Difference between revisions of "Marvelseal 360"
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Revision as of 10:29, 19 January 2021
Contents
Description
[Ludlow Corporation] A registered trademark for a barrier film made from Aluminum foil sandwiched between a transparent nylon film and layers of heat sealable Polyethylene. The nylon is adhered to the foil with a thin layer of polyethylene. Marvelseal 360 is strong, waterproof, vaporproof, and flexible. Originally made for military applications, Marvelseal 360 has found its way into museums and has been used to seal wooden packing crates, display cases, and storage shelves since 1980. It has also been used to create air-tight sealed enclosures for pest eradication. Paint does not adhere to Marvelseal very well but the surface can be covered with fabric. A foil back sealing tape is available to cover staples and pin holes.
Marvelseal products have the following parameters:
| Product | Structure | Thickness (mil) | Puncture resistance (lbs) | Tensile Strength (lbs/in) | Oxygen transmission (ml/m²d) | Water Vapor Transmission (gms/m²d) | Datasheets |
|---|---|---|---|---|---|---|---|
| Marvelseal 360 | Biax Nylon/PE/foil /PE/ LLDPE | 5.2 | 22 | 23-25 | 0.01 | 0.009 | Link |
| FR 2175 (formerly Marvelseal 470) | OPP / PE / foil / PE | 5 | 15 | 29-34 | 0.01 | 0.009 | Link |
| Marvelseal 585 | Tyvek / PE / foil / EVA | 8.5 | 25 | 38-40 | 0.08 | 0.008 | Link |
| Marvelseal 1311 | Scrim / PE / foil / /PE | 12 | 33 | 23 | x | 0.008 | Link |
| Marvelseal 1312 | Kraft paper / PE / foil / PE | 7.7 | 65 | 26-27 | 0.01 | 0.008 | Link |
Synonyms and Related Terms
FR 2175 (formerly Marvelseal 470); Marvelseal 585; Marvelseal 1311; Marvelseal 1312; Foil o wrap
Applications
- Lining shelves and shipping crates to minimize off-gassing of wood products
- Create anoxic pouches for pest eradication or long-term storage
- Sealed packages for exhibition and loan (esp for works on paper, paintings, lining inside of frames)
- Protective covers for cabinets and cultural heritage objects
Personal Risks
Talas: [MarvelSeal 360 SDS]
Collection Risks
Aged Marvelseal can emit an odor.
Links to Oddy Test results posted on AIC Wiki Materials Database Pages for individual materials below
- Marvelseal 360 (MMA): tested in 2018; temporary
Environmental Risks
Physical and Chemical Properties
Marvelseal 360 Specifications:
- Layer 1: Biaxially Oriented Nylon, 0.6 mil
- Layer 2: Polyethylene, 1.4 mil
- Layer 3: Aluminum Foil, 0.0003 mil
- Layer 4: Polyethylene, 1.2 mil
- Layer 5: Linear Low-Density Polyethylene, 1.5 mil
Total Thickness: 5.2 Mils
MVTR (Moisture Vapor Transfer Rate): 0.009 gms/m²/day (0.0006 gms/100² inches) @ 90% RH, 100°F
OTR (Oxygen Transfer Rate): 0.01 ml/m²d (0.0006 cc/100² inches) @ 0 RH, 73°F
Resistance to grease and oils is good and the dimensional stability at high percent RH is good. Heat seals at 350°F. Maximum temperature recommended for use is 400°F.
Working Properties
Forms/Sizes
The film is sold in rolls either 36" or 48" in width and lengths up to 200 yds. Also available as premade pouches in sizes (in.) 9x12, 12x16 and 17x22.
Application
This video demonstrates the application of Marvelseal 360 onto wood with a household iron.
Video: click here. Credit: 2015 Museum of Fine Arts, Boston
The heat from the iron seals the Marvelseal to the wood and provides a vapor barrier. Application works best with iron set at highest heat level. Keep iron moving otherwise it will get stuck on the Marvelseal and tear it. For best results, the entire piece of wood must be completely covered with Marvelseal. If the Marvelseal tears, simply cut a small piece of Marvelseal and iron it onto the torn spot.
- Adhesives stick better to exterior than interior
- A matte black paint, such as Blac-Stat, can minimize light reflections from the aluminum foil.
Resources and Citations
- Protective Packaging: Datasheets
- Materials Working Group: Submissions from January 2021.
- Rachael Perkins Arenstein, Lisa Goldberg, and Eugenie Milroy, ‘Support and Rehousing for Collection Storage’ In ‘Preventive Conservation: Collection Storage’ Lisa Elkin and Christopher A. Norris (eds.), Society for the Preservation of Natural History Collections, New York. 2019.
- Preparation, Art Handling, Collections Care Information Network (PACCIN)
- Conservation Support Systems Website: https://conservationsupportsystems.com/product/show/marvelseal-360-barrier/barrier-films
- Gaylord Archival Website: https://www.gaylord.com/Preservation/Conservation-Supplies/Wrapping,-Lining-&-Support-Materials/Marvelseal&%23174;-360-Barrier-Film-(50-ft-)/p/M3650
- Pam Hatchfield, Pollutants in the Museum Environment, Archetype Press, London, 2002
- Conservation Support Systems, Catalog, 1997
- Teri Hensick, contributed information, 1998
- SPNCH at www.spnchorg.concom/supplies_cdn.htm (accessed 3/17/04) - lists Marvelseal 470 as polypropylene / polyethylene / aluminum / polypropylene
