ASTM E Test Method. NuSil Technology LLC. Carpinteria, CA. +1 () +1 () Fax [email protected] Outgassing data (ASTM Specification E). Nelco / Neltec. Product. Total Mass Loss. TML (1% max). Collected Volatiles. Condensable Material. CVCM (%. Outgassing, EMI Silicones, and ASTM E – Outgassing in high-vacuum environments can disrupt electronic equipment and optical.
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Samples tested at other temperatures may be compared only with other materials which were tested at that same temperature. Engage with an expert today.
Environmental – Pacific Testing Laboratories
After a hour outgas exposure, the specimens and the condensing plates are weighed to determine mass loss, and the percentage of the volatile effluents that were collected during testing. The user may designate additional tests to qualify materials for a specific application. Facebook Twitter Email Other. Terms and Conditions of Sale Contact. For example, materials that release high levels of airborne molecular contaminants AMCs can degrade the performance of sensors and circuit boards in satellites.
In addition to measuring outgassing levels, our experts can provide testing and data about residual gas analysisthermal properties and other aerospace properties. Condensation from this process can collect on sensors, electronics and navigational equipment, causing damage to mission-critical equipment. For engineers who need low outgassing compounds with the right balance of properties, post-conditioned SSP is an excellent choice. Because outer space is a vacuum, engineers must also account for how released gases can condense on camera lenses.
The overall mass loss can be classified into noncondensables and condensables. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
In medical environments such as hospitals, AMCs can contaminate sterile surfaces. Engaged in testing virtually every material, component and system on commercial aircraft, Element’s deliverable is mission critical, certainty. The independent testing agency also determined that the average WVR was 0. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
With the ability to cause damage and failure to mission-critical components, outgassing is an important characteristic to be considered in material selection. Our deliverable is certainty – high quality data, test reports and certificates that you can absolutely rely on when making decisions about your materials and compliance.
It is sufficient that the pressure be low enough that the mean free path of gas molecules be long in comparison to chamber dimensions. Asmt specimen must be weighed within 2 min after opening the vial to minimize the loss or absorption of water vapor while exposed to an uncontrolled humidity environment.
Most frequently associated with volatile materialsoutgassing occurs when gases and vapors are released from polymers and elastomers at above-ambient temperatures. Discover perspectives, resources, and advice from our world-leading Engaged Experts. Ready to request a quote? Our ASTM E testing services are critical to the material selection process for high vacuum applications.
With materials testing laboratories span from coast to coast in the US, Element’s clients enjoy access to our global platform of testing capacity, capabilities and experts.
Through optional post-conditioning, SSP can supply this nickel-graphite EMI elastomer in a low-outgassing grade upon request. Outgassing in high-vacuum environments can disrupt electronic equipment and optical devices. Make an inquiry today.
These include polymer potting compounds, foams, elastomers, astj, tapes, insulations, shrink tubings, adhesives, coatings, fabrics, tie cords, and lubricants. For more information about our ASTM E outgassing capabilities, or to request a quote, contact us today. Therefore, subsequent functional, developmental, and qualification tests should be used, as necessary, to ensure that the material’s performance is satisfactory.
Silicones That Work
Element can provide you with critically important data on your product or part’s performance in response to typical or extreme environmental stresses and conditions. Dark gray in color, SSP comes in ee595 rolls and can be supplied in thicknesses from 0.
The fill material for SSP also costs less than silver-aluminum, silver-copper, or silver-glass. Link to Active This link will always route to the current Active version of the standard.
ASTM E defines testing procedures for evaluating changes e5595 material mass caused by outgassing in high-vacuum environments. Historical Version s – view previous versions of standard.
Historically, TML of 1. To obtain these values, multiple samples of this post-conditioned, nickel-graphite filled silicone were tested.
The vials must be capped before removal from the conditioning chamber.