Product range — actual catalogue images
The product images below are hosted on the manufacturer's official website (cra-machinery.com) and link directly to the manufacturer's catalogue. Click any image to view the full specification page in a new tab.
Polishing buff family — sisal, cotton, and treated cloth wheels for metal polishing across abrasive grades.
Color buff wheels with center plates — flag/pleated configurations for stainless steel and brass polishing.
Pleated cotton buff stack — for high-luster final polishing on jewelry, hardware, and decorative metalwork.
Buff types and applications
| Buff type | Construction | Best applications | FOB China typical price |
|---|---|---|---|
| Sisal cutting buff | Stiff sisal fiber, sewn or full-disc | Heavy stock removal, deburring, cutting initial scratches | USD 0.65-2.40 per buff (8" diameter) |
| Treated sisal buff | Sisal + adhesive treatment for added stiffness | Aggressive cutting, satin-finish prep | USD 0.85-3.20 per buff |
| Flag pleated cotton buff | Folded/pleated cotton cloth on center plate | Color buffing, luster finish, jewelry polishing | USD 0.55-2.20 per buff |
| Airway buff (perforated) | Cotton with center air passages, high RPM | High-speed automated polishing lines | USD 0.85-3.50 per buff |
| Full-disc buff | Solid cotton disc, sewn edges | Final polishing, mirror finish | USD 0.45-1.85 per buff |
| Sewn cotton buff (multiple ply) | Compressed cotton plies with sewn rows | General-purpose polishing, satin finish | USD 0.65-2.65 per buff |
| Treated cloth buff | Cotton with rouge / compound impregnation | Single-step polishing for production | USD 1.20-4.50 per buff |
| Wool buff | Pure wool, often with leather backing | Premium luxury jewelry finishing, watch cases | USD 4.50-18.00 per buff |
| Felt buff (hard / soft) | Compressed wool or synthetic felt | Specific-shape polishing, lens finishing | USD 2.20-9.50 per buff |
| Diamond-impregnated buff | Cotton/leather + diamond powder | Premium jewelry, high-precision finishing | USD 18-95 per buff |
Buff size and mounting
| Buff diameter | Common applications | Center hole / arbor |
|---|---|---|
| 3-4 inch (75-100mm) | Jewelry, small parts, hand-polishing on bench grinder | 1/2" or 5/8" arbor |
| 6-8 inch (150-200mm) | General hardware, plumbing fixtures, decorative metalwork | 5/8" or 3/4" arbor |
| 10-12 inch (250-300mm) | Larger automotive, marine, architectural metalwork | 3/4" or 1" arbor |
| 14-16 inch (350-400mm) | Industrial production polishing, automated lines | 1" or 1-1/4" arbor |
| 18-24 inch (450-600mm) | Large-part industrial polishing, cookware production | 1-1/2" or 2" arbor |
| Custom sizes 30+ inch | Specialty industrial applications | Custom arbor configuration |
Polishing compound progression
Industrial mirror-finish polishing typically progresses through three buff/compound combinations: (1) CUT — sisal buff with brown tripoli or treated sisal compound for stock removal and removing surface scratches; (2) COLOR — flag cotton buff with white rouge or blue compound to develop color and remove cut marks; (3) FINISH — soft cotton buff with red rouge for final luster. Each stage uses a separate dedicated buff (compounds shouldn't mix) and progressively softer wheel construction. Skipping stages produces inferior finish; over-using cut compound produces mirror-quality damage. Production polishing operations track buff inventory and compound consumption carefully — typical mid-volume jewelry shop uses 100-300 buffs and 50-200 lb of compound per month.
| Compound | Color | Abrasive content | Application |
|---|---|---|---|
| Black emery | Black | Aluminum oxide, coarse | Heavy stock removal, deburring |
| Brown tripoli | Brown | Tripoli, medium | Cutting brass, copper, aluminum |
| White rouge (jewelers rouge) | White | Calcined alumina or chalk, fine | Color buffing softer metals (silver, gold) |
| Red rouge | Red | Iron oxide, fine | Final luster on precious metals, jewelry |
| Green rouge | Green | Chrome oxide, fine | Premium stainless and chrome finishing |
| Blue compound | Blue | Specific abrasive, fine | Final polish on stainless steel |
| Greaseless compound (bar form) | Various | Oxide + adhesive base | Pre-polish prep, satin finish |
| Liquid compound (bottled) | Various | Suspended abrasive in liquid carrier | Automated polishing systems |
Buff-making machinery
| Machine type | Function | Production capacity | FOB China typical price |
|---|---|---|---|
| Sewing machine for buffs | Sew center plate to cotton/sisal disc | 1,000-3,000 buffs/shift (semi-auto) | USD 2,800-12,000 |
| Pleating machine | Fold cotton into pleats for flag buffs | 500-1,500 buffs/shift | USD 4,500-18,000 |
| Center-plate punching/forming machine | Form metal center plates for buff mounting | 2,000-8,000 plates/shift | USD 3,500-14,000 |
| Raking lathe (after-shaping) | Trim and shape finished buff to spec | 500-2,000 buffs/shift | USD 5,500-22,000 |
| Buff disc cutting machine | Stamp circular discs from cotton/sisal | 5,000-20,000 discs/shift | USD 4,500-18,000 |
| Compound impregnation line | Treat buffs with rouge/compound | 1,000-3,000 buffs/shift | USD 12,000-45,000 |
| Complete buff production line | Integrated production from raw cotton to finished buff | 2,000-5,000 buffs/shift | USD 65,000-180,000 |
Pricing brackets — wholesale
| Order tier | Total quantity | Discount | Container utilization | Lead time |
|---|---|---|---|---|
| Small distributor / hardware retail | 500-3,000 buffs total | List price; LCL | LCL | 15-30 days |
| Mid distributor / regional | 10,000-50,000 buffs | 5-15% | 20' container | 25-45 days |
| Large distributor / national | 100,000-500,000 buffs | 15-25% | 40' or 40HQ container | 35-60 days |
| OEM industrial / mass production | 1+ million buffs / private label | 22-32% | Multiple 40HQ containers | 45-90 days |
Order workflow — buff procurement
View the full supplier profile, certifications, contact details, and complete product catalogue.
CRA Machinery (China) — manufacturer of polishing buffs and buff-making machinery. Buff product range: sisal cutting buffs, treated sisal buffs, flag-pleated cotton buffs, airway buffs (perforated for high-RPM automated lines), full-disc cotton buffs, multi-ply sewn cotton buffs, treated cloth buffs (compound-impregnated), wool buffs (premium luxury finishing), hard and soft felt buffs, and diamond-impregnated buffs. Sizes 3"-24" diameter with various arbor configurations. Buff-making machinery: sewing machines for buff assembly, pleating machines for flag-buff production, center-plate punching/forming, raking and finishing lathes, buff disc cutting/stamping machines, compound impregnation lines, and complete buff production lines. Polishing compound: black emery, brown tripoli, white rouge, red rouge, green chrome rouge, specialty stainless compounds. Production capacity from small-batch (500 buffs/shift) through industrial (5,000+ buffs/shift) configurations.
- Application analysis — define what metals are being polished (steel, stainless, brass, aluminum, gold/silver, etc.) and target finish quality (satin, semi-bright, mirror); each requires different buff types and compound combinations
- Buff size selection — match diameter to existing polishing motor or grinder spindle speed; smaller buffs run higher RPM, larger buffs run slower to maintain proper surface speed
- Sample order — typically 50-200 buffs of each candidate variant; verify cotton/sisal quality, sewing/center-plate quality, dimensional accuracy
- Production trial — install on representative polishing operation for 2-4 weeks; measure buff service life vs production target, verify finish quality consistency
- First commercial order — typically 5,000-50,000 buffs mixed across 5-15 SKUs based on application demand
- Quality acceptance — incoming inspection for cotton/sisal density, dimensional accuracy, sewing integrity; document service-life data per shipment
- Series replenishment — quarterly or monthly orders aligned with consumption; typical buff service life 2-8 hours of polishing per buff (varies with metal and compound)
Frequently asked questions
Companion specialty industrial sourcing guide for adjacent industrial categories.
Companion capital-equipment procurement framework for buff-making line investment.
Companion specialty industrial materials guide.
Source: Product images on this page are hosted on the manufacturer's official website (cra-machinery.com) and link directly back to that website. All product information was summarised from the supplier's public catalogue.
Brand mentions and trademark compliance: References to Tier-1 polishing buff and compound manufacturer brands (Schaffner Magnetics, Anchor Buffing Wheel, Caswell, Eastwood, Norton-Saint Gobain) are made for the sole purpose of describing functional benchmarks. CRA Machinery is not authorized by, affiliated with, or endorsed by any of these brand owners. Products are aftermarket-fit cross-reference manufactured under CRA Machinery's own brand or buyer-private-label only.
Polishing operation safety: Industrial polishing operations create fire hazards (compound + buff dust), inhalation hazards (compound dust, polishing residue), and physical hazards (rotating equipment, ejected material). Polishing facilities must comply with local safety regulations: dust collection systems, fire suppression, personal protective equipment (eye protection, respirators, gloves), proper machine guarding. Compound and buff disposal must follow hazardous waste regulations where applicable.
Pricing & specifications: All price ranges, service-life figures, and tier definitions reflect general market observation. Real-world buff and compound consumption depends on metal type, polishing pressure, compound application rate, and operator technique. Confirm current pricing, MOQ, lead time, and configuration directly with the supplier.
No middleman role: CifyChina provides supplier discovery and editorial content. All transactions occur directly between buyer and supplier through the contact channels published on the supplier's official website.
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