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Generally, a glue can be labeled non-toxic if it contains no volatile organic compounds (VOC). VOCs are gases or vapours emitted by various solids or liquids that may be in glue, many of which have short- and long-term adverse health effects. VOCs are organic chemical compounds that have high enough vapor pressures under normal conditions to significantly vaporize and enter the atmosphere. A wide range of carbon-based molecules, such as aldehydes, ketones, and other light hydrocarbons are VOCs. The term often is used in a legal or regulatory context and in such cases the precise definition is a matter of law. These definitions can be contradictory and may contain "loopholes"; e.g. exceptions, exemptions, and exclusions. The United States Environmental Protection Agency (EPA) defines a VOC as any organic compound that participates in a photoreaction; others believe this definition is very broad and vague as organics that are not volatile in the sense that they vaporize under normal conditions can be considered volatile by this EPA definition. The term may refer both to well characterized organic compounds and to mixtures of variable composition.

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15y ago
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5mo ago

A non-toxic glue is free from harmful chemicals that can cause harm if ingested or inhaled. These glues are typically made from natural ingredients that are safe for humans and the environment. Certification from regulatory agencies can also ensure that a glue is deemed non-toxic.

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Q: What makes a glue non-toxic?
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