---
title: "Petg Gf — $33K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/industrial-scientific/petg-gf"
last_updated: "2026-08-08T09:36:00.376Z"
locale: en
meta:
description: "Niche score 39/100 · $33K/yr market · 50K searches/yr · $19.50 avg price. Doesn't clear our bar today. Data updated Aug 2026."
"og:description": "Niche score 39/100 · $33K/yr market · 50K searches/yr · $19.50 avg price. Doesn't clear our bar today. Data updated Aug 2026."
"og:title": "Petg Gf — $33K/yr Amazon US Niche (2026) - Flapen"
---
# **petg gf**
**Skip it**
A small market ($33K/yr) — this niche doesn't clear our bar today.
Market size 8Growth 32Conversion 43Competition 19Returns 96Price range 68Avg price 86Brand share 12Review moat 97Quality gap 24
**Review moat**
**Incredible****50.79**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Incredible****0.7%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$19.50**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$8.28–$28.99**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Okay****3.4%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Okay****+6.0%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****77%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****95%**
top-5 brand share — brand-locked demand
**Market size**
**Bad****$33K**
$33K/yr · 50K searches
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, petg gf is a $33K/yr Amazon United States market (50K searches/yr). The top 5 brands hold 95% of demand. Verdict: Skip it — 39/100.
Data updated Aug 6, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **petg gf market data**
- **Units sold / yr**
- **3K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$49K–$59K**
- units × avg price
- **Conversion rate**
- **3.4%**
- **Avg BSR**
- **#251**
- **Page quality**
- **0%**
- **Prime**
- **93%**
- **Sponsored**
- **57%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **34 months**
- **Avg seller age**
- **261 days**
## **Competition & brand share**
The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **▼falling
**Sellers**
**9**
**Top-5 brand share**
**95%**
Top 20: 100%
**Top-5 click share**
**77%**
Top 20: 100%
**Open market**
**2%**
- ELEGOO53% - TINMORRY27% - Polymaker8% - IEMAI4% - PIEINREY3% - CHCKX3% - Open — no brand owns it (1 brand, 2%)
## **Demand**
Weekly Amazon search volume, last 26 weeks — +6.0% search growth over the last 90 days.
2K2KSpike '26Feb '26Mar '26Apr '26May '26May '26Jun '26Jul '26
[**Open Trend **](https://flapen.com/research/us/industrial-scientific/petg-gf/trend)
## **Top petg gf search terms**
- **petg gf**24K/yr+14.6%4.0% conv. - **petg-gf**8K/yr+18.9%3.9% conv. - **glass fiber filament**6K/yr-8.9%0.9% conv. - **gf filament**4K/yr+13.8%0.8% conv. - **petg gf filament**5K/yr-14.6%4.3% conv. - **glass fiber petg**3K/yr-30.0%3.0% conv. [**All search terms **](https://flapen.com/research/us/industrial-scientific/petg-gf/search-terms)
## **Top petg gf 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%$7K30%$10K40%$13K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 14 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**ELEGOO Glass Fiber PETG Filament 1.75mm Black 1KG PETG-GF 3D Printing Filament High Stiffness Electrical Insulation and Weather Resistant 1KG(2.2lbs) Spool Fits for Most FDM 3D Printers**ELEGOO**$18.71**4.9★74 rev](https://www.amazon.com/dp/B0F37YL8T8) [2**TINMORRY Glass Fiber Reinforced PETG Filament 1.75mm High Impact Resistance PETG GF 3D Printing Filament Durability & Stiffness Compatible with Bambu Lab FDM 3D Printer 1 KG 1 Spool Frosted Black**TINMORRY**$18.99**4.8★105 rev](https://www.amazon.com/dp/B0D45BQGSC) [3**ELEGOO Glass Fiber PETG Filament 1.75mm Gray 1KG PETG-GF 3D Printing Filament High Stiffness Electrical Insulation and Weather Resistant 1KG(2.2lbs) Spool Fits for Most FDM 3D Printers**ELEGOO**$18.80**4.6★59 rev](https://www.amazon.com/dp/B0F37YYG34) [4**ELEGOO Glass Fiber PETG Filament 1.75mm White 1KG PETG-GF 3D Printing Filament High Stiffness Electrical Insulation and Weather Resistant 1KG(2.2lbs) Spool Fits for Most FDM 3D Printers**ELEGOO**$18.90**4.6★41 rev](https://www.amazon.com/dp/B0F37VHKWD) [5**Polymaker HT-PLA-GF Filament 1.75mm Black 1KG High Temp PLA Neatly Wound**Polymaker**$23.65**4.3★230 rev](https://www.amazon.com/dp/B0DZNBYW5F)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**CHCKX Glass Fiber PETG Filament 1.75mm Red 1kg PETG-GF 3D Printing Filament High Impact Resistance Durability & Stiffness for Most FDM 3D Printers**CHCKX**$14.52**10 rev7mo ago](https://www.amazon.com/dp/B0GC6MLN39) [**Reinforced Glass Fiber PETG Filament 1.75mm PETG GF High Impact Resistance Durability & Stiffness Compatible with Bambu Lab Creality K1C QIDI MAX3 FLASHFORGE Prusa MK4 FDM 3D Printer 1 KG Red**PIEINREY**$19.34**7 rev10mo ago](https://www.amazon.com/dp/B0FS1QX35S) [**Polymaker Fiberon PET-GF15 Filament Red 1.75mm 1KG High Stiffness**Polymaker**$28.81**13 rev1y ago](https://www.amazon.com/dp/B0FBWQNJZQ) [**Polymaker Fiberon PET-GF15 Filament Black 1.75mm 1KG High Stiffness**Polymaker**$28.99**30 rev1y ago](https://www.amazon.com/dp/B0FBWGCBB3) [**IEMAI Glass Fiber PETG Filament 1.75mm PETG-GF Matte Black 1kg**IEMAI**$18.24**28 rev1y ago](https://www.amazon.com/dp/B0FB1XWFY6)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Polymaker Fiberon PET-GF15 Filament Red 1.75mm 1KG High Stiffness**Polymaker**$28.81**4.8★**▲ 211%**](https://www.amazon.com/dp/B0FBWQNJZQ) [**Reinforced Glass Fiber PETG Filament 1.75mm PETG GF High Impact Resistance Durability & Stiffness Compatible with Bambu Lab Creality K1C QIDI MAX3 FLASHFORGE Prusa MK4 FDM 3D Printer 1 KG Red**PIEINREY**$19.34**5.0★**▲ 110%**](https://www.amazon.com/dp/B0FS1QX35S) [**CHCKX Glass Fiber PETG Filament 1.75mm Red 1kg PETG-GF 3D Printing Filament High Impact Resistance Durability & Stiffness for Most FDM 3D Printers**CHCKX**$14.52**4.7★**▲ 86%**](https://www.amazon.com/dp/B0GC6MLN39) [**IEMAI Glass Fiber PETG Filament 1.75mm PETG-GF Matte Gray 1kg**IEMAI**$16.17**4.7★**▲ 59%**](https://www.amazon.com/dp/B0FB22QS6N) [**ELEGOO Glass Fiber PETG Filament 1.75mm White 1KG PETG-GF 3D Printing Filament High Stiffness Electrical Insulation and Weather Resistant 1KG(2.2lbs) Spool Fits for Most FDM 3D Printers**ELEGOO**$18.90**4.6★**▲ 49%**](https://www.amazon.com/dp/B0F37VHKWD)
**~~View all trending →~~**
## **What buyers say about petg gf**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**28%
*“Excellent product”*
**Strength**12%
*“Material is very strong”*
**Material Quality**8%
*“Material is very strong”*
**Color**8%
*“Color looks great”*
**Durability**7%
*“It has held up extremely well”*
**Value For Money**7%
*“Decent filament for a decent price”*
**Ease Of Use**6%
*“That simple”*
**Adhesion/Stickiness**4%
*“Layer adhesion is outstanding”*
**Advertised Vs Actual Product**2%
*“Exceeded expectations”*
**Heating**2%
*“heat resistant”*
### **What buyers complain about **
**Adhesion/Stickiness**13%
*“I got bad layer adhesion in that range”*
**Value For Money**9%
*“Please manufactures and suppliers do get greedy sell by volume is good money too, specially if you earn a big chunk of whole maket”*
**Quality-Overall**9%
*“Trash”*
**Flexibility**6%
*“Extremely Brittle”*
**Ease Of Use**5%
*“I cant use it”*
**Strength**4%
*“is weak or brittle and breaks easily”*
**Stiffness**3%
*“More than 3-4mil gets very stiff”*
**Print Quality**3%
*“Everything you print with this will break”*
**Color**3%
*“Color was a touch more dull than the photo shows”*
**Heating**3%
*“One way you can tell you need to increase the temperature is if your prints have little bits of extrusion sticking out from the sides or flinging off onto the build plate; it's cooling too fast and getting brittle”*
### **Top return reasons **
**Material Quality**21%
**Product Condition**12%
**Print Quality**11%
**Color**9%
**Strength**9%
**Size-Overall**7%
**Advertised Vs Actual Product**6%
**Functionality-Overall**6%
**Value For Money**5%
**Adhesion/Stickiness**4%
## **Common questions**
- **Is petg gf profitable to sell on Amazon United States?**
- The niche generates $33K/yr across 14 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +6.0%. Flapen's verdict: Skip it (39/100).
- **How competitive is the petg gf niche?**
- 7 brands and 9 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 95% of demand.
- **What do buyers complain about in petg gf?**
- Top complaints mined from reviews: Adhesion/Stickiness, Value For Money, Quality-Overall. The return rate is 0.7%.
- **What does it cost to enter the petg gf niche?**
- Listings span $8.28–$28.99; the average listing price is $19.50 (sweet spot $15–$100). The average incumbent carries 51 reviews — the moat a new listing must climb.
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