(Product and Material Testing)
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Food service sanitation is a critically important issue to everyone: consumers, restaurants, delicatessens, grocery stores and food companies. Many studies have been done in this area and research... (View Full Article)
(Product and Material Testing)
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Texture can be regarded as an expression of the rheological properties of a food. Research has revealed that the three major components of food product acceptability are texture, flavour and... (View Full Article)
(Product and Material Testing)
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Quality control testing of any food product using texture analysis requires a consistent test method that has been empirically refined to suit the product of interest and the equipment available. An... (View Full Article)
(Product and Material Testing)
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The prepared food industry is a rapidly growing and very competitive market segment. Reliable, consistent product quality is key to the success of every company competing here. Establishing that high... (View Full Article)
(Product and Material Testing)
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The procedure for measuring tack of pressure sensitive adhesives is fully described in some ASTM methods. The definition for tack is the maximum force required to break contact from the adhesive... (View Full Article)
(Product and Material Testing)
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This is the second in a series of articles on gluten-free products. Most authorities agree that the gluten-free market is one of the fastest growing food group segments. While the texture properties,... (View Full Article)
(Product and Material Testing)
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Processors of powders are faced with two interesting problems that can be solved with physical test instruments. The first is the potential jamming of the powder in vertical discharge from a hopper... (View Full Article)
(Product and Material Testing)
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Tanks and vessels come in all shapes and sizes. Those used for processing powders have one inevitable issue for powders that are compressible. Core flow behavior is a given (See Figure 1) and the... (View Full Article)
(Industrial Maintenance)
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Tablet making machines can suddenly jam in the middle a high speed production run. What's the reason? One cause is the consolidation of the powder in the feed hopper which means that the cohesive... (View Full Article)
(Product and Material Testing)
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Powder and bulk solids manufacturers have always had an inherent problem. Once product is developed, it needs to be moved. Whether it is through a hopper or feeder system or merely transporting the... (View Full Article)
(Product and Material Testing)
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Granulated materials, like sugar and flour, comprise this group called "bulk solids" and can range in size from sub micron particles to large rocks and minerals. Unlike liquids which, under the... (View Full Article)
(Product and Material Testing)
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Brookfield Engineering Laboratories, Inc, the world leader in viscosity measurement and control, has helped a well know German artisan cheese manufacturer automate hot cheese measurement and... (View Full Article)
(Product and Material Testing)
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Food companies know that customers count on predictable consistency. Many of the new formulations for sauces, dressings, and fillings try to provide fat-free or egg-free products that pour and taste... (View Full Article)
(Product and Material Testing)
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Flavorings of every imaginable taste have taken over the chips market. (See Figure 1) Once upon a time, there was only salt and pepper. Now you see new flavors on the supermarket shelf almost every... (View Full Article)
(Product and Material Testing)
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Material handling procedures in most food companies utilize pass/fail tests to accept incoming product from suppliers. Viscosity, or resistance to flow, is one of several parameters that may require... (View Full Article)
(Product and Material Testing)
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When it comes to viscosity testing and characterization, automotive paints and coatings have always posed a challenge. The numerous formulations and their complex structures do not lend themselves... (View Full Article)
(Product and Material Testing)
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Preventing discharge problems in vessels and containers requires a detailed understanding of your powder's flow characteristics. This article explains how a shear cell tester can simplify and speed... (View Full Article)
(Calibration Instruments, Standards and Reference Sources)
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The necessity of measuring paint viscosity is well known and there are several methods using a rotational viscometer, such as ASTM D2196, for accomplishing this. (See Figure 1) The objective is to... (View Full Article)
(Product and Material Testing)
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The most popular dosage form in the pharmaceutical industry is the compressed tablet. Fully two-thirds of all prescriptions are dispensed as a solid dosage form and half of these are compressed... (View Full Article)
(Product and Material Testing)
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Consumers judge pharmaceutical products to some extent on how the item feels to the touch. This property can be described by the term "Texture" which is considered to be a mix of related,... (View Full Article)
(Product and Material Testing)
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Bulk density of powders and bulk materials has always been one of the major factors to consider when characterizing flowability, stacking and storage. Many methods for measuring the bulk density can... (View Full Article)
(Product and Material Testing)
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How To Make a Perfect Mix . . . Mixing and blending are done daily for thousands, if not millions, of products all over the world. When is mixing complete? When are products thoroughly blended? For... (View Full Article)
(Product and Material Testing)
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A general observation is that many powders, which exhibit only a small amount of compressibility (perhaps 10% going from a loosely consolidated state to a consolidation pressure of 10 kPa), will... (View Full Article)
(Product and Material Testing)
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Dosing is that critical step in producing a consumer product where manufacturing wants things to go as smoothly as possible. Two issues that affect acceptance are volume of material in the dose and... (View Full Article)
(Product and Material Testing)
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Ketchup is sometimes described as "too thick" or too thin". The former relates either to the problem users have getting the ketchup out of the bottle or to spreading it once applied. The latter... (View Full Article)
(Product and Material Testing)
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Jams are popular food items with consumers and have a number of broad based applications, such as being spread onto breads, used as fillings in pies and pastries or as decorative coatings on... (View Full Article)
(Product and Material Testing)
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Formulating new products in the pharmaceutical world oftentimes requires working with small sample volumes. Therefore the viscosity measurement method requires an apparatus that can work effectively... (View Full Article)
(Product and Material Testing)
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Pharmaceutical manufacturers have plenty to worry about when producing formulated products consistently within spec. Focus on active ingredients demands the greatest attention because the major... (View Full Article)
(Product and Material Testing)
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Obtaining Tablet Powder Data for "Flowability" Tablet production depends on steady flow of powder from a feed hopper to the tablet machine. Hang ups are unwelcome because they interrupt production and... (View Full Article)
(Product and Material Testing)
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recurring problem that can plague manufacturers of powder based materials is the formation of clumps in the product after having been bagged and shipped to customers. One of the causes leading to the... (View Full Article)
(Product and Material Testing)
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This article examines the flow behavior of nutraceutical powders, the proper test method for defining their flow parameters, and the implementation of fast and accurate QC checks that ensure a smooth... (View Full Article)
(Product and Material Testing)
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What does packaging have to do with viscosity or texture analysis? R&D Managers worry about how customers perceive their food products. They measure viscosity to certify proper flow behavior for... (View Full Article)
(Product and Material Testing)
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The growth in packaging across many consumer markets has created the need for testing the integrity of packaging materials. Resistance to crushing and burst strength are examples of parameters that... (View Full Article)
(Product and Material Testing)
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Pharmaceutical powders are expensive in all aspects, from development to final product. The prohibitive costs involved with pharmaceutical powders translates to small sample sizes needed to define... (View Full Article)
(Product and Material Testing)
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Many bulk solids, such as powders or granular materials, experience extended time periods of static storage in bags or sacks of various shapes and sizes. The storage may take place on the production... (View Full Article)
(Product and Material Testing)
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Variability in raw ingredients and the need to produce various blends of finished product for different applications constitute the major challenge for processing plants. Flowability of the powders is... (View Full Article)
(Product and Material Testing)
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How do you bring consistency to QC testing? Pharmaceutical products that meet manufacturability criteria and provide high level consumer satisfaction undergo a battery of tests before being... (View Full Article)
(Product and Material Testing)
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Production operations run smoothly when liquid dosing works according to plan. This means that the mixing process blends the formulation in correct proportion and the fill process executes with... (View Full Article)
(Engineering Services)
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Stop operations! Shut down on line 2! Whatever is wrong needs fixing right away before any more products get processed! This type of situation happens every day and comes about for a variety of... (View Full Article)
(Product and Material Testing)
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Characterizing any material for flow behavior involves testing it over a range of shear rates relevant to how it is processed in manufacturing or how it is used by the consumer. Ointments, for... (View Full Article)
(Product and Material Testing)
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Food and beverage manufacturers run viscosity tests on all kinds of products, ranging from relatively thin water-like juices and soft drinks, to sauces with variable flow behavior, thick creams and... (View Full Article)
(Product and Material Testing)
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Food manufacturers of powder-based products must consider both weight and volume when packaging their goods. Use of a weight measurement ensures that each package provides the guaranteed portion due... (View Full Article)
(Product and Material Testing)
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Have you ever experienced the hassle of taking a newly purchased ointment out of the box, opening the cap, puncturing the seal, ..... and the stuff just won't come out? Or the opposite situation where... (View Full Article)
(Product and Material Testing)
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There are many traditional measurement methods for characterizing the "flowability" of powders: angle of repose, flow cup, tap test. Practitioners know that the information may not be useful some of... (View Full Article)
(Product and Material Testing)
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Maintaining capsule integrity is an important requirement for established pharmaceutical manufacturers who want happy customers. Ensuring delivery of capsules and tablets to the recipient in tact and... (View Full Article)
(Product and Material Testing)
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Material flow behavior may include the phenomenon called "creep" which applies to various liquids and semi-solids, like gels and lotions that continue to move slightly even after placement on the... (View Full Article)
(Product and Material Testing)
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The Brookfield YR-1 Rheometer is an affordable instrument that uses vane technology to determine the yield stress of viscoelastic materials. The Brookfield torque response is based on the degree of a... (View Full Article)