Valmet’s EVO 64 Defibrator and ChipWash systems are started up and running successfully in Vietnam

Sep 12, 2024

On June 3, Vietnamese company Mekong produced the first MDF (Medium Density Fiberboard) at its site in Cam Khe District, Phu Tho Province. The new MDF plant was supplied by Siempelkamp, which is one of Valmet’s cooperation partners and the number one continuous press supplier in the world. Valmet delivered an EVO 64 defibrator system and chip wash system, with a production capacity of 45 ton/hour.

“The systems were started up in record time thanks to the good cooperation between Valmet, Siempelkamp and Mekong”, says Carlos Sobredo from Valmet.

The new MDF plant has an annual capacity of over 400,000 m³. The thickness range of the panels is focused on 15 to 17 mm, with 3.5 to 32 mm possible. The input material is largely made up of local raw materials acacia and eucalyptus.

Due to the excellent performance and outstanding fiber quality, Valmet Refiner is considered the number one choice for most of the Fiberboard customers in the world. This is the sixth defibrator system that Valmet delivers to Vietnamese customers.

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Defibrator system

Fiberboard producers turn raw materials, such as wood chips or wood waste, into durable consumer goods and commercial products, that range from flooring to furniture. Manufacturing medium-density fiberboard (MDF), insulation board or other fiberboard products, requires a fiber processing system, which in Valmet is sold under the name Valmet EVO Defibrator System.

Chip washing

Producing quality MDF requires chips that are as free from impurities as possible. Debarking and screening are not enough. Chip washing is essential for producing board of low mineral content. The growing use of purchased chips, e.g. from sawmills, results in an ever-increasing need for chip washing. Existing impurities, in the form of metal, stones and sand, must be removed before the chips enter the process.

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