Is PLA Filament Food Safe?

Is PLA Filament Food Safe?

When it comes to 3D printing, PLA filament has gained significant popularity due to its ease of use and eco-friendly nature. PLA, or polylactic acid, is a biodegradable and renewable material derived from plant sources such as cornstarch or sugarcane. One common question that arises is whether PLA filament is safe for use in food-related applications. In this article, we will delve into the topic of PLA filament’s food safety and provide insights to help you make an informed decision.

Understanding PLA Filament

PLA filament is a thermoplastic material used as the feedstock for 3D printers. It is composed of long chains of lactic acid molecules, which are derived from renewable resources. PLA filament is known for its low toxicity and biocompatibility, making it a popular choice for a wide range of applications, including food-related items.

More to know if PLA filament is UV Resistant

Food Safety Considerations

When it comes to using PLA filament for food-related applications, there are a few important considerations to keep in mind:

FAQ about PLA Filaments

1. Filament Composition

The composition of PLA filament can vary depending on the manufacturer. While PLA itself is generally considered safe for food contact, it is crucial to ensure that the specific filament you are using is labeled as food-safe. Look for filaments that explicitly state their compliance with food safety regulations to minimize any potential risks.

2. Printing Process

During the 3D printing process, PLA filament is heated and melted to create the desired object. It is important to note that the printing process may introduce certain contaminants or impurities. Therefore, it is recommended to thoroughly clean the printed objects before using them for food-related purposes. Washing the objects with mild soap and water can help remove any residues or potential contaminants.

3. Post-Processing

After printing, PLA objects may require post-processing, such as sanding or coating. It is essential to use food-safe materials and processes during post-processing if the objects will come into direct contact with food. Avoid using any chemicals or coatings that may pose a risk to food safety.

4. Temperature Considerations

PLA filament has a relatively low glass transition temperature, which means it may soften or deform when exposed to high temperatures. If you plan to use PLA objects for hot food or beverages, it is important to consider their temperature limitations. Ensure that the objects can withstand the intended temperature range without compromising their integrity or releasing harmful substances.


PLA filament can be used for food-related applications when certain precautions are taken. While PLA itself is generally considered safe, it is essential to choose food-safe filaments and maintain proper hygiene practices during the printing and post-processing stages. Additionally, be mindful of the temperature limitations of PLA objects when using them with hot foods or beverages. By considering these factors and taking necessary precautions, you can safely utilize PLA filament for your food-related 3D printing projects.

General overview of pla filament here

Can you drink out of a PLA cup?


When it comes to choosing the right cup for your beverages, it’s essential to consider the material it’s made of. One material that has gained popularity in recent years is PLA, or polylactic acid. PLA is a biodegradable plastic alternative derived from renewable resources such as cornstarch or sugarcane. However, before you start sipping from a PLA cup, it’s crucial to determine whether it is safe for consumption. In this article, we will explore the safety aspects of drinking from a PLA cup and address common concerns.

Is PLA Plastic Safe to Eat and Drink Out of?

Understanding PLA Plastic

PLA is considered a safe plastic option for food and beverage containers due to its biodegradable and renewable nature. It is widely used as a sustainable alternative to traditional petroleum-based plastics. PLA is produced by fermenting sugars derived from plant sources, such as corn or sugarcane, into lactic acid. This lactic acid is then polymerized to form PLA plastic.

Safety of PLA for Beverage Consumption

According to the United States Food and Drug Administration (FDA), PLA is considered safe for use in contact with food and beverages. PLA has undergone extensive testing to assess its potential health risks and has been found to meet the FDA’s requirements for food contact materials. However, it’s important to note that not all PLA products are created equal. The safety of a PLA cup ultimately depends on the manufacturing process and any additional additives used.

Factors to Consider

While PLA cups are generally safe for drinking, there are a few factors to consider to ensure your health and safety:

  1. Temperature: PLA cups have a lower heat resistance compared to traditional plastics. Therefore, it is recommended to avoid using PLA cups with hot beverages above their recommended temperature range, as they may start to deform or release harmful substances.
  2. Additives: Some PLA cups may contain additives to enhance their properties, such as colorants or plasticizers. It is important to choose PLA cups that are specifically labeled as food-grade and free from harmful additives.
  3. Storage and Use: Proper storage and handling of PLA cups are crucial for maintaining their safety. Avoid storing PLA cups in direct sunlight or high-temperature environments, as excessive heat can cause the material to degrade.

Is PLA Filament Non-Toxic?

PLA Filament for 3D Printing

PLA filament is a popular material used in 3D printing due to its ease of use and eco-friendly properties. Similar to PLA cups, PLA filament is derived from renewable resources, making it a sustainable choice for various applications. When it comes to the toxicity of PLA filament, it is generally considered to be non-toxic.

Safe Handling of PLA Filament

While PLA filament is non-toxic, it is important to follow proper handling and printing guidelines to ensure safety:

  1. Ventilation: When 3D printing with PLA filament, it is recommended to operate in a well-ventilated area. This helps to minimize any potential inhalation of ultrafine particles or volatile organic compounds that may be released during the printing process.
  2. Printing Temperature: PLA filament has a lower printing temperature compared to other materials. It is essential to use the recommended printing temperature to avoid overheating and the potential emission of hazardous fumes.
  3. Post-Processing: After printing with PLA filament, it is advisable to wash the printed objects thoroughly with soap and water. This step helps to remove any residual chemicals or contaminants that may be present on the surface.

Is PLA Filament FDA Approved?

FDA Approval for Food Contact

While PLA filament is widely used for various applications, including food-related items such as utensils or packaging, it’s important to note that FDA approval specifically pertains to finished products rather than the filament itself. The FDA regulates finished products that come into direct contact with food, ensuring their safety for consumption.

Food-Safe PLA Filament

While PLA filament may not have FDA approval for direct food contact, there are food-safe PLA filaments available in the market. These filaments are manufactured with food-grade materials and undergo rigorous testing to meet safety standards. When using PLA filament for food-related applications, it is essential to choose a reputable brand that explicitly states its compliance with food safety regulations.

PLA cups and PLA filaments are generally safe for use in food and beverage applications. However, it is important to consider various factors such as temperature, additives, and proper handling to ensure your health and safety. When using PLA cups, avoid exposing them to high temperatures and choose food-grade options. Similarly, when working with PLA filament, maintain adequate ventilation, follow recommended printing temperatures, and opt for food-safe filaments for direct food contact applications. By being aware of these considerations, you can enjoy the benefits of PLA while prioritizing your well-being.

FAQs – Is PLA Filament Food Safe?

  • What is PLA filament?

PLA (Polylactic Acid) filament is a type of 3D printing filament made from renewable resources such as corn starch or sugarcane. It is commonly used in 3D printers to create various objects and prototypes.

  • Is PLA filament food safe?

Yes, PLA filament is generally considered food safe. It is non-toxic and does not produce harmful fumes during the 3D printing process. However, it’s important to note that not all PLA filaments are certified food safe, so it’s essential to choose a filament that explicitly states its food-safe properties.

  • How can I determine if a PLA filament is food safe?

To ensure a PLA filament is food safe, look for certifications such as FDA (Food and Drug Administration) compliance or certifications from other relevant regulatory bodies. Manufacturers often provide information about the filament’s safety and intended applications on their packaging or websites.

  • Can I use any PLA filament for food-related applications?

No, not all PLA filaments are suitable for food-related applications. Some PLA filaments may contain additives or colorants that are not food safe. It’s crucial to use specifically designated food-safe PLA filaments that meet the necessary safety standards.

  • Are there any specific temperature limitations for food-safe PLA filaments?

Yes, food-safe PLA filaments have temperature limitations. They are generally recommended for use in temperatures up to around 60 degrees Celsius (140 degrees Fahrenheit). Using them at higher temperatures can cause the material to deform or release chemicals that may not be safe for consumption.

  • Can I use food-safe PLA for direct contact with hot foods?

Food-safe PLA filaments are typically not recommended for direct contact with hot foods or liquids above their recommended temperature range. It is best to use them for items that will be in contact with food briefly, such as decorative items or utensils that don’t come into direct contact with hot substances.

  • Is it safe to use food-safe PLA for 3D printing molds or cookie cutters?

Yes, food-safe PLA is suitable for creating molds or cookie cutters for food items. However, ensure that the printed items are thoroughly cleaned and sanitized before each use. Additionally, avoid using them for high-temperature applications or prolonged contact with food.

  • Are there any specific cleaning instructions for food-safe PLA items?

Food-safe PLA items should be cleaned using mild soap and warm water. Avoid using harsh chemicals or abrasive cleaners as they may damage the material. It’s important to maintain good hygiene practices and clean food-contact items before and after each use.

  • Can food-safe PLA items be used in the dishwasher?

Food-safe PLA is generally not dishwasher-safe. The high temperatures and aggressive detergents used in dishwashers can cause PLA to degrade or warp. Handwashing is the recommended method for cleaning food-safe PLA items.

  • Can food-safe PLA items be recycled?

Yes, PLA is a recyclable material. However, the recyclability of PLA items depends on the specific recycling facilities available in your area. Check with local recycling centers to determine if they accept PLA for recycling.

Please note that while this information provides general guidance, it’s essential to consult the manufacturer’s instructions and any applicable safety regulations when working with PLA filament for food-related applications.