Dental material color stability tester

Product description

The Dentistry Base Polymer Search Stability tester is an instrument used to evaluate the color stability of dental base polymers under different environmental conditions. A base polymer is a material used for dental restoration and correction, such as dentures, braces, dentures, etc.

Due to long-term use and the influence of the external environment, these base polymers may undergo color changes, affecting their beauty and durability. The color stability tester evaluates the color change of the base polymer under these conditions by simulating different environmental conditions, such as light, temperature, humidity, etc. Testers usually use standardized test methods and parameters to ensure the accuracy and comparability of test results.

During the test, a sample of the base polymer is placed in a tester and exposed to predetermined environmental conditions. The tester records the initial color of the sample and re-measures the color of the sample after a certain interval. The color stability of the base polymer can be assessed by comparing the initial color with the color of subsequent measurements.

The use of this tester can help dentists and technicians to select polymer materials with better color stability, thereby improving the effectiveness and durability of repairs and corrections. At the same time, manufacturers can use this tester to evaluate and improve the color stability performance of their products.

Enforce standards

YY0270.1-2011 and YY/T0631-2008.

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

GB/T 8427

Textiles - Tests for color fastness - Color fastness to artificial light: Xenon arc fading lamp test

GB/T 16422

Plastics -- Methods of exposure to laboratory light sources -Part 2: Xenon-arc lamps

ICH Q1B

Q1B Photostability Testing of New Drug Substances and Products

ICH Q5C

Stability testing of Biotechnological / Biological products

ISO 4049

Dentistry -- Polymer-based restorative materials

ISO 7491

Dental materials -- Determination of colour stability

ISO 4892-1

Plastics - Methods of exposure to laboratory light sources - Part 1: General guidance

ISO 4892-2

Plastics - Methods of exposure to laboratory light sources - Part 2: Xenon-arc sources

ISO 10977

Photography -- Processed photographic colour films and paper prints -- Methods for measuring image stability

ISO 11431

Building construction -- Jointing products -- Determination of adhesion/cohesion properties of sealants after exposure to heat, water and artificial light through glass

ISO 11979-5

Ophthalmic implants -- Intraocular lenses -- Part 5: Biocompatibility

ISO 24443

Determination of sunscreen UVA photoprotection in vitro

L’OREAL QAC-MC-151-O

Accelerated ageing under light

OECD 495

Reactive Oxygen Species (ROS) Assay for Photoreactivity

OECD 432

OECD Guideline for testing of chemicals. In Vitro 3T3 NRU phototoxicity test

VICH GL5

Guideline On Stability Testing: Photostability Testing of New Veterinary Drug Substances and Medicinal Products

Technical parameter:

Control system :PLC;

Operation interface: color touch screen, Chinese and English switch;

Light source: illuminance is 150 0001X----- accuracy is not biased to 10%;

Color temperature range :5000K-10000K;

Filter: transmittance greater than 90%;

Test box: Water temperature 0-99 degrees, test temperature 37 degrees,

water temperature can be adjusted with temperature display;

Clip :304 stainless steel clip outer diameter 50MM, thickness 0.5MM;

Polyurethane film: thickness of 50UM-- 0.5MM;

The device comes with a dial indicator :0-25.5MM, fine 0.01MM;

Standard :15L constant temperature tank, temperature 0-99 degrees.