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After recently being named President of Albright Technologies, Bob Waitt will be receiving an EMERGE Award this week. This award is given to 10 young professionals who work in North Central Massachusetts for their outstanding work professionally and in the community. Each nominee was scored by a small selection committee on his or her career history…

Question: What criteria should people consider in selecting the hardness of a silicone compound? Answer: Criteria for hardness may be best answered by considering what it means. Durometer is a measure of the resistance to indentation by a probe tip. Most silicones fall into shore A range although there are exceptions. Lower durometers feel softer like pressing…

Unfortunately like many problems, the answer to your question depends on the application, loads, and part size and geometry. The risk of choking is difficult to quantify but a quick search suggests that thin sheets or hard round shapes like coins are significant choking hazards as we all know. The question becomes how to quantify…

The primary difference between silicone and plastic properties drives the differences in mold design. The largest difference is the temperature profile between silicone and plastic. The mold design and construction will also be dependent on the product geometry, size, materials, equipment, quantities, cycle times, undercuts, flash limitations, and parting line and gate restrictions.   Read the…

Question: What is the difference in cycle time for molding medical silicone parts vs cycle time for molding medical thermal plastic parts? Answer: The processing conditions can be optimized to match the tool design, part geometry, and material but each presents limitations. Injection process times are driven by material. Silicone parts can often be released with no…

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