Difference between revisions of "Parafilm M"
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== Description == | == Description == | ||
| − | [American Can Co.] A registered trademark for a stretchable plastic film. | + | [American Can Co.] A registered trademark for a stretchable plastic film. Parafil®m M is composed primarily of [[polyolefin|polyolefins]] and [[paraffin|wax paraffin wax]] without any added plasticizers. It is a self-sealing, moldable, film that is permeable to [[oxygen|oxygen]] and [[carbon|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 == | == Synonyms and Related Terms == | ||
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Parafilm M (sp) | Parafilm M (sp) | ||
| − | == | + | == 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| Technical Data Sheet]] | |
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| − | == | + | ==Resources and Citations== |
T. Drayman Weisser, "A Method for Reinforcing Fragile Ivory" ''JAIC'' 17(2): 44-47, 1978: [http://aic.stanford.edu/jaic/articles/jaic17-02-005_indx.html Link] | T. Drayman Weisser, "A Method for Reinforcing Fragile Ivory" ''JAIC'' 17(2): 44-47, 1978: [http://aic.stanford.edu/jaic/articles/jaic17-02-005_indx.html Link] | ||
| − | + | * Website: www.probes.com/probes/legal/html | |
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| − | * Website | ||
* Teri Hensick, contributed information, 1998 | * Teri Hensick, contributed information, 1998 | ||
Latest revision as of 11:03, 26 July 2022
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)
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: [Technical Data Sheet]
Resources and Citations
T. Drayman Weisser, "A Method for Reinforcing Fragile Ivory" JAIC 17(2): 44-47, 1978: Link
- Website: www.probes.com/probes/legal/html
- Teri Hensick, contributed information, 1998