GPB Contract Manufacturing FAQ

What's the MOQ and regular lead time of custom perfume bottles? MOQ (Minimum Order Quantity) refers to the smallest number of units a supplier or manufacturer is willing to produce for a single order. It is a critical term in manufacturing and supply chain agreements, balancing cost-efficiency for the producer and feasibility for the client. At GPB, we are dedicated to providing holistic services and fostering the growth of our partners. With over 15 years of extensive industry experience, GPB comprehends the quality standards necessary for premium perfume packaging and possesses the manufacturing expertise to meet these requirements. Our team offers a full suite of capabilities to oversee the entire process of designing, producing, and transporting perfume packaging.Refer to below form to understand Items MOQ Regular Lead Time Glass Bottle 10,000 pcs / model 45-50 days Decoration5,000 pcs / color10-15 daysLogo Printing5,000 pcs / logo7-10 daysPerfume Cap5,000 pcs / model / color45-50 days Pump Sprayer 10,000 pcs / model / color 25-30 days Perfume Box 2,000 pcs / style 25-30 days

Efficient, reliable, and high-quality contract manufacturing Expertise in perfume bottle productionWe have years of experience and expertise in manufacturing perfume bottles, allowing us to provide top-notch contract manufacturing services. In pre-production meeting, the engineer will indicate every point that importation in produce process, including volume, weight, dimensions, defect etc.Manufacturing ProcessOur manufacturing facilities are equipped with advanced machinery and technology, enabling us to produce high-quality perfume bottles efficiently and consistently.Quality AssuranceWe prioritize quality at every step of the manufacturing process. Our team adheres to strict quality control measures to ensure that the final product meets your expectations and industry standards. Four turns inspect will be carried out in the production line, and final inspection can be done before the shipment.Compliance with regulationsWe stay up-to-date with industry regulations and compliance standards to ensure that the manufacturing process meets all necessary legal and safety requirements. Our efficient manufacturing processes and supply chain management enable us to meet your deadlines without compromising on quality. We prioritize confidentiality and take measures to protect your intellectual property rights, providing you with peace of mind during the contract manufacturing process. How to gurantee the goods meet the quality requirement? To be precise, quality control commences with the design phase rather than solely relying on post-production inspections. Hence, we tailor distinct quality control procedures for each customer based on their specific requirements.→General QC Procedure What's GPBottles' policy regarding defective goods that cannot be sold upon receipt? While GPBottles implements a rigorous quality control procedure in daily production, it is important to note that even with these measures in place, it is impossible to guarantee that there will be no defective goods in mass production. GPBottles Provides:● Ship 1% Extra quantity of bulk order● Produce replacement if the rate of defective goods over AQL standard● Deduct amount of defective goods in future order

Due to the tolerance of drastic temperature changes, the glass bottle produces a temperature gradient between the inner and outer layers during the molding process, and due to the differences in the shape, thickness, and degree of cooling of the finished product, irregular thermal stresses are generated in the product. Such thermal stress can reduce the mechanical strength and thermal stability of the product, and also affect the optical uniformity of the glass. If the stress exceeds the ultimate strength of the finished product, it will break on its own. Therefore, the uneven thermal stress in the glass bottle is a serious mistake, and annealing is a heat treatment process that can eliminate the thermal stress in the glass bottle as much as possible or reduce it to an allowable value. Except for glass fibers and thin-walled small hollow products, indeed all glass products must be annealed. Thermal stress in glass products can be divided into temporary stress and permanent stress according to its characteristics.Temporary stressDue to its poor thermal conductivity, when the glass is heated or cooled below the strain point temperature, a temperature gradient will be formed in each part, resulting in inevitable thermal stress. This kind of thermal stress, with the existence of the temperature difference, the greater the temperature difference, and the greater the stress temporarily, and disappear with the disappearance of the temperature difference. This thermal stress is called temporary stress.But before the temperature is out of adjustment, what should be paid attention to, of course, the stress can be eliminated by itself. When the stress value exceeds the ultimate strength of the glass, the glass will rupture itself abnormally, so the heating or cooling speed of the glass in the brittle temperature range should not be too fast. Permanent stressThe thermal stress caused by the temperature difference, when the glass is cooled from above the strain point temperature, the glass is cooled to room temperature, and the temperature of the inner and outer layers is out of adjustment, but it cannot be completely dissipated. The magnitude of the permanent stress depends on the cooling rate of the finished product when it is above the strain point temperature, the viscosity of the glass, the thermal shortening factor and the thickness of the product and other glass machinery.Annealing of glass is to reheat the glass product with permanent stress to the temperature at which the particles inside the glass can move, and the displacement of the particles is controlled to disperse the stress (called stress relaxation) to eliminate or weaken the permanent stress. The rate of stress relaxation depends on the temperature of the glass. The higher the temperature, the faster the relaxation rate. A suitable annealing temperature range is the key to obtaining precise annealing quality for glass. In the actual production process, it is impossible to completely eliminate permanent stress. Annealing can reduce or homogenize the residual stress to a minimum to achieve the enhancement of the glass to get purpose of mechanical strength and thermal stability.

1. Different process. The blown glass bottle is first drawn into a glass tube, and then the glass tube is used to make the bottle on a vertical turntable machine. The molded bottle is produced using boron (B) sand and quartz sand on a kiln line machine (Produce ) To make the bottle, the control bottle does not use a mold (title: mother of industry), only two sets of mold wheels are used, and a complete set of molds is required to mold the bottle. 2. Different appearance. the outer surface of the blow glass bottle looks brighter, the transparency is better, and the molded bottle is rougher. Glass bottle my country's traditional beverage packaging container, glass is also a kind of packaging material with a long history. With many packaging materials pouring into the market, glass containers still occupy an important position in beverage packaging, which is inseparable from its packaging characteristics that other packaging materials cannot replace. 3. In terms of material: domestically controlled bottles are generally made of low boron (B) silicon, but high borosilicate and medium borosilicate can also be made, while the molded bottle is made of sodium (Sodium) calcium glass, because the material is inferior to drug resistance and acidity ( liè) in the control bottle. Freeze-drying of control bottles is better, while molded bottles cannot be freeze-dried.

What is the difference between glass and crystal? The appearance of glass and crystal are very similar, but they are two completely different substances. The main differences are as follows:  1. Different materials　　Crystal is a crystal of silica, and glass is just a molten mixture containing silica.  2. Different efficacy　　Glass only has a decorative function. In addition to the decorative function, crystal also has a piezoelectric effect, which has a special function of maintaining health.　　3. Different prices　　 The high-quality crystal looks clear and translucent when looking at the light. There are no small bubbles or water lines inside, so it is expensive. Therefore, the quality of the crystal is closely related to the price.　　4. Different physical properties　　(1) Crystal is a crystalline body with high hardness (Mohs level 7), while glass has a low hardness (Mohs level 5.5), crystals can make marks on the glass, but not vice versa.　　 (2) The crystal is a crystalline body with good thermal conductivity, and it will feel cold when licked with the tip of the tongue. The glass is warm.　　 (3) It is distinguished by polarizing lens. Crystal can transmit light, but glass cannot.　　 (4) The high-quality crystal looks clear and translucent when looking at the light. There are no small bubbles or water lines inside, so it is expensive. Therefore, the quality of the crystal is closely related to the price.　　 (5) The processing technology is different. The glass can be formed by hot casting, saving materials and labor, and low cost. Crystal is a crystalline body and cannot be reversed after being heated and melted, so hot casting cannot be used, but cold working methods such as cutting and grinding can only be used. Identification of glass and crystal 1. Wipe or wash the crystal crafts you want to identify. After they are dry, touch the crafts with the tip of your tongue. If there is a cold feeling, it is a crystal product, and if it has a warm feeling, it is a glass product. During the test, try not to hold the sample with your hands or place the sample near a heat source (in the sun, by the stove), so as to avoid errors caused by the temperature rise of the sample.  2. Use a magnifying glass to observe the handicrafts. Inside the glass, there are often swirling or arc-shaped lines caused by uneven melting, but there is no crystal. In addition, there are often many bubbles in glass and few in crystal.　　3. For the crystal ball, you can put it on the newspaper and look at the newspaper below from the top of the crystal ball. If it is a real crystal, the writing on the newspaper will have double shadows. In the case of glass products (including crystal glass), there is always only one image of the handwriting on the newspaper.　　4. For crystal glasses, it can be checked in a polarizer. Adjust the polarizer to the orthogonal position. At this time, the field of view is completely black. Then place the crystal glasses between the upper and lower polarizers. The lens and the polarizer should not be strictly parallel. You can tilt it slightly so that there is one lens and the polarizer. Cross the angle, and then turn the spectacle lens. If it is made of real crystal crafts, there will be obvious brightness changes in the field of view. If it is always dark when rotating, the spectacle lens is a glass product or crystal glass (glass made of low-quality crystal).　　 5. When traveling, the polarizer is inconvenient to carry. You can bring two polarizers (or two small polarizers for photography) with a diameter of less than 40mm. When measuring, one person holds two polarizers so that they are orthogonal and completely black. Human hands hold the glasses and rotate them between the two polarizers. If there is a significant change in brightness, it is a real crystal product, and if the darkness does not change, it is a glass product.

The Coating Technology Of Perfume Glass Bottle The perfume glass bottle coating production line is composed of coating house, suspension chain and oven. And before coating, there is water treatment system to clean the glass bottle, here we need to pay more attention on the drainage issue of polluted water. Coating quality of glass bottle is related to water treatment, surface cleansing, electric conductivity of hook, air volume, powder quantity, and technical level of operators.Opeate as recommend operations.1. Former treatment: the coating former treatment of glass bottle includes pre-deoxidation, deoxidation and surface conditioning. The former treatment will not be good if temperature is not high enough in process of deoxidation in cold area.2. Pre-heating: After former treatment, the bottles will go into process of pre-heating, it needs 8-10 minutes. In principle, in order to increase the adhesive force of color powder, do make sure the glass bottle has enough afterheat before go into coating house.3. Dust catching and cleansing:  it's important process for glass bottle to be coated, to make sure no granulate on the surface after coating.4. Coating: it depends on the technical level of operator to adjust machine in best condition to coat high quality perfume glass bottle.5. Dry: It needs suitable temperatuer and baken time for glass bottle, normally temperature 180-200℃. Don't place the oven far from the coating house, best within 6 meters. 

1. Etching screen printingThe modern etching screen pirnting make the process of glass bottle decoration more convenient, save time, save cost. There are two kinds of etching screen printing, one is Thermoplastic etching screen printing, one is cold etching screen printing.Thermoplastic etching sreen printingUse the adhesive made of paraffin, pitch, stearic acid and mix with less corrosion resistant powder to be printing material, then print the artworks on glass bottle by the thermoplastic screen to format as corrosion resistant film.The part of glass display on the film is the logo or pattern we need to etch. Use Fluorine perchlorate to make the etch, and use boiled water to wash the etched the pattern.Cold etching screen printingWe can also use the cold type to print the glass bottle, use special asphalt paint mix with corrosion resitant or special ink to print.Then etch it after the ink dry.2. Ice-patterned silk screen printingThe elegant ice-patterned silk print used on advanced glass ware or contruction glass material. First step is to print color or colorless glass flux layer on the glass bottle surface. Then put the ice-patterned glass particles on the flux layer, to sintering with 500~590℃ to make the flux layer melted with glass prticels and perform to relief effect.3. Frosting screen printingFrosting is kind of decoration to melt the glaze layer on the glass bottle surfacto with 580~600℃ high temperature bake to display different color compare with bottle. Hereunder shows how to do with frosting screen printing: On the surface of a glass product, screen prints a pattern formed by a flux inhibitor.To be printed on the pattern of dry, and then frosted processing.Then after high temperature baking, there is no pattern of the sand surface will melt on the glass surface, and the place of the silk screen printing pattern due to the effect of flux resistance, the sand surface covered on the pattern can not be fused on the glass surface.After baking, the transparent floor space pattern will appear through the translucent sand surface, forming a special decorative effect.