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As a brand of 3M, Bondo® is well known among boat manufacturers and collision repair professionals. This polyester resin is another way that 3M applies science to life, and helps you restore and maintain the beauty and value of your cars, boats and other possessions in and around the home or shop.
What type of resin is Bondo fiberglass resin?
Polyester Resin Attribute Name Value Container Type Can Material Polyester Resin.
Is Bondo fiberglass resin and epoxy?
Bondo Fiberglass Resin is designed for repairing cars, boats, snowmobiles, jet skis, bathtubs and showers. This high-strength polyester resin creates waterproof repairs on metal, fiberglass and wood as well as seals concrete and rotted wood. That makes epoxy resin usually the best choice for fiberglass repair work.
Is Bondo polyester or epoxy?
From contributor A: Bondo is a trade name for a common automotive filler that is polyester resin and typically talc. The Bondo name is used like Kleenex to refer to any mix of polyester filler. Epoxy is not polyester.
Is fiberglass resin the same as epoxy?
The key difference between epoxy and fiberglass resin is that epoxy resins are made mainly from the reaction between epichlorohydrin and bisphenol A, whereas fiberglass resin is made from the combination of alcohols and organic acids.
Should I use epoxy or polyester resin?
Polyester is an adequate adhesive but not as good as epoxy. As a general rule, the tensile strength of a polyester bond will be around 20 percent weaker than the same bond made with epoxy. That makes epoxy resin usually the best choice for fiberglass repair work.
Can I use fiberglass resin to seal wood?
Fiberglass resin can seal wood to form a shell that protects the wood, and provides a smooth painting surface. It also fills in any imperfections. Glassing over wood requires a few precautions and techniques to ensure uniformity, strength and bonding.
Can you use just fiberglass resin?
Suitable for a tremendous range of projects, Bondo® Fiberglass Resin can stand alone or be used with backing strips, tape, cloth or fiberglass mat for jobs where you need reliable strength.
Can you thin Bondo fiberglass resin?
The short answer is “yes” you can addy polyester fiberglass resin to bondo (generic term) to thin it down some. Different companies make a special “thinner” for bondo that is polyester resin based but with some additives.
Will epoxy resin stick to body filler?
Remember that it’s the low spots where the filler will live; these are the places that really must have good key for adhesion. Polyester resin has very poor adhesion without mechanical key. Epoxy, OTOH will still stick.
Is Bondo stronger than epoxy?
The epoxy product that I have used (Abatron) is worth the extra if for no other reason that it sands more like the wood, whereas Bondo is much harder than the wood and will tend to stand proud of the surrounding areas if you’re not careful when sanding.
Does epoxy stick to gelcoat?
Gelcoat-to-epoxy adhesion will be as reliable, if not better than, a polyester-to-polyester adhesion, providing proper steps are followed throughout the repair process.
Is polyester a resin?
In fact, polyesters are the most commonly used thermoset resin for all commercial composite parts. These resins provide a balance of good mechanical, chemical, electrical properties, dimensional stability, ease of handling and low cost.
Why is epoxy resin so expensive?
Epoxy resins are more expensive to produce than other types of resins. This is because the raw materials required for manufacture cost a lot more than other low-end resins and the process of the production is complicated with a low tolerance for errors.
Can you use epoxy over polyester resin?
Epoxy over polyester is ok, as long as the polyester gets sanded first. Anything epoxy is not going to be cheap. Anything epoxy with a sandable filler is going to be even less cheap.
Is polyester resin the same as fiberglass resin?
Fiberglass is a type of glass mat and is obtainable in various structures. Polyester resin is used to saturate the mat or cloth, it then becomes polyester fiberglass resin. Epoxy resin can also be used in this way, but over time polyester resin has somehow gained the title of fiberglass resin.
What’s the difference between polyester resin and epoxy?
Epoxy is more resistant to wearing, cracking and peeling, and corrosion or damage from chemical or environmental degradation. Polyester is more fragile and useful for temporary fixes, or low-stress use. Epoxy is generally more expensive than resin, due to its strength and formulation requirements.
Is casting resin safer than epoxy?
Compared to casting resin, epoxy coating resin has relatively shorter processing times. Because the ink layers do not mix, they can be better controlled. Epoxy coating is more resistant to mechanical influence as compared to casting resin. Epoxy coating is suitable on rougher surfaces and is water-resistant.
What will Polyester Resin not stick to?
21. Polyester and epoxy resins do not stick to glass, yet fiberglass is made of glass.
Can you use fiberglass resin without the mat?
You may be tempted to use resin without some kind of backing like matting or fiberglass cloth. DON’T USE JUST RESIN! You will definitely want to use at the very least matting (easy, thicker matrix, soaks up resin fast!) which significantly hardens your armor.
Can plywood be waterproofed?
Plywood is very receptive to waterproofing material. The smooth finish is still porous enough on a micro level that the plywood will easily bond with sealers and paints. This means plywood can still be used outdoors and in marine environments.
Can you seal wood with resin?
Epoxy resin is suitable for sealing wood as well as waterproofing it. Some examples of this application include sealing a tabletop, wooden boards in the kitchen, or furniture.
Can you put fiberglass resin over paint?
The instructions specify “Don’t apply resin mixture over painted or finished surfaces, it won’t adhere.”May 16, 2018.
What will fiberglass resin not stick to?
Fiberglass resins will not stick to woods that have been treated. They only stick to untreated, clean, dry wood. Redwood is not only usually treated, but it also contains a waxy substance prohibiting adhesion.
Can you fibreglass over epoxy?
Yes, you can glass over epoxy. Just be sure to wash/scrub the amine blush off the epoxied area if it isn’t a blushless epoxy.
What can you thin fiberglass resin with?
Polyester resin can be thinned out using no more than 10 percent acetone. Any more and the fiberglass will not completely harden.
What happens if you put too much hardener in resin?
Adding too much of either resin or hardener will alter the chemical reaction and the mixture will not cure properly.
How do you liquify polyester resin?
Polyester and epoxy resins are chemicaly very resistant, although there are some soluble combinations. For epoxy resins you could use nitric acid or dichloromethane. For polyester resins you could use isopropanol or sulfuric acid.
