Modifiers matching rubber:

• resilient,
• natural,
• conventional,
• porous,
• soft,
• liquid,
• expensive,
• elastic,
• raw,
• thermoset,
• polar,
• ordinary,
• reliable,
• softer,
• special,
• hard,
• organic,
• inexpensive,
• conductive,
• stock,

Simple categories matching thermoset:

• polymer,
• elastomer,
• plastic,
• resin,
• adhesive,
• polyester,
• rubber,
• material,
• system,