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Raw Material Introduction in Granite Composite Sink-PMMA

Raw Material Introduction in Granite Composite Sink-PMMA

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As we already know, two primary raw materials are used in the making of granite composite sinks. These two materials are quartz sand and acrylic resin. 

The quality of these two materials shapes the overall quality of the sink. 

This article tells you more about the best acrylic resin you can use: The PMMA.

Let’s get right to it!

What’re The Best Resins For Making A Granite Composite Sink?

The content of the resins in a sink is only around 20%. Even after this small percentage, it is the essential element of a good quality granite composite sink.

Have you noticed some newly-bought sinks turn white even though they are only used for a short time? This happens because of the use of poor-quality resin.

The best resin you can use is acrylic resins. They’re also called PMMA.

We use PMMA in the making of high-end imported artificial stone plates and imported sinks. 

These resins have excellent compatibility, weather resistance, and high mechanical properties. Another essential feature of acrylic resin is that it is internationally recognized as a food-grade material. It is specially used to make dentures. You can rest easy that the safety of your food is intact at all times.

In Europe, America, Japan, and many other countries, PMMA is used to make tableware. It truly is the best material there is for the production of granite composite sinks.

What Is PMMA?

The full form of PMMA is Poly(methyl methacrylate). It is also known by several other names: acrylic resins and Plexiglas. PMMA is a food-grade material, and it is also used in the making of artificial teeth. 

The outstanding compatibility of PMMA with the human body is what has earned it the name of ‘bone cement.’ 

It can be used as a less heavy and stronger alternative to glass. It can actually be used in a lot of places like windows, walls, and aquariums. This use of PMMA makes it hard to process that the same material is used in bone implants and dentures.

Acrylic Resin

What Are The Benefits Of PMMA?

The compatibility of PMMA with the human body can be attributed to certain features of the material. These include a resistance to several different things. These things are temperature stress, human tissue, chemical reactions, and different bioprocesses.

PMMA can be used to reduce the gaps between bones and bone implants. The material is exceptional for this procedure because it is very simple to use in a hospital environment. 

It also has the following advantages

● It has incredible resistance to weathering and also to UV radiations which are given out by the sun. This makes it very durable and last long.

● It is transparent, which makes it very easy to paint and style.

● It is a rigid material when it is modified.

● It offers outstanding rigidity.

● It is dimensionally stable.

● It has good abrasion resistance, and the PMMA surface is usually scratch-resistant.

What Is The Role That Resin Plays In Granite Composite Sinks?

Granite composite sinks use resins to keep the material together. It is used as the binding agent for the sink. The resin helps build the strength of the material as well. The product develops a high crack resistance because of the presence of resin. 

In addition to a higher crack resistance, granite composite sinks also have a different particular shape. Some of the sinks also have curved edges, which would add to the style of your kitchen.

The acrylic resin makes the granite composite sink unexpectedly durable. It shows an excellent chipping resistance. You won’t have to worry about your knife chipping the surface of the sink anymore.

When the acrylic resin is used as the binding agent, it makes the granite composite sink’s surface non-porous. The risk of bacteria, slime, and food stains becomes minimal if an acrylic resin in the sink’s composition gives the sink a clean and neat look.

That is to say; it also keeps your dishes safe and hygienic. The acrylic resin adds to the properties of the sink immensely in this way.

Moreover, this sink also offers effortless maintenance. You won’t have to worry about spill stains and food stains if you own a granite composite sink. It is a great fix if you’re looking for something that looks and performs equally well.



    The granite composite sinks made of PMMA have bright colors, good weather resistance, and scratch resistance. Moreover, the tight surface of the sink will never cause coloring or whitening. 

    However, these sinks are not made on a vast scale. This is because manufacturing requires high expertise and also has a high cost attached to it. For this reason, only a few manufacturers in the world use this material for the production of their granite composite sinks.

    Chica Dragon is one of those few manufacturers.

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