Archival Methods 11x14" Acid-Free Card Stock, 148gsm, 50/Pack, White

For artists, photographers, and document preservationists, our 11x14" Acid-Free Card Stock, weighing 148gsm and available in packs of 50, offers the perfect solution for a variety of applications. This high-quality card stock, in a pristine white color, is meticulously crafted from alpha-cellulose pulp derived from purified wood fiber, ensuring its archival quality and longevity.With a pH level of 9 (+/-0.5), this acid-free card stock is designed to prevent yellowing and deterioration over time. It boasts a substantial 100 Lb basis weight (20x26) and a thickness of 0.008 of an inch, providing a sturdy and durable surface that can easily be creased for folding.Our card stock is treated with alkaline sizing both internally and externally, eliminating the use of alum in the manufacturing process. This ensures a smooth, non-absorbent surface that's perfect for writing, drawing, or mounting photographs. Further enhancing its archival quality, the card stock is buffered with calcium carbonate, providing a 2-3% alkaline reserve to counteract any acidic contaminants. It contains no dyes and is non-bleeding, preserving the integrity of your work or documents.This product passes the rigorous Photographic Activity Test (PAT) ISO IT 18916 (formerly ISO 14523 ANSI IT9.16), guaranteeing its safety for use with photographs. Additionally, it meets the TAPPI 236 cm-85 standard for lignin content, with a Kappa number of less than five, further attesting to its archival quality.Whether you're looking for stiffening and support inserts for sleeves, sheet protectors, and pocketed pages, album pages for mounting photographs or documents, acid-free backing in picture frames, or a surface that can be written on to add titles or identification information, our 11x14" Acid-Free Card Stock is the ideal choice.

• SUPERIOR PROTECTION - Crafted from alpha-cellulose pulp our acid-free card stock safeguards your photos and documents from deterioration ensuring lasting preservation.
• ARCHIVAL QUALITY - Buffered with 2-3% alkaline reserve calcium carbonate this card stock maintains a stable pH of 9 (+/- 0.5) preventing acid migration and yellowing over time.
• RIGOROUSLY TESTED - Passes the Photographic Activity Test (PAT) ISO IT 18916 guaranteeing it won't react with or damage your valuable prints and keepsakes for peace of mind.
• LIGNIN-FREE - With a Kappa number less than five our card stock is virtually lignin-free minimizing the risk of discoloration and embrittlement preserving image integrity.
• OPTIMAL WEIGHT - At 148 gsm this card stock provides a sturdy and reliable backing for photos artwork and documents offering excellent support without being too bulky.
• GENEROUS SUPPLY - Each pack contains 50 sheets of 11x14" card stock providing ample material for multiple projects from framing to scrapbooking offering great value.