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Rashtriya Metal Industries ltd. is one of the oldest and popular copper foil manufacturers in India. A Copper foil sheet is the base copper thickness. It is applied on outer and inner layers. It is versatile and used for crafts, electricity & etc. It has high conductivity of electricity and heat. We supply copper foils to applications like Roofing & electrical industry, switchgear Industry, Railway Industry, Engineering & Automobile Industries, Radiators and Relays Industries, etc. We are the best Copper foil supplier in India.
| Alloy Name | Cu-ETP | Cu-DHP | Cu-TBC |
| Trade Name | Electrolytic Tough Pitch Copper | Deoxidized, High Residual Phosporus Copper | Tin Bearing Copper |
| Standard Conformance | |||
| IS | IS 191/ 14811/ 1897 | IS 191/ 14811/ 1897 | IS 3331 |
| ASTM | C11000 | C12200 | C14410 |
| BS 2870 | C101 | C106 | - |
| EN 1652 | CW004A | CW024A | - |
| JIS | C1100 | C1220 | - |
| Chemical Composition | |||
| Copper (Cu%) | 99.90 Min | 99.90 Min | 99.50 Min |
| Tin (Sn%) | - | - | 0.07 - 0.20 |
| Phosphourous (P%) | - | 0.015 - 0.040 | 0.015 - 0.045 |
| Other impurities (%) | - | - | - |
| Alloy Name | Trade Name | Temper | Hardness HV | Tensile Strength N/mm2 (Min) | Elongation% min |
| Cu-ETP Copper/Tape | Electrolytic Tough Pitch Copper | Annealed (O) | 55 Max | 195 Min | 35 |
| Quarter Hard(HA) | 55-75 | 215 Min | 25 | ||
| Half Hard (HB) | 75-90 | 250 Min | 15 | ||
| Hard (H) | 90 Min | 274 Min | - | ||
| Extra Hard (HE) | 110 Min | 340 Min | - | ||
| Cu-DHP | Deoxidized, High Residual Phosphorus Copper | Annealed (O) | 55 Max | 195 Min | 35 |
| Quarter Hard(HA) | 55-75 | 215 Min | 25 | ||
| Half Hard (HB) | 75-90 | 250 Min | 15 | ||
| Hard (H) | 90 Min | 274 Min | - | ||
| Extra Hard (HE) | 110 Min | 340 Min | - | ||
| Cu-TBC | Tin Bearing Copper | Annealed (O) | 60 Max | - | - |
| Quarter Hard(HA) | 60-80 | - | - | ||
| Half Hard (HB) | 80-100 | - | - | ||
| Hard (H) | 105-125 | - | - | ||
| Extra Hard (HE) | 125 - 145 | - | - |
| Alloy | For Strips And Foils | For Sheets | |||||
|
Thickness Range (Min - Max) mm |
Width Range (Min - Max) mm |
Coil ID (Min - Max) mm |
Coil Density (Max coil weight) |
Thickness Range (Min - Max) mm |
Width Range (Min - Max) mm |
Length (Max) mm | |
| Copper (XLPE, ETP, DHP, TBC) | 0.030 - 0.3 | 10 - 350 | 100 - 300 | 2 - 3 | - | - | - |
| 0.031 - 0.80 | 10 - 450 | 100 - 300 | 2 - 3 | 0.30 - 1 | 450 Max | 1500 | |
| 0.81 - 3.00 | 20-400 | 300 - 500 | 2 - 3 | 1- 3.00 | 450 Max | 4000 | |
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