High content Quick dissolve Fast absorbing near neutral 1. High content, this product is a concentrated chemical boron product, the content of boron is more than 21.4%, is two times higher than the content of boron in borax.2,Quick dissolve, this product dissolves quickly, the speed of dissolving in water at 0°C is 2.2 times higher than that of borax, 3.67 times at 20°C, 5.61 times at 30°C, it ...