> UV degradable
The AD*STAR® sack is made from polypropylene, which is broken down by UV when exposed to sun for a long time.

> Chemically inert
Polypropylene is non-toxic. That means it is not harmful for soil and water when in contact during use or when dumped after use.
> No adhesives
The AD*STAR® sack is the only industrial sack where the patches are fixed by a patented hot welding process. So there is no toxic glue used during the production of the sack.
> No broken sacks
The high strength of the AD*STAR® sack avoids breakage and spillage. So there is no pollution caused by lost filling goods and broken sacks.
> No reproduction
No breakage means also that there is no need to reproduce and replace lost goods and sacks. The environmental harm caused by this reproduction process can be avoided.
> Recyclable
The AD*STAR® sack is made of nearly 100% polypropylene and can be remade into granulate after emptying. It is also suitable for "intrusion" - the revolutionary recycling technique for processing mixed household-grade plastic waste into quality molded products.
> Energy recovering
A product made of plastic contains a very high energy value. So in many countries plastic waste is used to replace primary fuels in the industry. Especially in the cement industry this already saves up to 30% of oil and coal.
> Long life product
The high strength of the AD*STAR® sack makes it suitable for different applications after the first use. In some countries this kind of sack is also sold on markets as a second hand bag.
> Save raw material
The low weight of the AD*STAR® sack - about 80g compared to a sack of plastic film or paper with a weight of more than 180g and the same characteristics - save a high quantity of raw material.
Official study of Vienna University!
A study worked out at the Technical University of Vienna shows the environmental advantages of the AD*STAR® sack compared to paper and plastic film sacks.
Eco-balances list the influences on the environment resulting from a specific process, taking both output (substances, heat, noise) and input (raw materials, energy) into account. The data is taken from the publication "Eco-Balance of Packing Materials as per 1990" of the Federal Office of the Environment, Forestry and Land, Berne, Switzerland.
The assessment method used is the method of critical volumina. It is well-known worldwide and is orientated to given limit values of environmental pollution. The volumes of contaminated water and air polluted to the limits by each emission are given (emission / limit value = critical volume). The various substances' volumes are then added up. In their totality, woven polypropylene sacks have the edge over comparable sacks of other materials in terms of the environmental pollution aspect. This result is consistent with earlier studies.
To receive the whole study please contact sales@starlinger.com

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