A professional who assists polymerization-kettle operator in polymerizing raw resin materials to form phenolic, acrylic, and polyester resins. Respnsibilities include:

• Starts pumps and turns valves to route raw materials into designated reactor vessels.
• Dumps powdered ingredients and resins into reactors by hand or using hoist.
• Turns reactor discharge valve to allow material to flow through funnel into drums to fill drums with base and blended resins.
• Marks product data on drums, using precut stencils, ink, and brushes.
• Makes new stencils as necessary, using stencil-cutting machine.
• Transports materials in production area, using handtruck and powered hoists.
• Taps reactors to obtain test samples for laboratory tests.
• Starts pumps and opens valves to pump resin from storage tanks into tank trucks or railroad cars for shipment.
• May tend coolers to reduce temperature of resins after polymerization.
• Performs other duties as described under helper master title.