I.         Delivery Unit

The contract size for butadiene rubber (BR) futures is 5 metric tons per contract; the delivery unit is 10 metric tons per standard warrant. Delivery shall be made in integral multiple(s) of each standard warrant.

II.        Quality Standards

1. Deliverable butadiene rubber shall meet or exceed the standards set forth in GB/T 8659-2018 Butadiene Rubber (BR) 9000 for Grade I butadiene rubber.

2. Butadiene rubber underlying each standard warrant shall be recognized by SHFE, accompanied by corresponding certificate of quality.

3. Butadiene rubber underlying each standard warrant shall be of the same manufacturer, brand, grade, and packaging specification and have a range of production dates not exceeding 30 consecutive days.

III.      SHFE Recognition

Deliverable butadiene rubber shall be recognized by and registered with SHFE. The lists of recognized manufacturers and registered brands will be separately specified and announced by SHFE.

IV.       Designated Delivery Warehouses and Designated BR Factories

Designated Delivery Warehouses and Designated Factories, as well as the standards of premiums and discounts applied to delivery warehouses at different locations will be specified and separately announced by SHFE.