Astm D61821 Pdf
If you need to know the specific testing apparatus required, or if you have questions about how to interpret the results of this test, let me know! ASTM International
: After a set number of flexes, the leather is checked for signs of damage like tiny cracks or finish separation. Variations
): This shorthand explicitly tells the laboratory technician to condition the plastic for 24 hours at 180∘C180 raised to the composed with power C
If you are 100% certain that "D61821" is correct, it is possible you are referencing an internal company standard, a withdrawn historical document, or a mis-labeled spec sheet from a supplier. In this case, contact ASTM Customer Service directly at +1.877.909.ASTM. astm d61821 pdf
: Any type of finished leather (e.g., upholstery, footwear). What it Excludes : It specifically does
Plastics are viscoelastic materials. Their physical behavior is a mix of elastic solid characteristics and viscous fluid traits. This structural sensitivity means their properties are fundamentally altered by two primary environmental variables:
Delicate plastic casings and internal structural ribs are evaluated after conditioning to ensure they will not deform or lose impact resistance during global shipping. If you need to know the specific testing
Test new coatings or tanning processes.
using a precision die. Two pieces are usually tested: one parallel and one perpendicular to the backbone. Conditioning Procedures
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Note: ASTM D61821 is not a standard designation within the active ASTM International cannon. Based on user search patterns and typographical analysis, this article addresses both the potential confusion with (Standard Practice for Conditioning Plastics for Testing) and the structure of obtaining any ASTM standard in PDF format. A specific section addresses how to handle non-existent or mis-typed standards.
D6182 Standard Test Method for Flexibility and Adhesion of Finish on Leather. iTeh Standards In this case, contact ASTM Customer Service directly at +1
: Standard Test Method for Flexibility and Adhesion of Finish on Leather. : To measure a leather finish's resistance to delamination (peeling), and discoloration when flexed. What it Covers
The standard identifies several specific procedures based on the required environment:
