{"id":2010,"date":"2026-08-05T06:00:00","date_gmt":"2026-08-05T06:00:00","guid":{"rendered":"https:\/\/cnfuerte.com\/blog\/silicone-rubber-polymer-insulator-selection\/"},"modified":"2026-10-20T03:06:14","modified_gmt":"2026-10-20T03:06:14","slug":"silicone-rubber-polymer-insulator-selection","status":"publish","type":"post","link":"https:\/\/cnfuerte.com\/ru\/blog\/silicone-rubber-polymer-insulator-selection\/","title":{"rendered":"What Should an Insulator Silicone Rubber RFQ Request?"},"content":{"rendered":"

When a tender asks for a \u201csilicone rubber insulator<\/strong>,\u201d the material word can dominate the discussion while the electrical and mechanical requirement remains undefined. That creates avoidable quotation differences: one supplier may describe housing material, another may answer pollution performance, and neither may be addressing the same application. A useful RFQ turns the material phrase into evidence questions without inventing a performance number for an unspecified model.<\/p>\n

Summary: A silicone rubber insulator request should identify the insulator role, voltage and insulation basis, mechanical load<\/strong>, site pollution information, and the documents required for the offered configuration. IEC 61109 covers composite line insulators, IEC 62217 provides general polymeric-insulator tests, and IEC TS 60815 addresses pollution-site dimensioning; none of those references makes a material slogan a complete selection.<\/p>\n

What should a silicone rubber insulator RFQ request?<\/h2>\n

Ask the supplier to state the housing material and its evidence, but keep that field beside application, electrical class, mechanical strength, interface drawing, and environmental conditions. Use a polymer insulator<\/strong><\/a> category page as a routing point, not as proof that one family fits every line position.<\/p>\n\n\n\n\n\n\n\n\n\n
RFQ field<\/th>\nRequest<\/th>\nAvoid<\/th>\n<\/tr>\n<\/thead>\n
Housing<\/td>\nMaterial wording and supporting document<\/td>\nMaterial-only slogan<\/td>\n<\/tr>\n
\u041f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435<\/td>\nPin, suspension, strain, or line-post role<\/td>\nUnstated load path<\/td>\n<\/tr>\n
Electrical basis<\/td>\nVoltage, insulation level, and drawing reference<\/td>\nGuessed class<\/td>\n<\/tr>\n
Environment<\/td>\nSite profile and requested evidence<\/td>\nInvented pollution number<\/td>\n<\/tr>\n
Documents<\/td>\nExact model data sheet and test list<\/td>\nFamily brochure only<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Why do electrical and mechanical inputs still come first?<\/h2>\n

A housing material does not determine the required mechanical role or insulation coordination. Record the system voltage, insulation level, conductor arrangement, specified mechanical load, and mounting interface from project documents. If a value is unknown, label it unknown and request clarification rather than copying a neighboring model.<\/p>\n

A shed-profile review<\/a> should use the actual housing drawing and site conditions rather than a material name alone.<\/p>\n

\"FUERTE<\/figure>\n

How should pollution and hydrophobicity questions be written?<\/h2>\n

Describe the location and the owner\u2019s method for assessing site pollution, then ask what evidence the bidder will return. IEC TS 60815 is a dimensioning framework; it is not a universal product rating. Hydrophobicity language should identify the test or acceptance method requested, not imply a permanent outcome without data.<\/p>\n

What comparison helps procurement teams?<\/h2>\n
\"FUERTE<\/figure>\n\n\n\n\n\n\n\n\n
\u0420\u0430\u0437\u043c\u0435\u0440 \u0440\u0435\u0448\u0435\u043d\u0438\u044f<\/th>\nEvidence to compare<\/th>\nBoundary<\/th>\n<\/tr>\n<\/thead>\n
Material identity<\/td>\nDeclared housing material and controlled model<\/td>\nDoes not prove lifetime<\/td>\n<\/tr>\n
Electrical duty<\/td>\nRated system and insulation information<\/td>\nNeeds project coordination<\/td>\n<\/tr>\n
Mechanical fit<\/td>\nLoad, hardware, and interface drawing<\/td>\nImage cannot prove fit<\/td>\n<\/tr>\n
Environment<\/td>\nSite profile and requested tests<\/td>\nNo assumed pollution class<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Which documents should accompany the quotation?<\/h2>\n