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emma@ramabrasives.com 86-13866745375

5” Zirconia Flap Disc for Grinding

Brand Name: RAM
Item No: RAM-T27FLP125
Abrasives:Zirconia
Backing Material:Poly-cotton /cotton cloth
Color: Blue
O.D.(mm):125
Arbor(mm):22
Shape:T27
Grit:40,60,80,120
Standard Zirconia:25%–40% zirconia grains + cooling coating
Max.Rotation Speed(rpm):13,000
Max.Linear Speed(m/s):80
Ceritificate:  EN12413, ISO90001
HTS Code: 6804221000
Numerous industries:automotive, transportation, mining, shipbuilding, construction, welding, & fabrication.
Delivery Time: 20 days upon receipt the deposit.
Customized support: OEM, ODM
Sample: Free

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Overview
Zirconia flap discs are high-performance abrasives made with zirconium oxide grains, engineered for aggressive grinding and long-lasting durability. Designed for heavy-duty applications, these discs self-sharpen during use, maintaining consistent cutting efficiency over time. Ideal for professionals requiring fast material removal and extended disc life.

Key Features

1.Zirconia Alumina Grain: Provides aggressive cutting action and self-sharpening performance.

2.High Durability: Excellent heat resistance and extended lifespan compared to aluminum oxide.

3.Cool Grinding: Prevents burning or discoloration, especially on stainless steel.

4.Heavy-Duty Construction: Perfect for tough metals and continuous use under pressure.

5.Multiple Grits & Sizes: Available in a wide range to suit coarse grinding to fine finishing.

Material Differences: Types of Zirconia Used in Flap Discs

TypeDescriptionCharacteristics
Standard ZirconiaTypically contains 25%–40% zirconia grainsCost-effective, suitable for general steel use
High-Content ZirconiaContains 60%+ zirconia, ideal for heavy-duty grindingHigher durability and aggressiveness
Zirconia-Alumina BlendMixed with aluminum oxide to reduce costModerate performance for medium industrial use

Post-Processing Differences: Impact on Performance & Usability

Post-Processing TypeDescription & FunctionPerformance Impact
Calcination (if applied)Although zirconia doesn’t require calcination, some blends undergo heat treatmentEnhances heat resistance and sharpness
Cooling Coating (Top Size)Applied coating to reduce heat build-up during grindingPrevents discoloration and overheating, ideal for stainless steel
High-Bond Resin SystemReinforced resin for strong grain adhesionImproves safety and disc longevity
Backing Material VariantsPoly-cotton vs. cotton cloth backing affects flexibility and controlPoly-cotton offers higher strength for demanding tasks

Summary – Key Material and Treatment Differences in Zirconia Flap Discs

FactorType / TreatmentFeaturesBest Use Cases
Abrasive GradeStandard / High-Content ZirconiaVaries from regular to premium wear resistanceGeneral metal vs. stainless steel, heavy welds
Surface CoatingWith or without cooling layerHeat reduction and anti-burningRecommended for stainless steel and heat-sensitive metals
Backing & ResinPoly-cotton + high-strength resinStrong, heat-resistant, stable bondingContinuous industrial grinding

Technical Specifications With Multi-Sizes 

Size in mmType

Piece Per Ctn 

Packing Size  

Gross Weight Kg

100x16T27/T29400pcs 24x24x23cm15
115x22T27/T29400pcs30x30x27cm17
125x22T27/T29400pcs35x35x32cm19
180x22T27/T29400pcs42x42x35cm21

Application Scenarios

1.Stainless Steel Fabrication: Weld seam removal, deburring, and surface prep.

2.Carbon Steel & Alloy Metals: Efficient in structural steel and pipeline maintenance.

3.Metalworking Shops: Daily grinding, blending, and edge smoothing.

4.Automotive & Aerospace: Suitable for high-precision metal finishing tasks.

5.Construction & Shipbuilding: Durable performance under rugged conditions.

OEM Service Available with Custom Size, Logo, and Packaging

1.We offer OEM customization including product dimensions, private label printing, and personalized packaging to suit your brand and market needs.

2.Whether you're a distributor or a tool brand, we provide reliable private label solutions with full compliance and consistent quality.

3.We tailor abrasive solutions according to your industry requirements—from grit size to bonding formula.

4.Fast Turnaround on Custom Orders

5.Our factory supports fast delivery for OEM batches, with low MOQ(20,000pcs) and flexible order processing.

6.ISO-Certified OEM Production with Quality Guarantee。

7.All OEM products are manufactured under ISO 90001 / EN 12413 standards, ensuring quality and durability meet international expectations.

FAQ

  1 .Are you a factory or a trading company?

   We are a professional manufacturer of abrasive tools with more than 20 years.

  2. Do you accept OEM Brand?

   Yes, OEM Brand is accepted,label and package as your requirement.

  3. Are samples available for quality test?

    Yes, free samples can be prepared for quality test, customers only pay for the freight charges(The freight will be returned in mass order).

  4. How could you ensure the quality?

    Quality is the life of the company,our pursuit is customer satisfaction. To ensure this, all our products will pass the semi-product testing, finished-product testing and inspectionbefore delivering. 3 times testing.

  5.Can we use our own shipping agent?

    Sure.We had cooperated with manyforwarders in many countries,we can do FOB,CFR,ClF,etc.

  6.lf l want to visit your company,which airport is nearest?

    Nanking Airport is the nearest one,Hefei airport is also close.

  7What is your payment terms?

   We normally accept 30% deposit by TT in advance, balance after receving BL copy. 

    L/C is also acceptable. For more details, please contact us directly.

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CONTACT US

Contact: Emma Wang

Phone: 86-13866745375

E-mail: emma@ramabrasives.com

Whatsapp:+86 18815696540

Add: No.711 Luzhou Avenue,Baohe District,Hefei City,Anhui Province,China