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Test dust

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Test dust

Details

  • Test dust is a product to evaluate the performance characteristics of domestic used vacuum cleaner.
  • The sand is composed according to DIN EN 60312-1:2017 chapter 7.2.2.2.
  • It is sand with a clearly defined grain size distribution in the range of 0.09 mm – 0.20 mm.
  • To determine the performance of a vacuum cleaner the sand is spread on and rolled into a standardized carpet.
  • The performance of the vacuum cleaner is the ratio between the hoovered mass  and the total  mass.

Specification

  • can with 7.5 kg net content
  • grain size: 0.090 – 0.200 mm
  • test sand respectively test dust used in the vacuum cleaner industry

Other products-

  • Analyses Sieves Test Sand
  • CEN Standard Sand EN 196-1
  • CEN Reference Sand
  • Standard Sand DIN 1164/58
  • Supplier and seller in Bangladesh is Elite Scientific & Meditech Co.
  • For any queries please visit us- www.elitetradebd.com
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Analyses sieves test sand

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#Analyses Sieves Test Sand

Details

This test sand was designed for internal monitoring of typical mashes of sieves (2,0 – 1,0 – 0,5 – 0,25 – 0,125 mm). The grain size distribution was developed in context of a round robin test of 147 national and international laboratories. The forerunner organization of the dakks (German national accreditation body), the DAP (Deutsches Akkreditierungssystem Prüfwesen GmbH, Berlin), published due to the round robin test a technical document, which recommended to use the Analyses Sieves Test Sand for regular calibration. Thus, the Analyses Sieves Test Sand is suitable for simple operation tests beside the obligated visual and intermediate tests.

Specification

  • Package size: 3 PE glasses apiece 202 g
  • Grain size: 0.125 – 2.00 mm
  • For one-time use
Defined range according to the DAP report. If the cumulative sieve residue is between these limits, the sieve is, according to the DAG report in order
Mash size in mm 2,0 1,0 0,5 0,25 0,125 < 0,125
Minimum in % of the total 10,9 37,7 65,8 81,1 91,9 98,8
Maximum in % of the total 12,3 40,1 69,0 83,7 94,3 100,0

Other products-

  • CEN Standard Sand EN 196-1
  • CEN Reference Sand
  • Standard Sand DIN 1164/58
  • Test Dust
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Standard sand I&II

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#Standard Sand I and II (DIN 1164/58) # DIN 1164/58 standard sand I and II

Details

  • Since 1958 to 1978 this testing sand had been used for the production-monitoring of cement according to DIN 1164/58. For the strength development determination 3 cement mortar prisms (4 x 4 x 16 cm³) were prepared. Mix design: 450 g Cement, 450 g Standard Sand I (fine), 900 g Standard Sand II (coarse) and 270 g water.
  • The CEN Standard Sand DIN 1164, 1958 edition, is (naturally) rounded, quartz-rich Sand. Grain size I is ground Sand. The production-monitoring was operated by Normensand GmbH itself. In addition, the product was monitored by MPA Stuttgart. The test sieves used correspond to the regulations of DIN ISO 3310-1:2001-09.
  • Even today, the two individual grains (grain size I: fine, grain size II: coarse) are used for certain tests.

Specification

  • packing in paperbag
  • bag with 50 kg grain size I (fine)
  • bag with 50 kg grain size II (coarse)
  • quartz-rich sand (naturally rounded)
  • grain size I: ground sand
grain size I (fine)
test sieve cloth 0,063 0,090 0,200
residue ≥ 70 – ≤ 80 ≥ 60 – ≤ 70 ≥ 8 bis ≤ 14

 

grain size II (coarse)
test sieve cloth 0,63 1,250
residue ≥ 95 ≤ 1

Other products-

  • CEN Standard Sand EN 196-1
  • CEN Reference Sand
  • Analyses Sieves Test Sand
  • Test Dust
Categories:  

Reference sand

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CEN reference sand, Normensand GmbH, Germany

Details

  • The representative organization of the cement industry in Europe, CEMBUREAU, commissioned our company with the production of CEN Reference Sand.
  • Each produced CEN Standard Sand has frequently to prove that its EN 196-1 performance is comparable to the performance of the CEN Reference Sand.
  • To ensure, as long as possible, comparable cement performance within the world wide cement production our company produced a sustainable amount of this CEN Reference Sand.
  • Considering the CEN Reference Sand consumption of the last years, our inventory lasts at least further 50 years.

Specification

  • box filled with 9 glasses of 1350 g CEN Reference Sand
  • weight of one box: 16.7 kg
  • produced according to EN 196-1
  • naturally rounded quartz sand
  • sales supervising by the DIN Standards Committee Building and Civil Engineering (DIN-NABau)
  • serially numbered and registered boxes to ensure product traceability

Other products-

  • CEN Standard Sand EN 196-1
  • Standard Sand DIN 1164/58
  • Analyses Sieves Test Sand
  • Test Dust
Categories:  
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Standard Sand, EN 196-1

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CEN Standard Sand according to EN 196-1, Normensand GmbH, Germany

Details

  • The characteristic of CEN Standard Sand is its specific grain size distribution.
  • It ranges between 0.08 and 2.00 mm.
  • The grain size distribution is drawn in the picture (cumulated sieve residue in % vs squared mesh size in mm) and listed in the table below.
  • The maximum moisture content is 0.2%.
  • The sand is portioned in bags of 1,350 (± 5) g.
  • According to EN 196-1 mortar prisms for compressive strength testing are produced with a mixture of 450 (± 2)g cement, 225 (± 1)g water and one bag of 1,350 (± 5)g CEN Standard Sand.

Specification

  • Standard: Paper bag with 36 portion bags
  • Portion bag: 1350 ± 5g

Grain size distribution according to EN 196-1

Mesh size (mm) Lower limit Intervall average Upper limit
2,00 0 0 0
1,60 2 7 12
1,00 28 33 38
0,50 62 67 72
0,16 82 87 92
0,08 98 99 100

Production

There is no natural sand available, which fulfills the grain size distributions demands of EN 196-1. Thus, the CEN Standard sand is an artificial product consisting of several different sand type fractions. The sand type fractions are industrial produced by sieving. The different sand fractions are blended in defined portions. The selection of the raw sands, the sieving of the fractions and the following blending are the most difficult processes, which have to be continuously performed as precise as possible. Due to that CEN Standard Sand producer are pledged to control and document the grain size distribution of the product at least once a day. Furthermore, monthly 28 days compressive strength tests under consideration of an actual and an one year old CEN Standard Sand sample have to be done and compared in a clearly defined procedure. Further comparison tests have to be carried out by an external inspection body.

Other related products-

  • CEN Standard Sand EN 196-1
  • CEN Reference Sand
  • Standard Sand DIN 1164/58
  • Analyses Sieves Test Sand
  • Test Dust
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