plastics additives – foaming/blowing agents There may be occasions when it is desirable to reduce the weight of a thick sectioned injection moulding. Alternatively, it might be necessary to reduce the warping of a moulding or eliminate the sink marks, caused by ribs …
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Bergen International's line of nucleating agents provides excellent nucleation for gasses such as CO2, Nitrogen, Z2, Hydrocarbons, etc. These chemical foaming agents can provide fine, uniform cell structures in direct gas extrusion and reduce usage of physical blowing agent gases. Learn More
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The Hydrocerol® foaming agent has been extensively employed in the last few years [21-25]. These chemical agents, with decomposition temperatures between 160 °C and 210 °C, can be added directly into the hopper of an injection moulding machine in the form of pellets in …
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Bergen International's line of nucleating agents provides excellent nucleation for gasses such as CO2, Nitrogen, Z2, Hydrocarbons, etc. These chemical foaming agents can provide fine, uniform cell structures in direct gas extrusion and reduce usage of physical blowing agent gases. Learn More
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Foam injection molding is a variant of conventional injection molding that uses a chemical blowing agent (CBA). The main advantages are the reduction of density and elimination of sink marks. On the other hand, the ever-increasing customer demands for quality and low cost have led to the requirement of best possible quality.
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Our cellular foaming agents help you cut weight, conceal surface defects and improve cycle times. Tested and proven across a wide range of polymers and applications, these foaming agents can be relied upon time and time again to make your manufacturing jobs easier and …
Chat OnlineTecoCell ® H1. TecoCell ® H1 is a specially formulated concentrate that is recommended for foaming polyolefins and polystyrene, and, nucleation of these polymers when foamed with physical blowing agents. This product activates at temperatures above 400 ̊F. The product is targeted for applications where the smallest cell size achievable with a CFA is required.
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Clariant, a world leader in specialty chemicals, today announced commercialization of new HYDROCEROL® chemical foaming agents that can help automakers cut the weight of many plastic interior car parts without adversely affecting appearance or performance. Mass reduction, as it is known in the industry, is critical to achieving new, progressive fuel-economy standards.
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plastics additives – foaming/blowing agents There may be occasions when it is desirable to reduce the weight of a thick sectioned injection moulding. Alternatively, it might be necessary to reduce the warping of a moulding or eliminate the sink marks, caused by ribs …
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Chemical Foaming Agents for Injection Molding Applications... Reduce Cycle Times, Remove Sink Marks, and Reduce Part Weights . Bergen International has a proven line of Chemical Foaming Agents to help you maximize your cost savings in your Injection Molding processes.
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Bergen International's line of nucleating agents provides excellent nucleation for gasses such as CO2, Nitrogen, Z2, Hydrocarbons, etc. These chemical foaming agents can provide fine, uniform cell structures in direct gas extrusion and reduce usage of physical blowing agent gases. Learn More
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Generally speaking, a blowing agent is mixed with the ... While gravimetric feeders are preferred, higher cost makes these feeders harder for some to justify. ... Weight reduction and sink removal are the two main reasons that chemical foaming agents are used in injection molding.
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Blowing agent choice per application In contrast to HCFC141b, where one blowing agent was chosen for all rigid foam applications, different blowing agent choices will be available after the HCFC phase out. Pentane is generally preferred when the foam consumption is high (e.g. in board or panel lamination). In figure 3, the blowing agent choice in
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Foaming Agent Masterbatches or Concentrates. RTP Company's foaming agent masterbatches provide several benefits to injection molded plastic articles: Reductions of plastic part weight by up to 20% for density critical applications such as fuel floats and energy saving transportation equipment.
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Blowing agent was used to enhance exfoliation in polymer nanocomposite. 30 Polypropylene or polystyrene form polymer matrix for this composite. 30 Nanomer ® I.44P (a dimethyl dihydrogenated tallow ammonium chloride modified montmorillonite) is the nanofiller. 30 Azodicarbonamide was used as blowing agent with ZnO as the activator. 30 Figure 11.2 shows the steps of intercalation and ...
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