At SPF we only use 100% natural rubber
Natural rubber sometimes is also called by the names of India rubber, latex, Amazonian rubber, caucho or caoutchouc.
Currently, rubber is harvested in the form of the latex from the rubber tree. The latex is a sticky, milky colloid drawn off by making incisions in the bark and collecting the fluid in vessels in a process called “tapping”. The latex then is refined into rubber ready for commercial processing. In major areas, latex is allowed to coagulate in the collection cup. The coagulated lumps are collected and processed into dry forms for marketing.
When we make our flipper and rubber rings , we add natural color, then heat up the molds and the rubber itself is heated up to around 200 degrees celsius during this process. The process is slow but give rubber and flipper rings of superior quality.
BE AWARE: There is a BIG difference between natural rubber and the synthetic crap often used and put into rubber rings originating from China. Most pinball rubber sold to day are OEM made in China even though it have the brand name of a big American or European company. Synthetic rubbers are made in chemical plants using petrochemicals as their starting point. They are also loaded with more or less toxic additives to get the right color, bounce and endurance…