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...in medical device packaging because of exposure to rigorous EtO sterilization procedures, high temperatures and humidity, and short cycle times. In addition to high bond strength and creep resistance, the adhesive provides wide heat-sealing capability, high porosity (low Gurley rating), and good adhesion...

...that the medical device industry adapted some test techniques, such as the Gurley porosity test and the Elmendorf tear test for paper-barrier packages, from the paper industry, but few tests were available to determine the seal strength or integrity of the medical package. A series of significant events over...

...disposable devices. And, the term clean peelability was not in wide use. In some cases, an acceptable clean peel was determined by simply separating the top layer of a paper package and rating the degree of fiber tear. The porosity was measured in Gurley seconds, and values of several hundred seconds were...

...machines Machines capable of testing a wide variety of medical devices and subassemblies for leaks, correct flow rate, and other functional characteristics are available for medical device manufacturers. The machines can be configured to test medical devices using a variety of techniques including...

...materials; the remaining seven deal with requirements for specific types of materials or applications (e.g., paper bags, heat-sealable pouches, adhesive coated paper). As currently written, prEN 868-1 focuses on the selection and testing of materials. New Standards Set Global Scope For Device...

Selecting a filter depends on the application, the fluid or gas to be filtered, and the filter material. Most medical devices require a membrane filter that is less than 0.1 mm thick, with a precise pore diameter. Modern membranes are produced under rigid parameters to deliver high porosity...

...the laboratory staff of Air Dispersions Ltd., which performed the testing described in this paper, and Peggy Rook for her assistance in generating the test samples. REFERENCE 1. Alan Tallentire, "A Discriminating Method for Measuring the Microbial Barrier Performance of Medical Packaging Papers," Medical...

Medical Device & Diagnostic Industry Within the medical device community, package defects are considered a serious threat to the long-term sterility of terminally sterilized products. In one series of tests performed on approximately 9000 commercially packaged medical devices, approximately 0.2%...

...to provide a caulked effect that verifies that a strong seal is made. Medical device manufacturers may be able to accelerate their EtO sterilization cycles, increase run speeds, and reduce costs owing to the product’s high level of porosity, according to the supplier. The adhesive resists condensation...

Manufacturer. Spotlight on Packaging Supplies and Services Solvent-free hot-melt adhesive A solvent-free grid-patterned hot-melt adhesive was recently introduced. The porous material exhibits consistent peel strength and is formulated for use on medical-grade papers, thereby allowing device manufacturers...

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  • The Wiley Encyclopedia of Packaging Technology - M
    ...and paperboard (TAPPI dirt chart) AAMI TIR DP 01 Ed. 1 Particulates associated with vascular medical devices (in progress) ASTM D726: Standard test method for resistance of nonporous paper to passage of air (Guriey test for low porosity ) TAPPI T 536: Resistance...
  • On the performance of a melamine–urea–formaldehyde resin for decorative paper coatings
    ...and visual appearance of the resulting laminate sur- face by determining the acid value, porosity and gloss. The processability of the MUF impregnated papers was assessed by measuring the dynamic-mechanical properties of the im- pregnated papers using the Golombek testing device which is routinely used in the laminates industry.
  • Study on the Porous Media Used in Numerical Simulation of Temperature Characteristic for Isothermal Chambers
    Isothermal chamber, which is fabricated by empty chamber stuffed with thin metal wires, is a kind of test devices for flow rate characteristics of pneumatic components, and its temperature characteristics are critical to the accuracy of test results. In this paper , the stuffers in isothermal chamber were considered as porous medium with large porosity , so the temperature characteristics could be studied by numerical simulation.
  • Gold plating in the electronics industry
    Co-deposition of contaminants, leading to sub- standard deposits that may show defects such as discolouration on heating, increased porosity , surface residues and roughness at device assembly, testing or soldering, was cited by Duffek as a main problem area in gold plating... The remainder of this paper was devoted to the description of typical gold plating procedures, thicknesses and...
  • ZHMMD2003P051
    ...Titanium and Titanium Alloys, Biocompatibility of Clinical Implant Materials, Vol 1, D.F. Williams, Ed., CRC Press, 1981, p 9­44 J.A. McMaster, "Titanium for Prosthetic Devices ," paper presented at the DentalMedical... ...796, American Society for Testing and Materials, 1983 H. ...and F. Ordway, Mechanical Properties and Structure of Ti-6Al-4V with Graded- Porosity Coatings Applied by...
  • Electrostatic charging in transformer oils. Testing and assessment
    This group of apparatus uses the charge sepa.ration process resulting from liquid flow through a reference fil- ter made of paper or other material of appropriate poros- ity . Normally, the filter chargers ensure laminar flow of the tested liquid at the rate of flow used. They are the most commonly used devices for the measurement of ECT in insulating oils.