---
title: "Polyester Primer — $26K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/polyester-primer"
last_updated: "2026-08-06T15:36:41.026Z"
locale: en
meta:
  description: "Niche score 36/100 · $26K/yr market · 15K searches/yr · $110.37 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 36/100 · $26K/yr market · 15K searches/yr · $110.37 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Polyester Primer — $26K/yr Amazon US Niche (2026) - Flapen"
---

# **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**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Review moat**

**Good****570.93**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Good****$110.37**

avg listing price — sweet spot $15–$100

**Quality gap**

**Good****4.4★**

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**

**Bad****71%**

top-5 click share — a locked-up shelf

**Conversion**

**Bad****1.6%**

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

**Market size**

**Bad****$26K**

$26K/yr · 15K searches

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

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 ~~](https://flapen.com/research/methodology)

## **polyester primer market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**250–500**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$28K–$55K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**1.6%**</dd>

<dt>**Avg BSR**</dt><dd>**#127**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**27%**</dd>

<dt>**Sponsored**</dt><dd>**20%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**92 months**</dd>

<dt>**Avg seller age**</dt><dd>**187 days**</dd>

</dl>

## **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

[**Open Trend **](https://flapen.com/research/us/automotive/polyester-primer/trend)

## **Top polyester primer search terms**

- **polyester primer**6K/yr+10.9%1.5% conv. - **evercoat primer**4K/yr-8.3%2.3% conv. - **feather fill primer**4K/yr-7.4%3.8% conv. [**All search terms **](https://flapen.com/research/us/automotive/polyester-primer/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 moatMarket 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.

### **Top sellers**

by 90-day click share

[1![Evercoat Feather Fill G2 Premium Polyester Primer Surfacer for Fiberglass SMC & More - 128 Fl Oz - Gray](https://m.media-amazon.com/images/I/51osX7-HqLL.jpg)**Evercoat Feather Fill G2 Premium Polyester Primer Surfacer for Fiberglass SMC & More - 128 Fl Oz - Gray**Evercoat**$113.72**4.3★321 rev](https://www.amazon.com/dp/B000Q8GFPK) [2![Everocat Optex Super Build 4:1 Polyester Primer Surfacer for Aluminum Steel and More -128 Fl Oz](https://m.media-amazon.com/images/I/51h5w7gjb7L.jpg)**Everocat Optex Super Build 4:1 Polyester Primer Surfacer for Aluminum Steel and More -128 Fl Oz**Evercoat**$164.06**4.1★38 rev](https://www.amazon.com/dp/B08B8V6C14) [3![Evercoat Feather Fill G2 Premium Polyester Primer Surfacer for Fiberglass SMC & More - 32 Fl Oz](https://m.media-amazon.com/images/I/51v590qEKqL.jpg)**Evercoat Feather Fill G2 Premium Polyester Primer Surfacer for Fiberglass SMC & More - 32 Fl Oz**Evercoat**$64.02**4.4★49 rev](https://www.amazon.com/dp/B0082LI2TA) [4![Evercoat Super Build 4:1 Polyester Primer Surfacer for Aluminum Fiberglass & More - 128 Fl Oz](https://m.media-amazon.com/images/I/41yQI3yOTLL.jpg)**Evercoat Super Build 4:1 Polyester Primer Surfacer for Aluminum Fiberglass & More - 128 Fl Oz**Evercoat**$135.37**4.0★108 rev](https://www.amazon.com/dp/B004IQ96DO) [5![Evercoat Feather Fill G2 Premium Polyester Primer Surfacer for Fiberglass SMC & More - 128 Fl Oz - Black](https://m.media-amazon.com/images/I/51pmtB41nCL.jpg)**Evercoat Feather Fill G2 Premium Polyester Primer Surfacer for Fiberglass SMC & More - 128 Fl Oz - Black**Evercoat**$126.99**4.2★61 rev](https://www.amazon.com/dp/B003TQFYGC)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Sprayable Polyster Primer](https://m.media-amazon.com/images/I/51R+43J6CgS.jpg)**Sprayable Polyster Primer**House of Kolor**$116.27**6 rev5y ago](https://www.amazon.com/dp/B09481CXWN) [![Everocat Optex Super Build 4:1 Polyester Primer Surfacer for Aluminum Steel and More -128 Fl Oz](https://m.media-amazon.com/images/I/51h5w7gjb7L.jpg)**Everocat Optex Super Build 4:1 Polyester Primer Surfacer for Aluminum Steel and More -128 Fl Oz**Evercoat**$164.06**38 rev6y ago](https://www.amazon.com/dp/B08B8V6C14) [![Eastwood Contour Polyester Primer Direct to Metal Surfacer Filling Quart](https://m.media-amazon.com/images/I/51xZfDxeoFL.jpg)**Eastwood Contour Polyester Primer Direct to Metal Surfacer Filling Quart**Eastwood**$69.46**99 rev7y ago](https://www.amazon.com/dp/B007N6FJXM) [![Evercoat Finish Sand 4:1 Hybrid Polyester Primer Surfacer for Fiberglass Metal & More - 128 Fl Oz](https://m.media-amazon.com/images/I/41LO+NlljdL.jpg)**Evercoat Finish Sand 4:1 Hybrid Polyester Primer Surfacer for Fiberglass Metal & More - 128 Fl Oz**Evercoat**$137.60**15 rev12y ago](https://www.amazon.com/dp/B00H2WVB48) [![Evercoat Feather Fill G2 Premium Polyester Primer Surfacer for Fiberglass SMC & More - 32 Fl Oz](https://m.media-amazon.com/images/I/51v590qEKqL.jpg)**Evercoat Feather Fill G2 Premium Polyester Primer Surfacer for Fiberglass SMC & More - 32 Fl Oz**Evercoat**$64.02**49 rev13y ago](https://www.amazon.com/dp/B0082LI2TA)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Fibreglass Evercoat 2224 URO-Fill Acrylic Urethane Primer Surfacer - Gallon - Gray](https://m.media-amazon.com/images/I/51yKgNKOAnL.jpg)**Fibreglass Evercoat 2224 URO-Fill Acrylic Urethane Primer Surfacer - Gallon - Gray**Evercoat**$165.39**5.0★**▲ 102%**](https://www.amazon.com/dp/B000P6URUC) [![Rust-Oleum 260510 Stops Rust Automotive 2-in-1 Filler & Sandable Primer Spray 12 oz Gray](https://m.media-amazon.com/images/I/411RZBSE-TL.jpg)**Rust-Oleum 260510 Stops Rust Automotive 2-in-1 Filler & Sandable Primer Spray 12 oz Gray**Rust-Oleum**$8.00**4.7★**▲ 58%**](https://www.amazon.com/dp/B006ZLQ4HQ) [![Everocat Optex Super Build 4:1 Polyester Primer Surfacer for Aluminum Steel and More -128 Fl Oz](https://m.media-amazon.com/images/I/51h5w7gjb7L.jpg)**Everocat Optex Super Build 4:1 Polyester Primer Surfacer for Aluminum Steel and More -128 Fl Oz**Evercoat**$164.06**4.1★**▲ 35%**](https://www.amazon.com/dp/B08B8V6C14) [![Evercoat Slick Sand Polyester Primer Surfacer for Fiberglass Wood Surfaces & More - 128 Fl Oz](https://m.media-amazon.com/images/I/51okNLSN2HL.jpg)**Evercoat Slick Sand Polyester Primer Surfacer for Fiberglass Wood Surfaces & More - 128 Fl Oz**Evercoat**$163.16**4.2★**▲ 34%**](https://www.amazon.com/dp/B000Q8EJJO) [![Evercoat 4:1 Catalyst - Polyester Primer Catalyst - Epoxy-Enriched Primer Catalyst - 32 Fl Oz](https://m.media-amazon.com/images/I/41zgniqPsbL.jpg)**Evercoat 4:1 Catalyst - Polyester Primer Catalyst - Epoxy-Enriched Primer Catalyst - 32 Fl Oz**Evercoat**$47.43**4.6★**▲ 20%**](https://www.amazon.com/dp/B00IK1PFRE)

**~~View all trending →~~**

## **What buyers say about polyester primer**

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

### **What buyers love **

**Quality-Overall**22%

*“Good primer”*

**Value For Money**17%

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

**Spray/Flow**10%

*“Sprayed on nicely”*

**Advertised Vs Actual Product**8%

*“Does its job”*

**Paint Quality**5%

*“High quality paint”*

**Durability**5%

*“Efficient & Durable”*

**Compatibility-Overall**4%

*“It can be used in my car”*

**Material Quality**4%

*“High build polyester primer”*

**Ease Of Use**3%

*“its easy to knock that down”*

**Efficiency**2%

*“Does its job”*

### **What buyers complain about **

**Leak-Proof**17%

*“Container was damaged and leaking,”*

**Spray/Flow**15%

*“the can stopped spraying before it was half emptied”*

**Ease Of Cleaning**13%

*“requires lots of sanding”*

**Paint Quality**11%

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

**Hard Feel**7%

*“Hard as a rock”*

**Jamming/Clogging**6%

*“the can came clogged”*

**Quality-Overall**4%

*“Low quality nozzle”*

**Soft Feel**3%

*“is too soft”*

**Value For Money**3%

*“total waste of money for me”*

**Ease Of Use**3%

*“I cant even use it”*

### **Top return reasons **

**Leak-Proof**100%

## **Common questions**

<dl>

<dt>**Is polyester primer profitable to sell on Amazon United States?**</dt><dd>The niche generates $26K/yr across 15 tracked products. 90-day search growth is +0.0%. Flapen's verdict: Skip it (36/100).</dd>

<dt>**How competitive is the polyester primer niche?**</dt><dd>5 brands and 39 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 100% of demand.</dd>

<dt>**What do buyers complain about in polyester primer?**</dt><dd>Top complaints mined from reviews: Leak-Proof, Spray/Flow, Ease Of Cleaning. The return rate is 0.0%.</dd>

<dt>**What does it cost to enter the polyester primer niche?**</dt><dd>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.</dd>

</dl>

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