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  • Achieving Functional Excellence with Silicone Coatings
    for flexibility. at the expense of lower. application process instead. This enables. 13-40. Higher tear for durability. durometer, higher viscosity and. the coating to achieve either film formation. Tear Strength. kN/m. Lower tear for economics. greater raw-material cost. or penetration, which, in turn
  • Effect of Sterilization on the Mechanical Properties of Silicone Rubbers (.pdf)
    on an Instron using ASTM D-412. Tear tests. 50. were performed on an Instron according to ASTM D-. 0. 20. 40. 60. 80. 624. Hardness measurements were carried out on a. Radiation Dose (kGy). shore A durometer, following the procedure of ASTM. D-2240. Each data point reported on the plots. Figure 3. Effect
  • Low Extractable Silicone Tubing (.pdf)
    of. Sani-Tech® Ultra 50 is illustrated in Figure 3. 100. 90. Specimen 1. 80. Specimen 2. 70. 60. 50. C (ppb). T. O 40. 30. 20. 10. 0. 1. 3. 5. 7. 10. 15. 20. Figure 3. TOC Flush Profile of. Flush Volume (L). Sani-Tech® Ultra 50 tubing. The TOC number is taken from the average of the TOC from all the tested
  • Blow-moldable TPVs give silicone rubbers the boot
    Blow molding is a well-established process that lets designers glean more design freedom and drop part cost by easing assembly via parts consolidation. Problem is, conventional low-durometer ( <45 Shore D) materials suitable for blow molding have notoriously been plagued by one significant
  • Medical Device Link .
    , and solvents should not be used with silicones. Mechanical Properties. Silicone rubbers have high tear (to 250 ppi) and tensile (to 1500 psi) strength, good elongation (to 1250%) and flexibility, low compression set, and a durometer range of 5 to 80 Shore A. The softer forms of silicone have the ability
  • Medical Device Link .
    and to the generation of hydrogen chloride during incineration. Environmentalists have raised concerns that the disposal of PVC by incineration may be a source of dioxin contamination. PVC devices, such as IV bags and blood bags, typically contain 30 40% DEHP by weight. Other devices
  • Medical Device Link .
    performance. Three new vinyl films from Teknor Apex (City of Industry, CA; 800/556-3864) withstand the hot and cold temperatures of therapy packs. The new films exhibit brittle points as low as 40 F and exhibit high consistency and flexibility. They range from 68 to 92 in Shore A durometer with a 15
  • Turbocharged Engines Hotter Than Ever
    to increase. charging. In the U.S., only about 10%. torque and horsepower while reduc-. of new passenger cars and light-duty. ing fuel consumption and carbon. trucks are fitted with turbochargers. emissions. Up to 40% greater fuel. SuPerIOr. Some forecasts say that will grow to. economy and greatly reduced
  • Medical Device Link . Medical Device Exporting Seminar Announced Perfecseal Awarded Shingo Prize Panasonic Forms New Medical Unit NuSil Expands Material Testing Services BioScreen Testing Acquires Biotechnics Labs
    service. For over a decade the company has performed silicone testing per ASTM E595, and now all forms of silicone materials may be tested, including fluids, gels, adhesives, elastomers, and dispersions. Specific tests include durometer per ASTM D2240, tensile strength per ASTM D412, thermal
  • Medical Device Link .
    alternative to rubber, and, with the exception of flame-retardant grades, is halogen free." Designed for high-temperature and high-performance applications, the Evoprene Super G grade compounds are available from 30 to 80 durometer Shore A. Compared with other TPEs of similar durometer

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