At Nam Son, we supply a full range of Vietnam black tea, including both Orthodox (loose leaf) and CTC (Crush – Tear – Curl) grades, processed under strict quality control to meet international export standards.
This guide provides detailed specifications to help global buyers understand grading, quality parameters, and application of each tea type.

I. Orthodox Black Tea (Loose Leaf Grades)
Orthodox tea is preferred for loose leaf consumption and premium blending due to its natural leaf structure and balanced flavor.
1. Black Tea OP (Orange Pekoe)
Application: Premium loose leaf, high-end blending
Specifications:
Moisture: ≤ 10%
Foreign Matter: ≤ 0.5%
Fiber Content: ≤ 16%
Leaf Size: Long, twisted whole leaf
Color (Dry Leaf): Black, uniform
Liquor Color: Bright reddish-brown
Liquor Strength: Medium to strong
Aroma: Clean, slightly floral
Taste: Smooth, balanced

2. Black Tea Pekoe
Application: Loose leaf, commercial blending
Moisture: ≤ 10%
Foreign Matter: ≤ 0.5%
Fiber Content: ≤ 16%
Leaf Size: Medium
Color: Dark brown to black
Liquor: Bright, medium
Aroma: Mild
Taste: Smooth
3. Black Tea BOP (Broken Orange Pekoe)
Application: Tea bags, strong blends
Moisture: ≤ 10%
Foreign Matter: ≤ 0.5%
Fiber Content: ≤ 16%
Particle Size: Broken leaf
Color: Dark black
Liquor: Strong reddish
Aroma: BoldTaste: Full-bodied
4. Black Tea BPS (Broken Pekoe Souchong)
Application: Tea bags, mass production
Moisture: ≤ 10%
Foreign Matter: ≤ 0.5%
Fiber Content: ≤ 16%
Particle Size: Small broken
Color: Black
Liquor: Strong, fast infusion
Aroma: Typical tea aroma
Taste: Strong

5. Orthodox Tea Dust
Application: Tea bags, instant tea
Moisture: ≤ 10%
Foreign Matter: ≤ 0.5%
Fiber Content: ≤ 16%
Particle Size: Fine powder
Liquor: Very strong
Aroma: Strong
II. CTC Black Tea (Crush – Tear – Curl)
CTC tea is widely used for tea bags and industrial applications due to fast extraction and strong liquor.
1. CTC BP (Broken Pekoe)
Moisture: ≤ 10%
Foreign Matter: ≤ 0.5%
Fiber Content: ≤ 16%
Particle Size: Medium granular
Liquor: Bright, strong
Taste: Bold
2. CTC BOP
Moisture: ≤ 10%
Foreign Matter: ≤ 0.5%
Fiber Content: ≤ 16%
Particle Size: Smaller than BP
Liquor: Strong, deep color
Taste: Full-bodied
3. CTC PF (Pekoe Fannings)
Moisture: ≤ 10%
Foreign Matter: ≤ 0.5%
Fiber Content: ≤ 16%
Particle Size: Fine
Liquor: Strong, quick infusion
Taste: Strong
4. CTC PD (Pekoe Dust)
Moisture: ≤ 10%
Foreign Matter: ≤ 0.5%
Fiber Content: ≤ 16%
Particle Size: Very fine
Liquor: Very strong
Taste: Intense
5. CTC Dust
Moisture: ≤ 10%
Foreign Matter: ≤ 0.5%
Fiber Content: ≤ 16%
Particle Size: Powder
Liquor: Extremely strong
Taste: Strong
III. International Export Standards for Black Tea
All black tea supplied by Nam Son complies with international export requirements.
According to the Food and Agriculture Organization and Codex Alimentarius, key quality parameters include:
Moisture control (≤ 10%)
Low foreign matter
Clean and hygienic processing
Consistent grading
Microbiological Standards:
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E. coli: Negative
-
Salmonella: Negative
-
Yeast: <300 cfu/g
-
Molds: <300 cfu/g
-
Total Plate Count: <100,000 cfu/g
Heavy Metals:
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Lead: ≤ 1 mg/kg
-
Arsenic: ≤ 1 mg/kg
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Cadmium: ≤ 1 mg/kg
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Mercury: ≤ 0.05 mg/kg
IV. Packaging, MOQ & Supply Capability
Packaging: 25kg / 50kg PP bags or kraft bags
Minimum Order: 1 container (20FT)
Supply Capacity: Stable bulk volume
Export Markets: EU, USA, Middle East, Asia
OEM / Private Label: Available
V. Why Choose Nam Son as Your Black Tea Supplier
Full range of Orthodox and CTC grades
Standardized export specifications
Stable raw material sourcing in Vietnam
Professional export and logistics experience
Support for bulk buyers and private label

Conclusion
With a complete portfolio of Vietnam black tea grades and clearly defined specifications, Nam Son provides reliable, export-ready products for international buyers.
We support importers, distributors, and tea manufacturers with consistent quality and long-term supply partnerships.
FAQ – Vietnam Black Tea Specifications
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What are the main types of Vietnam black tea?
Vietnam black tea is mainly divided into Orthodox (loose leaf) and CTC (crush-tear-curl) grades. -
What moisture level is acceptable for export?
Typically ≤ 10% depending on grade. -
Which tea is best for tea bags?
CTC grades such as BOP, PF, and Dust are most suitable. -
What is the MOQ for black tea export?
Usually 1 container (20FT). -
Can specifications be customized?
Yes, Nam Son can adjust specifications based on buyer requirements.
