Clinker, which is produced by sintering limestone, is the core ingredient in producing cement. Shun Shing Group, one of the largest independent traders of clinker in the Asia Pacific region, supplies over five million tons of clinker annually.

The company’s exceptional performance and with nearly 30 years of experience has led to strong partnerships with global cement manufacturers and end users. Shun Shing Group trades cement, grey clinker, white cement, white cement clinker, sulphur resistant cement, and sulphur resistant clinker. The company has aggressively expanded its sources for clinker and other related commodities to offer the most competitive rates under both CFR and FOB terms.


Clinker Tradeflow

Shun Shing Group originates clinker from China, Vietnam, Japan, Thailand, and India. The company works with leading cement producers such as Shanghai Conch, SsangYong, Taiheiyo, Asia Cement, TPI Polene, Vicem, Vissai, and My Home.

Destination markets for Shun Shing Group’s clinker include Bangladesh, Malaysia, Indonesia, and Mozambique.

Clinker Key Specifications

Below are the key indicators that determine clinker’s average standard quality. Results vary depending on where the commodity is originated and due to the requirements of the buyer.

  • CAO > 64,5 Min
  • MgO > 5 Max
  • C3S+C2S > 70 Min

In accordance with ASTM C150 Type 1

Full Specifications

Below are the average results from testing various samples, they demonstrate what customers might expect from Shun Shing Group’s clinker. The company can, however, offer specifications from a range of suppliers, and the average below is only an example.

  • SiO₂:
    Standard: Min 20.0
    Typical result: 22.41
  • AI₂O₃:
    Standard: 3.5 – 6.5
    Typical result: 5.17
  • Fe₂O₃:
    Standard: 2.5 – 5.0
    Typical result: 3.35
  • CaO:
    Standard: Min 64,5
    Typical result: 65.68
  • MgO: 
    Standard: Max 5.0
    Typical result: 0.94
  • SO₃:
    Standard: Max 0.5
    Typical result: 0.37
  • LOI(Loss on Ignition of clinker)
    Standard: Max 1.0
    Typical result: 0.45
  • I.R: (Insoluble Residue of clinker)
    Standard: Max 1.0
    Typical result: 0.45
  • Na₂Oɋd: (Na₂O + 0,658K₂O) Total Alkali
    Standard: Max 0.9
    Typical result: 0.69
  • CaOtd: (Free CaO)
    Standard: Max 1.5
    Typical result: 0.95
  • Moisture: (Moisture of Clinker)
    Standard: Max 0.6
    Typical result: 0.25

  • C₃S: (Tricalcium silicate)
    Standard: Min 52
    Typical result: 57.5

  • C₃A: (Tricalcium aluminate)
    Standard: Max 9.0
    Typical result: 8.04

  • C₄AF: 
    Standard: 9.0-14.0
    Typical result: 10.19

  • LSF:
    Standard: 90-102
    Typical result: 92.47
  • C₃S + C₂S: 
    Standard: Min 70
    Typical result: 78.34

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