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30kN Tensile Testing Machine For Trapezoid Tearing Strength Of Geotextiles

Shenzhen Wance Testing Machine Co., Ltd.
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Shenzhen Wance Testing Machine Co., Ltd.
City: Shenzhen
Province/State: Guangdong
Country/Region: China
Tel: 86-755-23057280
Contact Person:
Mr Leo

30kN Tensile Testing Machine For Trapezoid Tearing Strength Of Geotextiles

Brand Name : WANCE
Model Number : ETM304C
Certification : CE SGS ISO9001
Place of Origin : China
MOQ : 1 Unit
Price : Negotiation
Supply Ability : 30 Units/Month
Delivery Time : 30-45 Working Days
Packaging Details : Wooden Case with Fumigation
Product Name : Tensile Testing Machine
Model : ETM304C
Accuracy : Class 0.5
Sample : Geotexitiles
Lead time : 30 days
Test Standard : ASTM D4533
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Tensile Testing Machine Trapezoid Tearing Strength of Geotextiles ASTM D4533 ETM304C


Description: Special grips for geotextiles tensile test


Standard: ASTM D4533


Standard Test Method for Trapezoid Tearing Strength of Geotextiles

  • This test method is an index test used to measure the force required to continue or propagate a tear in woven or non-woven geotextiles by the trapezoid method. While useful for quality control and acceptance testing, the trapezoid tear test does not provide all the information needed for all design applications and other test methods should be used.
  • This test method is applicable to most geotextiles that include woven fabrics, nonwoven fabrics, layered fabrics, knit fabrics, and felts that are used for geotextile applications.
  • The values stated in SI units are to be regarded as the standard.
  • This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Summary of Test Method
An outline of an isosceles trapezoid is marked on a rectangular specimen cut for the determination of tearing strength, and the nonparallel sides of the trapezoid marked on the specimen are clamped in parallel jaws of a tensile testing machine. The separation of the jaws is continuously increased so the tear propagates across the specimen. At the same time, the force developed is recorded. The tearing strength, which is the maximum value of the tearing force, is obtained from the autographic force – extension curve.


Report
Report the following:
1. State that the tests were performed as directed in this test method. Describe the material(s) or product(s) sampled and the method of sampling used.
2 Report the following information for each swatch in the laboratory sample:
2.1 Average of the maximum tearing strengths in newtons (1bf) for each direction.
2.2 Number of specimens tested for each direction.
2.3 Coefficient of variation of the observed tearin strength of individual specimens, if required.
2.4 Condition of the specimens


Specifications:

ModelETM304C
Capacity30kN
Accuracy Class1
Load Range0.2%-100%FS
Load AccuracyBetter than ±1% of reading
Load Resolution1/350000 of capacity, stepless
Extension Measurement Range0.02%-100%FS
Extension Measurement AccuracyBetter than ±1% of reading
Extension Resolution1/500000 of capacity
Displacement Measurement AccuracyBetter than ±1% of reading
Displacement Resolution0.06μm
Speed AccuracyBetter than ±1% of setting speed
Max. Test Speed500mm/min
Min. Test Speed0.001mm/min
Return Speed500mm/min
Crosshead Speed Accuracy

Speed<0.01m

.01mm/min, better than ±0.2% of setting

Total Crosshead Travel (without grips)1100mm
Effective Test Width420mm
Dimension775×660×1735mm
Net Weight400kg
Power SupplySingle phase 220V±10%, 50Hz


Product Tags:

universal tensile testing machine

      

tension testing equipment

      
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