This 50-pack of 14 x 18" Acid-Free Card Stock from Archival Methods is designed to have many uses. The card stock can act as a support, and prevent photographs or documents from bending inside of archival pages or sleeves. Photographs or documents can be mounted onto the stock and used as an album page. The stock can be used as a backing for a photograph inside of a frame. Instead of marking a matted print, you can write on the card stock, for information or easy identification of a print.

The white card stock is made out of alpha-cellulose pulp from purified wood fiber. No dyes, non-bleeding, and no alum were used in the manufacturing process. A lignin- and acid-free stock, it is pH-balanced at 9. Alkaline sizing was used internally and externally on the card stock, which has passed the Photographic Activity Test (PAT), confirming it is suitable for long-term storage. The weight of the card stock is 290 gsm.

Made from Alpha-Cellulose Pulp    Acid- and Lignin-Free    290 GSM Paper Weight    Easy-Folding Paper    Can Be Written On    Mount Documents & Photos    Support for Sleeves or Sheet Protectors    Archival Backing for Picture Framing

Made from alpha-cellulose pulp

Acid- and lignin-free

Buffered with calcium carbonate 2 to 3% alkaline reserve

290 GSM paper weight

Paper pH of 9

Related Questions and Answers

Q: 1. the boxes I store my photos are only 7 inches wide will these envelopes fit?

A: The photo archive envelopes I bought from B&H item no. 29-46PN are 7 1/4 wide and so would not fit in a 7' box.

Q: 2. What weight paper are these envelopes made from? opacity?

A: The Archival Methods Flap Envelope - 9 x 12", 50 Pack (Cream) is a 7pt thick card stock page. They do not specify the opacity.

Q: 3. open on long or short side?

A: The photograph slides in from the short side.

Q: 4. I'm planning to mount my photos on the wall without frames as an inexpensive way to show my work yey allow me to swap things out easily. The previous foam board i used warped and some pieces had a wavy surface. How is the flatness and stability of this product?

A: These foamboards will maintain flatness and would be very stable for mounting images to your wall.

Q: 5. Are these slide storage sleeves transparent or opaque? ie can I see the slide when it is inside the sleeve.

A: The pages are transparent.

Q: 6. it says wt. is: 148 GSM Paper Weight. How many pounds is that (example 65# or 80# ?)

A: According to the manufacturer, the Archival Methods Acid-Free Card Stock (13 x 19", 50-Pack, White) listed above would be considered 196 lb paper, or 290 GSM paper weight.

Q: 7. Does this paper pass the ANSI IT9.16 Photographic Activity Test (PAT)?

A: Unfortunately, the manufacturer does not specify whether this item pass the listed test.

Q: 8. How do you mount a document on this card stock?

A: If you are looking for ways to mount an image to the Archival Methods Acid-Free Card Stock, a few options I would recommend would be either the Pioneer Photo Albums SGS Square Dual Edge Photo Glue Stick (0.7 oz), B&H # PISGS, the Pioneer Photo Albums Photo Memory Fix (Permanent), B&H # PIPMFP, the Pioneer Photo Albums Photo Memory Fix (Removable), B&H # PIPMFR, the Pioneer Photo Albums Photo Mounting Corners (Box of 250, Clear), B&H # PIPC, or the Lineco Self-Adhesive 0.5 Photo Corners (Ivory, Pack of 252), B&H # LIPCPSI.

Q: 9. Title says "Card Stock" but Key Features says "Easy-Folding Paper" I am looking for a card stock to keep photo in sleeve from bending. Which is it?

A: This paper is likely not thick enough for your needs, this is more of a backing paper for albums or portfolios. For single, loose prints in sleeves, you might look for a mat board (such as BH #ARMB4P81PW) that will be significantly thicker and sturdier.

Q: 10. Are these sleeves transparent or opaque?

A: They are transparent (high clarity).