PROPOSED SPECIFICATION TEXT
Secutex® R 501

Pos.: ……. Quantity: …..…… Unit price: ……………. Total price: ………………… 
  
Delivery of a geosynthetic needle-punched stable fiber nonwoven Secutex® R 501 made by Naue GmbH & Co. KG or equivalent, provide as a filter and separation geotextile and professionally installed according to the manufacturer’s installation instructions. 
 
Secutex® R 501 is a needle-punched staple fiber nonwoven.

The following parameters are, for the demonstration of equivalence, observed:

Technical data:

Raw material:							Polypropylene (virgin PP)

Mass per unit area:			500 g/m² (≥ 450 g/m²)
(according to EN ISO 9864)

Thickness			4.3 mm (≥ 3.9 mm)
(according to EN ISO 9863-1)

Max. tensile strength, md / cmd:					≥ 31.5 kN/m / ≥ 34.3 kN/m	
(according to EN ISO 10319)

Elongation at max. tensile strength, md / cmd			≥ 45 % / ≥ 45 %
(according to EN ISO 10319) 

Puncture force							≥ 6,030 N
(according to EN ISO 12236)

Displacement at static puncture strength				≥ 45 mm
(according to EN ISO 12236)

Dynamic perforation resistance					≤ 7.2 mm

Characteristic opening size:					80 µm (± 30 %)
(according to EN ISO 12956)

Water permeability normal to the plane:				vH50-Index: ≥ 3.15 x 10-2 m/s
(according to EN ISO 11058)					Flow rateH50: ≥ 31.5 l/(sm2)

The following documents and verifications must be present:
•	Internal and external monitoring in accordance with DIN 18200
•	Certified Quality management system according to EN ISO 9001:2015
•	Certified Environmental management systems according to EN ISO 14001:2015
•	Current CE marking
•	Declaration of Performance
•	Certificate of conformity of the factory production control
•	Proof of product group EPD (Environmental-Product-Declaration)
•	Durability (pursuant to Annex B of EN 13249:2016) for 100 years when used without reinforcement function in natural soils with a pH value between 4 and 9 and a bottom temperature of <25 ° C.
•	The product has to be covered within one month after installation.

Proof of delivery
Secutex® R 501    
Naue GmbH & Co. KG
Gewerbestr. 2
32339 Espelkamp
Tel.: +49 57 43 41 - 0
Fax: +49 57 43 41 - 240
E-Mail: info@naue.com
www.naue.com  

2022-11-17