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Executive Product Summary on Block Mold Expanded Polystyrene Machines

• Kornylak Corporation manufactures two types of EPS molding machines: Block Mold and Panel Mold
• The Block Mold produces solid polystyrene blocks weighing 200 pounds or more with lengths in excess of 16 feet
• The Panel Mold forms the EPS around a structural element to form a fully insulated building panel
• The Block Mold uses an ejector to push the finished block out an opposing door
• The full length lid on the Panel Mold raises while the bottom screen lifts the finished panel for easy removal
• Both molds utilize tight seals around the various opening to eliminate steam and vacuum losses
• Either mold can be run automatically or manually
• Both molds fill with the pre-expanded polystyrene in less than 60 seconds
• Special stainless steel slotted screens allow steam to be delivered rapidly and uniformly
• This results in an extremely quick expansion and fusing of the beads creating a superior product
• Kornylak provides both molds with a master control console
• Both molds require a vacuum system and special surge tank that can be furnished by Kornylak
• Both molds require a large quantity of pre-expanded polystyrene beads
• Kornylak Corporation can provide the pre-expander units and dryer beds
• Other accessories are available from Kornylak including conveyors, scales, hot-wire cutters, etc.

• Pre-expanded styrene is blown into the mold
• A quick vacuum is pulled removing most of the air
• Steam is blown in to expand and fuse the polystyrene beads
• A vacuum is applied to cool and dry the block
• The block is finished within 6 minutes
• The door open and the solid styrene block is automatically pushed out

• Structural panel and spacer blocks are placed on the bottom screen
• The bottom screen is lowered placing the panel in center of the cavity as the lid closes
• Pre-expanded EPS beads fill the mold on both sides of the structural panel
• A quick vacuum is pulled removing most of the air
• Steam is blown in to expand and fuse the polystyrene beads
• A vacuum is applied to cool and dry the structural insulated panel
• The panel is finished within 6 minutes
• The lid rises and the bottom screen lifts the finished panel for easy removal

• Perfect interior bonding
• Good corner and edge bonding
• Uniform density distribution
• Low water content
• Short production cycles

• Expanded Polystyrene blocks are cut and shaped into a multitude of products
• Hot wire cutters are used to cut strips for insulation sandwich panels, decorative moldings, signs, figurines, fluted pillars, garage doors, etc.

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