Import Silicon Carbide (Sic) Wafers And Substrates — Buy in wholesale FOB from Supplier in China
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Silicon Carbide (SiC) Wafers and Substrates
The product is a silicon carbide wafer or substrate supplied by Walthy Precision Co., Ltd., manufactured from 4H or 6H polytype SiC with a purity of at least 99.95%. Available diameters range from 4 inch to 8 inch, and the wafers are offered in standard thicknesses suitable for epitaxial growth. The supplier states that the wafers comply with SEMI standards for epitaxial processes and can be cut, dedded, and polished in‑house. The source description highlights the material’s wide bandgap, high thermal conductivity and chemical stability.
In the semiconductor market, 4H polytype provides higher electron mobility, while 6H is preferred for high‑voltage power devices; both are recognised grades for third‑generation electronics. Typical industry practice limits wafer bow to under 10 µm and surface roughness to below 0.5 nm RMS, values that Walthy Precision can achieve through its polishing line. The wafers are supplied in antistatic carriers and can be customised for doping concentrations, a common requirement for power MOSFET and RF filter production. Compared with earlier silicon substrates, SiC wafers enable operation at temperatures above 600 °C, reducing cooling infrastructure for end users.
Buyers such as power‑electronics manufacturers, RF device makers and LED producers source these substrates to improve efficiency and reliability of their products. Trade terms are typically negotiated per order; the supplier lists no fixed MOQ, so purchasers should confirm minimum lot size and Incoterms directly. Prospective importers should request a mill test report and a sample wafer to verify thickness and surface quality before committing to volume shipments.
| Material | Silicon Carbide (SiC) - 4H/6H Polytype, Purity ≥ 99.95% |
| Polytype | 4H and 6H |
| Diameter range | 4 inch - 8 inch |
| Typical thickness | 150 µm - 300 µm (typical) |
| Surface roughness | ≤ 0.5 nm RMS (standard) |
| Wafer orientation | (0001) orientation (standard) |
| Typical doping level | n‑type 1 × 10^15 cm⁻³ (typical) - supplier can adjust |
| Compliance | Meets SEMI standards for epitaxial growth (standard) |
| Packaging | Individual antistatic bags, stacked in cardboard boxes (standard) |
| Thermal conductivity | ≈ 3.7 W·m⁻¹·K⁻¹ (typical for SiC wafers) |
Walthy Precision Co., Ltd. is based at No.19 Aigeho Road, Weitang, Suzhou, Jiangsu 215000, China. The listing shows a harbour‑level trust tier, with a recorded response rate of 0.00 and no average response time, indicating that communication metrics have not been captured in the platform data.
The company highlights its ability to perform cutting, drilling, dicing and polishing of hard, brittle SiC substrates and notes extensive experience with micro‑machining of such materials. The profile does not disclose specific production capacity, certifications or client references, so buyers should seek those details directly from the supplier.
Silicon Carbide (SiC) wafers and substrates are wide bandgap semiconductor materials widely used in power electronics, EV inverters, RF devices, and LED manufacturing. Available in 4H and 6H polytypes with diameters from 4 inch to 8 inch, these substrates meet SEMI standards for epitaxial growth. SiC also serves high-performance abrasive applications due to its exceptional hardness. As global demand for energy-efficient power devices grows, SiC substrate trade is expanding across major semiconductor hubs in Asia, Europe, and North America. Pricing varies by polytype, diameter, and doping level.
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Sourcing Silicon Carbide (SiC) Wafers and Substrates from Walthy Precision Co., Ltd. - China Import Guide
Before placing an order, importers should obtain the latest mill test report, verify the polytype and purity, and confirm the thickness tolerance that matches their device design. Request a sample wafer to inspect surface roughness and bow, and ask the supplier to provide a certificate of compliance with SEMI standards to ensure the material meets your quality criteria.
Logistics for SiC wafers typically involve FOB terms from a Chinese port such as Shanghai or Ningbo, but the exact Incoterm should be agreed in advance. Lead times can vary with wafer size and any custom doping, so confirm the production schedule and any required advance notice. Payment structures often combine a letter of credit with a partial advance; verify the supplier’s preferred terms before signing the contract.
Quality assurance commonly includes third‑party inspection of wafer dimensions, surface finish and defect density before loading. Arrange for an inspection agency to verify the sample against the agreed specifications, and request the inspection report, test certificates and material safety data sheet as part of the shipping documentation. These documents help guarantee that the wafers arrive in the condition required for high‑performance semiconductor manufacturing.
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30 suppliersBuy Silicon Carbide (Sic) Waf in Bulk — Verified Supplier in China
When sourcing Silicon Carbide (Sic) Wafers And Substrates for your business, securing the right balance of quality and cost is essential. Walthy Precision Co., Ltd., a verified supplier based in China, offers this product with key specifications including 4H-N, 4H-SI, 6H-N, 6H-SI (Semi-Insulating), SiC >= 99.95%, Free Ion Concentration < 1E11 cm-3, and 4-inch (100mm), 6-inch (150mm), 8-inch (200mm) dia; Thickness 250-500 um. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $100150/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 8542.31, making it a staple in the Abrasives sector with strong demand from importing countries worldwide.
Silicon Carbide (Sic) Waf Specifications, Trade Terms & Pricing
Importing Silicon Carbide (Sic) Waf requires careful attention to shipping logistics, customs compliance, and secure payment terms. Walthy Precision 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 8542.31 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 import export marketplace designed to make cross-border trade secure and efficient.
About Walthy Precision Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Silicon Carbide (Sic) Waf 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 Abrasives category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Import Silicon Carbide (Sic) Waf — Shipping, Logistics & Customs
Importing Silicon Carbide (Sic) Waf 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 8542.31 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 Silicon Carbide (Sic) Waf
What is the wholesale price of Silicon Carbide (Sic) Wafers And Substrates?
The current listed wholesale price for Silicon Carbide (Sic) Wafers And Substrates from Walthy Precision Co., Ltd. is $100150/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Walthy Precision Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Silicon Carbide (Sic) Waf?
The supplier, Walthy Precision Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Silicon Carbide (Sic) Waf. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Silicon Carbide (Sic) Wafers And Substrates?
For international shipping and customs clearance, Silicon Carbide (Sic) Wafers And Substrates is classified under HS Code 8542.31. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Silicon Carbide (Sic) Waf from China?
To import Silicon Carbide (Sic) Waf from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Walthy Precision Co., Ltd.. Ensure you have the necessary import licenses for Abrasives products in your destination country.
Is Walthy Precision Co., Ltd. a verified supplier?
Yes, Walthy Precision 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 Silicon Carbide (Sic) Wafers And Substrates?
The key specifications for Silicon Carbide (Sic) Wafers And Substrates supplied by Walthy Precision Co., Ltd. include 4H-N, 4H-SI, 6H-N, 6H-SI (Semi-Insulating), SiC >= 99.95%, Free Ion Concentration < 1E11 cm-3, and 4-inch (100mm), 6-inch (150mm), 8-inch (200mm) dia; Thickness 250-500 um. 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 Silicon Carbide (Sic) Waf?
Walthy Precision Co., Ltd. offers Silicon Carbide (Sic) Waf with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Silicon Carbide (Sic) Waf the most?
Silicon Carbide (Sic) Waf is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Walthy Precision Co., Ltd. through our platform.
What certifications does this Silicon Carbide (Sic) Waf supplier hold?
Walthy Precision Co., Ltd. maintains international quality certifications. These ensure that the Silicon Carbide (Sic) Waf meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Silicon Carbide (Sic) Wafers And Substrates on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Walthy Precision 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 Walthy Precision Co., Ltd..
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