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.



Ethylene Diamine Tetra (Methylene Phosphonic Acid)


DTPMP has a broad performance and is used as chelating agent, dispersant and rheology modifier in the construction industry and water treatment.

More Phosphonates

All products

Contact Person

Alexander Sielmann


General Manager