Black-colored plastic used for kitchen utensils and toys linked to ...
2024年10月1日 · Black-colored plastic used in children’s toys, takeout containers, kitchen utensils and grocery meat and produce trays may contain alarming levels of toxic flame retardants that may be leaching...
5 High Tensile Strength Plastics: PAI, Ultem, PEEK, PPS, & Nylon
The ultimate high tensile strength plastic is PAI (polyamideimide), with an impressive tensile strength of 21,000 psi. This high performance plastic has good wear and radiation resistance, inherently low flammability and smoke emission, and high thermal stability.
Testing Tensile Strength of Plastics: ASTM D638 Standard
The commonly known standard for the tensile properties of plastics can be said to be ASTM D638. This standard documents a straightforward procedure for performing tensile tests on reinforced and unreinforced plastics.
Tensile Property Testing of Plastics - MatWeb
Tensile property tests for plastics are illustrated and give average values of ultimate tensile strength, elongation, and tensile modulus for common polymers such as nylon, polyethylene, polypropylene, and acrylic are reported.
The Mechanical Properties of Plastics - Quality Magazine
2019年12月9日 · Mechanical properties describe the material’s reaction to an applied force, such as tension, compression, and impact. By Kayla Thackeray. The most common type of specimen for testing plastics in tension is commonly referred to as a dogbone because of its tabbed ends and reduced cross sectional area. December 9, 2019.
Objectives: Students will be able to describe a physical behavior of a plastic material under tensile stress in terms of the molecular behavior of the polymer chains.
THE PERFORMANCE OF A PLASTIC PART IS AFFECTED BY: • What kind of load the part will see (tensile, impact, fatigue, etc.) • How large the load is • How long or often that load will be applied • How high and/or low a temperature the part will see • How long it …
Compressive Strength of Plastics | The Ultimate Guide
2023年10月12日 · Plastic compressive strength refers to the ability of plastic material to withstand compressive forces before it deforms or breaks. It is measured in stress units (such as pounds per square inch) and depends on the type and quality of the plastic. That is contrary to tensile strength resisting loads leading to elongation.
Existing methods for determining the surface tension of liquids. Wilhelmy’s method, in which one dips a thin plate or ring in the liquid and measures the capillary force acting on the plate. p is the perimeter of the plate =2(length + width) θ pγ cos( θ )
Visualizing stress in plastics - ScienceDaily
2021年7月9日 · The current research now enables to differentiate between stresses of different magnitude. This adds up great advantages whenever it is important to map stress distributions in macroscopic...