Alginate impression materials, derived from natural seaweed extracts, are indispensable in both dental practices and 3D mold casting applications. Their ease of use, rapid setting times, and ability to capture fine details make them a preferred choice for professionals. Depending on specific requirements, alginate impression materials are available in three types: Universal, High Precision, and Super High Precision.
Types of Alginate Impression Materials
Universal Type
- Color: Green
- Applications: Suitable for general dental impressions, preliminary models, and basic 3D mold casting.
- Features: Offers a balance between ease of use and detail reproduction, making it ideal for routine procedures.
High Precision Type
- Color: Purple
- Applications: Designed for detailed dental impressions, orthodontic models, and more intricate 3D casting projects.
- Features: Provides higher accuracy and finer detail capture compared to the Universal type.
Super High Precision Type
- Color: Orange
- Applications: Best suited for highly detailed dental work, such as crowns and bridges, as well as complex 3D mold casting.
- Features: Delivers the highest level of precision and detail reproduction among the three types.
Technical Specifications
| Parameter | Universal Type | High Precision Type | Super High Precision Type |
|---|---|---|---|
| Powder-to-Water Ratio | 10g:22ml | 10g:23ml | 10g:23ml |
| Mixing Time | 30 seconds | 30 seconds | 30 seconds |
| Total Working Time | ≥90 seconds | ≥90 seconds | ≥90 seconds |
| Time in Mouth | 40 seconds | 40 seconds | 40 seconds |
| Elastic Recovery | 97% | 97% | 98% |
| Permanent Deformation | 16% | 15% | 12% |
| Compressive Strength | 0.5 MPa | 0.55 MPa | 0.6 MPa |
| Tear Strength | 0.38 N/mm | 0.4 N/mm | 0.48 N/mm |
| Detail Reproduction | 50 μm | 48 μm | 45 μm |
| Compatibility with Plaster | Yes | Yes | Yes |
Applications
Dental Applications
Alginate impression materials are widely used in dentistry for creating accurate molds of teeth and gums. They are essential in procedures such as:
- Fabrication of dental prosthetics (e.g., dentures, crowns, bridges)
- Orthodontic modeling
- Preliminary impressions for various dental treatments
3D Mold Casting
Beyond dentistry, these materials are also employed in 3D mold casting for creating detailed models of body parts, such as hands and feet. This application is popular in:
- Artistic sculptures
- Life casting projects
- Custom prosthetics manufacturing
Usage Guidelines
Mixing Ratios
- Dental Applications: 100g powder to 200ml water (1:2 ratio)
- 3D Mold Casting: 100g powder to 300ml water (1:3 ratio)
Instructions
- Measure the appropriate amount of water and pour it into a clean mixing bowl.
- Gradually add the alginate powder to the water.
- Stir vigorously for 30 seconds until a smooth, homogeneous mixture is achieved.
- Promptly load the mixture into the impression tray or mold.
- Place the tray or mold onto the desired area and allow it to set for the recommended time.
- Carefully remove the set impression and proceed with the necessary procedures.
Packaging and Storage
- Packaging: Available in 500g bag, 25kg bag(customized); 24 bags per carton.
- Storage Conditions: Store in a cool, dry place below 25°C. Keep the container tightly closed to prevent moisture absorption.
- Shelf Life: 3 years from the date of manufacture.
For more information or to place an order, please contact our sales team. We are committed to providing high-quality alginate impression materials to meet your professional needs.
