Don’t see an answer to your question? us at or call us at (973) 672-! Our office is open weekdays from 8am – 4pm EST.
For more information, please visit Yubang.
Quick Search:
Online Ordering
Wholesale/Bulk
Shipping
Returns/Exchanges
Enameled Copper Craft Wire
Trade Shows/Bead Shows
Do you have an order minimum?
We have a $25 merchandise order minimum. Note that all prices are in USD.
What payment methods do you accept?
We currently accept all major credit cards, Paypal, paper checks, and USPS money orders. Checks and money orders must be made out to CBC Metal Supply/ParaWire and must include either your invoice or order number.
What happens if something is out of stock?
If we are low on a particular item (especially the bulk quantities of wire), we may send you multiple smaller spools to make up the footage you ordered. If we are completely out of stock on an item you ordered, we will or call you to let you know, and to discuss whether you’d like to proceed with a comparable item or wait until the item is back in stock.
I am tax exempt. What should I do?
If you are a tax-exempt business or individual, you will need to provide us with a completed and signed resale certificate. (We can provide a blank document if needed.)
Where can I find coupons?
We send out monthly coupons to our newsletter subscribers. If you’re not yet subscribed, scroll to the bottom of this page for the sign-up form!
Do you have a showroom?
We do not have a storefront, but we do accept walk-ins by appointment. Our office/factory is located in Charlotte, North Carolina.
I’m looking for a particular item that I don’t see on your website. Help!
If you’re looking for something that we don’t normally make, let us know! We may be able to produce it for you (minimums may apply).
Do you sell wholesale?
Yes, we do! Whether you’re a brick-and-mortar bead store, an online supply shop, a jewelry designer with an online business, or a jewelry/wire teacher, we have a program that’ll work for you. Minimums may apply.
How do I open a wholesale account?
Send us an or give us a call at (973) 672- to find out about our wholesale options and associated minimums and requirements.
Do you sell in bulk?
We sell everything in bulk! Price breaks will be determined by how much you order, but they typically start at 10 pounds of an item. To get bulk pricing, send us an or give us a call at (973) 672-.
Do you sell industrial wire and metals?
We produce and sell many products for industrial use, including wire/sheets/rods/bars in bare copper, brass, stainless steel, galvanized and dark annealed steel, German silver, aluminum, and more! These items typically carry minimum order requirements, so call us if you are looking for something in particular.
I’ve just placed an order. When will it ship?
Typical production time (before shipping) is 2-3 business days for most orders. Large orders may take 3-5 days or longer, but we always try to ship every order as quickly as possible. The weeks surrounding holidays and trade shows are especially busy for us, so production may take longer. (Scroll to the bottom of this page for a list of our yearly trade shows.) Please keep in mind that we run every order individually. If you’re in a rush for your order, please call us!
What shipping methods do you use?
Most orders ship via UPS Surepost, USPS Priority Mail, or FedEx. Very large orders and over-sized items may ship with UPS Ground.
Do you ship internationally?
Yes–we ship all over the world! Because of their reliability and relatively short transit time, we typically use USPS Priority Mail International or FedEx (upon request) to ship packages out of the USA. Other arrangements can be made if you contact us.
How much will shipping & handling cost?
The shipping cost will most often depend on the order’s weight and destination (please keep in mind that wire is heavy!):
Can my order be expedited?
Yes! Please call us to arrange expedited shipping. Please note that we do not fill orders or ship any packages on weekends/major holidays.
Will you let me know when my order ships?
As long as you provide a valid address when you place your order, we will send you a tracking notification via when your order ships. Please note that your order status will always say “received” when you log in. Shipping notifications will be sent to the on file.
How long will it take to arrive at my doorstep?
**Please note that COVID-related delays are currently common–please refer to the individual carrier’s website for more accurate transit times. The carrier will be noted in your shipping notification.**
**Please note that once a package enters customs, we will be unable to track it until it has been cleared. At that point, we can only track its progress and cannot make any changes to delivery speed. Depending on the situation, we may be able to initiate a claim/investigation with the carrier for a lost package–keep in mind that this process typically takes several weeks.**
I gave you the wrong shipping address. What now?
Call or us as soon as possible. If the order has not yet shipped, we can adjust the shipping address easily. If the order has already shipped, we can either reroute it (a rerouting fee of approximately $15 – $20 will apply) or reship the order at your expense.
Can I return an item if I don’t like it or if I ordered the wrong color/gauge?
Yes, as long as it’s returned within 30 days of purchase. Mail the item back to us for either a merchandise credit (refund or store credit) or an alternative item—shipping fees will be your responsibility. Please contact us before returning any items.
You sent me the incorrect item. What do I do now?
or call us as soon as possible. We will make it right!
The item I received was damaged. Can I exchange it?
or call us within 30 days of purchase to discuss options. We may ask you to send photos of the damaged item(s). In some cases, we may need to file a claim with the shipping carrier.
I received a shipping notification, but my order has not arrived. What happens next?
or call us to discuss options. In some cases, we may need to file a claim with the shipping carrier. We will do our best to make it right.
What is difference between METALLIC and SILVER PLATED colors?
Our colored copper craft wire is divided into two categories: Metallic and Silver Plated.
How durable is the wire’s coating?
ParaWire has the most durable coating on the market and will withstand plenty of general wear and manipulation. Please keep in mind that extended periods of direct sunlight and/or water/humidity exposure may weaken the coating and/or cause it to become faded/discolored. Be gentle and kind to your wire and it will stay beautiful for many years to come!
Is your colored wire lead- and nickel-free?
Yes and yes!
What temper is ParaWire?
All our wire is soft temper. The only exception is our half-hard 10+ silver filled wire, which is labeled as such.
What is your VIP Discount Program all about?
Our VIP program rewards you for shopping with us! Earn a VIP status and save up to 15% on every order of our craft wire. (Your VIP discount cannot be used in conjunction with any other coupon/discount) There are three VIP statuses:
Your discount is calculated based on a continuous 90-day “lookback.” If you place an order today, whatever you spent (minus shipping and taxes) over the last 90 days will count toward today’s order discount.
What items qualify for the VIP Discount? **UPDATED 10/**
While you can accumulate points from orders of all products on our website, the VIP Discount will apply only to our craft wire products: colored wire (metallic/silver plated), bare wire, Enameled Aluminum wire, memory wire, and silver filled wire.
If I call an order in, will that order amount count toward my VIP total?
Currently, only orders placed online through our website are counted toward your VIP order accumulation.
Copper wire is everywhere — in vehicles, electronics, homes, and industrial systems. It’s so essential to modern infrastructure that most manufacturers assume it’s always pure. But is it?
That question isn’t just academic. The purity of copper wire directly impacts electrical conductivity, structural performance, and long-term reliability — all of which are critical for manufacturers who stake their reputation on quality.
While copper is naturally conductive, not all copper wire is created equal. Some may be alloyed for specific applications; others may contain trace impurities that affect functionality. Understanding what’s really inside your copper wire is more than due diligence — it’s a competitive advantage.
At Ledoux & Co., we’ve spent over 140 years providing ISO -accredited analysis of copper and its alloys. Whether you’re refining, fabricating, or sourcing copper materials, knowing exactly what you’re working with helps you minimize risk, maintain compliance, and meet the highest industrial standards.
Purity in metals isn’t just about appearance — it’s about atomic integrity. When manufacturers refer to “pure copper,” they’re typically referring to copper that is 99.9% elemental copper or higher. This standard is essential for industries that rely on maximum electrical conductivity and low resistance, such as electronics, telecommunications, and precision engineering.
For more information, please visit Metal Wire Supplier.
However, “pure” is a relative term in metallurgy. Even the most refined copper may contain trace amounts of oxygen, silver, sulfur, or other elements — most of which are introduced during mining, smelting, or refining. These microscopic amounts can influence how copper performs, especially when applied in high-spec environments.
So, what separates pure copper from “just copper-colored” material? It comes down to controlled refining processes and rigorous quality standards. True high-purity copper is free of performance-compromising contaminants — and verifying that purity requires expert lab analysis using methods like optical emission spectroscopy, wet chemistry, or instrumental analysis.
At Ledoux & Co., we don’t just look at surface assumptions. Our metallurgical experts identify what lies beneath — offering manufacturers trusted, third-party validation that their copper meets commercial and technical standards before it’s used in mission-critical systems.
Not all copper is equal — and the differences between grades can directly impact your product’s performance, reliability, and compliance.
This is the most widely used grade in electrical applications. It contains 99.9% copper and a small amount of oxygen, which improves strength but slightly reduces conductivity. ETP copper is ideal for wiring, motors, and transformers.
With virtually no oxygen content, OFHC copper is prized for its superior conductivity and resistance to hydrogen embrittlement. It’s used in aerospace, high-frequency systems, and medical equipment where purity is mission-critical.
Used for general construction and plumbing, this type may contain more impurities or be partially recycled. While still functional, it doesn’t meet the standards required for high-spec manufacturing.
Often found in electronic scrap (e-scrap) or recovered from catalyst materials, this copper must be retested and reclassified — sometimes re-refined — to determine whether it meets industrial-grade purity.
Manufacturers sourcing from areas like Phoenix, Arizona, should be aware that scrap copper prices in Phoenix, Arizona can vary depending on grade and purity. Knowing the exact classification can protect margins and improve sourcing decisions.
It’s a common misconception that all copper wire is made from 99.9% pure copper. In reality, many copper wires are intentionally alloyed to meet specific performance or durability goals.
Pure copper is soft and malleable. While that’s great for conductivity, it’s not ideal for structural strength. In demanding environments — like automotive systems, heavy equipment, or marine installations — manufacturers often turn to copper alloys that enhance hardness, tensile strength, or corrosion resistance.
More rigid and durable than pure copper, often used in mechanical components and plumbing fixtures.
Known for its corrosion resistance, particularly in marine environments.
Offers exceptional strength and fatigue resistance, used in aerospace and high-stress electrical components.
Though silver in color, it’s a copper-based alloy valued for wear resistance and aesthetic appeal.
These alloys may look like copper — but functionally, they behave differently. They conduct electricity at lower efficiency, respond differently to stress, and may require specific regulatory documentation depending on their use.
If you’re sourcing from regions known for mining activity like Arizona, which produces a significant portion of Arizona copper ore, it’s important to know how the material has been refined and whether it meets end-use specifications.
At Ledoux & Co., our in-depth analysis identifies not just the presence of copper — but every alloyed element within, down to the trace. That means no surprises in your supply chain, and no shortcuts on quality.
Before copper wire reaches a reel or a circuit board, it undergoes a rigorous transformation — from raw ore to refined metal. Understanding this refining process is key to knowing how copper achieves its purity levels, and where variations might occur.
Most copper starts as sulfide or oxide ore extracted from the earth. After initial crushing and concentration, the metal moves through one of two main refining methods:
Used primarily for impure or scrap copper. Involves melting and oxidation to remove sulfur and other contaminants. While effective, it can leave behind trace impurities that lower purity to around 98–99%.
The gold standard for high-purity copper. In this method, impure copper acts as the anode and pure copper is deposited at the cathode in an acid-based solution. This yields copper at 99.99% purity — ideal for electrical, medical, and high-tech applications.
The difference between 98% and 99.99% may seem small — but in precision manufacturing, it’s massive. Trace impurities can affect conductivity, corrosion resistance, and machinability.
Ledoux & Co. specializes in verifying the outcome of these refining processes. Whether you’re sourcing raw material, refined copper, or scrap, our analysis ensures you know exactly what you’re dealing with — especially important in regions where copper prices in Arizona fluctuate with purity grades.
In manufacturing, copper purity isn’t a technicality — it’s a cornerstone of performance. Whether you’re producing wiring harnesses, semiconductors, or industrial tubing, the quality of copper used can determine everything from operational efficiency to product safety.
Copper’s legendary electrical conductivity is only maximized when it’s free of impurities. Even small traces of sulfur, iron, or phosphorus can degrade performance. For industries relying on ultra-efficient energy transfer — such as power grids, EVs, and aerospace systems — this degradation isn’t just inconvenient, it’s unacceptable.
Beyond electrical performance, alloyed or impure copper can:
These aren’t just theoretical risks. Failing to validate copper content can lead to:
Copper Concentrates Testing is a go-to solution for companies who demand verifiable quality. With ISO accreditation, our results are trusted for:
Assuming copper wire is pure without validation is a risk no manufacturer should take. Fortunately, verifying copper’s purity is a straightforward process — when done with the right tools and partners.
Instrumental Analysis (ICP, OES, XRF)
Detects and quantifies elemental composition with high precision
Wet Chemistry Testing
Particularly useful for low-concentration impurities
Fire Assay (when applicable)
Common for precious metals; can verify content in complex matrices
Each method has its strengths — and using multiple can provide a full-spectrum view of copper quality. At Ledoux & Co., we tailor our approach based on your specific material and the standard you need to meet.
Using a certified third-party lab like Ledoux & Co. ensures your results are unbiased, commercially reliable, and legally defensible. Our team offers more than just numbers — we offer peace of mind through scientifically rigorous, ISO -accredited testing.
Submit a Sample today to gain clarity, protect your business, and ensure your copper meets the expectations your products depend on.
Copper wire may look the same on the surface — but what’s inside can vary dramatically. As we’ve uncovered, not all copper wire is pure. From the presence of alloyed elements to subtle differences in refining, the material you’re working with can directly impact product performance, safety, and compliance.
Manufacturers who rely on copper for electrical, mechanical, or structural applications must understand the grade, test for purity, and verify material integrity before production begins.
At Ledoux & Co., we make that clarity possible. With over 144 years of metallurgical excellence, our ISO -accredited lab delivers precise, impartial analysis trusted by industries around the globe. Whether you’re sourcing raw copper, refining scrap, or verifying third-party material, we’re here to ensure your decisions are backed by science — not assumptions.
Have questions? Need to verify your copper supply?
The company is the world’s best Wire Mesh Fence supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.