Different types of the rubber products are used in automobile for various applications. There are mainly two types of the automotive rubber products. So-called weatherstrip parts fill the space between body and other parts to secure the air tightness, thus preventing water, sound and dust from entry. They also absorb the door opening/closing shock, and prevent vibration, etc. The weatherstrip parts have the important function of improving the outside appearance of automobile from a cosmetic point of view.
On the other hand, various functions and performances are required for the so-called hose related parts.

(1) Functions and performances that are required by the operating environment (inner fluid, surrounding environment, etc.)
(2) Functions and performances that are required by the installation condition (peripheral part, mating pipe, etc.)
(3) Other functions and performances (internal pressure, etc.)