Quality standard of corn delivery in Dalian Commodity Exchange
(FC/DCE D00 1-2009)
1 range
This standard specifies the quality indexes, grading standards and inspection methods of yellow corn delivered by Dalian Commodity Exchange.
This standard is applicable to the delivery standards and substitutes of corn futures contracts in Dalian Commodity Exchange.
2 reference standard
The clauses in the following documents become the clauses of this standard by reference. All subsequent modifications (excluding errata) or revisions of dated reference documents are not applicable to this standard. For undated reference documents, the latest edition is applicable to this standard.
GB 1353-2009 Corn
GB/T 20570-2006 Rules for Determining the Storage Quality of Corn
3 definition
The definitions adopted in this standard are interpreted according to GB 1353-2009 and GB/T 20570-2006.
Four quality indicators
4. 1 Quality and technical requirements of delivery standards for corn futures contracts:
Bulk density /(g/L) Impurity content (%) Moisture content (%) Bad particle content (%) Total odor, in which: moldy particles ≥ 650 ≤1.0 ≤14.0 ≤ 8.0 ≤ 2.0 is normal.
4.2 Price deduction for quality difference of corn futures contract:
After deducting the project standard product quality requirements and substitute quality requirements (yuan/ton), the bulk density /(g/L)≥650≥620 and < 650-20 moisture /(%) ≤ 14.0 > 14.0 and < 14.50 moldy particles.
4.3 Technical requirements for corn storage quality: storage index, suitable for storage; Outbound indicators should be maintained or moderately inappropriate.
4.4 The allowable range of the total number of imperfect corn grains delivered in bulk grain is ≤ 1 1%.
4.5 Health inspection and plant quarantine shall be carried out in accordance with relevant national standards and regulations.
5 inspection method
According to GB 1353-2009 and GB/T 20570-2006.
6 additional instructions
Dalian Commodity Exchange is responsible for the interpretation of this standard.