Factory production workflow
Material preparation, forming or machining route, finishing, inspection, packing, and shipment are reviewed as one supply workflow, not as isolated catalog items.
Photovoltaic Tungsten Wire for Finer Slicing, Higher Strength, and More Stable Wire Performance
Tungsten mother wire for photovoltaic diamond wire sawing: engineered for electroplated diamond-wire production with tight diameter control, high breaking load, stable surface quality, and batch consistency as wafers move below 130 μm.
Upload drawings, specifications, or repeat-order details in the popup.
Key Features & Benefits
Manufacturing details, inspection discipline, and RFQ clarity for industrial buyers.
Tight diameter tolerance for stable diamond electroplating
Fine diameter control helps the wire run more stably through the diamond electroplating process and downstream slicing, where line consistency matters.
Higher strength and breaking load
Designed for photovoltaic processing routes that need higher tensile strength, reliable breaking load, and better resistance to wire failure during continuous production.
Better fit for thinner wafer trends
A tungsten core carries higher tensile strength than steel at the same diameter, supporting the move to finer wire, lower kerf loss, and more wafers per ingot as PV wafers thin below 130 μm.
Stable surface condition
Smooth appearance, controlled defects, and better winding quality help support diamond electroplating adhesion and more stable unwinding behavior.
Photovoltaic-focused specification range
Promoted specifications include fine and high-strength sizes aligned with current photovoltaic slicing programs, including 0.035 mm, 0.037 mm, 0.10 mm, and 0.11 mm.
Custom supply for different equipment and wafer programs
We can align wire performance targets such as breaking load, tensile strength, and supply condition to different process windows and equipment requirements.
Hard Proof for Buyers
Production, inspection, packing, and delivery evidence for Photovoltaic Tungsten Wire for Finer Slicing, Higher Strength, and More Stable Wire Performance
Industrial buyers need more than broad claims like high performance or stable quality. This section shows the practical proof points we can discuss before quotation: factory workflow, inspection control, report availability, MOQ, lead time, packing, and export support.
What a serious RFQ can request
Factory photos
Equipment / process route
Inspection records
Material report sample
Packing photos
MOQ and lead time
Export terms
Industry use case
Inspection equipment and records
Dimensional checks, surface review, batch identification, and inspection records can be aligned with the product drawing, specification, or repeat-order requirement.
Drawing and specification review
Engineering RFQs can include drawings, samples, grade targets, tolerance notes, working conditions, and report requirements before quotation.
Export packing and shipment support
Protective packing, labeling, batch notes, and export-ready documentation are considered before sample, trial, or production shipment.
Procurement details we can confirm before order
MOQ: confirmed by grade, size, drawing complexity, and trial or repeat-order demand
Sample / trial order: available for qualified RFQs where size, quantity, and application are clear
Lead time: quoted by stock status, tooling route, machining complexity, inspection scope, and order quantity
Reports: material report, dimensional inspection record, and shipment photos can be discussed before order
Tolerance: typical capability is reviewed against drawings, process route, and critical working surfaces
Export support: protective packing, marking, trade terms, and destination requirements can be aligned before shipment
Quality system: batch traceability, incoming material review, and final inspection are available for repeat supply
Confidentiality: drawings and samples are used for quotation/manufacturability review; NDA available on request
Technical Specifications
Detailed parameters for your engineering requirements
| Material | High-Purity Tungsten / Doped Tungsten Wire |
| Purity Grade | W1 >= 99.95% / W2 >= 99.92% |
| General Diameter Range | 5 μm - 1.8 mm |
| Promoted PV Sizes | 0.035 mm / 0.037 mm / 0.10 mm / 0.11 mm |
| 0.035 mm Target | Breaking Load >= 5.6 N / Tensile Strength >= 5800 MPa |
| 0.037 mm Target | Breaking Load >= 6.2 N / Tensile Strength >= 5800 MPa |
| 0.10 mm Target | Breaking Load >= 29.5 N / Coil Diameter >= 150 mm |
| 0.11 mm Target | Breaking Load >= 36 N / Coil Diameter >= 150 mm |
Application Areas
Application-specific supply for industrial production and maintenance teams.
Photovoltaic slicing wire production
Built for customers producing or sourcing tungsten mother wire for electroplated diamond wire sawing (DWS) of silicon wafers.
Fine-wire programs for lower kerf loss
Suitable for producers moving toward finer-wire specifications to improve wafer output and reduce silicon material loss.
Large-size wafer slicing compatibility
Higher-strength specifications are available for programs that require more load capacity or compatibility with larger wafer formats.
Stable unwinding and continuous production use
Wire supply quality, ovality control, and appearance stability are aligned with automated production where line continuity is critical.
Product Gallery
Explore our precision-engineered materials and components.
Typical promoted specifications
The most commercially important photovoltaic tungsten wire sizes are the ones that help customers balance finer slicing with enough mechanical strength.
- 0.035 mm for mature fine-wire photovoltaic slicing programs
- 0.037 mm for lower silicon-loss direction with stronger load margin
- 0.10 mm for larger-size or higher-load slicing programs
- 0.11 mm for customers needing stronger adaptation to thicker or larger wafers
These sizes are where buyers usually compare breaking load, tensile strength, coil quality, and stability across batches.
Why photovoltaic buyers upgrade tungsten wire programs
In photovoltaic slicing, wire performance affects more than a single purchase price.
- Fine diameter control supports more stable electroplating and downstream processing
- Higher strength reduces the risk of breakage during production
- Better surface quality helps diamond electroplating adhesion and slicing consistency
- Stronger batch stability helps keep production windows predictable
- Finer wire strategies lower kerf loss and raise wafer output per ingot
Manufacturing and quality control for photovoltaic supply
Our tungsten wire production is controlled from raw material preparation through forming, drawing, precision finishing, and final inspection.
- Chemical composition control on tungsten content and impurity limits
- Diameter and tolerance inspection across the wire length
- Ovality, coil, and appearance review to reduce downstream instability
- Mechanical property checks such as breaking load, tensile strength, and torsion where required
- Surface-quality screening for oxidation, scratches, pits, and visible drawing defects
RFQ guide for a faster photovoltaic wire quotation
To quote photovoltaic tungsten wire accurately, please send the process details that matter most.
- Target diameter and tolerance requirement
- Breaking load, tensile strength, or torsion target if already defined
- Intended use such as diamond-wire mother wire or other photovoltaic process role
- Coil format, winding requirement, and supply condition
- Quantity plan by size and expected order frequency
- Whether the project is for evaluation, process conversion, or repeat production
Buyer Questions
Frequently asked questions
How this product is quoted, customized, and delivered.
Can this product be manufactured to custom drawings and dimensions?+
Yes. This product is supplied in standard forms and to customer drawings, including custom dimensions, tolerances, and geometry confirmed during RFQ review.
What is the minimum order quantity for this product?+
The MOQ depends on the form and specification. Trial quantities are supported for qualification projects, and the practical minimum is confirmed at quotation.
How do I get a quotation?+
Use the RFQ form on this page, or send your drawing, material grade, dimensions, quantity, and service condition to sales@tungstenmetal.com or WhatsApp +86 18673398527.
Does Weison export this product internationally?+
Yes. We export worldwide from Zhuzhou, Hunan, China with export-ready packaging, documentation, and shipment tracking for OEM and distributor customers.
Need photovoltaic tungsten wire matched to your slicing program?
Send your target diameter, breaking-load requirement, quantity plan, and application stage. We can recommend a practical supply option for photovoltaic wire production.
Use the popup for quotation, drawing review, and application details.
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