The processing technology of glass bottles

The further processing of glass bottles is mainly based on the design requirements of customers and the use of the environment, to carry out targeted beautification work.There are many methods of decoration processing, and the choice of processing methods depends on the customer's requirements.

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  1. Introduction of frosted glass bottle process

Glass frosting:Glass frosted is a process in which glass surface is uniformly chemically eroded by a solution made of glass frosted powder. Frosted can improve the added value of glass, through the  frosted glass surface to form a layer of uniform semi-permeable sand surface layer;The main reaction substances are (NH4) 2SO4, NH4F, HF, HCl, etc.The appearance of the bottle has a certain hazy sense, increase the aesthetic effect.This processing method can also increase the firmness of spraying, electroplating and other subsequent processing.

 

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Process flow:Degreasing pretreatment → Frosted→ Spray → Soak → Cross Spray and Soak → Pure water cleaning → Drying → Checking bottle → Packing

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315ml candle jar-17

Main production problems and solutions:

  1. uneven frosted

Uneven frosted is due to the corrosion depth is not the same, the performance of sand surface thickness is different.Uneven frosting fluid: the old frosting fluid is added to the newly prepared frosting fluid which is not completely matured, resulting in uneven frosting fluid.With hydrofluoric acid as the main strength of the sanding fluid, due to the sanding reaction speed is very fast often when the bottle is driven by the chain through the sanding fluid, the positive direction of the side is faster than the opposite direction of the side of the reaction will cause uneven sanding.

Solution:Hydrochloric acid and hydrofluoric acid were added in proportion to accelerate the maturation and dissolution of the sand solution.Add old sanding solution to neutralize the strength.

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  1. pervious to light

The bottle body is caused by foreign body/sand solution/acid pickling.Oil pollution on the bottle body: after sanding, there is generally a large area of regular semi-transmittance. In the process of sanding, the place without oil pollution reacts with the sanding solution first, while the place with oil pollution is decomposed by hydrofluoric acid first and then reacts with the sanding solution. That is, the reaction time of the two places with the sanding solution is different, and what you see is regular semi-transmittance.

Solution: pickling, mainly according to the severity of the oil pollution is divided into two methods.

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1. Mild, acid pickling pretreatment acid proportion of hydrofluoric acid 7%, hydrochloric acid 5%, water 88%.Note: Hexafluorosilicate is attached to the surface of the bottle by hydrofluoric acid decomposition of oil and glass, and Hexafluorosilicate is dissolved by hydrochloric acid.

2, heavy, acid pickling pretreatment acid ratio of hydrofluoric acid 12%, hydrochloric acid 5%, water 85%, and then add a water bath.Note: the hydrofluoric acid concentration is more than 12% of the corrosion of glass become uneven, the six fluorosilicate too late by hydrochloric acid dissolved in a short time, so have to again after a bath to clean, if hydrochloric acid also increased as the hydrofluoric acid for pollution will be reduced, the effect of proportion of hydrochloric acid has a characteristic is the more oil the more hydrophilic.

  1. Introduction to Spraying Process

Spraying: Spray a layer of uniform water-based paint coating on the surface of the product with an air gun. After the product is leveled, preheated and dried, the coating is solidified, which plays a decorative and protective role on the glass bottle.Various spraying effects of spraying to improve the appearance of the product effect.A layer of organic coating is attached to the surface of the glass bottle (glass coating is added with specified colors, additives, etc.), so as to achieve the requirements of rich colors on the glass packaging bottle, which can achieve various effects such as high gloss, matte, pearllight, transparent, gradual change and other products.

 Spraying process:Bottle-on → bottle cleaning → flame treatment → electrostatic dust removal → spraying → preheating → curing → cooling → bottle down → packaging

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To match this kit, we also have Bottles

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XT 16oz amber pump d (4)

Call us today at 0086-0516-85555108 or email info@wetroyes.com

Troy is a Glass bottle & packaging and relative closure supplier, locats in China.

WETROYES® has been in producing glass bottle & packaging for more than 10 years. There have over 3,000 glass bottle, glass jars and closures offered online. We also can custom made for you, no matter new mold or printing, label stickers.

We aim to make packaging easy for our customers.

We can find it, design it, source it, make it, ship it, store it, and more.

- More than 15 factories, located in Xuzhou, Shandong, Guangzhou, Zhejiang, Anhui...

- Stocked products is one of our unbeatable advantages.

- Food grade glass, ISO certificated.

We provide personal care, cosmetics, perfume, food and beverage, medicinal packaging to high-volume clients. We produce different bottles and the color can be flint & clear, green & dark green, amber and blue. Additional service are also available, like decal, silk printing as well as frost printing.

As a professional manufacturer of Glass Bottle Glass Jar and Lids in China, as a powerful Glass Jar factory, we surely have huge different glass packagings for your choice.

We also provide other shape / design / volume for juice Boba drinking, some hot selling items for your information!

process

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Wide Mouth Glass mason jars


· 16oz 20oz 24oz
· Ideal for Boba Tea drinking with plastic straw hole lids, creative preserving and storing
· Great for gifting and arts and crafts projects

Main production problems and solutions:

1.the impurities

Particles, fibers and paper scraps are collectively referred to as impurities, which are protrusions that affect the smoothness and glossiness of the film surface. The main process in the spraying process is poor.The main sources include workpiece itself adhesion, human carrying, goods tray mixing, internal material loss, machine equipment wear and so on.The surface of the glass bottle workpiece itself is oily and dirty.Too large temperature and humidity deviation, too dry or too wet, and the disordered wind circulation in the working area.

Solution: pickling light bottle;Wipe with clean cloth dipped in alcohol, and then wipe with dry cloth;Blow with air gun before bottle;Ensure the normal operation of the electrostatic dust removal gun and adjust the appropriate Angle position;The operating temperature of the coating is controlled at 22±3℃ and the humidity is controlled at 65± 5%. If there is any abnormity, it needs to be repaired.Ensure the good operation of air supply pipes and ventilation, keep the ground clean, mop the floor twice for each shift to avoid the pollution of floating dust;Reduce the movement of personnel in the spray room area.

Contact Troy to get free samples!!!

Send an inquiry


Post time: May-27-2021