Providing excellence in service

and technical support

for our customers

TER AS Productos was founded in Barcelona in 2009 with the objective to strengthen the position of TER GROUP in the Spanish market. During the last years we have grown constantly gaining an important position in the different sectors our customers are part of.



Diethylene Triamine Penta (Methylene Phosphonic Acid)


DTPMP has a broad performance and is used as corrosion and scale inhibitor (carbonates, sulfates and phosphates), chelating agent and stabilizing agent (e. g. for peroxides) in the detergents industry, water treatment and textile & dyeing industry.

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Contact Person

Alexander Sielmann


General Manager