<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31370800</termId><termName>silicone rubber</termName><termType>PT</termType><termNote><![CDATA[ Rubber made from silicone elastomers and characterized by its retention of flexibility, resilience, and tensile strength over a wide temperature range and its resistance to weathering and many chemicals. ]]></termNote><termCreatedDate>2026-03-30 20:40:00</termCreatedDate><relation><relationType>UF</relationType><termId>31370801</termId><termName>rubber, silicone</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31340072</termId><termName>polyisoprene</termName><termType>PT</termType></relation></term>  </Zthes>