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polyester primer

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 6Growth 25Conversion 20Competition 24Returns 100Price range 54Avg price 72Brand share 0Review moat 73Quality gap 57

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Review moat

Good570.93

avg incumbent reviews — the moat a new listing must climb

Avg price

Good$110.37

avg listing price — sweet spot $15–$100

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Price range

Good$8.00–$165.39

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

Growth

Okay+0.0%

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

Competition

Bad71%

top-5 click share — a locked-up shelf

Conversion

Bad1.6%

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

Market size

Bad$26K

$26K/yr · 15K searches

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, polyester primer is a $26K/yr Amazon United States market (15K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 36/100.

Data updated Jul 9, 2026 · scored weekly · How we score niches

polyester primer market data

Units sold / yr
250–500
avg 0–100/product
Revenue / yr
$28K–$55K
units × avg price
Conversion rate
1.6%
Avg BSR
#127
Page quality
0%
Prime
27%
Sponsored
20%
Out of stock
0.0%
Avg brand age
92 months
Avg seller age
187 days

Competition & brand share

The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 rising

Sellers

39

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

71%

Top 20: 100%

Open market

0%

  • Evercoat88%
  • House of Kolor5%
  • Eastwood4%
  • Rust-Oleum2%
  • U-POL2%
  • Open — no brand owns it (0%)

Demand

Weekly Amazon search volume, last 20 weeks — +0.0% search growth over the last 90 days.
400300Feb '26Mar '26Apr '26Apr '26May '26Jun '26Jun '26

Top polyester primer search terms

  • polyester primer6K/yr
  • evercoat primer4K/yr
  • feather fill primer4K/yr
All search terms

Top polyester primer 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%10%$3K20%$5K30%$8K40%$10K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

What buyers say about polyester primer

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

What buyers love

Quality-Overall22%

“Good primer”

Value For Money17%

“I find that its cheaper on Amazon than my local stores by several dollars”

Spray/Flow10%

“Sprayed on nicely”

Advertised Vs Actual Product8%

“Does its job”

Paint Quality5%

“High quality paint”

Durability5%

“Efficient & Durable”

Compatibility-Overall4%

“It can be used in my car”

Material Quality4%

“High build polyester primer”

Ease Of Use3%

“its easy to knock that down”

Efficiency2%

“Does its job”

What buyers complain about

Leak-Proof17%

“Container was damaged and leaking,”

Spray/Flow15%

“the can stopped spraying before it was half emptied”

Ease Of Cleaning13%

“requires lots of sanding”

Paint Quality11%

“You can see all the imperfections, bumps, and edges when this stuff dries”

Hard Feel7%

“Hard as a rock”

Jamming/Clogging6%

“the can came clogged”

Quality-Overall4%

“Low quality nozzle”

Soft Feel3%

“is too soft”

Value For Money3%

“total waste of money for me”

Ease Of Use3%

“I cant even use it”

Top return reasons

Leak-Proof100%

Common questions

Is polyester primer profitable to sell on Amazon United States?
The niche generates $26K/yr across 15 tracked products. 90-day search growth is +0.0%. Flapen's verdict: Skip it (36/100).
How competitive is the polyester primer niche?
5 brands and 39 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in polyester primer?
Top complaints mined from reviews: Leak-Proof, Spray/Flow, Ease Of Cleaning. The return rate is 0.0%.
What does it cost to enter the polyester primer niche?
Listings span $8.00–$165.39; the average listing price is $110.37 (sweet spot $15–$100). The average incumbent carries 571 reviews — the moat a new listing must climb.