1.Scope 

1.1 The standard herein (the "Standard") stipulates the requirements for liquefied petroleum gas delivered at DCE such as the quality specifications, sampling and inspection and storage, etc.

1.2 The Standard applies to standard products and substitutes delivered under the liquefied petroleum gas futures contract of DCE.

2.Cited rules and standards

The provisions of the following documents are incorporated as the provisions of the Standard by citation. 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 11174-2011 Liquefied Petroleum Gas

SH/T 0233-1992 Method of Sampling Liquefied Petroleum Gas

3.  Terms and definitions

The terms and definitions herein shall be subject to the stipulations of the terms and definitions under GB 11174-2011 and its cited rules.

4.Technical requirements

4.1  Quality requirements for standard products

Item

Requirements

Density (15℃) / (kg/m3)

To be reported

Vapor pressure (37.8℃) / kPa

≤1380

Constituent

C3 hydrocarbon constituent (volume fraction) /%

(C3+C4) hydrocarbon constituent (volume fraction) /%

C5 and above hydrocarbon constituent (volume fraction) /%

20 and ≤60

95

3.0

Residue

Evaporated residue (mL/100mL)

Oil stain observation

0.05

Pass

Copper corrosion (40℃, 1h) / degree

≤1

Total sulfur content (mg / m3)

343

Sulfuretted hydrogen(satisfying one of the following requirements)

Lead acetate method

Chromatography / (mg / m3)

None

≤10

Free water

None

4.2 Allowances (premiums/discounts) for quality difference of substitute products

No.

Item

Premium/Discount (CNY/MT)

  1. 1

If satisfying all the following requirements:

  1. vapor pressure (37.8℃) ≤485 kPa
  2. constituent:

C3 hydrocarbon constituent (volume fraction) 5%

(C3+C4) hydrocarbon constituent (volume fraction) 95%

C5 and above hydrocarbon constituent (volume fraction) 2.0%

-150

  1. 2

If satisfying all the following requirements:

  1. vapor pressure (37.8℃) ≤1380 kPa
  2. constituent:

C3 hydrocarbon constituent (volume fraction) 5% and20%

(C3+C4) hydrocarbon constituent (volume fraction) 95%

C5 and above hydrocarbon constituent (volume fraction) ≤3.0%

-150

  1. 3

If satisfying all the following requirements:

  1. vapor pressure (37.8℃) ≤1430kPa
  2. constituent:

C3 hydrocarbon constituent (volume fraction) 95%

C4 and above hydrocarbon constituent (volume fraction) 2.5%

C5 and above hydrocarbon constituent (volume fraction) - no requirement

-100

4.3  If the substitutes that satisfy the requirements of items 1 and 3 of Article 4.2 above are delivered at the same time, which can be delivered at the same time within a single delivery unit, and the weight of the substitutes satisfying item 3 accounts for 20% (inclusive) - 50% (inclusive) of the total weight of the item 1 and item 3 substitutes, the premium / discount shall be 0 CNY/MT.

5. Sampling and inspection rules

5.1Sampling requirements shall be subject to the rules of SH/T 0233-1992.

5.2Inspection of the quality specifications shall be subject to the rules of GB 11174-2011.

6.Storage

Liquefied petroleum gas shall be stored in liquefied petroleum gas tanks or special cylinders for liquefied petroleum gas.

7.Additional note

The Standard shall be subject to the interpretation of DCE.

Address : No.129 Huizhan Road, Dalian 116023, China
Tel : 86-411-84808888 Fax : 86-411-84808588
Email : inquiries@dce.com.cn Support IPv6
TOP