Hello,

You can also get it from Hollinger Metal Edge:

3M® Double-Sided #415 Tape

They also have Mylar (a.k.a. Archival Polyester Film) in a variety of sizes.

Linda Zellmer

-- 
Linda Zellmer
Government Information & Data Services Librarian
Liaison to Natural & Physical Sciences & Agriculture
415 Malpass Library
Macomb, IL 61455
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Phone: 309-298-2723 <callto:309-298-2723>
Fax: 309-298-2791 <callto:309-298-2791>

On Wed, Apr 18, 2018 at 4:21 PM, Susan Moore <[log in to unmask]> wrote:

> Greetings!
>
> We ahve a map that we would like to encapsulate in Mylar. We've got the
> Mylar that has been handed down from map librarians past put we don't have
> any way of sealing the Mylar. At one point, they apparently used some type
> of double-sided tape. Since this is a map from the 1890s, I'd like to do
> right by it. What tape, if any, should we use to seal the Mylar. (And yes,
> I'll leave some sections unsealed to allow for off-gassing.)
>
> Susan Moore
> University of Northern Iowa
> Cedar Falls, IA  50614
> [log in to unmask]
>