Table of Contents
Mix the Bondo® All Purpose Fiberglass Resin in a paper cup with the Bondo® Fiberglass Resin Hardener. For small applications use 10 drops of hardener per ounce of resin. Working time will be 10 to 12 minutes. For larger applications, use half of the fiberglass resin hardener supplied, to half of the resin container.
What is the ratio of fiberglass resin to hardener?
Add 14 drops of liquid hardener per 1 oz. of Fiberglass Resin (or for ¼ can of Fiberglass Resin, use ¼ tube of liquid hardener).
What happens if you put too much hardener in fiberglass resin?
Adding too much of either resin or hardener will alter the chemical reaction and the mixture will not cure properly.
How do you mix Bondo fiberglass resin jelly?
Mixing: Knead cream hardener tube thoroughly. For a golf ball-size amount of resin jelly, squeeze out 1 1/4 inch strip of hardener, or mix a 3 inch diameter circle 1/2 inch thick of resin jelly to a 3 inch strip of cream hardener. Mix thoroughly to a uniform color on clean, non-porous surface.
How much hardener do I need for 8 oz fiberglass resin?
DIRECTIONS: Mix Polyester Resin and Hardener using 12 drops of Hardener per ounce of Resin.
How do you mix resin and hardener ratio?
VOLUME – To achieve the correct 2:1 mix ratio by volume, simply measure out 2-parts resin to 1 part hardener before mixing the components.
How do you calculate resin ratio?
Resin Weight = (resin ratio / (resin ratio + hardner ratio)) x desired weight. Hardner Weight = (hardner ratio / (resin ratio + hardner ratio)) x desired weight. For a ratio of: 10:1 Total weight of epoxy Weight of resin Weight of hardner 106 96.4 9.6 108 98.2 9.8 110 100 10.
Will fiberglass resin harden without enough hardener?
You let it sit, and sit, and sit, but it never completely hardens. Chances are you did not add enough catalyst, the chemical that hardens the resin. It’s a chemical process and depends on how close you were to the proper amount of catalyst.
How do you know when resin is cured?
Signs that your resin print is overcured Yellowing of prints: If you notice that your prints are starting to yellow or get discoloured, then you’ve exceeded the necessary curing time. Brittleness: A brittle resin print is a sign that you may have left the print in the curing station for too long.
Why is my resin rubbery?
Not Thoroughly Mixed It’s important to mix both the resin and hardener thoroughly or it cannot catalyze properly. Your resin needs to be mixed fully for at least 3 minutes. Improperly mixed resin could again turn the mixture into a solid but it won’t be 100% thoroughly cured, leading to bendy resin.
Is Bondo fiberglass resin epoxy or polyester?
Product Description. Bondo Fiberglass Resin is a strong material commonly used for autos, boat building and other repairs. This high-strength polyester resin can be used with fiberglass mats or cloths on surfaces including fiberglass, wood, metal and masonry to repair metal rust-outs and to recreate or join surfaces.
What’s the difference between fiberglass resin and fiberglass resin jelly?
Like everyone else said. Resin is just to soak the mat. Jelly is more cosmetic.
Is Bondo fiberglass resin waterproof?
Made with the same resin used to build many boats, Bondo® All-Purpose Fiberglass Resin is 100% waterproof for a versatile range of projects such as repairing tubs, showers, sinks, pools, hot tubs and boats.
What happens if you put too much catalyst in resin?
You will need to scrape off the resin and start over. Adding more catalyst won’t work.
How much resin and hardener do I need?
Start by pouring 15 oz of resin into the measuring cup, followed by 15 oz of hardener, to give you 30 oz total. The 32 oz kit is the perfect amount for your project’s needs.
How much hardener do you put in resin?
The ratio range for catalyst to resin is 1 to 2 percent hardener to the total volume of resin to be used. For example, four drops of hardener will be 1 percent of 1 ounce of resin. Adding more of less of the catalyst agent will speed up or slow down the curing time for the resin.
How do you mix 3 resin?
This resin uses a 3:1 hardener. Mixing 3 parts epoxy to 1 part hardener will give you the appropriate final mixture. This is considered to be a medium hardener, Our 2:1 epoxy will cure slower and our 4:1 hardener epoxies will cure much faster. However this 3:1 hardener will provide you with the best of both worlds.
Will Bondo hardener work with fiberglass resin?
Bondo fiberglass resin liquid hardener is designed specifically for use with Bondo fiberglass resin and Bondo metal reinforced filler. This hardener is easily mixed with resin or filler; a chemical reaction creates an extremely strong, waterproof repair material.
What type of resin is Bondo fiberglass resin?
Bondo Fiberglass Resin is the same high-strength polyester resin that is used to build most boats. Can be used alone or with fiberglass tape, cloth or mat to repair damaged fiberglass boats, snowmobiles, jet skis, bathtubs and showers.
How long does Bondo take to dry without hardener?
That said, having an idea of how long bondo takes to dry is important whenever you’re planning out a project or repair. When used according to the manufacturer’s recommendations, Bondo takes 10 to 15 minutes to dry enough to form a sandable surface. After 45 minutes it’s cured enough to be painted.
Can you cure resin prints in the sun?
So, in short yes: Resin parts can be over cured if exposed to UV light for too long. The light coming from a UV curing chamber is much stronger than the effect that sunlight has on the resin prints, and leaving them overnight will already show some signs of degradation.
