12855 77 - Tehplastina Um Gost

These technical plates are manufactured in several forms to fit different sealing needs:

Universal oil-, heat-, and frost-resistant. It is the most versatile type, typically used in contact with transformer oils. tehplastina um gost 12855 77

Ozone- and frost-resistant. This type is optimized for outdoor environments where exposure to ozone and low temperatures is a factor. Technical Specifications Type UM (Universal) Type OM (Ozone-Resistant) Operating Temperature -60°C to +100°C -55°C to +50°C (standard) Hardness (Shore A) 55–70 units 70–80 units Tensile Strength min. 6.4 MPa min. 7.8 MPa Service Life Formats and Sizes These technical plates are manufactured in several forms

The standard defines two main categories based on their resistance properties: tehplastina um gost 12855 77