Appendixes

Appendix for Standard TSR 20 Futures Contract of the Shanghai International Energy Exchange

Updated on May 04,2023

I. Delivery Unit

The delivery unit of standard TSR 20 futures contract is 100 metric tons. The delivery quantity shall be integral multiple(s) of the delivery unit.

II. Quality Standards

1. The quality of physically delivered TSR 20 shall meet the standards set out by the Exchange.

Quality Standards for TSR 20 of the Shanghai International Energy Exchange

Properties	Limit	Test Method
Dirt retained on the 45 μm sieve maximum % (mass fraction)	0.16	GB/T 8086
Ash maximum % (mass fraction)	1.0	GB/T 4498.1
Nitrogen content maximum % (mass fraction)	0.6	GB/T 8088
Volatile-matter content maximum % (mass fraction)	0.8	GB/T 24131.1
Initial plasticity (P₀) minimum	30	GB/T 3510
Plasticity retention index (PRI) minimum	40	GB/T 3517

2. TSR 20 underlying each standard warrant shall be registered with the Exchange, accompanied by the corresponding certificate of quality.

3. TSR 20 underlying each standard warrant shall comprise rubber of the same brand, manufacturer (factory), and packaging specification.

III. Registered Commodity

Registered commodity and their manufacturers (factories), and the rate of premium and discount thereof for various brands will be separately announced by the Exchange.

IV. Designated Delivery Storage Facilities

Designated delivery storage facilities and the rate of premium and discount thereof will be separately announced by the Exchange.