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Aluminum Oxide Plastic Lens Polishes
Ferro is a leading global manufacturer of high-purity, alumina-based plastic lens polishing compounds that deliver the excellent polishing performance and high-quality finished surfaces required for optical lens surfacing.
Aspire™ is Ferro’s premium alumina polishing slurry product formulated to be used with digital/freeform and conventional prescription lens polishing processes. It can be used to polish all resin-based ophthalmic lens substrates.
All our aluminum oxide products are manufactured to tightly controlled requirements assuring our customers of the best possible outcome and consistent product performance from batch to batch.
ALUMINUM OXIDE PLASTIC LENS POLISHING SLURRY PRODUCTS AND APPLICATIONS
| PRODUCT NAME | PRODUCT GRADE | SURFACE QUALITY | PARTICLE SIZE (µm) TYPICAL PROPERTIES |
Baumé TYPICAL PROPERTIES |
pH TYPICAL PROPERTIES |
SUSPENSION TREATED | APPLICATION |
| Aspire(TM) 900 | Premium | Excellent | D50: 1.3 - 1.8 | 20 Minimum | 3.2 - 4.2 | Yes | Optimum Choice for Digital/Freeform and Conventional Polishing Applications |
| 714Y | High End | Excellent | D50: 1.8- 2.2 | 24 Minimum | 3.2 - 4.2 | Yes | Optimum Choice for Conventional Lens Polishing. Good for Digital/Freeform Polish Applications |
| 763 | Intermediate | Good | D50: 2.4 - 3.4 | 20 Minimum | 3.0 - 4.2 | Yes | Good for Conventional Polishing and Digital/Freeform Polish Applications |
| 774 | Economy | Very Good | D50: 1.9 - 2.2 | 18 Minimum | 3.2 - 4.2 | Yes | Suitable for Conventional Polishing and Digital/Freeform Polish Applications |
ALUMINUM OXIDE PLASTIC LENS POLISHING POWDER PRODUCTS AND APPLICATIONS
| PRODUCT NAME | PRODUCT GRADE | SURFACE QUALITY | PARTICLE SIZE TYPICAL PROPERTIES (µm) |
APPLICATION |
| 721 | Intermediate Fine Grain |
Excellent | D50: 1.5 - 3.0 | Good for Polishing Contact Lenses |
| 722 | Fine Grain | Superior | D50: 0.4 - 1.5 | Optimum Choice for Polishing Contact Lenses and IOL (Intraocular Lenses) |
Ferro also offers other powder and slurry materials available upon request.
ALUMINUM OXIDE PLASTIC LENS POLISH PRODUCTS - KEY FEATURES
- Tightly controlled particle distribution ensures high quality polished surfaces
- Excellent suspension characteristics ensures uniform polish distribution for more consistent polishing performance with high stock removal rate
- Stable Baumé throughout the life of the polish
- Low polish carry out reduces polish consumption and reduces cost of ownership
- Low foaming and easy clean formulations
- Delivers outstanding results with today’s most advanced digital free form polishers as well as with conventional-lap based polishers
VALUE ADDED SERVICES
With over 40 years of surface finishing experience, Ferro’s research, development and analytical resources enable us to develop unique polishes and abrasives for polishing a variety of substrates, including plastic, glass, clear coat automotive, and sapphire.
Our expertise in abrasive particle development and manufacturing technology enables us to optimize the physical and chemical properties of particles that allows our customers to develop optimal polishing applications.
