ISO 20795-1:2008
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Dentistry Base polymers Part 1: Denture base polymers
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09-10-2018
07-29-2008
ISO 20795-1:2008 classifies denture base polymers and copolymers and specifies their requirements. It also specifies the test methods to be used in determining compliance with these requirements. It further specifies requirements with respect to packaging and marking the products and to the instructions to be supplied for use of these materials. Furthermore it applies to denture base polymers for which the manufacturer claims that the material has improved impact resistance. It also specifies the respective requirement and the test method to be used.
ISO 20795-1:2008 applies to denture base polymers such as those listed below:
- poly(acrylic acid esters);
- poly(substituted acrylic acid esters);
- poly(vinyl esters);
- polystyrene;
- rubber modified poly(methacrylic acid esters);
- polycarbonates;
- polysulfones;
- poly(dimethacrylic acid esters);
- polyacetals (polyoxymethylene);
- copolymers or mixtures of the polymers listed above.
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