Home / News / Differences between Plastic Bottles and Glass Bottles for Cosmetics


Cosmetic glass bottles:

Glass bottle is the traditional packing product. Its characteristics: bright and transparent, good chemical stability, air proof, easy to shape but heavy weight and break easily. 80%-90% glass packing vessel is glass bottles and jars. The density of sodium-calcium glass bottles is usually 2.5-2.6g CM3, with high brittleness and low thermal conductivity. The use of metal ion coloring agent can be made into emerald, dark green, light cyan, amber glass. The advantages of glass packaging containers: (1) Good chemical stability, non-toxic and tasteless, hygienic and clean, without any adverse effects on the packaging, (2) good barrier, can provide good quality and durability conditions; (3) Transparent, the inside can be clearly visible; (4) The rigidity is good, not easy to deform, (5) Molding processing is good, can be processed into many types; (6) Temperature tolerance is good, can be high-temperature sterilization, but also low-temperature storage; (7) Rich raw materials, recyclable re-use, pollution-free environment. Defects of glass packaging containers (1) brittleness, easy to Break, (2) heavy weight, high transport costs, (3) Large energy consumption during processing, serious environmental pollution; (4) Poor printing performance

Cosmetic Plastic Bottles:

Plastic is a polymer composite materials, more kinds, the advantages are: (1) Good mechanical properties, light weight, convenient storage and transportation, easy to carry use; (2) permeability, 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) decorative coloring and printing performance is good. Drug labeling, instructions, signs, barcode can be directly inkjet or printed on plastic materials, and will not fall off; (5) Good chemical stability, weak toxicity, health, safety. The lid of the medicine can be made into an insurance cover or pressure cap, as well as an anti-counterfeiting logo and so on. The disadvantage of plastic packaging container is that easy to carry electrostatic, surface easily polluted, discards will cause environmental pollution, recovery and processing more difficult.


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