What is the grit type of this sandpaper?

The grit type is coarse, designed to produce an even and consistent scratch pattern with special stearate coating.

4 Inch Sanding Disc for Metal Wood

Name: 4 Inch Sanding Disc for Metal Wood
Brand: SIGNI INDUSTRIAL (SHANGHAI) CO., LTD.
SKU: 2218012445

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

US$6.00

500-999 Pieces

US$5.80

1,000-4,999 Pieces

US$5.70

5,000+ Pieces

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

Natural Abrasive Type

Natural Corundum

Artificial Abrasive Type

Silicon Carbide Abrasive

Application

Metal Parts

Function

Surface Finish

Source

Artificial Abrasives

Particle Size

Abrasive

Hardness

Conventional Abrasive

Color

Black and White

Type

Flat

Shape

Circle

Material

Wa Sic

Application1

Metal

Packing

Plastic Bag

Transport Package

Carton

Specification

Trademark

SIGNI

Origin

China

HS Code

6804221000

Production Capacity

5000000pieces/Year

Key features

Versatile Wet & Dry Use: Suitable for both wet and dry sanding applications with excellent performance.

Anti-Clogging Design: Features anti-static and anti-clogging properties for consistent sanding results.

Premium Silicon Carbide: Made with high-quality silicon carbide abrasive on waterproof backing paper.

Superior Surface Finish: Open-coat structure with stearate coating for even scratch patterns and polishing.

Wide Material Compatibility: Ideal for metal, wood, paint, rubber, leather, plastic, and fiberglass.

Durable Construction: Tear-resistant round discs designed for die, angle, and bench grinders.

Company profile

SIGNI INDUSTRIAL (SHANGHAI) CO., LTD.

Shanghai, China

Business Type: Manufacturer/FactoryExport Year: 2008-05-08Average Response Time: ≤5.95hTerms 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.