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Project Design Information
Polypropylene is one of the most chemically resistant polymers. Below you will see the chemical resist-
ance of PP-R products according to DIN 53756; the chemical resistance related with composition, qual-
ity condition concentration, time of affection and temperature of material. In this table the chemicals
and the resistance in different temperatuer is shown.
Materials are classified in 4 groups;
*There isn’t enough information
a the below symbols are used for the concentration of the chemical:
VL : Mass ratio < 10 % Solution in water
L : Mass ratio > 10 % Solution in water
GL : Saturated solution in water (at 20 ̊C)
H : Adapted
TR : Technical pure
TA : Trace amount