Construction
AS4000-A uses woven and nonwoven geotextiles, unlike the DNW grades. Confirm the required orientation and both adjoining interfaces.
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GCL TECHNICAL DATAMANUFACTURING ROUTECETCO® / Minerals Technologies Inc.
AUSTRALIAN ROUTEKontain technical sales, quoting + project support
TECHNICAL DATA SHEET · AUSTRALIAN FORMAT
BENTOMAT® AS4000-A
High-strength woven / nonwoven reinforced GCL
A needlepunched GCL with sodium bentonite between woven and nonwoven polypropylene geotextiles, publishing 12 kN/m minimum MD tensile strength.
Kontain position
A high-tensile woven-carrier option where the project interfaces suit that construction and the stated 3.70 kg/m² dry bentonite minimum is accepted.
FORMATAustralian SI units
SOURCECETCO EMEA TDS, May 2022
STATUSKontain technical summary
ISSUED24 July 2026
PUBLISHED PERFORMANCE
Metric values, with the test conditions visible.
Values below are presented in Australian engineering units. CETCO’s published ASTM methods are retained; the units have changed, not the underlying test method or acceptance basis.
Dry bentonite≥ 3.70 kg/m²
MD tensile≥ 12 kN/m
CBR elongation≥ 25%
Fluid loss≤ 15 mL
| Property | Published / specified value | Test method | MQC / published frequency |
|---|---|---|---|
| Hydraulic conductivity | ≤ 5.0 × 10⁻¹¹ m/s | ASTM D5887 | 1 per 25,000 m² |
| Dry total mass per unit area | ≥ 4.30 kg/m² | ASTM D5993 | 1 per 4,000 m² |
| Dry bentonite mass per unit area | ≥ 3.70 kg/m² | ASTM D5993 | 1 per 4,000 m² |
| Tensile strength - machine direction | ≥ 12.0 kN/m | ASTM D6768 | 1 per 20,000 m² |
| CBR elongation | ≥ 25% | AS 3706.4 | 1 per 25,000 m² |
| Peel strength | ≥ 360 N/m | ASTM D6496 | 1 per 4,000 m² |
| Bentonite swell index | ≥ 24 mL/2 g | ASTM D5890 | 1 per 50 tonnes |
| Bentonite fluid loss | ≤ 15 mL | ASTM D5891 | 1 per 50 tonnes |
| Montmorillonite content | ≥ 70% | XRD | 2 tests |
| Cation exchange capacity | ≥ 70 meq/100 g | TP-1016 | 2 tests |
| Nonwoven geotextile mass | 200 g/m² | EN ISO 9864 | Supplier certified |
| Woven geotextile mass | 130 g/m² | EN ISO 9864 | Supplier certified |
| Typical roll | 5.0 m × 40.0 m | Manufacturer declaration | Continuous |
* Published typical peak value after hydration at approximately 9.6 kPa normal stress; not a minimum design envelope. † Published RESISTEX U20 ST maximum in deionised water and 0.02 M CaCl₂. Current factory certificates and project specifications govern.
DESIGN TRANSPARENCY
What still needs to be verified.
A compliant index value does not remove project-specific hydraulic, stability or installation risk.
Value comparison
The 12 kN/m MD tensile value is materially higher than the 4 kN/m MD value on the supplied DNW40-AU/GP2 and DNW3700-GL sheets, but the products are not otherwise equivalent.
Source control
The supplied EMEA sheet is dated May 2022. Confirm current manufacturing origin, availability, roll mass and order certificate for Australian supply.
SUPPLY + CUSTOMISATION
Quote the configuration the project actually needs.
Approximately 209 m² gross and 200 m² effective after standard overlaps. Confirm current factory dimensions, mass and origin for every order.
A budgeting assumption only. Final payload and pack plan require CETCO confirmation. Full production and freight lots generally support the strongest landed rate.
Alternative reinforcement and RESISTEX formulations can be evaluated where slope demand, adjoining interfaces or site liquid require a different configuration.
SOURCE + CONTROL
Kontain presentation. CETCO source data.
This webpage is a Kontain-prepared Australian presentation of CETCO published data. It is not a manufacturer reissue and should not be used to override a current CETCO TDS, certificate of analysis, project specification or engineering assessment.