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HDPE Geomembrane

HDPE Geomembrane

Low density polyethylene geomembrane (type GL-1)

Number of hits:99 Enter Time:2019-11-26 15:39:28


产品介绍:

Product Description:

低密度聚乙烯土工膜以LDPELLDPEEVA为原料,采用吹塑工艺生产而成的具有防渗、保温功能的产品。

Low-density polyethylene geomembrane is made of LDPE, LLDPE and EVA, and is produced by blow molding process with anti-seepage and heat preservation functions.

产品规格:

Product Specifications:

厚度0.1~3.0mm,比重较小,耐低温,保温效果好,防水性能优异,易焊接等特点。

The thickness is 0.1~3.0mm, the specific gravity is small, the low temperature resistance, the heat preservation effect is good, the waterproof performance is excellent, and the welding is easy.

应用范围:

Application Range:

渠道、池库等农业水利防渗工程;藕池、养鱼池等水产养殖行业。也可与各种土工布复合成土工膜。

Agricultural water conservancy and anti-seepage projects such as channels and pools; aquaculture industry such as Lotus Pond Lake and aquarium. It can also be combined with various geotextiles to form a geomembrane.

产品执行标准

Product Performance Standards

GB/T17643-2011《土工合成材料 聚乙烯土工膜》

KT/T 518-2004《公路工程土工合成材料土工膜》

GB/T17643-2011 《Geosynthetic Materials Polyethylene Geomembrane》

KT/T 518-2004 《Geotechnical Geosynthetics for Highway Engineering》


技术参数:

No

项目

指标

厚度mm

0.3

0.5

0.75

1

1.25

1.5

2

2.5

3

1

密度g/cm2

≤0.939

2

拉伸断裂强度(纵、横向)N/m

≥6

≥9

≥14

≥19

≥23

≥28

≥37

≥47

≥56

3

断裂拉伸率(纵、横向)%

≥560

4

直角撕裂负荷(纵、横向)N

≤27

≤45

≤63

≤90

≤108

≤135

≤180

≤225

≤270

5

抗穿刺强度N

≤52

≤84

≤135

≤175

≤220

≤260

≤350

≤435

≤525

6

碳黑含量%

2.0~3.0

7

碳黑分散性

10个数据中3级不多于1个,4级、5级不允许

8

常压氧化诱导时间

≥60

9

低温冲击脆化性能

通过

10

水蒸汽渗透系数g.cm/(cm2.s.pa)

≤1.0*10-13

11

尺寸稳定性%

±2.0

注:表中没有列出厚度规格的技术性能指标要求按照内插法执行。

碳黑含量和碳黑分散性只适用于黑色土工膜。

 

 


Technical Parameters:

No

Item

index

thickness mm

0.3

0.5

0.75

1

1.25

1.5

2

2.5

3

1

Density g/cm2

≤0.939

2

Tensile breaking strength (longitudinal, transverse) )N/m

≥6

≥9

≥14

≥19

≥23

≥28

≥37

≥47

≥56

3

Elongation at break (longitudinal, transverse)%

≥560

4

Right angle tear load (longitudinal, horizontal  Right angle tear load (longitudinal, horizontal)N

≤27

≤45

≤63

≤90

≤108

≤135

≤180

≤225

≤270

5

Puncture strength N

≤52

≤84

≤135

≤175

≤220

≤260

≤350

≤435

≤525

6

Carbon black content %

2.0~3.0

7

Carbon black dispersion

Level 3 out of 10 data not more than 1, 4 5 are not allowed

8

Atmospheric pressure oxidation induction time

≥60

9

Low temperature impact embrittlement performance

Pass

10

Water vapor permeability coefficientg.cm/(cm2.s.pa)

≤1.0*10-13

11

Dimensional stability %

±2.0

Note: Technical performance indicators that do not have thickness specifications listed in the table are required to be performed according to interpolation.

Carbon black content and carbon black dispersion are only applicable to black geomembranes.

 

 



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