Signi 115mm Silicon Carbide Sanding Disc Plastic Back for Granite

Name: Signi 115mm Silicon Carbide Sanding Disc Plastic Back for Granite
Brand: SIGNI INDUSTRIAL (SHANGHAI) CO., LTD.
SKU: 2192962462

Shanghai, ChinaSIGNI INDUSTRIAL (SHANGHAI) CO., LTD.

US$1.10

200 box

Sample price:US$1.10/piece.Request sample

Product profile

Customization

Available

Material

Silicon Carbide / Sic

Abrasive

Silicon Carbide / Sic

Model NO.

ZEC4.5-36

Standard

4.5''

Transport Package

Carton

Specification

4.5 INCH, 36 GRIT

Trademark

SIGNI

Origin

Shanghai

HS Code

68042210

Production Capacity

100000/Year

Key features

Built on a silicon carbide grain, the abrasive type conventionally specified for hard, brittle non-metallic materials such as granite and stone - not an aluminium-oxide grain intended for steel. Suite

The disc is built on a rigid plastic backing plate rather than a fibre or hook-and-loop backing, giving the disc a self-supporting body that mounts directly onto the grinder. A clear structural differ

4.5 inch disc with 22mm arbor hole, mounting directly on standard angle grinders for handheld stone grinding and polishing. Available in 36# grit.

Company profile

SIGNI INDUSTRIAL (SHANGHAI) CO., LTD.

Shanghai, China

Business Type: Manufacturer/FactoryExport Year: 2008-05-08Average Response Time: ≤8.20hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CIF, FCA

AI-Powered supplier vetting

SummarySigni Abrasive & Diamond Tools Co., Ltd., founded in 1996 in Shanghai, produces resin- and vitrified-bonded abrasives and super-hard diamond tools. It reports ISO 9001, ISO 14001, and ISO 14000 certifications, five production lines, 11–20 years of combined R&D engineer experience, and exports to a broad range of global markets. The supplier offers extensive customization and ODM services and reports OEM service for popular brands. However, it reports no overseas showrooms, agents or branches, or offline trade-show participation, and service procedures lack written records. No new products were reported during the past year, and no SDK is available. Quality assurance is stated, but the quality-control staff count is fewer than five. Financial information is present but is not sufficient here to establish a clear credibility assessment.

Supplier typeThe supplier is a manufacturer and seller focused on hardware tools, power tools, accessories, abrasives, and diamond tools. Its company description specifically identifies production of resin-bonded and vitrified-bonded abrasives and super-hard diamond tools.

CertificationsThe supplier reports holding ISO 9001, ISO 14001, and ISO 14000 certifications. These stated management-system certifications provide explicit evidence of certification coverage.

After-Sales capabilityThe supplier has procedures for corrective and preventive actions, customer complaints, and supplier-service assessment, but reports no written records for these procedures. It also has no overseas showroom, agent or branch, or offline trade-show experience, although it reports lead times within 15 working days and accepts multiple quotation and payment terms.

Production capacityThe supplier reports five production lines, fewer than five quality-control staff, and experience producing resin-bonded, vitrified-bonded, and super-hard diamond tools. Its broad export-market coverage also indicates established international supply activity, although capacity volume is not assessed here.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, flexible customization, and ODM services. It also reports OEM service for popular brands, providing strong direct evidence of customization and contract-manufacturing capability.

Product Q&A

Q:Do I need to use an extra backing pad with this grinding disc?

No backing pad required. This disc features an integrated heavy-duty plastic backing that mounts directly onto the spindle of most standard angle grinders, saving setup time and cost.

Q:What materials can this Silicon Carbide (SiC) disc grind?

Thanks to the extreme hardness and sharpness of SiC grains, it is ideal for grinding cast iron, weld seams, rust removal, aluminum, brass, as well as non-metal materials like granite, marble, concrete, masonry, fiberglass, and hardwood.

Q:How does it compare to traditional depressed center wheels or resin fiber discs?

Compared to conventional wheels, it is lighter, generates less vibration, cuts and grinds significantly faster, and leaves a flatter, more uniform surface. The radial plastic ribs provide superior heat dissipation to prevent workpiece discoloration.

Q:Are there any recommended RPM limits or safety guidelines?

Always operate within the maximum rated RPM of your angle grinder. Always wear appropriate PPE including safety goggles/face shield, dust mask, leather work gloves, and hearing protection, and ensure the grinder guard is properly installed.

Q:Why does this disc provide such an aggressive cutting action?

The surface is engineered with coarse, crystalline Silicon Carbide abrasive grains with sharp cutting edges. They provide instant bite and rapid stock removal with minimal downward pressure.