petg gf
Skip itA small market ($33K/yr) — this niche doesn't clear our bar today.
Review moat
Incredible50.79avg incumbent reviews — the moat a new listing must climb
Returns
Incredible0.7%return rate — above 5% kills the launch gate
Avg price
Great$19.50avg listing price — sweet spot $15–$100
Price range
Good$8.28–$28.99cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay3.4%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
Bad4.6★avg incumbent rating — lower means beatable quality
Competition
Bad77%top-5 click share — a locked-up shelf
Brand share
Bad95%top-5 brand share — brand-locked demand
Market size
Bad$33K$33K/yr · 50K searches
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
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.Top petg gf search terms
- petg gf24K/yr
- petg-gf8K/yr
- glass fiber filament6K/yr
- gf filament4K/yr
- petg gf filament5K/yr
- glass fiber petg3K/yr
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.
All 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$18.714.9★74 rev
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$18.994.8★105 rev
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$18.804.6★59 rev
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$18.904.6★41 rev
Polymaker HT-PLA-GF Filament 1.75mm Black 1KG High Temp PLA Neatly Wound
Polymaker$23.654.3★230 rev
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$14.5210 rev
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$19.347 rev
Polymaker Fiberon PET-GF15 Filament Red 1.75mm 1KG High Stiffness
Polymaker$28.8113 rev
Polymaker Fiberon PET-GF15 Filament Black 1.75mm 1KG High Stiffness
Polymaker$28.9930 rev
IEMAI Glass Fiber PETG Filament 1.75mm PETG-GF Matte Black 1kg
IEMAI$18.2428 rev
Trending
90-day click momentumPolymaker Fiberon PET-GF15 Filament Red 1.75mm 1KG High Stiffness
Polymaker$28.814.8★
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$19.345.0★
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$14.524.7★
IEMAI Glass Fiber PETG Filament 1.75mm PETG-GF Matte Gray 1kg
IEMAI$16.174.7★
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$18.904.6★
What buyers say about petg gf
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“Material is very strong”
“Material is very strong”
“Color looks great”
“It has held up extremely well”
“Decent filament for a decent price”
“That simple”
“Layer adhesion is outstanding”
“Exceeded expectations”
“heat resistant”
What buyers complain about
“I got bad layer adhesion in that range”
“Please manufactures and suppliers do get greedy sell by volume is good money too, specially if you earn a big chunk of whole maket”
“Trash”
“Extremely Brittle”
“I cant use it”
“is weak or brittle and breaks easily”
“More than 3-4mil gets very stiff”
“Everything you print with this will break”
“Color was a touch more dull than the photo shows”
“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
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.