The back glue of the bottom cloth

Usually back rubber styrene-butadiene latex, higher-end back for PU glue way back glue, difference is that the back of the PU adhesive force of yarn josephalbert performance is much higher than that of butyl benzene latex, bright appearance, good waterproof performance, due to the back of the PU adhesive a molding, additives, so more environmentally friendly. But the cost of the pudgel is high, and usually the finished product sells for more than 20 to 30 percent of the finished product.