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Western Museum of Mining & Industry
1025 North Gate Blvd. Colorado Springs, CO 80921
(719) 488-0880
www.wmmi.org
Caring for Your Collections: Page 1 of 2
Prepared by Emily Occhiuto, Education Assistant
Storage Materials to AVOID
Recommended Storage Materials
Cellophane tape dries out & the adhesive stains
Special adhesives that are based on methyl cellulose or wheat or rice starch are water soluble and non-toxic
Cotton wool can snag on rough textures and

is hard to remove

Cotton fabrics & threads may be used-but wash first to remove sizing chemicals.
Masking tape contains an adhesive that is very hard to remove and is acidic
Polyester batting can be used for all sorts of padding projects- especially good with textiles.
Metal paper clips rust and stain
Plastic paper clips do not rust or stain, but can easily distort paper (use with care)
Paper products must be checked- many cardboards, cigar boxes, picture mats are highly acidic-overtime this will cause yellowing and embrittlement
Acid-free paper products protect objects. Comes in buffered and unbuffered- unbuffered has a neutral pH and is used for housing photos, textiles. Buffered is good for storing paper because it absorbs the acids paper can emit.
Plastics (plastic wrap, dry-cleaning bags) contain chlorinated compounds and plasticizers that can harm an object. Plastic wrap can mold or mildew a material if airtight.
Polypropylene bags come in many sizes and are good for containing small objects. They should be well ventilated to prevent condensation.
*Swain, Lynn. “Collections Management: Storage.” In The New Museum Registration Methods, edited by R.A. Buck and J.A. Gilmore. Washington, DC: American Association of Museums, 1998.

Helpful Hints:

  • Tupperware or plastic containers will work, but make sure to get clear containers and lids– colored plastic will off gas, which will cause damage.
  • Photo albums and photo boxes must state if it is archival quality and/or acid-free.
  • Most hobby or craft stores will supply acid-free boxes, acid-free tissue paper, polyester
  • batting, etc.
  • Always remember these three steps: low light levels, stable temperature and humidity levels, and limited handling.


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