Polishing Powders, Paste, and Suspensions

Alumina Powder

EMS's Alumina Powders are accurately controlled for all specs and particle size distribution, assuring you the best polishing results. The following micron sizes are available: 0.05, 0.3, and 1.0.

Typical applications are

• Precision Optics
• Metallographic Sections
• Electro-Optical Crystals
• Silicone Wafers
• Ferrite Components
• Gem Stones
• Acrylic lenses

Type DX Alumina Powder is specially treated to reduce the number of agglomerates (group of particles in each grade of manufactured alumina). The result is fast polishing and improved quality of the finished products.

Type N Alumina Powder is recommended when these improvements are not necessary.

Diamond Powder

Made from synthetic diamond.

Silcone Carbide Powder SiC

Dark gray 98% SiC. Hardness, Moh's scale 9.0; Knoop Scale 2500.
Crystallography: hexagonal – alpha and beta phase.

Boron Carbide Powder (B₄C)

Boron Carbide is one of the hardest materials known, ranking third behind diamond and cubic boron nitride.

• Extreme hardness, (Knoop 100g: 2900-3580 kg/mm2)
• Good chemical resistance
• Good nuclear properties
• Low density (2.52 g/cm2)

Due to the hardness, boron carbide powder is used as an abrasive in polishing and lapping applications.

Aluminum Oxide Powder – Al₂O₃

These are abrasive powders that are prepared from aluminum oxide, offering excellent coarse and intermediate polishing, with fast results.

Alumina Slurry

These suspensions are water-based and contain no additives, which may interfere with polishing or contaminate the sample. All slurries are very stable and alumina is evenly dispersed. Excellent for the finest finishes.

Colloidal Alumina

As an acidic dispersion, Colloidal Alumina is a chemical-mechanical action, that provides superior surfaces on germanium, silicon, gallium arsenide, zinc sulphide, fluorides, sapphire, ferrite's and silicon carbide. Low scatter finishes can be obtained on pure metals such as nickel, tungsten, copper, beryllium, steel and aluminum. Epoxy resin materials and plastics have also been successfully polished with this versatile colloidal dispersion.

Properties: pH: 3-3.5; Solids: 20%; Viscosity: thixotropic.

Application: Depending upon the application, Colloidal Alumina can be used full strength or diluted. Dilution up to 1:1 or higher with deionized water is recommended. Polyurethane and short nap cloths are recommended. However, most commonly used laps and pads are compatible with colloidal alumina.

Colloidal Silica

This non-crystallizing Colloidal Silica is made to be user friendly. It eliminates the problems that are caused by drying or freezing that are associated with other colloidal silica products which are used for chemical/mechanical polishing.

Colloidal silica is a first choice silica dispersion for optimizing polishing results such as silicon, fused quartz, fused silica, lithium niobate, YAZ, GGG, alexandrite, sapphire and many others.

Application: Colloidal silica can be used full strength or diluted. Dilution to 1:1 or higher with deionized water is recommended. Polyurethane and short nap cloths can be used.

Specifications

Diamond Compounds

With great experience, technical knowledge, and modern facilities, we are able to manufacture superior diamond compounds and provide reliable service to every one.

Glennel® diamond products are specially formulated to help you prepare surfaces that are usually difficult to polish and require precision finish. To satisfy today's demand the diamond compounds must be complex with near perfect tolerances as is ours.

Types of Diamond:

We use three basic types of diamonds: natural monocrystalline, synthetic monocrystalline, and synthetic polycrystalline. Typical sizes range from 1/10µm to 60µm.

MONOCRYSTALLINE diamonds provide a cost effective means for good stock removal and finish. The natural form has a blocky shape with a smooth surface. Synthetic diamonds have a slightly irregular shape with multiple edges. Precision grading and high quality standards guarantee consistent shape and size. This consistency and unique shape make this a popular diamond for many production-lapping applications.

POLYCRYSTALLINE diamonds are recommended for microscopy, materialography, and where surface finish is extremely critical. We use the highest quality polycrystalline diamonds. It has a uniform blocky shape with a rough surface. Precision microfractures built into each particle provide uniform and consistent fracturing under stress.

1. Diamond Paste

Glennel® UB Formulation is excellent for most applications where a diamond compound is desired. It is soluble in either water or oil and works with all common extenders. UB compound is recommended for polishing laboratory specimens and lapping of materials such as carbide, ceramic, sapphire, composites, ferrite, and silicon.

Glennel® UC Formulation is an oil soluble compound recommended for finishing wire dies, molds, cold heading dies, and general shop applications where diamond compounds are required. UC provides fast cutting action and superior finish. Meant to be used with our Formula C extender for maximum efficiency.

Glennel® OS Formulation is an oil soluble compound designed for lapping large areas of hard material. Use alone or with an extender it cleans up easily, provides aggressive stock removal and an outstanding finish.

Ordering

All Diamond Pastes are available as a standard in 5 g size dispensing tube UB or UC and UBS or UCS. 18 g sizes are available upon request.

Formulation Type:

UB - Water/Oil Soluble (Monocrystalline)

UC – Oil Soluble (Monocrystalline)

UBS – Water/Oil Soluble (Polycrystalline)

UCS – Oil Soluble (Polycrystalline)

2. Diamond Suspension

Glennel® Diamond Suspension assures a consistent, uniform viscosity and dispersion of diamond without any shaking or stirring. The proprietary formulation guarantees that the particles will stay suspended indefinitely. It is ideal for automatic polishers and applications that require changing operators.

A versatile, water based suspension designed for most production applications. This special formulation provides:

• Excellent lubrication
• Uniform fast lapping action
• Maximum cutting action
• Compatible with all common extenders.

Ordering

All Diamond Suspensions are packed in 400g bottles and have Medium Concentration prepared with Premium Polycrystalline Diamond in either Propylene Glycol (Oil based) or Water based formulas.

3. Diamond Spray

Glennel® Diamond Aerosol Spray provides unsurpassed cutting action and finish. The inverted nozzle provides safe and easy access for difficult to reach areas while ensuring that every diamond particle is used. Special formulations allow the carrier to evaporate quickly, leaving a very uniform dispersion of diamond. This is especially useful when an operation requires a dry polishing cloth.

Ordering

Our Diamond Spray is available in 5 oz cans.

4. Lapping Solutions

Glenoil Lube – Lapping vehicle is the ideal lap oil for all Glennel® UB Compounds and Diamond Sprays. It assures continued separation of diamond particles and constant removal of lap debris.

Formula C is made especially for oil soluble compounds, such as Glennel® UC and US listed above. This penetrating formula is specially designed to enhance cutting action and leave a superior finish.

Formula B is a universal lapping vehicle, compatible with both water and oil soluble compounds. It is ideal in an environment where materials change constantly. This very versatile formulation allows you to change materials and compounds and still provides excellent lubricity and cutting action.

50376-01	Glenoil Lube		16 oz
50376-05	Formula C Lube		16 oz
50376-10	Formula B Lube		16 oz

Наименование	Объем	Производство	Метод	Кат.Номер
Алмазная суспензия на масляной основе для заточки ножей, зерно 0,1 мкм, 400 г		Electron Microscopy Sciences		EMS 50372-10
Алмазная суспензия на масляной основе для заточки ножей, зерно 0,25 мкм, 400 г		Electron Microscopy Sciences		EMS 50372-20
Алмазная суспензия на масляной основе для заточки ножей, зерно 0,5 мкм, 400 мл		Electron Microscopy Sciences		EMS 50372-30