
The Archive Lady, Melissa Barker, explores the differences between plastic storage boxes and archival storage boxes. Archival boxes are designed to protect documents, photos, textiles, and natural history collections. They are acid-free and prevent long-term damage from light, fingerprints, migrant acidity, dirt, and dust. Plastic storage boxes, on the other hand, are typically not archival quality. However, if you intend to use plastic containers for storage, it is recommended to look for containers with the number 5 or the letters PP in the recycle code triangle, indicating they are made with inert polypropylene resin, which is safer for storing records and artifacts.
| Characteristics | Values |
|---|---|
| Plastic storage boxes | Look for the number "5" or the letters "PP" in the recycle code triangle |
| Archival storage boxes | Acid-free, light-protective, fingerprint-proof, protect from migrant acidity and dirt and dust |
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$28.99
What You'll Learn
- Plastic containers with the number 5 or PP in the recycle code triangle are safer for archival storage
- Archival boxes are acid-free and designed to prevent long-term damage to documents
- Archival storage boxes are available for documents, photos, textiles, art, and natural history collections
- Polypropylene plastic containers offer more protection in the event of a flood
- Archival boxes should never be taped or sealed to allow for air movement and prevent humidity damage

Plastic containers with the number 5 or PP in the recycle code triangle are safer for archival storage
Plastic storage boxes are commonly used to store documents, photos, newspapers, books, textiles, art, and natural history collections. When choosing a plastic storage box for archival purposes, it is important to consider the type of plastic used and its suitability for long-term storage. Plastic containers with the number 5 or PP (polypropylene) in the recycle code triangle are generally considered safer for archival storage.
Polypropylene (PP) is a type of plastic resin commonly used in food containers for products like yogurt, sour cream, margarine, and syrup. It is also used to make straws, rope, carpet, and bottle caps. PP has a high melting point, making it heat-resistant and safe for storing hot liquids. It is also generally considered safe for food storage and can be recycled through some curbside programs.
For archival storage, PP plastic offers several advantages. Firstly, it is chemically stable and less likely to leach chemicals into the stored items, which is an important consideration for long-term preservation. Secondly, its heat resistance makes it suitable for storing items that may be sensitive to temperature changes, such as photographs, documents, or textiles. Additionally, PP plastic containers are widely available and relatively affordable, making them accessible for archival storage purposes.
When using PP plastic containers for archival storage, it is important to ensure that the containers are clean and dry before placing items inside. Any residual food or liquid can attract pests or cause damage to the stored items over time. It is also recommended to store the containers in a cool, dry, and well-ventilated area to prevent moisture buildup and potential mould or mildew issues.
Overall, plastic containers with the number 5 or PP in the recycle code triangle are a safer choice for archival storage due to their chemical stability, heat resistance, and accessibility. By choosing the right type of plastic and following proper storage practices, individuals and institutions can effectively preserve their valuable documents, collectibles, and other items for the long term.
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Archival boxes are acid-free and designed to prevent long-term damage to documents
Archival storage boxes are designed to protect documents, photos, books, textiles, art, and natural history collections. They are acid-free to prevent long-term damage to their contents. Acid-free storage is essential for long-term preservation, ensuring that documents and other items remain intact. Archival boxes are constructed from acid-free paperboard and are available in various sizes and colours, including tan, grey, and black.
Acid plays a significant role in the deterioration of paper and other materials. Over time, acid can cause paper to become brittle and discoloured, leading to the eventual breakdown of the material. Acid-free storage boxes are designed to neutralise and prevent the formation of acids, providing a safe environment for documents and other sensitive items.
The acid-free paperboard construction of archival boxes offers a robust and protective solution for long-term storage. The paperboard is treated to remove or neutralise acids, creating a stable environment for the stored items. This treatment process ensures that the boxes themselves will not contribute to the deterioration of the documents over time.
In addition to acid-free paperboard, some archival boxes feature metal edges for added durability and protection. These metal reinforcements provide structural integrity and help to preserve the contents by preventing damage from physical impacts or environmental factors. The combination of acid-free materials and sturdy construction makes archival boxes ideal for storing important documents, photographs, and other valuable items.
Archival storage boxes are a reliable solution for anyone seeking to preserve their documents, photographs, or other sensitive items. By using acid-free materials and thoughtful construction, these boxes provide a safe haven for valuable possessions, ensuring their longevity and protection from the damaging effects of acid deterioration. Whether for personal or professional use, archival boxes offer a trusted method for long-term preservation.
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Archival storage boxes are available for documents, photos, textiles, art, and natural history collections
Archival storage boxes are available for a variety of purposes, including document storage, photo storage, textile storage, art storage, and natural history collections. These boxes are designed to provide optimal archival protection for their contents.
Document Storage
Archival storage boxes for documents are available in a range of sizes and colours, including tan, grey, and black. They are made from acid-free paperboard and are suitable for storing letter and legal folders. Document storage boxes typically feature hinged lids that allow for easy organisation and categorisation of contents. They are also available in full-top and short-top box styles, with removable, close-fitting lids.
Photo Storage
Archival photo storage boxes are designed to protect photographs, prints, negatives, slides, and ink-jet prints. These boxes are made from acid-free paperboard and are available in various sizes and styles, including drop-front, hinged lid, and full-top boxes. Photo storage boxes typically feature metal edges and are buffered to protect against environmental damage.
Textile Storage
Archival textile storage kits are available for storing garments, vintage fabrics, quilts, and other textiles. These kits typically include a metal edge storage box, cotton gloves, tissue paper, a desiccant pack, and a vinyl label. The metal edge boxes are made from acid- and lignin-free boxboard and feature anti-corrosion-treated clamps for rigidity and high stacking strength.
Art Storage
Archival storage boxes for artwork are made from acid-free paperboard and are suitable for storing paintings, drawings, and books. They typically feature full tops with removable, close-fitting lids and are available in various sizes and colours, including tan, grey, and black.
Natural History Collections
Archival storage supplies for natural history collections include acid-free storage boxes, herbarium mounting paper, and inert Ethafoam for building custom housing. These boxes are designed to preserve natural history specimens of various shapes and sizes and are commonly used in museums and archives.
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Polypropylene plastic containers offer more protection in the event of a flood
Plastic storage boxes are commonly used for archival quality storage. Polypropylene plastic containers are a great option for archival storage as they are known for their durability and protective qualities. They are especially useful in the event of a flood due to their unique properties.
Polypropylene is a versatile plastic with numerous applications, including food storage containers, museum collections, and flood barriers. Its durability and water-resistant properties make it an effective material for flood protection. Polypropylene containers offer a reliable option for archival storage, as they can protect their contents from water damage during a flood event.
One of the key advantages of polypropylene containers is their low leaching potential. Archival storage often requires the preservation of sensitive materials, such as documents, photographs, or artefacts. Polypropylene is chemically inert and does not leach harmful chemicals, making it ideal for maintaining the integrity of stored items. This non-reactive nature ensures that the contents of the containers remain unaffected by any floodwaters that may come into contact with them.
Additionally, polypropylene containers are known for their temperature resistance. They can withstand typical storage temperatures and have a high melting point, making them suitable for use in extreme conditions. In the event of a flood, this temperature resistance can be crucial in maintaining the stability of the containers and preventing heat-related damage to their contents.
Polypropylene is also lightweight and easy to work with. During a flood, emergency response teams can quickly deploy these containers to store and protect valuable items. The flexibility and impact resistance of polypropylene allow it to withstand the stresses of a dynamic flood environment without easily ripping or degrading. This characteristic ensures that the containers remain intact and provide continuous protection.
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Archival boxes should never be taped or sealed to allow for air movement and prevent humidity damage
Archival boxes are designed for the long-term storage of objects and collections. They are made of materials that do not contain any chemicals or harmful additives that could damage their contents. Archival boxes should never be taped or sealed to allow for air movement and prevent humidity damage.
When purchasing plastic containers for archival storage, it is important to look for inert materials, such as polypropylene, that will not break down and release damaging acids. Plastic containers with the number "5" or the letters "PP" in the recycle code triangle are made of inert polypropylene resin and are safer for archival storage. Polypropylene containers also offer protection against water damage and pests.
However, plastic containers may not provide the same level of protection as archival boxes. Archival boxes are specifically designed to prevent damage to their contents and are made of acid-free and chemically stable materials. Standard cardboard, for example, often becomes acidic over time, which can harm the stored objects. Glues used in some boxes can also be a source of acid, and staples can rust and leave sharp points that can damage the contents.
To ensure the preservation of valuable items, it is recommended to use archival-safe boxes. These boxes are designed to protect documents, photographs, and artifacts from deterioration and damage. They are made of acid-free and chemically stable materials, such as archival-quality polyester and buffered mounting paper. By avoiding tape and seals, air can circulate within the box, preventing humidity damage and ensuring the long-term preservation of the stored items.
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Frequently asked questions
Archival storage boxes are specifically designed to protect paper, textiles, photographic materials, and natural history collections. They are acid-free and protect their contents from light, fingerprints, migrant acidity, dirt, and dust.
Plastic storage boxes are not considered archival quality. However, if you are using plastic containers, look for the number "5" or the letters "PP" in the recycle code triangle, which indicates the container is made with inert polypropylene resin and is safer for storage.
Some alternatives to plastic storage boxes for archival storage include acid-free boxes, folders, envelopes, and clear enclosures.
It is recommended to store archival storage boxes in a cool, dark place away from exterior walls. It is also important to elevate the boxes off the floor to protect them from potential flooding.
It is important to never tape or seal down any archival storage box to allow for air movement and prevent humidity from damaging the contents.








































