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Liners, sealing membranes for steel tanks, reservoirs, basins, lagoons and ponds

We deliver our liners and sealing membranes over the whole world at a very good price!

We are suppliers of the highest quality liners, waterproofing membranes for sealing tanks, storage silos and retention reservoirs for clean water and contaminated with chemical compounds.

We export these highest quality liners over the whole world!

Standard materials such as PVC, FPP, LDPE and EPDM are commonly used. Currently, after years of research, we can provide you with a new type of waterproofing liner – much more flexible, more durable and more resistant to external factors and any mechanical damage.

– DELAFLEX® can be used in all types and types of tanks
– DELAFLEX® waterproofing membranes for retention tanks are delivered in all (also very large) sizes.
– DELAFLEX® floor coverings are available in two thicknesses – 0.6 mm and 1.0 mm
– DELAFLEX® is welded in accordance with the guidelines of KIWA BRL-K 537.

We also deliver and assemble in indicated place complete steel tanks, silos, waterproofing materials, anti-limescale covers and steel cover.

In our tanks, reservoirs and silos we use following liners (sealing membranes) including:

DelaFlex 0,6mm and 1 mm thick – for all types and kinds of tanks for water, drinking water or liquid pollutants such as sewage, slurry, liquid manure. For DelaFlex material, we provide a 15-year warranty on factory-made welds as well as the material’s resistance to UV radiation.
PCV KIWA –ATA 0,5mm – for drinking water storage.
PVC Tropic 1mm – for clean water storage in temperate climate.
ASTRIN 0,5mm oraz 1mm – for clean water and waste water storage (drainage water, sewage).
EPDM 1 mm – for clean water and slightly contaminated water storage in cold and hot climate
HDPE, HDPE T-lining, LDPE, PVC Re-lining, Polyester with PVC protection.

(Look below for liners characteristics and details)

FPP Astryn – Physical characteristic

Nominal Thickness (mm)		0,25	0,60	0,80	1,0
Thickness Tolerance (%)	Maximum -/+	10	10	10	10
Carbon Black Content (%)		2,5	2,5	2,5	2,5
Density (g/cm³)	ASTM D1505	0,908	0,908	0,908	0,908
Melt Flow Index (g/10min,230°C)	ASTM D1238	0,80	0,80	0,80	0,80
Tensile Strenght at Yield (N/mm²) – Machine Direction – Transversal Direction	ASTM D6381V Modification NSF-54/91	4,6 3,2	4,8 3,6	4,8 3,6	5,0 4,0
Tensile Strenght at Break (N/mm²) – Machine Direction – Transversal Direction	ASTM D6381V Modification NSF-54/91	21,7 21,3	22,8 19,8	22,8 19,8	21,0 19,0
Elongation at Yield (%) – Machine Direction – Transversal Direction	ASTM D6381V Modification NSF-54/91	9 11	10 11	10 11	12 12
Elongation at Break (%) – Machine Direction – Transversal Direction	ASTM D6381V Modification NSF-54/91	850 900	860 890	860 890	800 800
Modulus of Elasticity (N/mm²) – Machine Direction – Transversal Direction	ASTM D882	130 75	140 88	140 88	140 88
Puncture Resistance (N)	FTMS101/2065	84	195	255	200
Tear Resistance (N) – Machine Direction – Transversal Direction	ASTM D1004C	18 18	58 59	70 70	70 70
Stress Crack Resistance (hrs)	ASTM D1693	>1500	>1500	>1500	>1500
Oxidative Induction Time (min)	ASTM D3895	> 2000	> 2000	> 100	> 100

HDPE 1.5 mm – Physical characteristic

DL-HDPE is a black, high quality, high density polyethylene (HDPE) geomembrane produced form specially formulated, virgin polyethylene resin. The polyethylene resin is designed specifically for flexible and durable geomembrane applications. DL-HDPE contains approximately 97.5% polyethylene, 2.5% carbon black and trace amounts of antioxidants and heat stabilizers. DL-HDPE has outstanding chemical resistance, mechanical properties, environmental stress crack resistance, dimensional stability and thermal aging characteristics. DL-HDPE has excellent resistance to UV radiation and is suitable for exposed applications. These product specifications (> 1.5 mm) meet or exceed GRI-GM 13.

Property	Test method	Value	Unit
Thickness	ASTM D 5199	1.5	mm
Density	ASTM D 792	0.946	g/cm³
Melt Flow Index	ASTM D 1238 (190 °C/5 kg) (190°C/2.16 kg)	<1.30 <0.40	g/10 min
Minimum Tensile Properties (Each Direction – Typical) 1. Stress at Break 2. Stress at Yield 3. Elongation at Break 4. Elongation at Yield	ASTM D 638 type IV	27 (40) 26 (24) 800 (700) > 12	N/mm N/mm % %
Tear Resistance	ASTM D 1004	>205	N
Dimensional Stability	ASTM D 1204 (100C, 1h)	± 1.5	%
Carbon Black Content	ASTM D 4218	2.0-2.5	%
Carbon Black Dispersion	ASTM C 5596	10/10 1 or 2	Category
Oxidative Induction Time	ASTM D 3895, (200°C; Pure O²; 1 atm)	>100	Minutes

Oven aging at 85C (min.ave)	ASTM D 3895	55	%/min
Puncture Resistance	ASTM D 4833	>480	N
Stress Crack Resistance	ASTM D 5397	> 400	h
Low Temperature Brittleness	UNE EN 495-5(t:-40C)	No cracks	°C
UV Resistance ^(d) HP-OIT retained after 1,800 hours^(e)	GRI-GM 11 ASTM D 5885	> 75	%
Roll Width (approx.)		7.50	m
Surface	Both sides smooth

LDPE – Standard quality thickness 1 mm

Property	Test method	Unit	Value
Dimensional properties
Average thickness tolerance vs. nominal	ISO 4591	%	± 5
Point to point thickness tolerance vs. nominal	SO 4593	%	± 15
Width tolerance vs. nominal	ISO 4592	%	0; +4
Mechanical properties
Tensile stress at break (MD)	ISO 527-3	MPa	≥ 16
Tensile stress at break (TD)	ISO 527-3	MPa	≥ 14
Tensile strain at break (MD)	ISO 527-3	%	≥ 680
Tensile strain at break (TD)	ISO 527-3	%	≥ 650
Tear resistance (Elmendorf) MD	ISO 527-3	N/mm	≥ 70
Tear resistance (Elmendorf) TD	ISO 527-3	N/mm	≥ 70
Tear resistance (trouser tear method)	ISO 6383-1	N	≥ 180
Perforation resistance
Spherical head (mm 7.5):
Absolute stress at break		N	≥ 400
Strain at break		mm	≥ 35
Specific stress at break		N/mm	≥ 410
Pointed Head:
Absolute stress at break		N	≥ 46
Specific stress at break		N/mm	≥ 47
Thermical properties
Water Vapour
Permeability	ASTM E 96	g/hm²	≤ 0,020
Shore	ASTM D 2240		≥ 80
Softening Point	Manufacturer	ºC	120 approx.
Other properties
Flexibility at low temperature	UNI 8202/15	ºC	≥-60
Thermic ageing – 50days 70ºC	SIA 280N.7	%	0

All information, illustration and specifications are based on the latest product information available at the time of editing.
All properties are average values. Standard variations of up to 50% have to be allowed.

Greenteam Company – Warranty

>> Click to download .pdf folder

The Green Team company guarantees the DelafleX material regarding UV resistance and factory-made welds
for storage of the following substances:
• water – 15-year warranty
• animal liquid manure / slurry – 10-year warranty
(for DelafleX with a thickness of 1 mm)

Our offer

Greenhouse constructions

• Greenhouses types Venlo, Cabrio and ZON
• Mini garden center / Foil tunnels
• Home greenhouses
• Greenhouse constructions production

Horticulture / Agriculture / Greenhouse irrigation systems

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• Water storage systems
• Chemicals and water storage steel tanks and silos

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• Basins, lagoons and ponds
• External rainwater reservoirs

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• Liners for silos, ponds, tanks, basins, lagoons
• and external rainwater reservoirs
• Anti-algae / Floating / PVC covers

Greenhouse equipment and supplies

• Greenhouse high pressure misting system
• Fogging / Misting for horticulture,
• hotels, bars, pubp, restaurants
• and wherever it is necessary to cool the external spaces

• Internal transport system in greenhouses
• Sliding tables with transport
• Sorting small potted plants
• Transport of tomato and other vegetable crops

08-Liners for Steel Tanks Basins / Reservoirs / Ponds / Lagoons