
The thickness of plastic laminate varies depending on its intended use. Lamination is the process of bonding clear plastic film to printed materials to increase their strength, durability, and presentation. The thickness of the laminate is measured in mils, with one mil equalling 0.001 inches. The thinnest laminate is 1.5 mil, which is commonly used for projects made from cardstock, such as business cards and brochures, as it adds a layer of protection without compromising flexibility. On the other hand, thicker laminates, such as 10 mil, are used for identification cards and reference sheets, as they provide superior toughness and rigidity. The choice of laminate thickness depends on the desired level of protection, flexibility, and durability required for the specific application.
| Characteristics | Values |
|---|---|
| What is laminate? | A thin sheet of plastic film bonded to printed pieces to protect them from stains, moisture, dust, and wear and tear. |
| How is thickness measured? | In "mils", where one mil equals 0.001 inches (or one-thousandth of an inch). |
| Common thicknesses | 1.5, 1.7, 3, 5, and 10 mil. |
| Use cases for 1.5 mil | Used for business cards, flash card sets, presentation folders, book or manual covers, brochures, pamphlets, and other printed materials that need to be folded. It is also a cost-effective option for short-term use. |
| Use cases for 3 mil | Strikes a balance between flexibility and durability. Can be used for materials that need to be folded with relative ease. |
| Use cases for 10 mil | Used for identification cards, badges, reusable tags, and items that will be used in rugged environments. |
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What You'll Learn

Laminate thickness is measured in mils
The thickness of laminate is measured in "mils", which is equivalent to 0.001 inches or 1/1000th of an inch. This unit of measurement is often used in the United States, where it is referred to as "thou" outside of the country. The term "mil" was introduced during the Industrial Revolution to simplify communication among engineers.
Laminate thicknesses vary, with the most common options ranging from 1.5 to 10 mil. A 1.5-mil laminate is one of the thinnest options available and is often used on cardstock materials such as business cards, presentation folders, and book covers. It is also suitable for projects that require folding, such as brochures and pamphlets. This thickness is a cost-effective option for projects with a short lifespan, including flyers, temporary signs, and instruction sheets.
A 3-mil laminate offers a balance between flexibility and durability, making it suitable for projects that require some degree of folding. It is twice as thick as the 1.5-mil laminate but still falls under the light-duty category. The 5-mil laminate is a popular choice for projects that require moderate stiffness, such as placemats, flat menus, and educational materials. It is also suitable for flashcards and cards that are repeatedly handled.
For projects that require more strength and rigidity, a 7-mil laminate is a good option. It is commonly used for letter-sized documents or smaller, such as prayer cards. The 10-mil laminate is one of the thickest options, providing durability and rigidity similar to that of a credit card. It is often used for identification cards, luggage tags, and projects that need to withstand rugged environments.
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1.5 mil is a popular thickness for printed projects
Laminated printing refers to printed pieces that have a clear plastic film bonded to them. The thickness of a laminate is measured in "mils", with one mil equal to 0.001" (or one-thousandth of an inch). A 1.5 mil laminate is one of the thinnest films used for printed pieces and is a popular thickness for printed projects.
The 1.5 mil thickness is a good choice for projects with a short lifespan, such as flyers, sell sheets, temporary signs, quick-start guides, or instruction sheets. It is also used for adding a thin protective layer to product labels. This thickness is frequently used on projects made from cardstock, such as business cards, presentation folders, postcards, and book covers. Cardstock is relatively sturdy, so it does not need a heavier laminate to add rigidity. Instead, the 1.5 mil laminate is used to add a layer of protection against stains and spills or to enhance the sheen and texture.
Because 1.5 mil laminate is thin and flexible, it is a good fit for print projects that will be folded, such as brochures, pamphlets, event programs, visitor guides, or self-standing table tents. It is also an economical choice when applying laminate to print materials that are constructed of heavy paper or cardstock. For example, business cards, flash card sets, presentation folders, and book or manual covers.
The 1.5 mil thickness is also suitable for laminated print projects that serve a temporary purpose, such as a route map for a walk-a-thon or a limited-time holiday menu for a restaurant.
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3 mil is a balance between flexibility and durability
The thickness of a plastic laminate is measured in "mils", with one mil equal to 0.001" (or one-thousandth of an inch). A 3 mil laminate, then, is 0.003" thick. This thickness strikes a balance between flexibility and durability.
While a 1.5 mil laminate is one of the thinnest films used for printed pieces, a 3 mil laminate is considered a light-duty laminate. It has twice the thickness and resilience of a 1.5 mil laminate, but it is still flexible enough to be used on many of the same projects. For example, a 3 mil laminate can be used on printed pieces that need to be folded, such as brochures, pamphlets, and event programs.
The 3 mil thickness is also a good option for providing additional protection to hardware, nuts, bolts, and industrial parts. It can also be used for light-duty applications, such as protecting furniture during a move or covering small plants.
However, a 3 mil laminate may not be suitable for projects that require heavy-duty protection. For example, a 6 mil laminate is typically used for extra heavy-duty protection against punctures and tears on bulky items or items with sharp corners. A 10 mil laminate is also recommended for printed pieces that will be used in dirty, damp, greasy, or otherwise rugged environments.
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10 mil is used for items that need to be sturdy
The thickness of a laminate is measured in "mils", with one mil equal to 0.001 inches (1/1000th of an inch). Laminates are available in a variety of thicknesses, with the thinnest films used for printed pieces being around 1.5 mil. This thickness is commonly used for projects made from cardstock, such as business cards, postcards, and book covers. It is also a cost-effective option for projects with a short lifespan, such as flyers, temporary signs, and instruction sheets.
For projects that require more durability, a thicker laminate may be needed. A 3 mil laminate, for example, offers a balance between flexibility and durability. It is twice as thick as a 1.5 mil laminate but is still considered a light-duty laminate. This thickness can be used for projects that require some flexibility, such as pieces that need to be folded.
However, when it comes to items that need to be sturdy, a 10 mil laminate is often the preferred choice. With a thickness of 0.010 inches, this laminate is ideal for applications that require superior toughness and rigidity. Items laminated with 10 mil film cannot be bent or creased easily, making it suitable for identification cards, badges, reusable tags, and reference sheets. It is also recommended for printed pieces that will be used in rugged environments, such as dirty, damp, or greasy conditions.
The choice of laminate thickness depends on the intended use of the item and the environmental conditions it will be subjected to. A thicker laminate provides better protection against moisture, dust, and debris. It also increases the item's durability, making it more resistant to tears, punctures, and weathering. Therefore, a 10 mil laminate is suitable for items that need to withstand heavier loads or harsher conditions, ensuring they remain sturdy and durable.
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Thicker laminate is harder to fold
Laminating printed materials is a cost-effective way to extend the life of the printing. The clear plastic film used to laminate printed matter is available in a variety of thicknesses, measured in mils. One mil is equal to 0.001 inches or one-thousandth of an inch.
Laminate thicknesses can range from 1.5 to 10 mil, from thin to thick. A 1.5 mil laminate is one of the thinnest films used for printed pieces. It is commonly used on projects made from cardstock, such as business cards, presentation folders, and book covers. Because cardstock is relatively sturdy, it does not need a heavier laminate to add rigidity. Instead, the 1.5 mil laminate is applied to provide a layer of protection or to enhance the sheen and texture. Due to its thinness and flexibility, it is a good fit for print projects that will be folded, such as brochures, pamphlets, and event programs. It is also a popular choice for adding a thin protective layer to product labels.
3 mil laminate offers a balance between flexibility and durability. It is twice as thick and resilient as a 1.5 mil laminate but is still considered light-duty. It can be used on many of the same projects as 1.5 mil laminate and can be folded with relative ease. However, as the laminate thickness increases, folding becomes more difficult. A 5 mil laminate, for example, can be scored and folded but may result in a "spring-open" effect.
A 10 mil laminate is much thicker and tougher, making it difficult to bend or crease. It is often used on items that do not require folding, such as identification cards, badges, and reference sheets. The combination of a heavy substrate and thicker laminates can cause a printed piece to become extremely stiff, resulting in sharp corners that may require rounding to prevent injury.
Therefore, it is generally recommended to use a laminate film thickness of 3 mil or less for projects that need to be folded. Thicker laminates, while providing increased durability and rigidity, are harder to fold and may require special considerations to ensure safe handling.
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Frequently asked questions
The thickness of plastic laminate is measured in mils, with one mil equal to 0.001 inches. Laminate thicknesses can range from 1.5 to 10 mil, with some common thicknesses being 1.5, 3, and 10 mil.
1.5 mil laminate is commonly used for projects made from cardstock, such as business cards, presentation folders, and book covers. It adds a layer of protection and enhances the sheen without adding too much rigidity. It is also used for folded print projects like brochures and pamphlets.
3 mil laminate offers a balance between flexibility and durability. It can be used for projects that require some folding, such as brochures, and provides more resilience than 1.5 mil laminate.
10 mil laminate is a heavy-duty option that is difficult to bend or crease. It is often used for identification cards, reference sheets, and any printed materials that will be used in rugged or damp environments.


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