What Is Bondo Made Of

Bondo, a two-part (resin with hardener added) mix of talc and plastic, was introduced in 1955. It was developed by WWII veteran and automotive repair shop owner Robert Merton Spink of Miami, Florida.

What chemicals are in Bondo?

The filler itself is a complex mixture of goop that contains, among other things, fiberglass (polyester) resin and talc. The resin allows adhesion as good as most epoxy adhesives and the talc (yes, as in talcum powder) makes the material flow smoothly.

What is the main ingredient in body filler?

To begin, let’s first establish what body filler is and why it can cause problems if not treated correctly. The main ingredients (but not in all cases) are talc, as in baby powder, fiberglass (polyester) resin, styrene and in the hardener methyl ethyl ketone peroxide (MEKP).

Is there fiberglass in Bondo?

Bondo Glass Reinforced Filler makes an excellent foundation for hole, dent and rust-out repairs without the need for backing strips, cloths and resins. It contains short, interlocking fiberglass strands and fibers that make it twice as strong as regular body filler.

Is Bondo hazardous waste?

Both the resin portion and the hardener are typically regulated as hazardous wastes by the US EPA and as hazardous materials by the US DOT.

Is Bondo dust explosive?

Odor, Color, Grade: Yellow putty with pungent organic odor General Physical Form: Liquid Immediate health, physical, and environmental hazards: Flammable liquid and vapor. Closed containers exposed to heat from fire may build pressure and explode.

What can you use instead of Bondo?

You can use plastic/metal 2-part epoxies. Repair epoxy is also a good alternative.

What is Bondo putty made of?

Bondo, a two-part (resin with hardener added) mix of talc and plastic, was introduced in 1955. It was developed by WWII veteran and automotive repair shop owner Robert Merton Spink of Miami, Florida.

Does bondo shrink?

Choose between Bondo Fiberglass Resins, Bondo Fiberglass Repair Kits or Bondo Body Fillers. Bondo Fiberglass Resins and Repair Kits are 100 percent waterproof. Because they do not shrink, they are excellent sealers.

Can you bondo rust holes?

While “Bondo” is the name of a 3M product, it has also become a generic term for plastic body filler, and several companies make similar stuff. The putty can be useful for filling rust holes in the most rust-prone areas of a car including quarter panels, fenders over and behind the wheels, and the bottoms of doors.

Is there a bondo for plastic?

Like most plastic body fillers, Bondo is a lightweight polyester-based plastic body filler that was originally developed as an alternative to lead body solder. Feb 2, 2020.

Does acetone remove bondo?

Acetone will remove at least some fabric along with the embedded Bondo. Apply the acetone to a cleaning cloth and wipe the affected area thoroughly. According to the Aftermarket Product Department of 3M, the Bondo should release from the fabric fairly easily.

What is the easiest body filler to work with?

Polyester glazes can be used to fill scratches and very small dents. They can be applied over bare metal, fiberglass, other fillers, and cured 2K Coatings. They are thin and easy to work with.

How is car body filler made?

The makeup of car body filler compound consists of multiple elements, including polyester (fibreglass) resin and talc. The talc powder incorporated is the very same as everyday talcum powder. But the grade of the talc is what dictates the type of filler produced.

Is Bondo flammable when dry?

Body filler is a thick, two-part polyester resin, commonly called Bondo. Caution: Bondo is flammable — keep away from heat, sparks, open flames, and hot surfaces.

Is Bondo wood filler toxic?

And they’re not only intense, they are toxic because Bondo is made with fun ingredients like glass microspheres, talc powder, and titanium dioxide. You may also suffer burns if it comes into contact with your skin.

How toxic are Bondo fumes?

Bondo is very toxic, especially the dust fibers. Don’t get it on your skin or breathe it directly without a mask. Fumes are very flammable too; not something you want to use around a home heater. fire may build pressure and explode.

Is body filler a health hazard?

It can cause drowsiness, nausea, headaches, dizziness, chest pain, trouble breathing and eye, nose and throat irritation. – Most body fillers contain a solvent called styrene. As the filler dries, styrene is released to the air. Breathing it can cause respiratory irritation and damage the liver.

Is Fiberglass Bondo flammable?

Flammable Limits: UEL-6.1% (Styrene) Extinguishing Media: Carbon dioxide, dry chemical (small fires); foam and water fog (large fires) Special Fire Fighting Procedures: Cool containers with water.

What is stronger epoxy or Bondo?

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.

Is Bondo epoxy resin?

Bondo® All-Purpose Fiberglass Resin is suitable for a range of repairs and improvement projects inside and outside of the home and garage. Part of a brand that is well-known for auto repair, this fiberglass resin works with fiberglass, wood, concrete and more.

Is spackle the same as Bondo?

Spackle is soft and is intended for interior use. Bondo is for larger areas and can be difficult to use.