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Thick Plexiglass Sheets

Thick plexiglass sheets refer to acrylic sheets that have a substantial thickness. Plexiglass, also known as acrylic, is available in various thicknesses, ranging from very thin to thicker panels.

When referring to "thick" plexiglass sheets, it typically means acrylic sheets that have a larger thickness, generally used for applications that require extra durability or structural strength. The exact thickness can vary, but it generally starts from around 0.25 inches (6.35 mm) and can go up to several inches.

Thick plexiglass sheets are commonly utilized in applications such as windows, protective barriers, aquariums, skylights, industrial equipment, and displays that require a sturdy and impact-resistant material. The increased thickness provides added strength and rigidity, making it suitable for projects that demand a robust and long-lasting solution.

It's worth noting that the specific thicknesses available for plexiglass sheets may vary depending on the manufacturer and supplier.
  • acrylic aquarium, acrylic fish tank

  • 1pcs

  • clear, transparent

  • 1220mm*2440mm, 300*500mm, 900*1600mm and customized

  • 10mm, 15mm, 20mm, 25mm, 30mm, 40mm, 50mm, 60mm, 80mm, 100mm, 120mm, 150mm, 200mm, 250mm, 300mm

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Why thick plexiglass sheets ?

Cast acrylic sheets made of Plexiglass are a highly durable and cost-effective alternative to glass. They are 17 times stronger than glass and can be easily machined and thermoformed while maintaining transparency.

Acrylic aquariums have increasingly become popular in the past 20 years, and are now commonly found in various locations such as homes, offices, restaurants, and hotels. Large scale aquarium projects have also significantly increased in the US and worldwide during this time. The versatility of acrylic sheet allows for basic to stunning tank designs and enables engineers and designers to create amazing structures. Jiangsu Selexible Plastic offers a wide variety of clear and colored acrylic sheets in various thicknesses and sizes, allowing you to design an aquarium that is not only visually appealing but also suits your needs.

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Acrylic vs Glass Aquarium

Acrylic and glass are both popular materials used to build aquariums. Each material has its own advantages and disadvantages, and the choice between them depends on several factors.

Acrylic aquariums are generally lighter and more impact-resistant than glass aquariums. They are also more flexible, which means they can be shaped into different designs, and they have better insulation properties, which can reduce heating costs. However, acrylic is also more prone to scratching and can discolor over time if exposed to direct sunlight.

Glass aquariums are more scratch-resistant and are generally clearer than acrylic. They are also less expensivethan acrylic and are less likely to yellow or discolor over time. However, glass is also more brittle than acrylic and can break or crack if dropped or exposed to sudden impact.

When choosing between acrylic and glass, consider your budget, the size and shape of the aquarium you want, and the types of fish and plants you plan to keep. If you want a large or unusual-shaped aquarium, acrylic may be the better choice. If you want a clear and scratch-resistant tank and don't mind the weight, glass may be the better option. Ultimately, both materials can be used to build a beautiful and functional aquarium, and the choice comes down to personal preference and specific needs.

Why choose us for thick acrylic sheets ?

Jiangsu Selexible Plastic not only produces exceptionally high-quality large acrylic blocks but also expertly bonds them together to form viewing panels of remarkable size, strength, and clarity. These mega-panels are used in aquariums to create awe-inspiring visitor experiences.

Despite their massive weight, ranging from tens to hundreds of tonnes, we transport these enormous panels around the globe and install them with precision, measured in millimetres. Our waterproofing techniques are designed to withstand the test of time.

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We offer thick perspex sheet cut to size

Acrylic is the perfect material for aquariums and fish tanks due to its durability, waterproof properties, and crystal clear transparency, allowing you to enjoy observing your fish. Unlike glass, acrylic can be seamlessly bonded together, ensuring no potential leaks. With the right tools and knowledge, building aquariums and fish tanks with acrylic is easy. You can either cut acrylic sheets to size yourself or order pre-cut sheets from Jiangsu Selexible Plastic by providing the desired dimensions.

How to make the aquarium and fish tanks with our thick plexiglass sheets at home?

The design of your fish tank can vary based on your skills, available tools, and creativity. You can opt for a basic rectangular shape or add some decorative touches by rounding off the edges. In this guide, we will focus on the process of creating a simple box-shaped tank, as creating rounded edges requires more advanced skills and tools.

Step One – Dimensions

To start, determine the size of your desired aquarium by taking into account the number and size of the fish you plan to keep, as well as the available space in the room. For larger tanks, it may be worth considering the cost of a filtration system.

Step Two – Cutting Acrylic

If you have chosen to trim your acrylic sheets to fit on your own, it is important to accurately indicate where the cuts will be made. It is recommended that you keep the protective film on the sheets until just before cutting and use a marker to directly mark the film. In case the protective film is not present, you can use masking tape to indicate the cutting lines.

Step Three – Smooth the Edges

Before joining two acrylic sheets together, it is crucial to ensure that the conditions are ideal. The two edges that will be bonded must be perfectly flat, smooth, and precisely the same size. To achieve this, you can use a sanding block and begin with 120 grit paper, gradually moving up to 400 grit. It's important to note that rounded edges will not allow the two sheets to bond properly, so it's essential to make sure that the edges are flat.

Step Four – Using Acrylic Glue

If you plan to use acrylic for building aquariums or fish tanks, we recommend using a bonding method called 'Capillary Cementing'. It is crucial to ensure that both sheets fit together precisely to avoid any issues with the bonding process.


When joining two sheets side by side, use an applicator with a narrow nozzle to apply acrylic cement on both edges and hold them together tightly with a clamp.


If you are bonding two sheets to create a right angle, apply the cement along the inside length of the joint and clamp the sheets together firmly.


Allow the acrylic cement to dry for a minimum of 48 hours, and once it becomes transparent, you will know that it is fully dry. For more detailed information on how to bond acrylic edges with acrylic cement, please visit our blog page.

Step Five – Piecing Acrylic Sheets Together

It is important to handle the assembly of your fish tank with care. The more time you spend preparing your acrylic sheets for bonding, the lower the likelihood of having to rework them. Depending on your aquarium building approach, you may only need to attach the four side panels to the base. Regardless, ensure that you bond each sheet that meets with the others using acrylic cement.

Step Six – Testing

After the acrylic cement has dried, it is recommended that you inspect your newly built fish tank to ensure that it is suitable for its intended purpose. Filling the aquarium with water and leaving it for a few days to a week is a good way to test your workmanship. If there are no leaks by the end of this period, it means that everything has gone according to plan.


In the event that you do encounter a problem, the severity will determine the necessary course of action. Sometimes, applying more cement will solve the issue, while in other cases, it may be necessary to replace the entire sheet.

Step Seven – Finishing Touches.

After ensuring that you are satisfied with your tank, you can proceed to apply the finishing touches and give it a thorough cleaning. Acrylic is effortless to maintain, and a damp cloth should suffice. Avoid using alcohol-based cleaners as they can significantly weaken the material. Additionally, you may choose to polish and smoothen the top edges of the tank. This can be achieved in the same manner as step 3, although there are other techniques that allow for a more comprehensive finish.

Packaging and shipping of thick acrylic sheets

* Export standard package or as clients' request to pack(usually in wooden or plastic pallets)

* We can deliver the goods to port to to door(customer's address) through sea shipping, air shipping or express.

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