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PUR-based Electro Casting Resins & Machinery for E&E: RAMPF at productronica China

Published on 2017-04-04. Author : SpecialChem

Polyurethane Electro Casting Resins from RAMPF Increase the Resistance of Electrical and Electronic Components to Thermal Shock
Polyurethane Electro Casting Resins from RAMPF
Increase the Resistance of Electrical and
Electronic Components to Thermal Shock
TAICANG, China -- At productronica China 2017 in Shanghai, the international RAMPF Group showcased innovative materials and machinery for casting electrical and electronic components .

With its Chinese subsidiary RAMPF (Taicang), the international RAMPF Group has established itself as one among the leading suppliers of electro casting resins as well as mixing and dispensing systems on the Chinese market.

RAMPF’s Product Portfolio


  • Electro casting resins based on PUR, epoxy, and silicone with exceptional mechanical and chemical properties and a high level of thermal conductivity. RAKU-PUR®, RAKU-POX, and RAKU-SIL brand products are used in a wide range of electronic and electrical applications in the automotive, energy, automation, and household goods industries, to name just a few.
  • Mixing and dispensing systems for casting single-, dual-, and multi-component reactive resin systems. Project-specific automation concepts with integrated parts transport and heat treatment, assembly and joining technologies, as well as logistics and quality assurance solutions.

RAMPF’s Product Innovations at productronica China 2017


RAKU-PUR® Electro Casting Resins with Optimum Thermomechanical Properties


Thermal shock – shock-like temperature fluctuations linked with the thermal expansion coefficient of materials – can lead to fractures in contacts and cables, cracks in the resin, and cause gaps to open up between the resin and plastic parts in sensitive and complex electrical and electronic components such as control units and sensors.

To increase the resistance of electrical and electronic components to thermal shock, German-based RAMPF Polymer Solutions has developed a comprehensive portfolio of high-performance polyurethane electro casting resins whose outstanding thermomechanical properties have been confirmed in dynamic-mechanical analyses (DMAs).

The RAKU-PUR® portfolio of electro casting resins ensures a perfect and lasting resistance to temperature fluctuations in an application range from -40 to +130°C, with benefits including:
  • Low modulus of elasticity
  • Low Shore hardness
  • Low water absorption and good hydrolytic resistance
  • Low glass transition temperature
  • Low dielectric constants
  • Low shrinkage and stress during curing due to low exothermicity
  • Good curing at room temperature

Thanks to the use of non-abrasive fillers, the RoHS-compliant, RTI-listed polyurethane systems can be processed on standard 2-component mixing and dispensing systems. Resins are also available that are flame-retardant to UL 94 V0.

1-Component Electro Casting Resins from RAMPF are Used Especially in the Automotive Industry
1-Component Electro Casting Resins from RAMPF
are Used Especially in the Automotive Industry

1- and 2-Component Electro Casting Resins with Excellent Thermal Conductivity


RAMPF Polymer Solutions also has the perfect solution for keeping components at the ideal temperature for their long-term functionality. 1- and 2-component electro casting resins with high thermal conductivity of up to 2.2 W/(m*K) ensure that heat is efficiently conducted away from the component, thus reducing thermal loads.

Casting and Automation of Electronic and Electrical Components


The expertise of German-based RAMPF Production Systems ranges from the casting process to the relevant automation solutions.

The process expertise covers:
  • Casting under atmosphere – casting without process forces is a stress-free way of providing lasting protection for sensitive electronic assemblies. Casting processes (single- or multi-step) designed by RAMPF can be used to manufacture products that are reliably protected from contact, moisture, and damage.
  • Casting in a vacuum – components with windings, narrow gaps or shapes that are difficult to vent can be cast without air bubbles in a vacuum. This creates products that meet high insulation requirements and work well for a long time, even in extreme conditions. The vacuum technology also enables the manufacture of optically transparent connections.

RAMPF Guarantees for Efficent and Economical Casting Processes
RAMPF Guarantees for Efficent and
Economical Casting Processes
The automation expertise covers:
  • Handling and robotics (e.g. KUKA, ABB, FANUC, and DENSO)
  • Component transport (goods carriers, belt straps, and rotary indexing tables)
  • Control technology (e.g. SIEMENS, Beckhoff)
  • Recording all process parameters with MES connection
  • Constructing tools and equipment
  • Heat treatment (infra-red, circulating air, HF procedure)
  • Image processing and sensors
  • Contactless measuring technology

Fabian Werner, Managing Director of RAMPF (Taicang), said:
“In electrical and electronics production, we’re represented on the Chinese market with a unique portfolio of products and solutions. Whether its materials, machinery, processing or turnkey production systems – we ensure our customers optimum production processes and perfect results.”

About RAMPF


RAMPF Group Inc. offers mixing and dispensing equipment, reactive resins products and modeling and mold engineering materials.

The RAMPF Group is firmly in family hands, with Michael and Matthias Rampf at the helm. Horst Bader is responsible for finance, controlling, and strategic purchasing, while company founder Rudolf Rampf chairs the advisory board.

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Source: RAMPF Group
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