Sodium Nitrate
(NaNO3)

The properties of sodium nitrate enable it to be used in a great variety of applications, including the production of glass, metal treatment, ceramics, explosives and various chemical processes. SQM produces five grades of sodium nitrate for industrial applications, each one with a different purity grade:

all grades all low in heavy metal

  • Sodium Nitrate Industrial (SSI), industrial grade – prilled, Purity: 98% min
  • Sodium Nitrate Technical (SST), technical grade – prilled, Purity: 99,2% min
  • Sodium Nitrate Refined (SSR), refined grade – prilled, Purity: 99,5% min
  • Sodium Nitrate Refined (SSR-C) refined grade – crystalline, Purity: 99% min
  • Sodium Nitrate Refined (SSR-CS), solar grade – crystalline, Purity: 99,5% min

Potassium Nitrate
(kNO3)

SQM produces potassium nitrate to be used in a variety of applications, including glass, frits, metal treatment and other chemical processes. It comes in two physical forms, crystallized and prilled, and in five grades of purity:

all grades all low in heavy metal

  • Potassium Nitrate Technical (NPC-T) – CRYSTALLINE, Purity: 99,3% min
  • Potassium Nitrate Technical (NPP-T) – Prilled, Purity: 99,3% min
  • Potassium Nitrate Refined (NPP-R) – Prilled, Purity: 99,8% min
  • Potassium Nitrate Refined (NPC-R) – crystalline, Purity: 99,8% min
  • Potassium Nitrate Refined (NPC-RS), therno-solar grade – crystalline, Purity: 99,6% min
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