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On February 18, the Guizhou Provincial Bureau of Quality and Technical Supervision announced the results of random inspection of wire and cable products, and among the 34 batches of products under all quality supervision, 28 batches were qualified, with a pass rate of 82.
3%.
The products sampled in this event are PVC insulated wires and cables, which are products with a large number of interior decoration options
.
The comparative inspection focuses on the indicators of human health and safety and affecting the service life, including conductor resistance, finished cable voltage test, insulation resistance, average thickness of insulation, thickness at the thinnest point of insulation, average outer diameter, tensile strength before insulation aging, elongation at break before insulation aging
, etc.
A total of 34 batches of products from 34 production enterprises were randomly inspected, and 28 batches were qualified, with a pass rate of 82.
4%.
Among them, 10 batches of products were randomly inspected in the production field, and the pass rate was 100%; In the circulation field, 24 batches of products were randomly inspected, and 7 batches were labeled as 7 batches produced by enterprises in Guizhou Province, and 6 batches were qualified, with a pass rate of 85.
7%; 17 batches of 17 companies produced by enterprises outside the province, 12 batches were qualified, and the pass rate was 70.
6%.
Judging from the results of this spot check, the qualification rate of random samples of production enterprises in Guizhou Province is higher than that of other provinces
.
The results of this spot check show that the conductor resistance of 6 batches of wire and cable products is unqualified, and the reason for the unqualified conductor resistance is mainly that the manufacturer uses inferior copper or deliberately reduces the cross-sectional area in order to reduce production costs, and the conductor drawing process is not properly
controlled.
On February 18, the Guizhou Provincial Bureau of Quality and Technical Supervision announced the results of random inspection of wire and cable products, and among the 34 batches of products under all quality supervision, 28 batches were qualified, with a pass rate of 82.
3%.
The products sampled in this event are PVC insulated wires and cables, which are products with a large number of interior decoration options
.
The comparative inspection focuses on the indicators of human health and safety and affecting the service life, including conductor resistance, finished cable voltage test, insulation resistance, average thickness of insulation, thickness at the thinnest point of insulation, average outer diameter, tensile strength before insulation aging, elongation at break before insulation aging
, etc.
A total of 34 batches of products from 34 production enterprises were randomly inspected, and 28 batches were qualified, with a pass rate of 82.
4%.
Among them, 10 batches of products were randomly inspected in the production field, and the pass rate was 100%; In the circulation field, 24 batches of products were randomly inspected, and 7 batches were labeled as 7 batches produced by enterprises in Guizhou Province, and 6 batches were qualified, with a pass rate of 85.
7%; 17 batches of 17 companies produced by enterprises outside the province, 12 batches were qualified, and the pass rate was 70.
6%.
Judging from the results of this spot check, the qualification rate of random samples of production enterprises in Guizhou Province is higher than that of other provinces
.
The results of this spot check show that the conductor resistance of 6 batches of wire and cable products is unqualified, and the reason for the unqualified conductor resistance is mainly that the manufacturer uses inferior copper or deliberately reduces the cross-sectional area in order to reduce production costs, and the conductor drawing process is not properly
controlled.
