Stoner Fluoroelastomer Mold Release A373 – Fluoroelastomer Mold Release Stoner® A373 Fluoroelastomerâ„¢ Mold Release is a semi-permanent, fast curing release for fluorels, vitons and other fluorocarbons. A373 is specially formulated as a long lasting, non-transferring release agent and anti-stick mold coating for molded fluoroelastomers and similar materials. Provides a permanent yet removable, thin-layer, anti-stick mold surface coating for fast, easy part removal from molds. A single application will allow multiple molding cycles. When the mold eventually begins to stick, often the sticking area alone can be “touched-up” quickly and allow continued molding with minimal production delay. Improves molding efficiency in many processes including injection, compression, and transfer molding. Stoner Fluoroelastomer Mold Release is available through HeatSource.