Technical standards of exported Robusta green coffee

  1. Standard for dry-processed Robusta green coffee, Type 1, Sieve 18(Robusta coffee grade 1 on screen No. 18)

Humidity: 12.5% max

Rate of black and broken beans: 2% max

Foreign matter ratio: 0.5% max

Other coffee bean ratio: 0.5% max

Minimum 90% on screen (>90% on Screen No.): 18 (7.1mm)

Packaging: 60 kg in a full bag

Export standard (19.2 tons/container)

  1. Standard for dry-processed Robusta green coffee, Type 1, Sieve 16(Robusta coffee grade 1 on screen No. 16)

Humidity: 12.5% max

Rate of black and broken seeds: 2% max

Impurity rate: 0.5% max

Percentage of foreign particles: 0.5% max

Minimum 90% on sieve: 16 (6.3 mm)

Packaging: 60 kg in a full bag

Export standard (19.2 tons/container)

  1. Standard for dry-processed Robusta green coffee, Type 2, Sieve 13(Robusta coffee grade 2 on screen No. 13)

Humidity: 13% max

Rate of black and broken seeds: 5% max

Impurity rate: 1% max

Percentage of foreign particles: 1% max

Minimum 90% on sieve: 13 (5.0 mm)

Packaging: 60 kg in a full bag

Export standard (19.2 tons/container or 21.6 tons/blowing container)

  1. Robusta green coffee standard for wet processing (full washed) special, type 1, sieve 16, sieve 18(Robusta coffee washed special grade 1 on screens No. 16, No. 18)

Humidity: 12.5% max

Rate of black seeds: 0% max

Broken grain rate: 0.2% max

Impurity rate: 0.1% max

Ratio of sticks and stones: 0.02% max

Minimum 90% on sieve: 18 (7.1mm), 16 (6.3mm) sieve

Packaging: 60 kg in a sack filled with vegetable oil

Export standard (18 tons per container)

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