Import Polycrystalline Cubic Boron Nitride — Buy in wholesale FOB from Supplier in Hong Kong
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Polycrystalline Cubic Boron Nitride
Polycrystalline Cubic Boron Nitride (PCBN) supplied by Zhengzhou E-abrasive Superhard Materials Co., Ltd. is a superhard cutting material composed of cubic boron nitride crystals bound together with a ceramic or metallic matrix. The product is produced by high‑pressure high‑temperature (HPHT) sintering, resulting in a multicrystalline structure that delivers hardness only second to diamond. According to the supplier’s data the material maintains thermal stability up to 1400 °C - 1800 °C and exhibits good thermal conductivity and impact toughness. These intrinsic properties make the PCBN suitable for demanding machining tasks.
In the broader market PCBN grades typically contain 55 % - 90 % CBN by weight with cobalt‑based binders, delivering a Vickers hardness in the range of 2500 HV - 3000 HV (typical). Standard thermal conductivity values are around 300 W/m·K (typical) and impact toughness is often reported near 5 MPa·m^0.5 (typical). Common insert geometries range from 0.5 mm to 2 mm radius, and tolerance on dimensions is generally ±0.02 mm (standard). The supplier’s description confirms the multicrystalline structure and the use of a ceramic/metallic binder, aligning with these industry norms.
The PCBN inserts are widely used in automotive engine component machining, aerospace turbine blade production, and bearing manufacturing where hardened steels and superalloys are common. Buyers such as precision tool distributors and large‑scale manufacturers typically request bulk quantities, and the supplier notes that pricing varies with CBN content grade and insert geometry. Specific minimum order quantities, lead times and incoterms are not disclosed in the listing, so importers should contact the supplier to confirm those trade terms.
| Material | Polycrystalline Cubic Boron Nitride (PCBN) with ceramic/metallic binder |
| Structure | Multicrystalline |
| Hardness (Vickers) | 2500‑3000 HV typical |
| Thermal stability | 1400‑1800 °C |
| Thermal conductivity | ≈300 W/m·K typical |
| Impact toughness | ≈5 MPa·m^0.5 typical |
| CBN content by weight | 55 %‑90 % typical |
| Binder type | Cobalt‑based or nickel‑based binder typical |
| Typical insert radius | 0.5 mm‑2 mm standard tolerance ±0.02 mm |
Zhengzhou E-abrasive Superhard Materials Co., Ltd. is registered at No 142, Zhongyuan West Road, Zhongyuan District, Zhengzhou, Henan, China, with an additional address listed in Hong Kong. The supplier carries a "harbor" trust tier, indicating a level of verification within the marketplace, although its response rate is recorded as 0.00 and average response time is zero hours, suggesting limited communication activity at present.
The company’s catalogue focuses on the production and export of polycrystalline cubic boron nitride components, including blanks and finished inserts for precision machining of hardened steels, cast iron and superalloys. While the listing provides material composition and general performance attributes, it does not disclose specific production capacities, certifications, or client references, so prospective buyers should request those details directly.
Polycrystalline Cubic Boron Nitride (PCBN) inserts are high-performance superhard cutting tools produced via high-pressure high-temperature sintering. With hardness second only to diamond and superior thermal stability, PCBN tools are the preferred choice for precision machining of hardened steels, cast iron, and superalloys. Widely sourced from China and Japan for export, PCBN blanks and finished inserts serve automotive, aerospace, and bearing manufacturing industries. Bulk pricing varies by CBN content grade and insert geometry.
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Sourcing Polycrystalline Cubic Boron Nitride from Zhengzhou E-abrasive Superhard Materials Co., Ltd. - Hong Kong Import Guide
Before placing an order, importers should verify the exact CBN content, binder composition, and dimensional tolerance of the inserts. Requesting a recent material test certificate and a sample inspection report will help confirm that the product matches the stated specifications. It is also prudent to confirm that the supplier can provide any required certifications such as ISO 9001 or relevant industry standards.
Logistics details, including the preferred Incoterms, expected lead time, and payment conditions, are not listed and must be clarified directly with the supplier. Buyers should ask whether the shipment will be FOB, CIF or another term, and whether the supplier can arrange container loading at the Hong Kong port. Payment methods, such as T/T against documents or LC, should be negotiated in advance to align with the buyer’s risk management policy.
Quality assurance can be reinforced by arranging a third‑party inspection at the supplier’s factory or at the loading port. Requesting a pre‑shipment inspection report, along with documentation such as a Certificate of Origin and a Packing List, will reduce the risk of non‑conformity. Clear communication of inspection criteria and acceptance thresholds will streamline the import process and protect the buyer’s investment.
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30 suppliersBuy Polycrystalline Cubic Bor in Bulk — Verified Supplier in Hong Kong
When sourcing Polycrystalline Cubic Boron Nitride for your business, securing the right balance of quality and cost is essential. Zhengzhou E-abrasive Superhard Materials Co., Ltd., a verified supplier based in Hong Kong, offers this product with key specifications including PCBN10, PCBN20, PCBN30, PCBN40 (by binder content and application), CBN content 50-95%, binder (Co, Ni, TiC, Al2O3) 5-50% by weight, and Standard inserts: CNMA, DNMA, SNMA, TNMA, WNMA; Tool blanks: 10x10x3.2mm to 50x50x5mm. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $1100/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 3824.30, making it a staple in the Metal Products sector with strong demand from importing countries worldwide.
Polycrystalline Cubic Bor Specifications, Trade Terms & Pricing
Importing Polycrystalline Cubic Bor requires careful attention to shipping logistics, customs compliance, and secure payment terms. Zhengzhou E-abrasive Superhard Materials Co., Ltd. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 3824.30 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading online B2B marketplace designed to make cross-border trade secure and efficient.
About Zhengzhou E-abrasive Superhard Materials Co., Ltd. — Supplier in Hong Kong
Finding trustworthy partners is the foundation of successful importing. The supplier of this Polycrystalline Cubic Bor has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Metal Products category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.
Import Polycrystalline Cubic Bor — Shipping, Logistics & Customs
Importing Polycrystalline Cubic Bor requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 3824.30 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Polycrystalline Cubic Bor
What is the wholesale price of Polycrystalline Cubic Boron Nitride?
The current listed wholesale price for Polycrystalline Cubic Boron Nitride from Zhengzhou E-abrasive Superhard Materials Co., Ltd. is $1100/Bags on FOB terms from Hong Kong. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Zhengzhou E-abrasive Superhard Materials Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Polycrystalline Cubic Bor?
The supplier, Zhengzhou E-abrasive Superhard Materials Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Polycrystalline Cubic Bor. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Polycrystalline Cubic Boron Nitride?
For international shipping and customs clearance, Polycrystalline Cubic Boron Nitride is classified under HS Code 3824.30. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Polycrystalline Cubic Bor from Hong Kong?
To import Polycrystalline Cubic Bor from Hong Kong, negotiate shipping terms (FOB, CIF, or EXW) directly with Zhengzhou E-abrasive Superhard Materials Co., Ltd.. Ensure you have the necessary import licenses for Metal Products products in your destination country.
Is Zhengzhou E-abrasive Superhard Materials Co., Ltd. a verified supplier?
Yes, Zhengzhou E-abrasive Superhard Materials Co., Ltd. is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Polycrystalline Cubic Boron Nitride?
The key specifications for Polycrystalline Cubic Boron Nitride supplied by Zhengzhou E-abrasive Superhard Materials Co., Ltd. include PCBN10, PCBN20, PCBN30, PCBN40 (by binder content and application), CBN content 50-95%, binder (Co, Ni, TiC, Al2O3) 5-50% by weight, and Standard inserts: CNMA, DNMA, SNMA, TNMA, WNMA; Tool blanks: 10x10x3.2mm to 50x50x5mm. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Polycrystalline Cubic Bor?
Zhengzhou E-abrasive Superhard Materials Co., Ltd. offers Polycrystalline Cubic Bor with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Polycrystalline Cubic Bor the most?
Polycrystalline Cubic Bor is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Zhengzhou E-abrasive Superhard Materials Co., Ltd. through our platform.
What certifications does this Polycrystalline Cubic Bor supplier hold?
Zhengzhou E-abrasive Superhard Materials Co., Ltd. maintains international quality certifications. These ensure that the Polycrystalline Cubic Bor meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Polycrystalline Cubic Boron Nitride on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Zhengzhou E-abrasive Superhard Materials Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Zhengzhou E-abrasive Superhard Materials Co., Ltd..
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