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Dalian Commodity Exchange PP Futures Contract


Polypropylene (PP)

Trading Unit


Price Quote


Tick Size


Daily Price Limit

5% of last settlement price

Contract Months

Monthly contracts (12 contracts per year)

Trading Hours

9:00 - 11:30 am, 1:30 - 3:00 pm Beijing Time, Monday - Friday

Last Trading Day

10th trading day of the delivery month

Last Delivery Day

3rd day after the last trading day of the delivery month

Deliverable Grades

DCE PP Delivery Quality Standards

Delivery Location

The warehouses appointed by the DCE

Minimum Trading Margin

6% of the contract value(temporarily 7%)

Delivery Form

Physical delivery

Ticker Symbol





DCE PP Delivery Quality Standard (F/DCE PP001-2014)


1. Content and Scope


1.1 The standard herein dictates the quality targets for PP delivered at DCE.

1.2 The standard herein applies to PP products delivered under the PP futures contract of DCE.


2. Cited Rules


The provisions of the following rules are incorporated herein by reference. For those rules noted with dates, their amendments (excluding corrections) and revised versions may not be applied to this standard; for those without noted dates, their latest versions shall be applied to this standard.


GB/T 6678 General principles for sampling chemical products

GB/T 6679 General rules for sampling solid chemical products

GB/T 12670 Polypropylene (PP) resin


3. Terms and Definitions


Terms and definitions under this standard are in accordance with GB/T 12670 and its reference standard.


4. Technical Requirements


4.1 Granules with natural color and without impurities


4.2 Quality targets should meet the tolerance zone in Table 1.

Table 1: PP delivery quality targets

Testing Items


Tolerance Zone

Granule Appearance

Black Granules



Color Granules



Large and Small Granules



Melt Mass-flow Rate (MFR)


2.5 & 4.0

Isotactic Index



Ash Content (Mass Fraction)



Tensile Properties

Tensile Yield Stress



Tensile Break Stress



Nominal Tensile Strain at Break




4.2.1 The melt mass-flow rate (MFR) should be greater than or equal to 2.5 g/10min while at the same time be less than or equal to 4.0 g/10min. Besides, the deviation between the MFR and the nominal value should not exceed 30% of the nominal value.


5. Testing Methods


5.1 Sampling requirements are subject to GB/T 6678 and GB/T 6679;

5.2 Quality targets inspection is subject to GB/T 12670.


6. Marking, Packaging and Storage


6.1 Marking

Packaging bags of PP should be clearly marked with trademark, manufacturer name, standard number, product name, grade, production date, lot number and net weight, etc.


6.2 Packaging

Use the package of the original manufacturer or that authorized by the original manufacturer, with the net weight of the bagged product at 25 0.2kg. Packaging materials should be moisture-proof and dust-proof, and free from pollution and leakage in several times of shipment, stacking and storage.


6.3 Storage


PP should be stored in a ventilated, dry and clean warehouse with good fire-fighting facilities, and kept away from heat and direct sunlight during storage. Stacking in open air is prohibited.


7. Additional Note


DCE is responsible for the interpretation of the standard herein.


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