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NONWOVEN GEOTEXTILE WITH FUNCTION OF SEPARATION AND FILTRATION USED IN WASTE DISPOSAL WORKS



Non woven geotextile type GEO PP TC 150, obtained by high tenacity polypropylene fibres UV stabilized, mechanically bonded and thermocalandered.

The conformity of  geotextile to the application foreseen by the harmonized standard EN 13257 shall be certified by a declaration concerning surveillance on production control of goods, released by a notified Body, in accordance to the directive 89/106/EEC ( building products ) .

The supplier of geotextile shall be certified EN ISO 9001: 2000.
The maximum term concerning exposition to UV radiation shall be  1 month, as per indications given by the harmonized standards above mentioned ( residual resistance after accelerated exposition test  EN 12224 :  >80 % ).
 The minimum durability of geotextile shall be of  25 years at least ( residual resistance after oxidation test for polypropylene products EN ISO 13438 :  >50% ).
Junctions between the sheets, both in transversal and longitudinal direction, shall be done by overlapping of  borders for at least 50 cm.

Technical characteristics of geotextile shall be in accordance to the values and tolerances written in the scheme here below:

Technical properties

unit

Standard

 

static puncture resistance  (method CBR)

N

EN ISO 12236

1650

tolleranza massima ammissibile

-150

       

dynamic puncture resistance  (cone drop test)

mm

EN ISO 13433

28

tolleranza massima ammissibile

+ 5,6

       

tensile strength  - longitudinal

kN/m

EN ISO 10319

10

tolleranza massima ammissibile

-1,0

       

tensile strength - transversal

kN/m

EN ISO 10319

10

tolleranza massima ammissibile

-1,0

       

elongation at break -  longitudinal

%

EN ISO 10319

50

tolleranza massima ammissibile

15

       

elongation at break - transversal

%

EN ISO 10319

60

tolleranza massima ammissibile

20

       

permeability normal to the plane  (velocity index VH50)

l/(s.m2)
m/s x 10-3

EN ISO 11058

40

tolleranza massima ammissibile

-19

       

opening size  O90

micron

EN ISO 12956

70

tolleranza massima ammissibile

21