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What is permeation?

2022-02-14 09:43   Automobiles   Barddhamān   114 views Reference: 678

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What does a permeation analyzer measure?

Permeation Analyzers measure the gas or vapor molecules that transmit through the barriers under controlled conditions. This data gives you the ability to understand if your barrier or film will protect your product for a specific application. Better barriers have lower transmission rates providing better protection. We offer oxygen, carbon dioxide, and water vapor permeation analyzers. The permeation analyzers can measure gas permeability for products in a wide variety of industries and applications. Permeation analyzers can be used to test films, trays, bottles, pouches, cups, pods, caps, containers, blister packs, electronics and more. Our analyzers can test a variety of materials including polymer films, coated paper and paperboard, cartons, coated films and laminations, foils, multi-l


Evaporated Residues Tester can test the dissolving-out amount of test sample soaked in specified liquid. Applicable to tableware, food containers, packaging films, bags, cap sealing rubber pad, painted coating for inner wall of cans or tins, plant fiber container and so on made from polyethylene, polystyrene, polypropylene, perchloroethylene resin, epoxy novolac, etc.; also applicable for some chemical reagents.


Electronic Tensile Testers are specially designed considering tensile testing requirements for flexible materials that are commonly used in product packaging to study different properties of materials.

This instrument utilizes the latest embedded control system and operating software, with user-friendly operating interface and intelligent data management system.

The tensile testing equipment can be used to perform a different types of tests like traction, stripping, sealing, tear, compression, bending, and cutting strength of plastic film, composite film, plastic tapes, soft packaging material, rubber sheets, paper, non-woven fabrics and other packaging materials, widely used in industries related to production of plastic films, packaging, pharmaceuticals, food, inspection agency, research institutes etc. to study properties of materials and finished products.


The Coefficient of Friction Tester is the testing equipment that is used to measure the cofficient friction of materials. There are basically two different kinds of frictions available for packaging testing. The plastic sheets, papers, films, etc. are some materials that will be used to determine its coficient friction. If you are searching for reliable and affordable lab testing equipment then we recommend you to purchase it from Presto Group. This testing machine is effective to determine the coefficient friction.

Pendulum Impact Tester is a high strain-rate test to determine the amount of energy absorbed by a material during fracture. The Impact tester involves a pendulum of known mass and length which is dropped from a known height to strike an Impact Specimen. Impact specimens are of standard or subsidized dimensions that can be found in a variety of industry standards including ASTM E23, ASTM A370, EN 10045-1 and ISO 148. Various strikers and specimen vises are available to suit all requirements of Charpy or Izod Testing. Specimens are notched using a broaching machine to specific dimensions and geometries. The energy transferred to the material after impact can be inferred by comparing the change in height of the hammer before and after striking the specimen.


Origin and Invention

Heating Shrink as it is known today can be traced back to the early post- World War II era. Scientists started to take notice of the effect of radiation on a variety of materials, including polymers, as nuclear energy programs sprang up in the United States and elsewhere during this time.

In the 1950s, one of these scientists was Paul Cook working out of Stanford University. He was especially interested in the effects of ionizing radiation upon plastics. Cook and some others found after being exposed to radiation, that some plastics took on a heat shrinkable quality.

Cook soon commercialized his discovery by starting his own company (later to become Raychem). Whilst other researchers soon followed his invention, he is largely given credit for bringing heat shrinkable materials to a commercial market. Heat shrinkable tubings and wrapping were available to the public by the early 1960s. Numerous innovations and variations on heat shrinkable products have resulted in continuous growth in this industry ever since.


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