Analysis of Operation Steps of Digital Fabric Burst Strength Tester
The digital fabric bursting strength tester adopts the method of hydraulic drum explosion (elastic diaphragm method) to measure the expansion of woven, knitted, non-woven, non-woven, paper, board and other materials in warp, weft and all directions at the same time. force and expansion. Applicable standards: ASTMD3786, ERT80-4-20, GB/T7742.1, BSENISO13938-1, BS3424-6-B, ISO3303-B, ISO2758, ISO3303.2, ISO3689, JISL1018L1093, IWSTM170 Main parameters: A. Measuring range: (1% to 100% of full scale) the range can reach 6.000Mpa, the division value is 0.002Mpa; B. Elastic diaphragm size: outer diameterΦ80mm, thickness 0.9±0.1mm; C. Test Cup Kit:Φ112.8mm±0.2mm,Φ79.8±0.2mm,Φ35.7±0.2mm,Φ31.5±0.2mm,Φ30.5±0.2mm,Φ30±0.2mm; D. Burst height: 70±0.02mm; E. Burst time: 99.9±0.1S; F. Hydraulic oil: 85% glycerol, 15% distilled water. Operation steps: 1. Sample selection Randomly select 8 samples with different components and structure, test the bursting strength of each sample 10 times, and analyze and compare the average of their results. 2. Test method Different equipment and different test methods are selected, and the bursting strength results of the samples are also different. GB/T7742.1—The burst time specified in 2005 can be used (20±5) s; the test area is 50cm2, and other test areas such as 100cm2, 10cm2, 7.3cm2 can also be used, and three different test areas are used to test the same sample, and the influence of the test area on the burst performance of the fabric is explored. 3. Test results According to the analysis, in the hydraulic burst test, the test area under the same condition has a great influence on the burst strength value. Generally speaking, the smaller the test area, the greater the bursting strength value. The bursting strength value obtained by using the test area of 7.3cm2 is about 3 times that of the test area of 50cm2. Therefore, the test area should be indicated for the burst test. The digital fabric bursting strength tester adopts the method of hydraulic drum explosion (elastic diaphragm method) to measure the expansion of woven, knitted, non-woven, non-woven, paper, board and other materials in warp, weft and all directions at the same time. force and expansion. Applicable standards: ASTMD3786, ERT80-4-20, GB/T7742.1, BSENISO13938-1, BS3424-6-B, ISO3303-B, ISO2758, ISO3303.2, ISO3689, JISL1018L1093, IWSTM170 Main parameters: A. Measuring range: (1% to 100% of full scale) the range can reach 6.000Mpa, the division value is 0.002Mpa; B. Elastic diaphragm size: outer diameterΦ80mm, thickness 0.9±0.1mm; C. Test Cup Kit:Φ112.8mm±0.2mm,Φ79.8±0.2mm,Φ35.7±0.2mm,Φ31.5±0.2mm,Φ30.5±0.2mm,Φ30±0.2mm; D. Burst height: 70±0.02mm; E. Burst time: 99.9±0.1S; F. Hydraulic oil: 85% glycerol, 15% distilled water. Operation steps: 1. Sample selection Randomly select 8 samples with different components and structure, test the bursting strength of each sample 10 times, and analyze and compare the average of their results. 2. Test method Different equipment and different test methods are selected, and the bursting strength results of the samples are also different. The burst time specified in GB/T7742.1-2005 can be adopted (20±5) s; the test area is 50cm2, and other test areas such as 100cm2, 10cm2, 7.3cm2 can also be used, and three different test areas are used to test the same sample, and the influence of the test area on the burst performance of the fabric is explored. 3. Test results According to the analysis, in the hydraulic burst test, the test area under the same condition has a great influence on the burst strength value. Generally speaking, the smaller the test area, the greater the bursting strength value. The bursting strength value obtained by using the test area of 7.3cm2 is about 3 times that of the test area of 50cm2. Therefore, the test area should be indicated for the burst test.
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This guide explains the role of ISO, EN, and ASTM standards in PPE testing and introduces common requirements for safety footwear, protective gloves, protective clothing, masks, and safety helmets. It also explains how laboratories can select suitable PPE testing equipment according to the applicable test method.
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