How is the product packaged and shipped?

Usually packed in plastic/paper bags + carton boxes or 1MT pallets. Shipping is available via FedEx, TNT, UPS, DHL, EMS, etc.

What are the payment terms?

We accept LC, T/T, and D/P as terms of payment.

Is Boron Carbide resistant to acids and alkalis?

Yes, Boron Carbide has excellent chemical stability and does not react with either acids or alkalis.

Boron Carbide B4c Powder for Grinding Polishing Lapping Coating

Name: Boron Carbide B4c Powder for Grinding Polishing Lapping Coating
Brand: Kumthai Abrasives Co., Ltd.
SKU: 770965112

Henan, ChinaKumthai Abrasives Co., Ltd.

US$15.00-50.00

100 kg

Sample price:US$0.00/kg.Request sample

Product profile

Customization

Available

Natural Abrasive Type

Boron Carbide (B4c)

Function

Grinding, Polishing, Lapping, Drilling, etc

Model NO.

B4C

Source

Artificial Abrasives

Particle Size

Powder

Hardness

Superabrasive

Crystal Color

Black

Crystal Structure

Rhombi

Mohs Hardness

9.36

Density

More Than 2.52g/cm3

Flexural Strength

300-500MPa

Compressive

3000-5000MPa

Shipment

FedEx, TNT, UPS, DHL, EMS, etc.

Transport Package

Paper Bag, Carton Box, etc.

Specification

F4-F2000.

Trademark

Kumthai

Origin

Zhengzhou, China

HS Code

2849901000

Production Capacity

100000tons/Month

Key features

Super Hardness: Mohs hardness 9.36, only near diamond, ideal for grinding hard materials.

Neutron Absorption: Absorbs neutrons without forming radioactive isotopes, ideal for nuclear control.

Lightweight Armor: Low density 2.52g/cm3, used in tank armor and bulletproof clothing.

Chemical Stability: No reaction with acids or alkalis, resistant to high and low temperatures.

Cost Effective: Less costly than diamond and CBN, widely used as a replacement in applications.

Customizable Nozzles: Offers customized high purity and longer service life sandblasting nozzles.

Fast Delivery: Average lead time within 15 workdays for both peak and off seasons.

Global Shipping: Shipped via FedEx, TNT, UPS, DHL, EMS with free samples available.

Company profile

Kumthai Abrasives Co., Ltd.

Henan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2009-05-01Nearest Port: Shanghai port, China, Qingdao port, China, Tianjin port, ChinaAverage Response Time: ≤1.61hTerms of Payment: LC, T/T, D/PInternational Commercial Terms(Incoterms): FOB, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA, EXW, Others

AI-Powered supplier vetting

SummaryKumthai Abrasives Co., Ltd. is a China-based limited company in Zhengzhou, Henan, identified as both a trading company and manufacturer/factory. The supplier focuses on synthetic diamond abrasives and related superhard materials, with stated production workshops, advanced production and testing equipment, three production lines, and annual synthetic diamond productivity of 120 tons. It reports ISO 9000, ISO 9001, ISO 14000, and ISO 14001 certifications, as well as 6–10 R&D engineers and 6–10 quality-control staff. The company offers OEM, ODM, and its own KUMTHAI brand, and exports to multiple global regions. Its stated lead time is within 15 working days in both off-peak and peak seasons. Evidence supports production, customization, certification, and technical-service capabilities. However, the slices do not provide sufficient evidence to assess financial credibility or specific customer cases.

Supplier typeThe supplier is identified as both a trading company and manufacturer/factory, with a limited-company structure and an address in Zhengzhou, Henan, China. Its stated focus includes the design, development, production, and sales of superhard abrasive materials, indicating an operating model that combines manufacturing and trading activities.

CertificationsThe supplier reports holding ISO 9000, ISO 9001, ISO 14000, and ISO 14001 management-system certifications. These stated certifications provide explicit evidence of formal quality and environmental management systems.

After-Sales capabilityThe company states that it provides customer service, professional technical support, and product services through a technology R&D team and service team. This supports the existence of technical and service resources, although the slices do not specify warranty terms, service response procedures, or post-sale performance records.

R&D capabilityThe supplier reports a professional technology R&D team, 6–10 years of total R&D-engineer experience, advanced production and testing equipment, and product development involving synthetic diamond micron powders from 40 nm to 125 microns. These details explicitly support R&D and product-engineering capability.

Production capacityThe supplier reports multiple production workshops, three production lines, advanced equipment, annual synthetic diamond productivity of 120 tons, monthly output of 25 million carats of micron powders, and around 30 million carats of crushed synthetic diamond grits. It also states a lead time within 15 working days in both peak and off-peak seasons, supporting substantial and responsive production capability.

Customization capabilityThe supplier explicitly offers OEM and ODM services in addition to its own KUMTHAI brand, according to customer requirements. It also accepts a broad range of quotation and delivery terms, but the slices do not specify customization limits, tooling support, or sample-development procedures.

Product Q&A

Q:What is the hardness of Boron Carbide B4C powder?

It has a Mohs hardness of 9.36 and microscopic hardness of 5400-6300kg/mm2, making it one of the hardest man-made materials, second only to diamond.

Q:Is Boron Carbide suitable for nuclear applications?

Yes, it is an ideal neutron absorber for nuclear power plants because it can absorb large amounts of neutrons without forming any radioactive isotopes.

Q:What are the main applications of Boron Carbide powder?

It is widely used in grinding, polishing, lapping, drilling hard metals, making wear-resistant parts, ceramic coatings, light armor, and as a neutron absorber.

Q:Can you provide customized Boron Carbide sandblasting nozzles?

Yes, we offer customized high purity and longer service life Boron Carbide sandblasting nozzles. Please send drawings for pricing.

Q:What is the lead time for orders?

The average lead time is within 15 workdays for both peak season and off season.