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Explore Vinh Hiep’s green Robusta coffee beans for roasters, processors and trade buyers. Compare the published screen sizes and grade specifications before requesting samples.
Start with S13, S16 or S18, then review the black, broken, foreign-matter and moisture limits for the product you are considering.
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>Compare green Robusta grades
Screen size and defect limits describe different parts of a specification. Products with the same screen size may have different black, broken and foreign-matter limits. Compare each published parameter and evaluate a sample against your roasting or processing needs.
| Grade / product | Screen | Black / broken, max. | Foreign matter, max. | Moisture, max. |
|---|---|---|---|---|
| S18 Standard | 18 | 2% | 0.5% | 12.5% |
| S18 Clean | 18 | 0.1% / 0.5% | 0.1% | 12.5% |
| S16 Standard | 16 | 2% | 0.5% | 12.5% |
| S16 Clean | 16 | 0.1% / 0.5% | 0.1% | 12.5% |
| S13 Standard | 13 | 5% | 1% | 13% |
Figures are taken from Vinh Hiep’s published product pages. Clean grades list black and broken limits separately; Standard grades publish a combined black-and-broken limit. Each listed product publishes a minimum 90% retention for its stated screen. Confirm specifications for the shipment being ordered.
Prepare a sample or quotation request
- Describe the application: the roast, blend, brewing format or processing requirement you are working on.
- Select the parameters: screen size, defect and moisture limits, plus processing requirements where relevant.
- State the buying requirements: expected volume, destination and documents requested by your team.
- Connect the sample to the lot: ask for the sample reference, inspection information and how the offered lot will be matched to the evaluated sample.
For company and export information, visit Vinh Hiep’s Vietnam coffee supplier page. For origin-specific questions, read the Gia Lai coffee export and origin guide. A grade name does not by itself identify a farm or growing region.
Use the green coffee sample evaluation guide to prepare your review. Current availability, packaging, document scope and commercial terms are confirmed for each enquiry.
