Not all copper is equal. The purity of the copper in a coil sets a ceiling on how well it can transfer heat and how long it will last.
Here's what purity actually buys you.
Purity and conductivity
Copper is prized for its high thermal conductivity, but impurities disrupt the metal's structure and lower it. Certified 99.9% copper delivers the conductivity the coil was designed around.
Purity and corrosion
Impure copper corrodes more readily, especially in humid or coastal air. Pure copper resists corrosion better, extending service life where it matters most.
Why documentation matters
Claims are easy; certificates are proof. A serious manufacturer can provide material certification confirming purity. See how AGH treats material quality and testing.
The bottom line
Purity isn't a marketing number — it's the foundation of a coil's performance and lifespan. It's why every AGH copper coil starts with certified 99.9% copper.
Key takeaways
- Impurities lower thermal conductivity
- Pure copper resists corrosion better
- Insist on material certification
- 99.9% is the quality benchmark
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