Shin'etsu region

Shin'etsu (信越地方, Shin'etsu Chihō) is a geographical region of Japan.

The area encompasses the old provinces of Shinano and Echigo. Though the name is a combination of those two provinces, the region also contains Sado Island from Sado Province. It is located in the modern-day prefectures of Nagano and Niigata.

Corporate usage

The name Shin-Etsu is used in the name of related multinational chemical companies.

The Shin'etsu Main Line is part of Japan Railways service running from Shinonoi Station in Nagano Prefecture to Niigata Station in Niigata Prefecture,.

In 1926, the Shinetsu Electric Company diversified as Shin'etsu Nitrogenous Fertilizer.

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Silicone rubber

Silicone rubber is an elastomer (rubber-like material) composed of silicone—itself a polymer—containing silicon together with carbon, hydrogen, and oxygen. Silicone rubbers are widely used in industry, and there are multiple formulations. Silicone rubbers are often one- or two-part polymers, and may contain fillers to improve properties or reduce cost. Silicone rubber is generally non-reactive, stable, and resistant to extreme environments and temperatures from -55 °C to +300 °C while still maintaining its useful properties. Due to these properties and its ease of manufacturing and shaping, silicone rubber can be found in a wide variety of products, including: automotive applications; cooking, baking, and food storage products; apparel such as undergarments, sportswear, and footwear; electronics; medical devices and implants; and in home repair and hardware with products such as silicone sealants.

Curing

In its uncured state, silicone rubber is a highly-adhesive gel or liquid. In order to convert to a solid, it must be cured, vulcanized, or catalyzed. This is normally carried out in a two-stage process at the point of manufacture into the desired shape, and then in a prolonged post-cure process. It can also be injection molded.