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Finishing Compounds
Buffing and Polishing Compounds
Our products known as "MOCO Compounds" are recognized as the best for finishing Metals, Plastics, Wood and Glass.
"MOCO Compounds" are used in diverse applications in the: Metal Fabricating, Electronics, Fiber Optics, Semi-Conductor, Wood Working, Cutlery, Automotive, Jewelry, Aerospace and Firearms industries. |
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LAPPING SLURRIES
MOCO LAPPING SLURRIES are available in ready to use concentrations or as highly concentrated mixtures which must be diluted before being placed on the lapping surface through the use of a dual pump metering system. The spent lapping compound (effluent) is non-suspending, allowing for easy isolation of solids and liquids for disposal. All ingredients are non-hazardous.
MOCO lapping compounds are compatible with most lapping machinery in use; i.e. Crane, Spitfire, Speedfam, Lapmaster, Peter Wolters, P.R. Hoffman. These compounds can be formulated using virtually any grit size and type of abrasive.
RANGE OF APPLICATIONS
WATER BASE - silicon wafers, phenolic seals, quartz crystals, mechanical seals, valve parts, piston rings, spacers, fiber optic components, lawnmower blade/reel sharpening, backlapping.
OIL BASE - pump vanes, mechanical seals, hydraulic seals, bearings, spacers, gears.
Selection Procedure for Moco Lapping Slurries
1. CHOOSE VEHICLE TYPE
- Use liquids rather then pastes because of flexibility in use and manufacturing convenience.
- Use water bases when the customer cannot tolerate oil contamination. Use of water base will generally not eliminate cleaning problems.
- Use oil bases for all other applications.
2. SELECT ABRASIVE TYPES
- Choose silicon carbide for very hard (carbon steel) parts.
- Use aluminum oxide for most other applications.
- Employ specialty abrasives ONLY when customer has inflexible specifications.
3. SELECT ABRASIVE SIZE
- The same abrasive as in present use may produce a different finish when applied more efficiently. The new surface may be more refined or coarser.
- Several grades of abrasive are found in use. Obtain a small sample, and submit for comparison with prime graded raw materials.
- Use the chart below to make recommendations and selection.
| MICRON SIZE |
GRIT SIZE |
RECOMMENDATIONS
FOR USE |
GENERALLY APPLICABLE
ABRASIVE TYPES |
1/4
1/2
1 |
-
-
- |
Finest finishes for work of the highest precision. |
Boron Carbide
Diamond |
3
5 |
1,200
1,000 |
Final finishing: high surface refinement |
Boron Carbide
Diamond
Aluminum Oxide, Optical Aluminum Oxide |
9
12 |
900
800 |
Light cutting; final finish on many materials |
Aluminum oxide, Optical Aluminum oxide, Silicon carbide |
15
18
20
25 |
700
600
500
400 |
Medium to fast cutting; uniform, scratch-free finishes; final finish on some materials. |
Aluminum oxide, Optical aluminum oxide, Silicon carbide |
30
40
45 |
320
280
- |
Fast cutting; mat finish; prefinishing. |
Aluminum oxide, Optical aluminum oxide, Silicon carbide |
60
65
80
90
120
130 |
240
220
180
150
120
100 |
For roughing, stock removal, grinding, etc. Low grade finish. |
Silicon carbide |
We welcome the opportunity to consult with you regarding your particular problems and requirements and enable you to choose a buffing compound or polishing compound to suit your requirements. We are equipped to explore methods employing buffing and polishing wheels: abrasive belts: tumbling, dry, wet and submerged: and dry blasting, so that complete consideration of problems in these fields is available and our customers in turn recieve polishing compounds or buffing compounds to match their specifications. We solicit your inquiries.
- If you need any assistance with an application or product, fill out our Technical Assistance Form. We will reply as soon as possible.
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