Dental material color stability tester
The Dentistry Base Polymer Search Stability tester evaluates color stability of dental base polymers (used in restorations like dentures) under varied conditions (light, temp, humidity). It records initial and subsequent color of samples to assess changes. This helps dentists and technicians choose better materials, improving repair effectiveness and durability, and aids manufacturers in enhancing product performance.
Standards
YY0270.1-2011:Dentistry - Base polymers - Part 1: Denture base polymers
YY/T0631-2008:Dental materials - Determination of colour stability
ASTM C1442:Standard Practice for Conducting Tests on Sealants Using Artificial Weathering Apparatus
ASTM C1501:Standard Test Method for Color Stability of Building Construction Sealants as Determined by Laboratory Accelerated Weathering Procedures
ASTM D3424:Standard Practice for Evaluating the Relative Lightfastness and Weatherability of Printed Matter
ASTM D5071:Standard Practice for Exposure of Photodegradable Plastics in a Xenon Arc Apparatus
ASTM D6695:Standard Practice for Xenon-Arc Exposures of Paint and Related Coatings
ASTM G151:Standard Practice for Exposing Nonmetallic Materials in Accelerated Test Devices that Use Laboratory Light Sources
ASTM G155:Standard Practice for Operating Xenon Arc Light Apparatus for Exposure of Non-Metallic Materials
COLIPA in-vitro UVA (2011):Method for in vitro determination of UVA protection
EPA/ASTM E896:Standard Test Method for Conducting Aqueous Direct Photolysis Tests
Technical parameter
| Project | Details |
|---|---|
| Control System | PLC |
| Operation Interface | Color touch screen with Chinese-English switching |
| Light Source | Illuminance of 150.000 lx with an accuracy deviation not exceeding 10% |
| Color Temperature Range | 5000K - 10000K |
| Filter | Light transmittance greater than 90% |
| Test Chamber | Water temperature range: 0 - 99°C; Test temperature: 37°C; Adjustable water temperature with temperature display |
| Clamp | 304 stainless steel clamp with an outer diameter of 50MM and a thickness of 0.5MM |
| Polyurethane Film | Thickness ranging from 50μm to 0.5MM |
| Built-in Dial Indicator of the Equipment | Range: 0 - 25.5MM; Precision: 0.01MM |
| Standard | 15L constant-temperature tank with a temperature range of 0 - 99°C |
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