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Tea

Commodity Code - 44
Commodity Name - Tea
Commodity scientific Name - Camellia sinensis

 

(Tea Board) Grades of CTC Tea

 

Category Grades Nomenclature Wire Mesh(Stainless Steel)Size Thickness of Wire SWG Primary density in cubic centimeter(cc) for net 100 gm. of tea Secondary density in cubic centimeter(cc) for net 100 gm. of tea
1 2 3 4 5 6 7
CTC Broken leaf FP Flowery Pekoe Through 6, above 8 Mesh 6xSWG 18 - -
BPS Broken Pekoe Souchong Through 6, above 8 Mesh 6 x SWG 20 Or Mesh 8x SWG 22 300 320
PEKOE Pekoe Through 8, above 10 Mesh 8 x SWG 20 to 22 - -
BOPL Broken Orange Pekoe Large a) Through 8, above 10 Or (b) Through 10,above 12 (a) Mesh 10 x SWG 24 Or(b) Mesh 10 x SWG 22 to 23 - -
BOP Broken Orange Pekoe (a) Through 10, above 12 Or (b) Through 12,above 14 (a) Mesh 10 X SWG 22 (b) Mesh 12x SWG 23 to 25 280 300
CTC Fanning BOPsm Broken Orange Pekoe small (a) Through 10,above 12 Or(b) Through 12, above 14 (a) Mesh 12 x SWG 24(b) Mesh 14 x 270 295
BP Broken Pekoe (a) Through 12, above 18Or(b) Through 14, above 18 (a) Mesh 18 X SWG 26 (b) Mesh 14 xSWG 24(c) Mesh 18X SWG 26 265 275
BPsm Broken Pekoe small Through 18, above 20 Mesh 18 x SWG 27 to 28 - -
OF Orange Fanning’s (a) Through 18, above 24 Or(b) Through 20,above 24 (a) Mesh 24 x SWG 28 Or(b) Mesh 20 xSWC 28to 30 255 270
PF Pekoe Fanning’s (a) Through 18, above 24 Or(b) Through 20, above 24 (c) Mesh 24 x SWG 28 Or(d) Mesh 20 x SWC 28 to 30 255 270
BOPF Broken Orange Pekoe Fannings (a) Through 18, above 24 Or(b) Through 20, above 24 (a) Mesh 24 x SWG 28 Or (b) Mesh 20 x SWC 28 to 30 - -
CTC Dust PD Pekoe Dust Through 24, above 30 Mesh 30 x SWG 28 to 35 230 240
D Dust Through 30, above 40 Mesh 50 x SWG 37 210 215
CD Churamani Dust Through 40, above 50 Mesh 50 x SWG 37 210 215
RD Red Dust Through 30, above 40 Mesh 50 x SWG 30 to 35    
GD Golden Pekoe Through 50 Mesh 50 x SWG 36 - -
SRD Super Red Dust Through 40, above 50 Mesh 50 x SWG 36 - -
FD Fine Dust Through 50 Mesh 50 x SWG 37 - -
SFD SSuper Fine Dust Through 50 Mesh 50 x SWG 38 - -

 

Assaying parameters as per Tea Board

 

Parameters Green Tea Black Tea Kangra Tea Instant Tea
Total Ash, per cent by mass Between 4.0% and 8.0% Between 4.0% and 8.0% Between 4.5% t 9.0% Max 20.0%
Acid Insoluble Ash, per cent by mass Max. 1.0% Max 1.0% Max. 1.2% --
Alkalinity of Water Soluble Ash (as K20) per cent by mass Between 1.0% and 2.2% Between 1.0% and 2.2% Between 1.0% and 2.2% --
Alkalinity of Water Soluble Ash (as K20) per cent by mass Between 1.0% and 2.2% Between 1.0% and 2.2% Between 1.0% and 2.2% --
Water Soluble Ash of total ash per cent by mass Min 40.0% Min 40.0% Min 34.0% --
Water Soluble Extract per cent by mass Min 32.0% Min 32.0% Min 23.0% --
Crude Fibre Content per Max. 17.0% Max. 17.0% Min 18.5% --
Total catechins per cent by Total catechins per cent by mass Min 9.0% -- -- --
Moisture content % (m/m) Max -- -- -- 6.0
Additional Requirements – Metallic Contaminants
Lead mg/kg. max 10.0 10.0 10.0  
Copper, mg/kg. max 150.0 150.0 150.0  
Additional Requirements – Pesticide Residues MRL (ppm)
Ethion 50% EC, (maximum) 5.0 5.0 5.0  
Quinalphos 41%S.L (maximum) 0.01 0.01 0.01  
Dicofol, (maximum) 5.0 5.0 5.0  
Glyphosate (maximum) 1.0 1.0 1.0  
Fenzaquin (maximum) 3.0 3.0 3.0  
Additional Requirements – Mycotoxins
Aflatoxin (mg/kg) 0.03 0.03 0.03  

 

Shelf Life 5 Months
Initial Validity of e NWR 3 Months
Extension of e NWR Validity 1 Month
Number of Extensions 02