Vietnam is the world’s leading producer of Robusta coffee, supplying a significant share of global demand.
At Nam Son, we specialize in Robusta Grade 1 Screen 18 (S18), delivering consistent quality, large bean size, and reliable bulk supply for international buyers.
Our Robusta S18 is designed for roasters, instant coffee manufacturers, and industrial applications requiring uniform roasting performance and stable specifications.
What is Robusta S18 Coffee?
Robusta S18 refers to coffee beans where:
- ≥ 90% retained on Screen 18 (7.1 mm)
- Large, uniform bean size
- Suitable for even roasting and strong flavor development
👉 This grade is widely used in:
- Espresso blends
- Instant coffee production
- Commercial roasting
Robusta S18 Product Range
1. Robusta S18 Clean
High-purity coffee processed with advanced cleaning and sorting systems.
Specifications:
- Moisture: ≤ 12.5%
- Black Beans: ≤ 0.1%
- Broken Beans: ≤ 0.5%
- Foreign Matter: ≤ 0.2%
- Screen Size: ≥ 90% Screen 18
- Processing: Natural, machine cleaned
👉 Ideal for: consistent roasting & clean cup profile
2. Robusta S18 Wet Polished
Additional polishing step for improved appearance and uniformity.
Specifications:
- Moisture: ≤ 12.5%
- Black Beans: ≤ 0.1%
- Broken Beans: ≤ 0.5%
- Foreign Matter: ≤ 0.2%
- Screen Size: ≥ 90% Screen 18
- Processing: Wet polished
👉 Suitable for: premium blends & specialty applications
3. Robusta S18 (Custom / Buyer Standard)
Flexible production based on buyer specifications.
Specifications:
- Moisture: ≤ 12.5%
- Defects: adjustable per contract
- Screen: ≥ 90% Screen 18
- Processing: customized
👉 Supports OEM & private label projects
Quality Standards & Control
Nam Son applies strict quality control across the supply chain:
- Raw material selection from Central Highlands
- Cleaning, grading, and sorting
- Moisture control and drying
- Final inspection before shipment
👉 Compliant with international requirements:
- ISO
- HACCP
- Food safety export standards
Packaging & Export Capacity
- Packaging: 60kg jute bags / PP bags / customized
- MOQ: 1 container
- Supply capacity: stable bulk volume
- Markets: EU, USA, Middle East, Asia
👉 Ensuring product stability during long-distance transport
Why Choose Nam Son Robusta S18?
✔️ Large uniform beans (Screen 18)
✔️ Low defect rate
✔️ Stable bulk supply
✔️ Competitive Vietnam origin pricing
✔️ Flexible customization (OEM / private label)
Applications of Robusta S18
- Espresso blends
- Instant coffee production
- Industrial roasting
- Commercial coffee manufacturing
FAQ – Robusta S18 Coffee
What does Screen 18 mean?
It means beans are retained on a 7.1 mm screen, indicating large and uniform size.
What is the moisture standard?
Typically ≤ 12.5% for safe storage and export.
Is Robusta S18 suitable for espresso?
Yes, it provides strong body, high caffeine, and good crema.
Can Nam Son supply bulk orders?
Yes, we support large-volume export with consistent quality.
Conclusion
Robusta S18 is a premium commercial grade offering uniform size, strong flavor, and high processing efficiency.
With reliable sourcing, strict quality control, and flexible export solutions, Nam Son is a trusted partner for global coffee buyers.