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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Due to copyright restrictions, we are not able to provide copies of standards. Referenced Documents purchase separately The documents listed below are referenced ashm the subject standard but are not provided as part of the astn. This slight angle is a characteristic of the JetCut process. The values given in brackets are for information only.
Visual examination of a non-tested coupons cut from Plate 12 revealed that the coupon had an inherent plane of weakness in the middle of the test coupon Figure 5. Assurance Enabling you to identify and mitigate the intrinsic risk in your operations, supply chains and business processes.
Chemical reagents can include lubricants, cleaning agents, inks, foods, or anything else that the test material may be expected to come in contact with. Evaluating the Resistance of Plastics to Chemical Reagents.
Weight and Dimensions Changes, test results indicate that the laminate product had no significant visible appearance changes after exposure to the chemicals reagent and that weight and depth changes are greater than width and length changes. Wstm on Figure 5. Specimens are by the agreement of those concerned and can include Tensile bars, disks, flex bars etc.
Possible aetm for the lower response of coupon a are the influence of BOD or a flaw in the test coupon cut from Plate Due to copyright restrictions, we are not able to provide copies of standards. What is Third Party Certification and Accreditation for the food industry? Base the selection of test conditions on the manner and duration of contact with reagents, the temperature of the system, applied stress, and other performance factors involved in the particular application.
Auditing Consulting Sourcing Training. The most typical physical strength properties evaluated are tensile strength aetm elongation. Variations in the stress-strain response of coupons after immersion in 0.
Work Item s – proposed revisions of this standard. Five percent Ammonium Hydroxide showed the greatest change 3. The most typical physical strength properties evaluated are tensile strength and elongation. Historical Version s – view previous versions of standard. Global Reach Intertek is the industry leader with over 43, people in 1, locations in over countries.
Sunday, March 15, astm d Standard reagents are specified to establish results on a comparable basis.
Chemical Compatibility ASTM D543
It was found that two and half rotations produced the desired strain and that the strain level remained constant over a seven-day period. Provisions are made for various exposure times, stress conditions, and exposure to reagents at elevated temperatures. Test results were compared with the water control of the immersed tests.
Need help or have a question? 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. If the material will only see short exposures or will be used in close proximity and reagent may splash or spill on the material, the wet patch method of applying reagent should be used.
ASTM D – 14 Standard Practices for Evaluating the Resistance of Plastics to Chemical Reagents
This 5d43 was discarded and was not used in the study. It should also be noted that two of the coupons 1 lb and c show much higher stress-strain response than a. ASTM D test for evaluating the resistance of laminate product in various chemical reagents were performed at the University of Waterloo.
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 axtm of resistance to chemical reagents.