Difference between revisions of "Parafilm M"
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Parafilm M (sp) | Parafilm M (sp) | ||
| − | == | + | == Applications == |
| + | |||
| + | == Personal Risk == | ||
| + | |||
| + | == Collection Risks == | ||
| + | |||
| + | == Physical and Chemical Properties == | ||
Slightly soluble in carbon tetrachloride. Insoluble in ethanol, water. Unaffected by acids, alkalis for up to 48 hours. | Slightly soluble in carbon tetrachloride. Insoluble in ethanol, water. Unaffected by acids, alkalis for up to 48 hours. | ||
| − | For a 1 mil film: Oxygen transmission = 150 ml/m2d | + | For a 1 mil film: |
| + | *Oxygen transmission = 150 ml/m2d | ||
| + | *Water vapor transmission = 3-4 g/m2d | ||
| + | *Melting Point=60 C | ||
| − | + | Sigma: [[https://www.sigmaaldrich.com/content/dam/sigma-aldrich/docs/Sigma/Product_Information_Sheet/1/p7543pis.pdf| Safety Data Sheet]] | |
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== Additional Information == | == Additional Information == | ||
Revision as of 12:20, 18 May 2020
Description
[American Can Co.] A registered trademark for a stretchable plastic film. Parafil®m M is composed primarily of polyolefins and wax paraffin wax without any added plasticizers. It is a self-sealing, moldable, film that is permeable to Oxygen and dioxide carbon dioxide. Parafilm® M is used as a liquid and moisture barrier film for short term storage. It has also been used as a temporary supporting strip for ivory (Weisser 1978).
Synonyms and Related Terms
Parafilm M (sp)
Applications
Personal Risk
Collection Risks
Physical and Chemical Properties
Slightly soluble in carbon tetrachloride. Insoluble in ethanol, water. Unaffected by acids, alkalis for up to 48 hours.
For a 1 mil film:
- Oxygen transmission = 150 ml/m2d
- Water vapor transmission = 3-4 g/m2d
- Melting Point=60 C
Sigma: [Safety Data Sheet]
Additional Information
T. Drayman Weisser, "A Method for Reinforcing Fragile Ivory" JAIC 17(2): 44-47, 1978: Link
Sources Checked for Data in Record
- Website address 1 Comment: www.probes.com/probes/legal/html
- Teri Hensick, contributed information, 1998