Busch Taper (Cone) Flat Abrasive | Busch No. 649 025 – Green – HP | Pack of 6
The medium grit abrasive for ceramic acrylic metal alloys from Busch & Co. is a professional-grade finishing and surface preparation tool engineered for demanding dental laboratory applications. Supplied in a convenient pack of six, this green-coded abrasive (Item 649 025 HP) is classified under ISO standard 655 104 171 523 025, ensuring compatibility and consistent performance across laboratory workflows.
Key Features
- Grit: Medium
- Compatible Materials: Ceramic, Acrylic, Metal Alloys
- ISO Classification: 655 104 171 523 025
- Pack Quantity: 6 units
- Color Code: Green
- Shank: HP (Handpiece)
Instrument Dimensions
| Head Ø | 2.5 mm (ISO size 025) |
|---|---|
| Shank | HP (Straight Handpiece) — 2.35 mm Ø, 44.5 mm overall length (ISO 104) |
Per ISO 6360, the size number is the maximum head diameter in tenths of a millimeter. See our Busch Bur Size Chart for the full size conversion table, shank codes, and color ring guide.
Applications
The medium grit abrasive for ceramic acrylic metal alloys is well-suited for the following dental laboratory applications:
| Crown and Bridge Technology — Shaping, trimming and finishing of crown and bridge frameworks in the laboratory. | |
| Veneering/Ceramic Technology — Contouring, adjustment and finishing of veneering ceramics and all-ceramic restorations. | |
| Plastics Technology — Shaping, trimming and finishing of acrylic dentures and appliances. |
German Engineering Quality
Manufactured to exacting standards in Germany, this medium grit abrasive for ceramic acrylic metal alloys reflects Busch & Co.'s long-standing commitment to precision, durability, and reliability in dental laboratory instrumentation.

FAQ
What materials is this abrasive designed for? This abrasive is specifically formulated as a medium grit abrasive for ceramic acrylic metal alloys, making it suitable for ceramic, acrylic, and metal alloy dental restorations.
What does the green color code indicate? The green color code typically denotes medium grit in the Busch abrasive range, helping technicians quickly identify the appropriate instrument for their application.
How many units are included? Each order includes a pack of 6 abrasives (649 025 HP), offering excellent value for busy dental laboratories.
