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Why HDPE & PET Plastic Bottles Are So Popular

hdpe vs pet

Why HDPE & PET Plastic Bottles Are So Popular

Thousands of plastic bottles pass through consumers’ hands each day, but rarely does anyone give a second thought to the actual plastic material such as HDPE vs PET. It’s just something to hold a product in, until it fails. Maybe the lid doesn’t stay on or the plastic bottle cracks. All of a sudden, there’s a problem and the reality hits. Quality storage containers make a difference. 

Safety of HDPE vs PET

Bottles made from poor quality plastics are not durable or safe. Medicines improperly stored are a danger to children and pets. Faulty child-proof caps can allow children to access medications, causing overdoses. Each year, more than 34,000 children are sent to the emergency room after ingesting medication. Over 9,000 of them are hospitalized. 

Some plastics are unsafe and cause toxins to leach into the product. Foods and liquids stored improperly can absorb the toxins, especially when heated or stored over a long period of time. The importance of using the right food grade plastic cannot be underestimated. HDPE plastic is currently considered a low-hazard plastic with a low risk of leaching. PET plastic is approved as safe for food and beverage contact by the FDA and other regulatory agencies throughout the world, and has been for more than 30 years.

PET Plastic Containers

PET Clear Plastic Bottle
                             PET Clear Plastic Bottle

Polyethylene terephthalate, more commonly known as PET or PETE plastic or polyester. This plastic is clear and strong but lightweight. It’s commonly used for drink bottles, salad dressings, shampoo bottles, peanut butter, milk jugs, cooking oils, and food storage. Thirty years of testing has proven this plastic to be safe for contact with food packaging, drinks, and pharmaceuticals. Because it is resistant to micro-organisms and will not react to foods or biodegrade, and is 100% recyclable, PET is one of the most popular plastics to use. In fact, PET plastic is the most recycled plastic in the U.S and worldwide. The FDA and other world-wide health organizations recognize PET’s safety. It does not contain bisphenol-A (BPA) or phthalate.

PET bottles can be easily decorated and molded into a wide variety of shapes and sizes. Their high clarity allows for good product visibility and they are easily colored to complement a brand and label. When you’re looking for protection of products such as pharmaceuticals or nutraceuticals, amber colored bottles offer high resistance to UV rays.

HDPE Plastic Containers

HDPE White Plastic Bottle
          HDPE White Plastic Bottle

High-density polyethylene, or HDPE, is widely used in both rigid and flexible products. Its versatility allows it to be used for everything from hard hats to storage containers to bags. Lightweight yet strong and impact-resistant, this plastic has replaced many metals and wood for playground equipment, decks, and car parts, yet remains highly recyclable. It is FDA-approved and safe for food, liquids, and pharmaceuticals, and does not contain BPA or phthalate.

An important property of HDPE plastic is the ability to withstand cold temperatures. HDPE plastic can endure long-term temperatures of up to -100 degrees Fahrenheit. This allows products such as food and beverages to be frozen for later use. It also has the ability to withstand temperatures between 212 and -220 degrees Fahrenheit for short periods of time, making it sometimes suitable for autoclave sterilization.

What’s The Difference? HDPE vs PET

People often ask the fundamental differences between HDPE vs PET plastic bottles. PET plastic is clear and glass-like while HDPE plastic is more opaque and flexible. Both are safe and are great options for consumables. HDPE bottles provide good stress crack resistance and impact strength along with a uniform wall thickness for better labeling and appearance. PET plastic containers are manufactured using a two-stage injection blow molding process. Clear PET bottles provide a great alcohol, solvent and moisture barrier.

Why Use Plastic? HDPE vs PET

Plastic is durable and lightweight, making it ideal for storage and more economical for transporting. Drug interactions and leaching can be an issue with certain medications and supplements, but in the battle between HDPE vs PET, both plastics are safe and are commonly used. The white bottles give further protection by blocking light. 

Silver Spur Bottles & Closures

Silver Spur was founded in California in 1978 and quickly became well-known for their glass amber bottles. The business grew and now carries a large variety of glass and plastic containers. Along with the amber, they also offer cobalt blue, flint, green, and frosted glass bottles.

The PET and HDPE plastic, wide-mouthed bottles can be ordered in white or clear and come in a variety of sizes. The PET plastic also comes in amber. These round bottles are perfect for pharmaceuticals and nutraceuticals and are ISO 9001, ISO 14001, OHSAS 18001 certified.

Quality caps are also important to mention. Safety is a top concern and the integrity of the product and safety of the consumer is vital. A nice selection of plastic fine rib closures are available as heat sealed or pressure sealed. Also in stock are plastic child-proof caps that come in a variety of convenient sizes.

With years of experience, a large selection of products, and a commitment to great customer service, Silver Spur Corporation will be able to assist with any packaging need. Please contact us with any questions about our available products and how we can best serve you.

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The History of Boston Round Bottles

Boston Round bottles

Shop Boston Rounds

The History of Boston Round Bottles

Everybody talks about the discovery of fire and the invention of the wheel as humankind’s greatest achievements. But there’s another achievement that has an ancient history and a transformative effect on our way of life. The humble Boston Round glass bottle.

Bottles are so commonplace now that it’s hard to imagine them not existing. Our dive into the history of the glass Boston Round bottle needs to begin with how bottles came about in the first place.

When you start to think about everyday items in your home and workplace, you’ll find that you might know little about their histories. Objects we take for granted haven’t been around forever. Yet each one makes our lives easier.

If you’re intrigued about the history of glass bottles and the Boston Round bottles, keep reading to see what we’ve uncovered.

A Leap into the History of Glass Bottles

Before glass bottles, our ancestors made water containers from animal hides and gourds.

The first known invention of glass bottles was in ancient Egypt over 3000 years ago. The Egyptians made rudimentary glass bottles at first. They created a paste made from the natural substance silica and coated it in molten glass.

Glass itself was invented two thousand years prior. It wasn’t until glass blowing techniques came about in the 1st century BC that the material was used for many applications.

As glass jars and bottles are durable and useful, they were made in increasing quantities as the centuries passed. Glass bottles were made on a mass scale with the invention of automatic glass blowing technology in the late 19th century.

When Was the Boston Round Glass Bottle Invented?

Whether you recognize the name or not, you’ll recognize the bottle. The Boston Round bottle is commonplace, particularly in drug dispensaries and pharmaceutical companies. In fact, you might well have a few in your bathroom cabinet.

When glass bottles became easier to make in the 19th and 20th centuries, production shot up. They were particularly popular in the medicinal industry as the ideal form of packaging because glass is airtight and keeps odors out (or in). The ability to create dark-colored glass such as amber was also beneficial, as it prevents UV rays from degrading light-sensitive products inside.

Boston Round glass bottles could potentially have been designed to store liquids over solids as they have a narrow neck. This narrow diameter would’ve helped prevent any evaporation around the original cork stopper, something a solid, like a tablet, wouldn’t suffer from.

There are no records to describe when the Boston Round bottle came about. This is possibly because many glass bottle suppliers existed in the late 1800s and 1900s, each offering similar bottles.

Where Did Boston Round Bottles Get Their Name?

When glass bottle manufacturing took off in the pharmaceutical industry, bottles were commonly described by their shape. Bottles containing beverages, particularly carbonated drinks, were often round. This is because a round bottle has much more inherent strength than one of any other shape.

The likelihood is that Boston Round bottles have “round” in the name purely as a shape descriptor.

So why are they named “Boston”?

Strangely enough, they were also referred to as a Winchester bottle, particularly in the UK. Named Winchester Quart bottles, they were commonplace in 1860 at least when the Pharmaceutical Journal Part Two was published. The journal states, “…a Winchester quart bottle, which every druggist has in his store-room…”

It was named Winchester, not for the English city but after a measure at the time called a “Winchester”.

There’s no indication of why Winchester Quart bottles are also known as Boston Round bottles, but they were a common bottle at the turn of the 20th century and manufactured by many glassmakers.

What Are Boston Round Bottles Made From?

Traditional Boston Round bottles were made of glass, often brown-colored glass. This was most likely to protect its content from light. This is why you typically see an amber Boston Round bottle as opposed to a clear glass bottle. You can also choose from a cobalt blue or a green soda lime glass color.

The Boston Round glass bottle type has never gone out of fashion though thanks to its useful shape and these days it can be made out of glass or plastic. Glass is durable, easy to sterilize and 100% recyclable, making it an ideal material for storing a range of medicinal compounds.

Plastic has the benefit of being lightweight and still strong. The Boston Round also features a threaded neck for a screw cap. These became common from 1930 onwards and took over from corks and glass stoppers as the most useful sealing method.

Why Are They So Popular?

Whether you call them Boston Rounds, Winchester Bottles or Winchester Quarts, the bottle shape has seen enduring popularity for over a hundred years. The rounded shoulder is useful for solids and creams as angled shoulders can cause the contents to get stuck. The narrow neck is traditionally beneficial for liquids, preventing evaporation and making it easier to pour accurately. As they’re round, they’re also exceptionally strong and more comfortable to handle.

Of all the glass bottle shapes, it seems that this was the optimal design. You can use them with many different types of tops as well. We’ve even optimized the caps to the bottles to include liquid droppers, lotion pumps, spray tops, as well as the standard screw-on black cap.

These days, you can buy Boston Round bottles in a wide variety of colors. From clear glass to amber, cobalt blue, and green, both colored plastic and glass bottles are available to suit your needs. The amber color can protect your contents from the sun, whereas the clear Boston Round bottles allows for maximum visibility of the contents in your bottle. Clear Boston Round bottles are perfect for liquids that you want to display such as colorful herbal supplements.

Boston Round Bottles Are Popular As Ever

The history of pharmaceutical equipment is fascinating and often overlooked. Boston Round bottles are such a popular shape that we all have instances of them around our homes. These glass bottles have been used for packaging for many years and are tried and true.

Useful for everything from essential oils to medicines to CBD’s and creams, we can’t see the Boston Round falling out of favor.

If you’re looking for Boston Round bottles, check out our selection. When you start using your new Boston Round bottles, you know you’ll be using a little piece of history.