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New insulating material for tipper trailer
Sustainable and reliable

Horstmar, September 2016 – Thermal insulation for tipper trailers used to transport asphalt is now a market standard and offered by many manufacturers. But what is the situation with regards to the long-term durability of the insulating material? Until now almost no test results have been available.

Schmitz Cargobull carried out an extensive series of tests with various materials before selecting rubber-based elastomer foam as the insulating material – a product which has not previously been used in trailer manufacturing.

By working closely with the supplier, this material has been optimised for use transporting asphalt in tipper trailers. It fulfils the heat resistance requirement of at least 200°C and has other positive characteristics that make it ideal for use as an insulating material in this application. Due to its low density, for example, the unladen weight of the trailer is lower. In addition, the the new insulating material is more wear-resistant and the closed cell structure limits water absorption to below 3%.

Thanks to the new insulating material and associated design changes, the additional weight resulting from insulation is considerably reduced – weighing just 360 kg more, in comparison with a non-insulated body with the same specification. In the event of external damage to the bodywork, both the outer cover plates and the insulating material can be removed and replaced in segments for speed and efficiency, thanks to the segmental construction method. The associated installation cost is low. The same is true if welding has to be performed during repair work on the body.

The new thermal insulation design brings three important benefits for customers:

• Firstly, the new insulation material is significantly more durable and wear-resistant than other materials such as rigid foam (which is prone to increased wear through friction) or rock wool (which is prone to water absorption). As the water absorption rate is extremely low, the payload remains constant for many years. This, along with the high mechanical wear resistance, stands for a lasting insulating effect. 

• Secondly, the fitted insulation is thinner by comparison with many other solutions. Together with design changes which have been incorporated, this guarantees additional weight is kept to a minimum, and therefore a higher payload (+ 200 kg) for customers. 

• Thirdly, thanks to the segmental insulation construction, repairs in the event of damage can be carried out quickly and inexpensively as the cover plates are bolted and also fixed by means of tension bands. This means that the downtime in case of repairs is reduced to a minimum and asset availability for the customer is optimised. Each insulated Schmitz Cargobull tipper trailer offers operators a strong residual value and high payload that can be quickly and inexpensively repaired in the event of damage.

About Schmitz Cargobull AG:

With an annual production of some 50,000* vehicles and around 5,500* employees, Schmitz Cargobull AG is Europe's leading manufacturer of semi-trailers and trailers for temperature-controlled freight, general cargo and bulk goods. The company achieved sales of approximately €1.78* billion in the 2015/2016 business year.  As a pioneer in the industry, the company with the "Blue Elephant" developed a comprehensive brand strategy early on and consistently established quality standards spanning every level:  from research and development, to production and specialist services such as trailer telematics, financing, used vehicles, spare parts and Full Service.

*provisional figures based on the 2015/2016 business year

The final figures for the past financial year (01/04/2015 – 31/03/2016) will be published by the company in the middle of October 2016. 


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