7B3C1

Mainly applicable for metal smelting
Precious metals: Gold, Silver, Platinum, Palladium (for jewelry casting, gold bars and silver ingots production)
Common non-ferrous metals: Pure Copper, Brass, Bronze, Red Copper, Aluminum, Aluminum Alloy, Zinc, Tin, Lead
Foundry alloys: Die-cast Alloy, Wear-resistant Alloy, Bearing Alloy, Special Foundry Alloy for Mechanical Hardware

Mainstream compatible furnace types
Medium-frequency induction melting furnace, high-frequency melting furnace, industrial resistance furnace, gas melting furnace, coke melting furnace, diesel furnace, laboratory high-temperature muffle furnace

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Provide efficient solutions for the metal smelting industry

Product drawing

Basic feature

Performance indicators	Ordinary graphite block	Standard anti-oxidation graphite block	High-end thickened anti-oxidation graphite block
Carbon content	≥99.85	≥99.95%	99.99%l
Ash content	≤200ppm	≤50ppm	≤5ppm
Volume density	1.70～1.75g/cm³	1.78～1.82g/cm³	1.82～1.86g/cm³
Compressive strength	≥40MPa	≥55MPa	≥65MPa
Thermal conductivityfficient	100～120W/(m·K)	125～145W/(m·K)	145～160W/(m·K)
Coefficient of linear expansion	3.0～3.5×10⁻⁶/℃	2.5～2.8×10⁻⁶/℃	2.2～2.5×10⁻⁶/℃
Antioxidant property	1200℃ annual oxidation rate ≥ 0.8mm	1200℃ annual oxidation rate ≤ 0.15mm	1200℃ annual oxidation rate ≤ 0.15mm

Why choose us?

1. Super high quality: Comprehensive control over every aspect from materials to processes.
2. Core technology fully controllable: Proficient in key processes such as high-temperature graphitization and purification, supporting 72-hour non-standard customization response.
3. Ultimate quality guarantee: High-purity products reach 5N + purity, resistant to 3000℃ high temperature + strong corrosion, with full batch traceable testing.
4. Uninterrupted full-cycle service: Large-scale production + 5-7 days small-batch delivery, 24-hour technical response + on-site support.

Our address

Mengzhuang Town, Huixian City, Henan Province

Phone Number

+86 15617175030

E-mail

graphite.jc@gmail.com