Robusta coffee: typical specification
Indicative- Screen size
- S16 (6.3 mm) and S18 (7.1 mm), 90% minimum above screen
- Moisture
- 12.5% maximum
- Black and broken beans
- 2% maximum
- Foreign matter
- 0.1% maximum
- Processing
- Wet polished or natural
- Packing
- 60 kg jute bags, about 19.2 tonnes per 20ft container
Typical specification for reference. The binding specification is the exporter certificate and the contract.
Delivery terms
Documents supplied
Origins

Inspected at loading. Paid against documents.
Independent inspection by SGS, Bureau Veritas, Intertek or an equivalent accredited surveyor, with payment by documentary letter of credit.
About robusta coffee
Robusta is the hardier of the two main coffee species, with higher caffeine and a stronger flavour. It is widely used in espresso blends and instant coffee. Vietnam is the largest producer.
Robusta is graded by screen size, the minimum bean size held on a perforated screen, and by defect count. Wet polished beans are cleaned and polished for a better appearance.
Frequently asked questions
What is the difference between S16 and S18?
The screen size. S18 beans are larger, held on a 7.1 mm screen; S16 beans on a 6.3 mm screen. Larger beans usually command a premium.
Can I get a sample before buying?
Pre-shipment samples can usually be arranged for approval before the contract or before shipment.
How is Robusta priced?
Either as a fixed price per tonne, or against the ICE Robusta futures price plus or minus an agreed differential.
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