is super glue food safe after it dries

Is Super Glue Food Safe

All of us know what super glue is. It is a handy item around the house, lest you have accidentally broken ceramic pieces that need repairing. However, be careful it is not food safe. You should not touch your mouth while working with it.

Super glues are quick setting agents used for joining broken pieces of decorative or antics of ceramic, metal, plastic, leather, vinyl rubber, and similar surfaces. An undesired fall of your favorite vase may result in a crack or three broken pieces. With the tip of the glue tube, the super glue can bind the pieces together looking like a perfect piece.

What then is Super Glue?

Super glue is a synthetic adhesive that binds together broken household items. As the major ingredient of super glue is Cyanoacrylate, it is not food safe. Cyanoacrylate is a cyanide derivative, which is a toxic chemical that is not FDA-approved to come into contact directly or indirectly with food.

Is Super Glue Food Safe

Superglue was an unintentional creation by Dr. Harry Coover in 1942. The world realized the potential of super glue as an adhesive in 1958 when it went to the market for sale by the name of Loctite. Ever since the superglue is popular as an adhesive for home items.

Super glue comprises a binding agent, a major chemical called cyanoacrylate. The unique property of the glue shows the formation of unbreakable bondage. Only 9 drops of superglue could lift a car weighing 5 tons. The adhesive capacity of the superglue is incredible!

Loctite glue in the liquid form is available in a 20g bottle. You need only a few drops of glue at a time. After the application of the superglue, you need to leave it for only 10 minutes for it to dry. Complete curing of the glue will take 24 hours.

Is Super Glue Good Safe?

The cyanoacrylate, a major component of the superglue is a derivative of the toxic chemical cyanide. It has a toxic effect if it is in contact with food. According to the FDA, super glue should not come in contact directly or indirectly with food. Therefore, super glue is not food-safe.

How Does the Super Glue Work?

The chemical cyanoacrylate has bonding characteristics because of the acrylic monomer that undergoes anionic polymerization with the moisture content of the surface material. As it requires a water molecule for bonding, it can glue onto any surface in the presence of air.

how long does super glue last


As the glue dries up quickly, it is better to work with the glue with comfort and steadiness. There are however different kinds of glues for different surfaces.

How to Use Super Glue Safely?

Because of the cyanoacrylate content of superglue, it needs special care while working with it. If you drop superglue in your finger and put the fingers, the fingers will glue together and you will lose the skin and muscle to separate them. The advice is to put on hand gloves while working on repairing broken materials.

The common practice is to clean the surface of dirt and oil before you apply super glue. The contaminants negatively affect the bonding and time of drying of the glue.

how to use super glue properly

If you are working with a big surface of leather or wood that will have a long exposure, the practice is to use a hood and cover the surrounding surface. The fumes of the cyanoacrylate in the vaporized form cause irritation to the respiratory system such as the nose, eyes, throat, and lungs. Wearing a protective hood while working for a long time will prevent hurting those delicate membranes.

The shelf life of superglue is only a year from manufacture and lasts a month, once opened. Storing in a cool place or a refrigerator will elongate the shelf life. The opening of the tube must be clean with no air the lid should be tight before storing.

How to Work with Super Glue and Metal?

Superglue works very well in gluing metals with metals. The Loctite glue is especially good for creating strong bondage in metals. It is also ideal for porous and not-so-porous materials. Super glue is a common agent for making metallic crafts, metal pieces of jewelry. The adhesive properties make it a strong gluing agent in the repair of parts of cars, appliances, and woods.

does super glue work on metal

How to work with super glue and plastic?

Super glue is an ideal adhesive for putting together plastic pieces. In the toy industry, its application is widespread. It binds plastic materials like polystyrene and Plexiglas with strength and durability.

The Loctite Plastics Bonding System is resistant to water stress, sets and dries fast.

Food Safe Glue Substitute to Super Glue.

Glues are an essential item in a toolbox. Knowing that super glues are not food safe, let us what other glues are available that are safe for home use for small repairs. We have researched a few for you to make a choice.

  • Epoxy Glue

The Epoxy glue is as good in bonding as the cyanoacrylate but is non-toxic and food safe. The Epoxy glue is a production based on two compounds, a hardener and a resin,. The chemicals undergo a reaction and become resinous glue in several steps.

super glue substitute

Epoxy glues are resistant to moisture, oil, and solvents. It has strong tensile strength and food safe according to FDA. The manufacturing brand of Epoxy is Gorilla, Elmer, Rhino, Instant Krazy glue, and others. Some of the Epoxy type glues are worth mentioning.

1. Gorilla 2-Part Epoxy

The Gorilla Epoxy glue is ideal for repairs in the kitchen. This 2-part glue is of high quality, durable and affordable. The Gorilla applies to many surfaces.

food safe glue bunnings

The glue is very efficient in setting and drying. It does those in 5 minutes. The glue package comes with a syringe that separates the resin from the hardener. The gorilla glue is moderately tolerant to water exposure.

2. Elmer E1012 China

The Elmer glue is famous for its multipurpose uses. Besides glass, the glue acts as a strong adhesive for pottery and ceramics. As it is non-toxic, it applies in cardboard boxes for food packaging. One ingredient of Elmer’s is the cement that acts as a catalyst.

Epoxy Glue

The glue works in a minute and is an excellent adhesive for any surface. The application of the glue is easy. However, it takes 2-3 days to reach its full strength. Therefore, it is disadvantageous for some.

Elmer is non-toxic and passed the FDA test as food-safe glue.

3. Instant Krazy Glue

The Instant Krazy glue is an advanced gel formula in the Epoxy category. The glue is perfect for many surfaces such as metal, wood, glass, rubber, ceramic, and plastic. The glue is non-toxic, FDA approved as food safe.

food safe glue substitute to super glue

An excellent alternative to super glue, Karzy glue is very effective, shock resistant, versatile, and long-lasting. Because it is food safe, it widely applies to boxes of food packages. They designed the tube for use with preciseness and have enough glue for multiple uses.

Krazy is a multipurpose glue, that gives the immediate solution in your home.

4. Rhino Glue Pro Kit

Another great option for food-safe glue is Rhino Glue comes in various styles and sizes. The bonding and drying of this glue are quick. In addition, it has a high bonding strength. The formula of the glue is Clear Stress that makes it strong moisture, shock, and heat resistant.

The bonding is strong for wood, vinyl, rubber, canvas, metals, glass, acrylics, and ceramic and bond in just a few seconds.

The product comes in different styles and sizes. It is also quick drying. A pack of 65 grams glue is affordable.

The food-safe Rhino glue is an excellent alternative to super glue.

  • Poly Vinyl Acetate or White Glue

Another group of food-safe glue is the Poly Vinyl Acetate, also known as white glue. Poly Vinyl Acetate is a kind of aliphatic synthetic resin used to make adhesives. It is rubbery and thermoplastic. The adhesive is safe to handle and food safe.

how to make polyvinyl acetate glue

The common names are wood glue, carpenter’s glue, white glue, and school glue as they are used to glue porous materials like paper, wood, and cloth.

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Glues are an essential item of the packaging, repairing, motors, electronics, and building industries. Glue is also an essential item for the many purposes paper is in use. Both toxic and non-toxic types of glue play an important part in various work. Although the toxic glues are not food safe, their role as an adhesive is essential. They need care in handling. The non-toxic glues are food-safe and cover a wide range of people, assuring safe handling by non-professional adults and children.


As FDA considers the super glue not food safe, the Epoxy type glue should be the one that you can safely use for home repairing. The Epoxy type PVA glue carries glue suitable for children whose learning depends on putting papers together. We wish you get yours on the perfect glue you need for a certain purpose.

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