fiberglass resin hardener
Skip it40/100a small market ($54K/yr) — fiberglass resin hardener doesn't clear our bar today.
Market/yr
$54K
Growth (1y)
+163.5%
Products
18
Brands
12
was 12 a year ago
Sellers
76
Price range
$4.02–$60.72
Returns
0.3%
Rating
4.6★
Skip it
Scored 40/100 across market size, growth, competition, quality gap, and returns.
Competition
- Fiberglass Supply Depot26%
- Polymer World18%
- FGCI16%
- Bondo16%
- Evercoat7%
- 3M6%
- Other (6 brands)10%
The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack. 12 brands and 76 sellers compete here.
Brands
12 flat
was 12 a year ago
Sellers
76
Top 5 brand share
84%
Product shelf
All 18 tracked products in this niche.
Fiberglass Supply Depot Clear Mek Peroxide Catalyst Hardener 4oz Bottle
Fiberglass Supply Depot
$16.014.6★153 reviews
3M Bondo Liquid Hardener 1 Tube 0.37 fl oz. Use with Fiberglass Resin for Auto and Home Repairs Including Tubs Showers Sinks Pools Hot Tubs and Boats Waterproof Repair (00912)
Bondo
$4.024.7★657 reviews
Polymer World MEKP 8oz - 236cc Clear Catalyst-Hardener for Polyester Resins Gelcoats Vinyl Esters Ceramic Transom Pour Includes 1oz Measuring Cup
Polymer World
$24.954.7★78 reviews
FGCI Boatyard Polyester Laminating Resin 1 Quart Kit with MEKP Hardener Clear Fiberglass Resin for Boat Repair and Small Layup Projects Made in the USA
FGCI
$19.554.0★8 reviews
Fiberglass Evercoat Liquid Hardener
Evercoat
$13.034.8★305 reviews
3M Bondo Liquid Hardener 1 Tube 0.37 fl oz. Use with Fiberglass Resin for Auto and Home Repairs Including Tubs Showers Sinks Pools Hot Tubs and Boats Waterproof Repair (00912) 4-Pack
3M
$15.034.7★657 reviews
Fiberglass Supply Depot MEKP Dispensing Bottle 500ML (16oz)
Fiberglass Supply Depot
$15.914.4★422 reviews
Maven MEKP Liquid Catalyst 2 fl oz for Polyester and Vinyl Ester Resins (Organic Peroxide)
Maven
$15.075.0★1 reviews
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Worked as Expected”
“Good product and easy to use”
“Good value”
“Works fine”
“Good product and easy to use”
“I like this resin”
“Chemical resistant and leak proof so far”
“it's held up great”
“Wvercoat compatibility”
What buyers complain about
“Leaked all over”
“Smells like you don't want to have around while it dries”
“This is very deceiving”
“Included directions were useless because the only instruction said to use the entire hardener with the entire gallon”
“Didn't work for my needs”
“Very small bottle”
“It's expensive for what it is”
“poor manufacturing”
“the box was wet”
“was a mess to deal with”
Top return reasons
- Leak-Proof77%
- Size-Overall7%
- Defective Material/Parts4%
- Advertised Vs Actual Product4%
- Adhesion/Stickiness3%
- Compatibility-Overall1%
- Value For Money1%
- Material Quality1%
- Ease Of Cleaning1%
- Water Resistance1%