T1 Copper Tape
Gnee Steel (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of t1 copper tape in China, also supports customized service. Welcome to buy discount t1 copper tape for sale here from our factory. Quality products and reasonable price are available.
What is T1 Copper Tape?
T1 pure copper strip is a kind of high purity copper strip with high copper content, its purity is up to more than 99.95%, so it has very excellent electrical and thermal conductivity. Meanwhile, T1 Purple Copper Strip also has good mechanical properties, corrosion resistance and processing performance, which can be used stably for a long time in various environments.
Our Precision Manufacturing Process
Manufacturing Oxygen-Free Copper requires more than just standard rolling. At GNEE, we employ state-of-the-art processing to ensure the "Oxygen-Free" integrity:
Vacuum Upward Casting: We use advanced vacuum induction melting furnaces to prevent oxygen absorption during the initial casting.
Inert Gas Protection: Throughout the annealing and slitting process, the copper is shielded by nitrogen or argon gas to prevent surface oxidation.
Clean-Room Slitting: To avoid contamination, our T1 tapes are slit and wound in a controlled clean-room environment, ensuring oil-free and dust-free surfaces for vacuum applications.
Professional T1 Pure Copper Strip Supplier--GNEE

Chemical Composition
| Element | Minimum Content (%) | Maximum Content (%) |
|---|---|---|
| Copper (Cu) | ≥ 99.95 | - |
| Silver (Ag) | Included in Cu | - |
| Phosphorus (P) | - | ≤ 0.001 |
| Tin (Sn) | - | ≤ 0.002 |
| Zinc (Zn) | - | ≤ 0.005 |
| Lead (Pb) | - | ≤ 0.005 |
| Nickel (Ni) | - | ≤ 0.005 |
| Iron (Fe) | - | ≤ 0.005 |
| Antimony (Sb) | - | ≤ 0.002 |
| Sulfur (S) | - | ≤ 0.005 |
| Bismuth (Bi) | - | ≤ 0.001 |
| Oxygen (O) | - | ≤ 0.06 |
Physical Properties
| Property | Specification | Unit |
|---|---|---|
| Density | ~ 8.9 | g/cm³ |
| Melting Point | ~ 1084.5°C | °C |
| Thermal Conductivity | High | W/(m·K) |
| Electrical Conductivity | Excellent | %IACS |
| Tensile Strength (σb) | ≥ 275 | MPa |
| Elongation at Break (δ10) | ≥ 5 | % |
| Elongation (δ5) | ≥ 10 | % |
Grade Comparison: T1 vs. T2 vs. TP2
| Feature | T1 (C10200 / OFC) | T2 (C11000 / ETP) | TP2 (C12200 / DHP) |
| Type | Oxygen-Free Copper | Electrolytic Tough Pitch | Phosphorus Deoxidized |
| Purity | Very High (≥99.99%) | High (≥99.90%) | High (≥99.90%) |
| Conductivity | Highest | Standard | Lower due to P |
| Oxygen Content | Extremely Low (<10ppm) | ~200-400ppm | Low (Deoxidized) |
| Hydrogen Embrittlement | Immune (Safe) | Risk (Unsafe in H2) | Immune (Safe) |
| Price | $ (Premium) | (Standard) | (Standard) |
| Best Application | High-end Audio, Vacuum Seals, Cryogenics | General Electrical, Busbars, Grounding | HVAC Tubing, Welding, Roofing |
Application areas
Because of its excellent performance, T1 copper metal strip is widely used in various fields. In the field of electronics, T1 copper strip is used to manufacture lead frames for integrated circuits, soldering bases for electronic components, electromagnetic shielding materials and so on. In the field of electrical appliances, T1 copper foil is used to manufacture all kinds of high and low voltage electrical appliances, switches, sockets and so on. In the field of communication, T1 red copper tape is used to manufacture the shielding layer of communication cables, fiber optic armoring layer and so on. In the automotive field, T1 conductive copper tape is used to manufacture conductive connectors for automotive parts. In the aerospace field, T1 corrosion-resistant copper strips are used to manufacture conductive connectors and radiators for aircraft components.
Large-scale factory production of T1 conductive copper strip
Operated from our state-of-the-art [20,000+ sqm] facility, we are a vertically integrated manufacturer specializing in high-precision copper processing. From raw material smelting to final slitting, our production line features advanced rolling mills and automated quality control systems capable of achieving tolerances as tight as ±0.005mm. With an annual capacity exceeding [5,000 tons] and ISO 9001:2015 certification, we guarantee consistent purity and performance for every roll, serving clients across the electronics, automotive, and construction industries worldwide.

Why choose our T1 high purity copper foils
GNEE is an enterprise engaged in the research, smelting and processing of copper and copper alloys. The factory covers an area of 350,000 square meters, and now has a series of production equipments such as vacuum induction furnace imported from the United States, vacuum consumable arc furnace made in Germany, 2800mm four-high reversible rolling mill, vacuum annealing furnace, and so on, which can customize the production of any size of plate within 2.6m * 16m, and the maximum length of a single pipe can reach 15m.

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