Archival Methods 14x18" Acid-Free Card Stock, 148gsm, 50/Pack, White

Let the 14x18" Acid-Free Card Stock, with a weight of 148gsm and available in a pack of 50, be your go-to choice for all your archival needs. This high-quality card stock, in a pristine white color, is not only acid- and lignin-free but also boasts a pH level of 9 (+/-0.5), ensuring your documents and photos are protected from deterioration over time.

With a thickness of 0.008 of an inch and a 100 Lb basis weight (20x26), this card stock is sturdy yet easily creased for folding, making it versatile for various applications. It's crafted from alpha-cellulose pulp derived from purified wood fiber, guaranteeing a premium and eco-friendly product.

Our card stock utilizes alkaline sizing for both internal and external sizing, ensuring a smooth and consistent finish. We take pride in our manufacturing process that excludes the use of alum, further enhancing the longevity of your documents and photos.

This card stock is buffered with calcium carbonate, providing a 2-3% alkaline reserve that aids in neutralizing acidic materials. It's free from dyes and non-bleeding, ensuring your prints remain vibrant and true to their original colors.

Our card stock passes the rigorous Photographic Activity Test (PAT) ISO IT 18916 (formerly ISO 14523 ANSI IT9.16), assuring you of its archival quality. The lignin content is tested by TAPPI 236 cm-85 and has a Kappa number of less than five, indicating minimal presence of lignin that could cause yellowing or brittleness over time.

This card stock is perfect for stiffening and support inserts for sleeves, sheet protectors, and pocketed pages. It's also ideal for album pages for mounting photographs or documents, and as acid-free backing in picture frames. Plus, it can be written on to add titles or identification information, making it a versatile choice for both professional and personal use.