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Non-woven bag quality test methods
Author:admin Published:2013/3/6 8:59:08 Read:4525

    1, material testing requirements View non-woven bag material compliance certification.

     2, sensory testing

(1) Color Under natural light was visually the color of the non-woven fabric bag.   

(2) odor The sense of smell to identify non-woven bag smell.

(3) Non-woven bags appearance quality inspection In natural light, visual, checked by visual feel.

     4, the size of the deviation test Indexing value of 1mm gages to measure the non-woven bags.

      5, non-woven bag sewing testing requirements
1, sewing appearance Non-woven bag flat in the test bench measurements and visual inspection with a ruler.
2, the needle trace density The take every 3cm parts length with a ruler amount, the number of stitches.
3, non-woven bags suture strength GB / T 3923.1-1997. In the non-woven bag sampling, sample length 300mm, width 50mm suture specimen at the both ends of the suture, should be retained in the 4-pin suture length and knotted end to prevent suture scattered off.

     6, the physical and mechanical performance test
(1) breaking strength GB / T 3923.1-1997. In the non-woven bag sampling, sample length 300mm, width 50mm.
(2) Non-woven bags Lifting test Testing Machine Bag fatigue testing machine, the amplitude of 30mm ± 2mm, frequency 2Hz Hz. Test Equivalent to Table 3 Nominal bearing mimics (such as sand, rice, etc.) into the non-woven bags, and then hung on the test machine to test 3600 times, observed woven bag body and the carrying strap for damage. Experiment with the number three.

      Drop Test
  Will be equivalent to Table 3 Nominal bearing mimics (such as sand, rice, etc.) into the non-woven bags, mouth sealed with tape, the bottom of the bag from 0.5m height free fall test ground is flat and hard ground observed non-woven bag body is damaged. Experiment with the number three.

 
 

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Shandong xinrun Nonwoven Co., Ltd
TEL:0532-85536999  0532-88536988
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Address: Qingdao Jimo 288 Huashan way