Additive for the plastics industry CellForm

foam

Product information
CellForm is a chemical foaming solution for injection molding that supports common chemical (CBA) and physical (primarily MuCell) foaming processes. In chemical foaming, a blowing agent is added to the granulate and decomposes during melting; the generated gas dissolves in the melt and forms cells when pressure drops in the cavity.

Main benefits

• Material savings through reduced component weight; further potential from part redesign or foaming with opening stroke
• Lower CO₂ footprint due to reduced material and energy use and shorter cycle times
• High dimensional stability for low warpage and consistent parts
• Shorter cycle times by reducing holding-pressure phase and optimizing mold cooling
• Lower clamping force requirements

Extensions / Combination options

• CX series (hydraulic machines) — compact and flexible basis for expansions with available injection processes
• GX series — hydromechanical dual-platen concept with modular design; configurable with all injection units
• MX series — large-scale machines with hydro-mechanical dual-platen clamping for complex production cells
• powerMolding — standardized series for economical production of simple parts; hydromechanical two-platen technology
• precisionMolding — all-electric entry-level solution combining performance, simple operation and short delivery times
• Integration and configuration options available with KraussMaffei machine series

Technical specifications

• Supported process types: chemical foaming (CBA) and physical foaming (primarily MuCell)
• Chemical foaming principle: blowing agent added to granulate; decomposes during melting; gas dissolves in melt and forms cellular structure upon cavity pressure drop
• Standard low-pressure process: cavity filled to ~90%; subsequent expansion completes filling without additional pressure
• Optional high-pressure process: cavity filled completely, then brief mold opening creates a gap that initiates foaming
• Key advantages: material reduction, lower energy/CO₂, improved dimensional stability, shorter cycles, lower clamp force
• Combination options with multiple KraussMaffei machine series (CX, GX, MX, powerMolding, precisionMolding)
• Product literature: brochure "Foaming with CellForm - For lightweight and cost-effective parts" (PDF, ~1.7 MB)