Original Source : https://laboratoryquipment.blogspot.com/2020/01/what-is-difference-between-polystyrene.html

Before going through its definition let's have a quick look book over its meaning in the shortcut so that it becomes easy for you to understand the definition.

Polystyrene is environmentally friendly because it can be recycled or reused. Although polystyrene gives you some resistance to acids and bases, it is not as resistant in contrast to some chemicals as polypropylene.

What do you know about polystyrene (ps) Storage Cabinet?

Polystyrene is created out of the monomer styrene. It is an aromatic polymer. Its long hydrocarbon chain has a phenyl chain combined carbon atom in polystyrene.

According to the pattern in which the phenyl groups (pendant groups) combine to the carbon chain, there are three types of the polymer: isotactic means all phenyl groups are on the same side of the chain, syndiotactic means the phenyl groups are in two sides in an alternating pattern and a tactic which means the phenyl groups attach in a random pattern.

Polystyrene is synthesized by free radical vinyl polymerization. Also, it has contained a hard and rigid material.

Polystyrene is propitious in manufacturing toys, kitchen apparatuses, disposable drinking vessels, packaging stuff, computer housing components and many more. The amazing thing is that we can recycle polystyrene; its s plastic highly in use all over the globe, get Economical Glove Boxes and it reduces the environmental harm due to the capability to recycle.

What do you know about Polypropylene (pp) Storage Cabinet?

Polypropylene which is also known as PP is also a plastic polymer. It has three carbons and one double bond between two of those carbon atoms. We can make this material from propylene gas in the attendance of a catalyst such as titanium chloride, which is Polypropylene Storage Cabinet. It is easy to produce and manufacture with high purity.

Polypropylene has important properties that it is light in weight, having high resistance to cracking, acids, organic, solvents, electrolytes at high melting point, it is non-toxic, has good dielectric properties with high economic value.

This material is useful for the production of pipes, containers, housewares, and packaging and automotive parts in the above-mentioned properties.

What is the difference between polystyrene (ps) and Polypropylene (pp) Storage Cabinet?

2. Both polystyrene and polypropylene are useful polymer materials which we use in our daily life as well.
4. The key difference between polystyrene and polypropylene is that the monomer of polystyrene is styrene while the monomer of polypropylene is propylene.
6. The pendant group of polystyrene is a phenyl group; on the other hand, the pendant group of polypropylene is a methyl group. These pendant groups decide the procedure of the polymer.
8. There is a difference between polystyrene and polypropylene in their production process.
9. We can develop polystyrene via free radical vinyl polymerization and polypropylene through chain-growth polymerization.
11. Polystyrene is beneficial in manufacturing toys, kitchen apparatuses, disposable drinking cans, packaging elements, computer housing sections. While on the other hand, polypropylene is useful for the production of pipes, containers, house ware, and packaging and automotive parts.

A glove box is a sealed container that is designed to allow one to manipulate objects where a separate atmosphere is desired. Built into the sides of the glove box are gloves arranged in such a way that the user can place their hands into the gloves and perform tasks inside the box without breaking containment. Part or the entire box is usually transparent to allow the user to see what is being manipulated. Two types of Laboratory Glove Boxes. The gas in a glove box is pumped through a series of treatment devices which remove solvents, water and oxygen from the gas. Heated copper metal (or some other finely divided metal) is commonly used to remove oxygen; this oxygen removing column is normally regenerated by passing a hydrogen or nitrogen mixture through it while it is heated: the water formed is passed out of the box with the excess hydrogen and nitrogen.

FUNCTIONS-

This phrasing is common for lower-end, bench-top glove box models with a purge-style release that do not typically include a gas management system. Rather, inert gas is constantly pumped into and purged from the enclosure to maintain low O₂ and H₂O levels. These are more common among less sensitive applications.

Older glove boxes often benefit from modern controls and a superior gas purification system that simply wasn’t available during initial production. At Inert, we welcome these opportunities to elevate our customers’ working potential. Our gas management systems, sensors, and other glove box parts can be outfitted to older glove box models, whether manufactured by us or not.

Similar to an application glove box, this is a Portable Glove Box that has been customized to fit a specific need, such as to integrate with original equipment manufacturer (OEM) tools.

Gloves are the human interface to the enclosure. The gloves allow someone to work inside the glove box from the other side of the glass, keeping both the process and person safe. Gloves are made in different sizes, and configured for ambidextrousness or a left/right-hand fit. To ensure process integrity and safety, different glove materials are used in design.

High-performance butyl gloves, like those standard on Inert glove boxes, are anti-static and resistant to chemicals, ultra-violet light, and ozone, as well as impervious to gas and liquids of most any kind. Butyl gloves are most common in microelectronics, wet chemistry, pharmaceutical production and medical device manufacturing. CSM (aka Hypalon) gloves are commonly used in the presence of high heat or oxidizing chemicals, used in some pharmaceutical and medical industries.

HEPA filters are used in glove boxes and much larger enclosures, like clean rooms, and need to be replaced periodically to ensure that they are working at maximum efficiency.

HMI panels are also designed to quickly alarm the operator, should anything ever go wrong. Inert uses color touch screen HMI panels with a programmable logic controller (PLC) by Siemens to provide easy glove box.

Source: https://globallabsupply.blogspot.com/2019/06/top-major-specification-of-laboratory.html

Glove boxes are the popular laboratory equipment and these are used for various applications. When it comes to buying the different laboratory equipment then you shouldn’t neglect the glove boxes. Well, these boxes come with ports and attached gloves. The users can wear these gloves in order to start working inside the boxes. With the use of these kinds of glove boxes, the hazardous materials can be handled easily. There are many other vital things that you need to know about the glove boxes before using them.

Glove boxes are available in the variations of different materials. You should check these types of materials and then you can choose the one on the basis of your needs or applications. You should always buy the right type of glove box for your laboratory otherwise you will have to face various issues.

Let’s check out the considerable things

You can see that some people prefer to buy the plastic laboratory glove boxes instead of the other variations. If you are also one of them then you should follow some important tips to make a right decision without wasting your valuable time. Well, some of these tips have been underlined.

Buying a glove box is not very easy so first of all, you should determine the application for which you are going to use the glove box. With the help of this, you can come to know the type of features that you will need in the glove box.

If you are considering only the price of a glove box while making purchases then it is not a right thing. You should also consider the cost of acquiring and maintaining this expensive laboratory equipment.

You may all know that the glove boxes are really expensive so you should also buy it from the supplier who is offering warranty or guarantee. If a standard model is suitable for your needs then it is good otherwise you can make small customizations.

You shouldn’t only consider your present needs for buying the glove boxes. Well, it is also good to get an idea about the future needs before investing your money to buy this expensive laboratory equipment.

If you are going to work with the hazardous materials in the future then you should find the glove box with good safety features. In addition to this, you can also check its other features before investing your money.

With the help of all these important tips, you can easily find the right glove box to cater your different needs.

Bottom lines

It is not only good to check the features of the glove boxes while making purchases. You should also try to gather information about the suppliers. With the help of this, you will automatically get the good quality laboratory equipment. If the suppliers are well reputed then you don’t need to worry about the quality of the laboratory equipment or warranty related issues.

Source: https://cleatech.blogspot.com/2019/06/how-to-choose-right-plastic-laboratory.html

Right after you buy a laboratory instrument, you must learn all about its maintenance so that you can maintain it at the best condition, reap the most out of it, and also use it through its highest possible life span. Here are the maintenance tips for vacuum glove boxes, which you will have to maintain while abiding by many strict rules and restrictions.

General tips to handle a vacuum gloves box

• Water or air should not enter the box.
• No solvents should be evacuated into the pump.
• The gloves must not be sucked into the box.
• The outer and inner antechamber doors must not be opened together.
• Sharp items must not be used as they can puncture the gloves.
• While locking the antechamber door, the locking device must lock without the exertion of much force. The door must not be made too tight or it will break. The door must not be left loose or the box would leak.
• If you have any doubt about the air or gas pressure in the antechamber, you must pump out before opening the door from inside.
• While handling sharps, solvents and powders, you must use nitrile gloves above the glove box gloves.
• Dispose off all used sharps in the container for sharp disposal.
• You must remove from the box all non-hazardous
• Used lithium must be sent to used lithium container where it’s not deemed hazardous. Once the used lithium box is full you must fill it up with mineral oil and mark it as hazardous and dispose it off.
• For un-used lithium closed containers which ae distinctly labelled must be used.
• Dirtied utensils must be cleaned.
• Solvents like acetonitrile must not be used inside the gloves box. They can react with lithium by destroying the catalyst.
• All assigned bins and samples must be properly labelled. The unlabeled items may get removed from the glove box common area, and may get disposed too.
• You must keep the work area inside the glove box clutter free and clean.

These are some of the general guidelines to be followed by any user of the gloves box in the cleanroom. Maintaining these things helps maintain the vacuum gloves box in its best health and working condition.

Finally

Maintenance is done in two ways. One way is how you maintain it by being particular with following the system, and knowing the general troubleshooting. This caters to the daily and day to day maintenance. Another is the quarterly or annual maintenance done by an expert. You can book such maintenance and check services so that your lab equipments stays in best condition and get checked for any problem at the earliest. For a gloves box also you must get such checking done periodically. And along with this, you must ensure all laboratory staff using the Laboratory Glove Box adheres to the general guidelines.

More tips are to be followed while fitting the gas cylinder to the gloves box, and for vacuum pumps, catalyst bed regeneration etc., which requires expertise in doing these things.

Source: https://cleatech.blogspot.com/2019/05/how-to-maintain-laboratory-vacuum-glove.html