what is the different between pvc coated dumbbell and iron dumbbell

Comparison of  pvc coated dumbbell and Iron Dumbbell
First, the hand is different from ordinary iron dumbbells.
The second is that the color of various colors will not drop, the phenomenon of paint drop is absolutely not in the immersion molding. The adhesion after immersion is very good, and it will not fall one by one.
The third is the increase in the service life of the product. If the surface treatment is painted or sprayed with other things, the time is longer to peel off, which affects the service life of the product.
The fourth is to deal with the good impregnated liquid heavy metal standards, no harm to the human body. This is its environmental nature.
Fifth, in this era of buying things at a reasonable price, immersion dumbbells became popular


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