Pearl Stone Die Stone Type 4 (Red Stone) is an ultra-hard, high-strength dental gypsum material manufactured by Asian Chemicals. Classified under ADA Type IV, it is refined from highly calcined mineral gypsum and specifically engineered for constructing master casts and removable dies. Its red color provides a strong visual contrast, making it easy to see fine tooth margins when fabricating crown, bridge, inlay, or implant prosthetics.

It is particularly suited for use in dental labs for fabricating crowns, bridges, and other dental restorations. The material is easy to mix and sets quickly, ensuring efficient workflow in dental practices.

Specification

The Die Stone is composed of high-strength gypsum with a fine particle size, ensuring smooth surface finishes. It conforms to ISO 6873 standards for dental stone materials. Each pack contains 3kg of die stone, and it is recommended to store in a cool, dry place to maintain its properties.

Advanced Technical Features & Benefits

• Micron-Level Accuracy: The fine particle size reproduces the exact anatomy of a patient's mouth down to the micron level. This ensures that crowns and bridges fit perfectly with minimal chairside modifications.
• Resistant to Chipping: Type 4 stone features an exceptionally high compressive strength and surface hardness. This allows lab technicians to safely trim, carve, or articulate the model with dental blades without chipping or breaking delicate margins.
• Thixotropic Flow Properties: The slurry fluid balances handling and pourability. It flows effortlessly into the deepest tooth crevices under light vibration, eliminating trapped air voids and surface defects.
• Excellent Dimensional Stability: The low setting expansion rate ensures the hardened gypsum model does not warp or change sizes as it transitions from a wet mixture to a completely dry stone model.

Usage

This die stone is used in the dental lab for creating accurate impressions and models for various dental procedures. It is essential to mix the stone with water according to the manufacturer's instructions for optimal results. Proper handling and storage will ensure the longevity and effectiveness of the material.