1  Scope

This standard herein (the "Standard") stipulates the delivery quality standards, inspection methods, package, labeling, storage, transportation and other requirements under the polished round-grained rice futures contract of DCE.

The Standard applies to standard products and substitute products delivered under the polished round-grained rice futures contract of DCE.

2  Cited rules and standards

The provisions of the following documents are incorporated as provisions of the Standard by reference. For those cited documents noted with dates, all of their following amendments (excluding corrections) and revised versions shall not be applied to the Standard; for those without noted dates, their latest versions shall be applied to the Standard.

GB 1354-2018 Milled Rice

GB/T 15684-2015 Inspection of Grain Grinding Products and Fatty Acid Value

LS/T 6116-2017 Classification of Rice Grain Shape

3  Terms and definitions

Terms and definitions under this Standard shall be interpreted in accordance with GB 1354-2018.

4  Quality standards

4.1 Quality requirements for standard products delivered under polished round-grained rice futures contract

Table 1: Sensory Indicators

  • Item

Quality Requirement

Odor and Color

No abnormal odor or color

Table 2: Physical and Chemical Indicators

  • Item

Unit 

Quality Requirement

Processing Precision

 N/A

No rind in the back bitch or the rind cannot be connected as a line, more than 90% of the rind on the rice embryo and grain surface has been removed and cleaned

Broken Rice

Total amount

%

7.5

Small broken rice included

%

0.5

Unsound grain

%

1

Impurity

Total amount

%

0.1

Inorganic impurity included

%

0.02

 Moisture

%

13 and 14.5

Yellow-colored rice

%

0.1

Mixed grain

 %

5

Chalkiness ratio

 %

6

Fatty acid value

mg/100g

18

Length-width ratio

 N/A

2.5

4.2 Premium and/or Discount by quality difference under polished round-grained rice futures contract

Item

Quality Requirements for Standard Products

Quality Requirements for Substitutes

Premium and/or Discount (CNY/MT)

Moisture(%)

13 and 14.5

14.5 and 15.5, during the period beginning from the first calendar day (inclusive) after the last delivery day of October contract per year to the last delivery day (inclusive) of March contract in the following year

-50

5  Inspection methods

5.1 The amount of sampling is subject to the sampling plan in GB/T 1354-2018 and shall be executed as the nearest larger round integer, and the inspection method shall be in compliance with the relevant regulations in GB/T 1354-2018.

5.2 Fatty acid value inspection shall be subject to GB/T 15684-2015.

5.3 Length-width ratio inspection shall be subject to LS/T 6116-2017.

6  Package and labeling

6.1 Apply the brand-new plastic woven bags with one or two layer lamination, and the packaging shall be subject to GB/T 1354-2018.

6.2 Net weight per bag shall be 25±0.2 kilogram.

6.3 Labeling of packed polished round-grained rice shall be subject to the relevant provisions of GB/T 1354-2018.

7  Storage and transportation

Storage and transportation shall be subject to the relevant provisions of GB/T 1354-2018.

8  Additional note

The Standard shall be subject to the interpretation of DCE.

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