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High-Quality Lead-Free Soldering at Competitive Price
Wonderway Sn42/Bi58 T4 lead free solder paste is a high-quality alloy designed for electronics soldering. It features a 138℃ melting point, no-clean formulation, and strong viscosity, ensuring bright, reliable welds on PCB, IC, CPU, LED, and BGA components. Its pushing design allows for smoother flow and minimal waste during welding, making it suitable for both industrial and household repairs.
Manufactured with alloy Tin 42% and Bi58, this solder paste provides excellent electrical conductivity and mechanical strength. Its bright welding point ensures precise joints, reducing rework and improving efficiency. Widely used in circuit board assembly, phone repairs, TV servicing, and industrial equipment, it supports professional-grade soldering with ease.
In India, this imported solder paste offers a consistent, no-waste solution for electronics technicians and hobbyists. Delivered via ExpressBox, it arrives within 12-14 days, with all duties included for hassle-free import. Perfect for high-precision soldering tasks, it ensures quality results every time.
Premium USA-Grade Alloy Composition
Wonderway solder paste uses a precise alloy of 42% tin and 58% bismuth, ensuring excellent electrical conductivity and bright welds. Its no-clean flux reduces cleaning time, supporting efficient PCB assembly and repairs in India.
Ideal for Indian Electronics Professionals
Designed for high-precision soldering, this lead-free paste supports eco-friendly, safe, and reliable electronics assembly. Skip if you need a low-melting or leaded solder; this is for high-quality, lead-free applications.
Typical situations where Wonderway Sn42/Bi58 T4 Lead Free Solder Paste 30g | No Clean helps — illustrative scenarios, not customer reviews.
An electronics technician in Mumbai repairs PCB assemblies for smartphones, needs a no-clean, lead-free alloy supporting bright joints.
Using Wonderway solder paste, they achieve reliable, clean solder joints, reducing rework, supporting fast turnaround, and saving ₹ on cleaning chemicals.
| Alloy Composition | Tin 42%, Bi 58% |
| Flux Content | 10.5% |
| No Clean | Yes |
| Electrical Conductivity | Excellent |
| Serving Size | 30g per application |
| Cost per use | ₹76.00 per gram |
| Shelf life after opening | 12 months |
| Reapplication math | One 30g tube supports approx. 50-60 joints |
| Contraindications | Avoid inhaling fumes, use in ventilated area |
| Allergens / irritants | Flux chemicals |
| Feature | Wonderway Sn42/Bi58 T4 | Others |
|---|---|---|
| Alloy Composition | Tin 42%, Bi 58%, high electrical conductivity, no-clean, bright welds | Local lead-free solder alloys vary; often contain less Bi, may require cleaning, with inconsistent brightness |
| Melting Point | 138°C supports precise, stable joints | Most Indian solders melt around 135-140°C but may lack no-clean formulation |
| Price per gram | ₹76.00 per gram | ₹300-₹500 for 30g, often with lower purity or lead content |
| Application Range | PCB, IC, CPU, LED, BGA, industrial use | Commonly used in household repairs, with limited industrial-grade options |
| SKU | sva3237 |
| GTIN | 0796520309357 |
| Brand | wonderway |
| Size | T4 30g |
| Material | Solder Paste |
| Melting Point | 138°C |
| Application | PCB, IC, CPU, LED, BGA |
About wonderway
Wonderway specializes in high-quality soldering products, supporting electronics repair and manufacturing with reliable, lead-free alloys.
Compliance & Legal
Ensure proper ventilation during use. No specific safety warnings beyond standard soldering precautions. No certifications claimed.
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This item:
Wonderway Sn42/Bi58 T4 Lead Free Solder Paste 30g | No Clean, 138℃ Melting Point, USA Import
2,280
This item
Wonderway Sn42/Bi58 T4 Lead Free Solder Paste 30g | No Clean, 138℃ Melting Point, USA Import
2,280
Total price:
6,470
You save 1,260 (16%) Extra3 items selected
3 items
6,470You save 1,260 (16%) Extra
| Attributes | Current |  |  |  |  |  | |
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 2,280 2,480 | 1,910 2,770 | 2,280 2,480 | 2,660 2,860 | 6,260 7,980 | 4,540 6,770 | 6,850 10,320 |
| Brand Name | wonderway | wonderway | wonderway | wonderway | Eagle Abrasives | Threadmade | Rubbermaid |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
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