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Dental Impression Material
Hygedent General
Dental Alginate-Hygedent-General Dental impression is a negative imprint of hard (teeth) and soft tissues in the mouth from which a positive reproduction (or cast) can be formed. They are made by using a container which is designed to roughly fit over the dental arches (“trays”). Impression materials are designed to be liquid or semi-solid when first mixed and placed in the tray, and then quickly set to a solid (usually a few minutes depending upon the material), leaving an imprint of the structures in the mouth.
Characteristics:
Technical Data:
| Test ltem | ISO 1563 | Hygedent |
|
Powder water proportion |
16g/32ml |
|
|
Mixing time |
Factory stipulation |
30” |
|
Total working time |
Factory stipulation |
1′ 30” |
|
Time in mouth |
Factory stipulation |
1′ 30” |
|
Setting time |
Factory stipulation |
3′ |
|
Reappearance |
50μm |
50μm |
|
Elastic recovery |
≥95 % |
97 % |
|
Permanent deformation |
5~20 % |
16 % |
| Compressive strength |
≥0.35 Mpa |
＞0.5 Mpa |
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