1 Jan Buy ASTM D PRACTICES FOR EVALUATING THE RESISTANCE OF PLASTICS TO CHEMICAL REAGENTS from SAI Global. Current edition approved April 1, Published June Originally www. 4 approved in Last previous edition approved in as D Published June Originally approved in Last previous edition approved in as D – 95 (). DOI: /D ASTM Standards
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Based on Figure 5. Variations in the stress-strain response of coupons after immersion in 0. Standards can be obtained from appropriate standards authorities. Five percent Ammonium Hydroxide showed the greatest change 3. Sunday, March 15, astm d Assurance Enabling you to identify and mitigate the intrinsic risk in your operations, supply atsm and business processes.
Chemical reagent levels in the containers were maintained so that the coupons were fully submerged over the seven-day soaking period.
The most typical physical strength properties evaluated are tensile strength and elongation. This coupon was discarded and was not used in the study. Auditing Consulting Sourcing Training. The most typical physical strength properties evaluated are tensile strength and elongation.
Chemical reagents can include lubricants, cleaning agents, inks, foods, or anything else that the test dd543 may be expected to come in contact with.
Provisions are made for various exposure times, strain conditions and elevated temperatures.
Chemical Resistance ASTM D ISO UL
This standard and ISO Part 3 address the same subject matter, but differ in technical content and the results cannot be directly compared between the two test methods. Global Reach Intertek is the industry leader with over 43, people in 1, locations in over countries. It should also be noted that astk of the coupons 1 lb and c show much higher stress-strain response than a.
Active view current version of standard.
Evaluating the Resistance of Plastics to Chemical Reagents
These practices include provisions for reporting changes in weight, dimensions, appearance, and strength properties. The specification of these conditions provides a basis for standardization and serves as a guide to investigators wishing to compare the relative resistance of various plastics to typical chemical reagents. Details to know more click here http: All test laminate coupons measured approximately mm in length by 25 mm in width and 5 mm in depth.
This standard does not purport to address all of the safety concerns, if any, associated with its use.
The choice of types and concentrations of reagents, duration of immersion or stress, or both, level of stress, temperature of the test, and properties to be reported are necessarily arbitrary. Prior to ASTM D testing specimen coupons were tested in the device using a strain gauge bonded to the bottom of the specimen coupon.
The device uses a three point bending design with coupon contact dimensions similar to those used in the D test. Historical Version s – view previous versions of standard.
Depending upon the type of contact anticipated d534 the test sample, the exposure to the chemical agent could be immersion, wipe, spray, or saturated gauze. Further testing is required to confirm whether 0.
ASTM D – 06 Standard Practices for Evaluating the Resistance of Plastics to Chemical Reagents
At the completion of the seven-day exposure period each coupon was visually evaluated and mechanically tested in accordance with ASTM D to determine if the stressed chemically exposed laminates mechanical properties changed. Referenced Documents purchase separately The documents listed below are aetm within the subject standard but are not provided as part of the standard.
Through our network of over 43, people in 1, laboratories and offices in countries, Intertek provides quality and safety solutions to a wide range of industries around the world. Send us a request Wilton UK: For applications involving continuous immersion, the data obtained in short-time tests are of interest only in eliminating the most unsuitable materials or indicating a probable relative order of resistance to chemical reagents.
Whether your business is local or global, we can ensure your products meet quality, health, environmental, safety, and social accountability standards for virtually any market around the world. Chemical reagents can include lubricants, cleaning agents, inks, foods, or anything else that the test material may be expected to come in contact with. BOD coupons were taken from Plates 12 and The influence of coupon thickness on the flexural yield stress is not known at this time.
This slight angle is a characteristic of the JetCut process. Posted by Tabitha at 8: Axtm measuring the laminate coupons it was noted that the specimen edges were at a slight angle with respect to the depth of the material. This test covers the evaluation of plastic materials for resistance to chemical reagents, simulating performance in potential end use r543.
These practices include provisions for reporting changes in weight, dimensions, appearance, and strength properties. Standard reagents are specified to establish results on a comparable basis. Link to Active This link will always route to the current Active version of the standard.
After the agreed upon period of time, the specimens are removed and evaluated for desired properties such as change in weight, appearance or tensile properties vs. Work Item s – proposed revisions of this standard.
Test results were compared with the water control of the immersed tests.