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The difference between plastic and glass bottles for cosmetics

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The difference between plastic and glass bottles for cosmetics

Cosmetic glass bottles:

Glass bottles for the traditional packaging products, its characteristics are: bright and transparent, good chemical stability, air tight, easy to shape, but the weight is large, easy to break. 80%-90% of glass packaging containers are glass bottles, cans. The density of sodium calcium glass bottles is 2.5-2.6g/cm3, with high brittleness and low thermal conductivity. Using metal ion colorant can be made into emerald green, dark green, light cyan, amber glass. The advantages of glass packaging containers :

(1) good chemical stability, non-toxic and tasteless, clean, without any adverse effects on packaging; 

(2) good barrier, can provide good quality conditions; 

(3) good transparency, contents clearly visible;

(4) good rigidity, not easy to deformation; 

(5) Good molding, can be processed into a variety of shapes;

(6) Good temperature tolerance, high temperature sterilization, also can be stored at low temperature; 

(7) Rich raw materials, recyclable and reusable, no pollution to the environment. 


Disadvantages of glass packaging containers;

(1) brittle, easy to break; 

(2) Large weight, high transportation cost; 

(3) Large energy consumption during processing, serious environmental pollution; 

(4) Poor printing performance.


Cosmetic plastic bottle:

Plastic is a polymer synthetic material, more types, the advantages are :

(1) good mechanical properties, light weight, convenient storage and transportation, easy to carry and use; 

(2) Permeability resistance, good sealing, high transparency; 

(3) Good processing performance, can be manufactured into a variety of sizes of bottles, caps, films, bags and composite packaging materials;

(4) Good decorative coloring and printing performance. Drug labels, instructions, labels, bar codes can be directly ink-jet or printed on plastic materials, and will not come off; 

(5) Good chemical stability, weak toxicity, health and safety. 


The cover of medicine can be made into insurance cover or pressure cover, as well as anti-counterfeiting mark and so on. The disadvantage of plastic packaging container is that it is easy to take static electricity, the surface is easy to pollute, discarded objects will cause environmental pollution, and recycling is difficult.


In fact, there is no absolute good or bad packaging material only points, different products according to the brand, cost and other factors to choose the packaging material is the first consideration, only appropriate is the starting point of all choices. So how to judge whether there should be plastic bottle or glass bottle according to the current product? Then share some differences between the two and their advantages and disadvantages below.



Advantages of plastic bottles

Compared with glass products, plastic bottles have low density, light weight, adjustable transparency and are not easy to break. Plastic bottles have better corrosion resistance, acid and alkali resistance, impact resistance, and has higher mechanical strength, easy to shape, low production loss. Plastic products are easy to color, can be deployed according to the need for color, easy to achieve packaging design requirements, the most important is that plastic bottles relative to glass bottles, the cost will be relatively low.


Disadvantages of plastic bottles

Plastic bottle shortcomings are also more obvious, not environmental protection is people's first impression, plastic material is easy to produce chemical reaction with cosmetics, easy to cause cosmetics deterioration, the overall look relatively cheap, not suitable for high-end route.



Advantages of glass bottles

1. The composition of glass is relatively stable, and it is not easy to produce chemical reaction with skin care products. Generally speaking, is to use glass bottles in skin care products, not easy to deteriorate

2. Glass bottles have a high sense of beauty. The main marketing concepts of skin care products are appearance level and effect. Transparent glass bottles often convey a high sense of beauty to consumers, and some transparent or colorful skin care products are very good-looking

3. Glass bottles weigh more, hold more weight and feel more interesting.

Glass bottles are more convenient and thorough to disinfect than plastic. Plastic bottles, packaging material disinfection is the simplest, the most thorough method is to wash, and then high temperature baking disinfection. Glass bottles can be washed and baked well because glass can withstand high temperatures.


Glass bottle defects

Glass is more expensive than plastic, so it costs more to put skin care products in glass bottles. Glass bottles are easy to be broken accidentally, and all the skin care products inside will be scrapped, which is too easy to waste. Glass bottles are fixed in shape, large and heavy, and not easy to carry when going out.





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Guangzhou BaoMo Cosmetics Packaging Co., Ltd.  also known as Guangzhou BaoMo Crystal Glass Co.,ltd, is a professional glass bottle manufacturer. The company has passed the ISO9001 system certification, and the glass bottles have passed the MSDS and SGS certifications. 

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