Commonly asked glue questions.


How can I un-clog my glue cap and what’s the proper way to clean it?

The glue caps can actually be taken apart to help remove any blockage. Simply open the cap as far as it will go and then pull the orange part straight up and it should "pop" off. This should allow you to easily access any blockage. The blockage can be cleared with something like a toothpick or paper clip. You can also soak these separated parts in room temperature water which should help to more easily free up any blockage. Once clear, the orange part can simply be pressed/snapped back into position. Watch the how to un-clog a glue cap video for visual instructions.

How is glue made?

Elmer's Glues are chemical based. They are made or formulated from chemicals which are synthesized (created by Man). These chemicals were originally obtained or manufactured from petroleum, natural gas and other raw materials found in Nature. The exact formula and specific ingredients used in making Elmer's products are considered proprietary information, therefore, we cannot share those with you.

How can I get information about the chemicals used in making glue or safety data sheets (SDS's)?

If you have a technical question about the materials included in one of our products, go to the safety data sheets category search.

Where can I buy Elmer's Glue?

Elmer's products are carried by a variety of major mass retailers. In addition, they can be found in many hardware, grocery, and drug stores, as well as school and office retail locations. To find the closest location to buy a specific product, contact Elmer's Consumer Response at

Is glue made from horses or other animals?

No, Elmer's does not make glue from horses or use animals or animal parts. Our products are made from synthetic materials and are not derived from processing horses, cows or any other animals.

Why is glue sticky?

Although there are many ingredients used to make glue, most formulas contain something called polymers. A polymer is a large molecule that often is described as being a long molecular strand, much like spaghetti. Some polymers are naturally "sticky" depending on how they are made. Others require certain ingredients called tackifiers to make them sticky. One of our many challenges here at Elmer's is to be sure we have exactly the right balance of polymers and tackifiers to create a glue that is sticky and strong.

Why doesn't glue stick to inside of the bottle?

As long as the glue remains inside the bottle away from air it will remain fluid. Glue hardens when there is a loss of water from the formula. Exposure to the atmosphere will cause the water to evaporate and make the glue harden. That's why it is important to keep the cap on the glue bottle closed to prevent hardening or drying out.

I have a milk allergy. Are your products safe for me to use?

Our products are derived from synthetic materials, not any type of animal or milk protein. Of course, if you experience any kind of allergic reaction, be sure to check with your doctor regardless of the type of product you are using.

How long can I keep glue?

If stored properly and capped tightly, Elmer's school glues and wood glues have an average shelf life of 2 years. Krazy Glue, also known as a cyanoacrylate, has a shelf life of approximately 12 - 18 months.

Is Elmer's glue gluten free?

All of our products are gluten free except for the Elmer's Finger Paints. The finger paints contain wheat and oat products.

Is Elmer's glue acid free?

No. Most of our glues that are acid free are labeled as such. Some of our most popular acid free products include all of our glue stick, rubber cement and spray adhesive products.

Who do we contact to request a donation in the United States?

Elmer’s is committed to giving back to the community in-kind and has established a community relations program that makes charitable contributions to qualified organizations. These donations are given to qualified 501(c)(3) non-profit groups.

Unfortunately, we do not accept requests for support by mail or phone. For all donation requests (monetary, product, sponsorship, grants, scholarships), please contact us at

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The Glue with the Orange Cap ®