Hiang Seng Fibre Container Co., Ltd. traces its origins back to the early part of this century and was established in its present form in 1968. It is today one of the largest single integrated paper and packaging manufacturer in Thailand serving some 30% of the domestic market. In order to maintain and develop this leading position in Thailand's rapidly growing economy, Hiang Seng has successfully assigned the highest priorities to product quality and process engineering as well as to sales and on-time delivery.
We are proud to offer an expanding range
of highest quality paper and packaging products.
Two kinds of pulp are used as the raw material for paper production i.e., Virgin Kraft Pulp and Recycled Waste Paper either collected from domestic or imported waste paper. The ratio of virgin pulp to recycle used in the production process is determined by the properties required of the paper.
Paper is manufactured in two distinct stages of production, the stock preparation process and the papermaking process. The process is 24 hours operated with series of latest equipment and automation. Virgin Kraft Pulp and Recycled Waste Paper are diluted in water called “Stock” which will be screened, dispersed, refined and mixed with chemical additives to improve property of fiber. Final stock will be stored in machine chest.
Fan Pump pumps stock through the Headbox of Paper Machine. Here the stock is distributed evenly onto a forming fabric running continuously to produce a uniform and continuous sheet of paper. The water in the stock drains through the forming fabric and fiber in stock form as wet paper sheet is transferred to the Press Section where water will be further removed by mechanical pressing. Paper is carried by felt into Drying Section where the moisture left in paper will be removed by hot dryer rollers heated by steam.
Paper is calendered and wound into jumbo rolls of the paper machine width. The rolls are then slit and rewound to required width and diameter. Finished rolls are strapped or wrapped and stored in warehouse, ready for transport to the customers.
Corrugated Carton The production of corrugated carton is divided into two steps.
Corrugated Process The Corrugator uses paper rolls from the Paper Mill as raw materials. Heat and corrugating rolls will form fluting from Corrugated Medium Paper of 100% recycled fiber, then glued with back liner paper and front liner paper. Heat from steam hot plate will dry the glue applied to bond different layers of paper. The full width corrugated board will be slit and cut to required dimensions to be used in the next process. The corrugated sheet board is available in B, C flute for Single Wall Board and BC Flute for Double Wall Board.
Converting Process Converting requires different kind of printing and converting machines to convert corrugated sheet board into required carton type and size, which can be categorized into Regular Slotted Carton and Die Cut Carton.
Regular Slotted Carton or RSC box type has high stacking strength and is widely used to protect goods during storage or transportation. It is produced on a Flexo Folder Gluer Machine where corrugated sheet board will be fed into the feeder and print different color of water-based ink using Flexo Graphic Techniques. It will be creased and slotted, glued and folded. Finished cartons are counted, stacked, and bundled into 10 to 25 pieces of carton. The process is completed within one machine to keep accuracy of printing, folding and squareness of the carton which is important for stacking or transportation.
Die Cut Carton is either processed on a Flat Bed Die Cutter or a Rotary Die Cutter. Corrugated sheet is fed into series of Flexo Printing Units of the Die Cutter to print required text and graphics. Then it will be transferred to die cut section of the machine where the sheet will be cut, creased, perforated. Flat Bed Die Cutter is used for complicated form of die cut pattern i.e., live chicken carton, while Rotary Die Cutter is used for mass production of simple die cut pattern i.e., wrap around carton. The wrap around carton is highly demanded in the beverage markets for can, glass bottle, UHT drinks.
The Multi-Wall Sack Kraft Bag is made from multiple ply of sack kraft paper, printed and form into tube and square bottom. The Bag Making Machine consists of three sections i.e., printer, tuber and bottomer. A valve is attached for feeding materials into the bag. It is widely used for packing of cement, chemical or animal food in powder or pallet form.
One of our key policies has been consistent investment in production technology. As a consequence of this strategy, Hiang Seng has been able to maintain its dominant market position. Learn more...
We are strongly committed to a high level of training to ensure that our staff are constantly upgrading their skills in order to deliver the best possible products and service to our customers.
At 1,500 tonnes per day, our paper mill is one of the largest in Thailand, and offers a reliable supply in which both the Thai government and private sector clients are happy to place their trust.
Over the years, Hiang Seng has invested in first class machinery for paper making, corrugated carton and Multi-Wall Bag converting. Each process will be controlled with latest automation and computer programming to reduce variation in process and ensure consistency of final product quality.
Thanks to advance recycling process and paper machine technology. More and more recycled fiber can be used as raw materials while specification of paper can be maintained. This will reduce use of fresh pulp and preserve forest.
In paper machine we have employed latest 0.5 mm screening system to classify and screen clean fiber to use in multi layer paper machine. Hydraulic Headbox with dilution control can distribute fiber more evenly to achieve better cross machine basis weight profile. Shoe Press is used in Press Section to give better strength of paper while maintain caliper of paper which will improve stacking strength of paper. All machines are equipped with Size Press Unit where starch is applied in onto paper surface and penetrate by two roll nip. It improves paper strength both stacking and bursting properties. The process is controlled by QCS to maintain paper basis weight and moisture profile to be within specification.
Our corrugating plants employ fast running 2.5 meter corrugators and various converting machine i.e., Flexo Folder Gluer from France and Japan, Flat Bed Die Cutter from Switzerland, Rotary Die Cutter from China/USA. Finish carton is tested by International Standard Tappi/ISO and certified before delivery to customers. Our carton has been proven in the market for its high stacking strength and rigid board suit for automatic packing machine.
Apart from our focus on the development of Hiang Seng's business, we are seriously committed to conserving the environment both world-wide and nationally, in order to protect our planet for future generations.
To this Hiang Seng has installed waste paper recycling facilities in order to conserve use of virgin pulp. This recycling significantly reduces consumption of natural resources whilst maintaining optimal paper quality. We also protect the local environment with our highly effective effluent treatment systems which we operate at levels well in excess of the strict legal requirements limiting release of pollutants into local waterways.
As one of the leading economics of South East Asia, Thailand continues its strong and steady growth. Against this background, Hiang Seng is proud to be able offer an expanding range volume of paper and packaging product of the highest quality. At the same time we remain committed to ongoing preservation of the environment.
Our target is to produce the highest quality and strength of paper and corrugated carton without any compromise to the quality from the use of recycled fibre. Up to date equipment and process will consistently be employed to ensure top class product quality while our reliable logistic service and timely delivery will benefit product and cost management to our customers.
Sustainability becomes a global interest in the recent years. People are aware of the use of limited natural resources. In paper industry, recycling is more and more popular as raw materials to replace the use of virgin pulp. At Hiang Seng, we continue to increase the recycling ratio to achieve full recycling for all grades of paper.
Environment and renewable energy is another area of our interest. In the Paper Mill we successfully installed the Reactor from Europe for effluent treatment by anaerobic bacteria. The bacteria digest contaminants in effluent and produce methane gas as by product. Effluent from the Reactor will have 75% lower in COD which requires much lower electrical power in the aerobic treatment, while methane gas becomes fuel for steam boiler. The system preserves the environment, reduces the use of limited natural resources such as coal and conserves the energy at the same time.
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