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  • [The porosity, microhardness, roughness and internal stresses of PMMA base materials in relation to their isolation. 1. Porosity and microhardness].

[The porosity, microhardness, roughness and internal stresses of PMMA base materials in relation to their isolation. 1. Porosity and microhardness].

Zahn-, Mund-, und Kieferheilkunde mit Zentralblatt (1989-01-01)
P Lockowandt, H Loges, I V Wagner
摘要

Selected material properties of hot and cold polymerized denture basic materials (polymethylmethacrylate) were investigated after different methods of isolation: alginate, tin foil and silicone. Both tin foil and silicone isolation the handling of which is much easier result in a decreased portion of porosities and an increased microhardness in the PMMA.

材料
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产品描述

锡, foil, 150x150mm, thickness 0.20mm, as rolled, 98.8%
锡, foil, 0.5m coil, thickness 0.009mm, 97.4%
锡, foil, 100x100mm, thickness 0.125mm, as rolled, 98.8%
锡, foil, 100x100mm, thickness 0.125mm, as rolled, 99.99+%
锡, foil, 100x100mm, thickness 0.15mm, as rolled, 98.8%
锡, foil, 100x100mm, thickness 0.15mm, as rolled, 99.99+%
锡, foil, 100x100mm, thickness 0.1mm, as rolled, 98.8%
锡, foil, 100x100mm, thickness 0.1mm, as rolled, 99.95%
锡, foil, 100x100mm, thickness 0.20mm, as rolled, 98.8%
锡, foil, 100x100mm, thickness 0.25mm, as rolled, 98.8%
锡, foil, 100x100mm, thickness 0.25mm, as rolled, 99.99+%
锡, foil, 100x100mm, thickness 0.5mm, as rolled, 98.8%
锡, foil, 100x100mm, thickness 0.5mm, as rolled, 99.99+%
锡, foil, 100x100mm, thickness 0.65mm, as rolled, 99.99+%
锡, foil, 100x100mm, thickness 0.75mm, as rolled, 99.99+%
锡, foil, 100x100mm, thickness 1.0mm, as rolled, 98.8%
锡, foil, 100x100mm, thickness 1.0mm, as rolled, 99.99+%
锡, foil, 100x100mm, thickness 1.0mm, as rolled, 99.999%
锡, foil, 100x100mm, thickness 1.5mm, as rolled, 99.99+%
锡, foil, 100x100mm, thickness 2.0mm, as rolled, 98.8%
锡, foil, 100x100mm, thickness 2.0mm, as rolled, 99.99+%
锡, foil, 150x150mm, thickness 0.125mm, as rolled, 98.8%
锡, foil, 150x150mm, thickness 0.125mm, as rolled, 99.99+%
锡, foil, 150x150mm, thickness 0.15mm, as rolled, 98.8%
锡, foil, 150x150mm, thickness 0.1mm, as rolled, 98.8%
锡, foil, 150x150mm, thickness 0.1mm, as rolled, 99.95%
锡, foil, 150x150mm, thickness 0.25mm, as rolled, 98.8%
锡, foil, 150x150mm, thickness 0.25mm, as rolled, 99.99+%
锡, foil, 150x150mm, thickness 0.5mm, as rolled, 98.8%
锡, foil, 150x150mm, thickness 0.5mm, as rolled, 99.99+%

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