A. “Common” bladder mold :
with simple mechanism, it needs to put raw rubber into the bladder mold, and after curing, a bladder model can be formed. The advantages include simple structure, cheaper cost than an injection type, while its disadvantage is that its thickness will be higher than the one produced by an injection type, the thickness of bladder will affect its life-span.
B. “Injection” bladder mold :
with complex mechanism, it injects softened rubber through tip into a mold, thereby forming the bladder. Its advantages cover a better surface image, thinner bladder thus longer durability; while the disadvantage will be that around 5%~15% of waste will be generated during the production.