Extensive OffColor test with polyester at PT. Superbtex, Indonesia

The raw material for spinning synthetic fibers originates from well-controlled processes in chemical plants. This is why contamination with foreign matter occur very rarely. However, synthetic yarns like polyester can have different fiber qualities with different glossiness. Mixed-up yarns can lead to defects in the following processes along the production chain. Today, the visual inspection of these costly errors is still very time- and labor-intensive. PT. Superbtex, Indonesia, strives for a simpler and more efficient solution to overcome this issue and has addressed Loepfe for a suitable solution. The co-operation of these two companies has now revealed impressive results.

Different fibers different glossiness
The PT. Superbtex Group is a textile company based in Indonesia. It has been founded in 1974 and operates four facilities, which are located in the province of West Java. In the largest spinning mill of the company with 54.000 spindles some 500 staff are employed. They produce polyester yarns with a count range of Ne 10 – 60. The regular production consists on yarns counts of Ne 20, 25, 30 and 40. The major portion of the production is delivered to the local market for both weaving and knitting applications, while some 15 % of the production is exported. PT. Superbtex is always trying to improve all processes along the value chain. In order to reach a better profitability, the focus is on optimal quality and higher efficiency. 
“We use several different polyester fibers in our spinning mill”, says Sendjaja Halim, who is responsible for the spinning mills of the PT. Superbtex Group. And he adds: “Dull, Semi-Dull, Bright, and Super-Bright are the typical fiber qualities we use, and all of them have a different glossiness.” ...
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