Wholesale Shampoo Bottle Manufacturers

How to avoid leakage or contamination of shower gel bottle during use

Optimization of sealing performance of bottle and cap structure design
Leakage problems usually originate from insufficient sealing at the connection between the bottle and the cap. Shaoxing Roman Plastic Co., Ltd. ensures the high matching of the bottle thread and the sealing ring structure through simulated pressure test and liquid inversion test during the design stage. The company has greatly enhanced the sealing ability by adopting multi-thread design and matching with built-in leak-proof gasket or anti-drip valve. For Shower Gel Bottle with pump head, Shaoxing Roman uses high-elasticity rubber ring and spring return device to ensure that the internal vacuum state is maintained during repeated pressing to prevent external air and impurities from entering.
Strict control of safety and compatibility in material selection
The choice of materials is not only related to the appearance and texture of the product, but also directly affects the sealing and anti-permeability performance of the bottle. Shaoxing Roman Plastic Co., Ltd. uses high-density polyethylene (HDPE), polypropylene (PP), PET and other high-quality plastics as the main bottle material. These materials have good pressure resistance and corrosion resistance in physical properties, and are not easy to deform, crack or leak even in a hot and humid bathroom environment.
In addition, the compatibility of the materials must also match the ingredients of the shower gel they contain. Shaoxing Roman will communicate with customers about the product formula at the beginning of product design to ensure that the plastic used will not chemically react with the fragrance and surfactant in the shower gel, avoid problems such as bottle softening and swelling, and ensure that the product will not deteriorate or pollute after long-term use.
Precision control in the manufacturing process
To further prevent bottle contamination and product leakage, Shaoxing Roman introduced advanced injection molding and bottle blowing integration technology in the production process. The company has more than 50 injection molding machines and 15 assembly and packaging production lines. All key components are processed, assembled and packaged in a dust-free workshop to prevent dust and particulate impurities from entering the bottle from the source.
At the same time, the company is proficient in a number of surface treatment technologies, including spraying, UV coating, silk screen printing, thermal transfer and labeling. These processes not only improve the appearance and texture of the product, but also add an extra layer of protection to the bottle. For example, UV coating can form a dense protective film on the surface of the bottle, improve wear resistance and scratch resistance, reduce micro cracks caused by external friction, and thus reduce the risk of leakage.
Inspection and quality control links ensure factory quality
Before the finished product is shipped, Shaoxing Roman Plastic Co., Ltd. has a special inspection department to conduct air tightness tests, water pressure tests, drop tests and simulated transportation tests on each batch of Shower Gel Bottle. All tests are based on customer usage scenarios as reference standards, with particular attention to sealing performance under high temperature, high humidity and repeated extrusion conditions. For exports to countries with significant climate differences such as North America, Australia, and Germany, the company has specially set up different environmental adaptability tests to ensure that the bottle is not affected by temperature changes and to continuously and stably ensure product quality.
Customized services guarantee different customer needs
Because different customers have different requirements for the usage scenarios and transportation conditions of packaging bottles, Shaoxing Roman provides OEM/ODM services, and customizes the bottle shape, bottle cap structure, opening method, and capacity size according to the specific needs of customers. For example, for children's shower gel products, the design adopts an anti-choking and anti-leakage pump head structure; for outdoor sports washing and care products, the bottle cap is equipped with a double-layer sealing mechanism and a non-slip texture design to enhance portability and safety.

How to reduce waste in the use of shampoo bottles through design

Shampoo bottle design optimization: reduce overpackaging
Overpackaging is one of the important reasons for consumers to waste during use. Many shampoo bottles have too large a capacity, and in actual use, many users do not use up all the products at one time, resulting in product waste. When designing shampoo bottles, Shaoxing Roman adheres to the design concept of "keep improving" and ensures that the bottle capacity can meet daily use needs and avoid overpackaging through reasonable volume design. Especially when choosing between family packaging and small bottles, Shaoxing Roman will provide customized services according to customer needs and provide consumers with a variety of capacity options to reduce waste caused by too large or too small capacity.
At the same time, Shaoxing Roman optimizes the shape of the bottle to avoid the redundant parts of the traditional bottle type, using the least material to achieve the maximum volume design, reducing material waste. This design not only helps reduce the consumption of raw materials in the production process, but also effectively controls carbon emissions during transportation.
Fine control of bottle mouth design: Reduce product residue
The design of the shampoo bottle mouth directly affects the amount of control when consumers use it. Too wide or too narrow bottle mouths can easily lead to product waste. In order to solve this problem, Shaoxing Roman fully considered user needs when designing the shampoo bottle mouth. Through precise bottle mouth size and optimized bottle mouth structure, it ensures that the product can flow out smoothly, but not excessively.
In addition, for different consumer markets, Shaoxing Roman provides a variety of bottle mouth designs, including pump heads with adjustable water output, compression-type bottle mouths, etc. These designs can help consumers accurately control the amount of shampoo taken each time according to actual needs, avoiding unnecessary waste. For high-end series, Shaoxing Roman also provides a pressure bottle design, which can effectively utilize every drop of shampoo in the bottle and reduce product residue.
Lightweight design: Reduce material waste
With the improvement of environmental protection requirements, lightweight design has become an important development trend in the packaging industry. Shaoxing Roman Plastic Co., Ltd. keeps up with the industry trend and reduces the overall weight of the shampoo bottle by optimizing the injection molding process and material formula while maintaining the strength and durability of the bottle. This lightweight design not only reduces the production cost of the product, but also reduces the consumption of resources during transportation, thereby achieving the optimal allocation of resources.
While lightweighting, Shaoxing Roman also pays attention to the recyclability of the bottle material. By using environmentally friendly plastics (such as PET, PP, etc.), the company ensures the recycling of the product after use, effectively reducing the environmental burden of the shampoo bottle. Through this measure, consumers not only reduce waste during use, but also can conveniently recycle the bottle after use, further promoting the realization of the circular economy.
Anti-leakage and anti-pollution technology in bottle design
During the use of shampoo bottles, leakage and pollution are also important factors leading to waste. If the bottle mouth is not tightly sealed or the bottle cap is improperly designed, it is easy to cause product leakage during transportation or use. In order to avoid this situation, Shaoxing Roman Plastic Co., Ltd. adopts a multiple sealing design and performs precision processing on the bottle cap to ensure that the sealing performance at the bottle mouth is optimal. The company uses technologies such as built-in silicone rings and spiral sealing designs to effectively prevent shampoo bottles from leaking even during transportation.
At the same time, Shaoxing Roman has also added anti-pollution functions to the design of the bottle. By using antibacterial plastic materials, the growth of bacteria on the surface of the bottle is inhibited, the cleanliness and hygiene of the bottle in long-term use are guaranteed, and the phenomenon of loss of use value due to pollution is reduced.

How to ensure the safety of facial cleanser bottles during transportation and storage

Structural design optimization: guarantee pressure resistance and sealing performance from the source
The safety of facial cleanser bottles during transportation first comes from the structural design of the bottle itself. Shaoxing Roman conducts systematic research on the development of bottle structure, and optimizes the thickness distribution of the bottle wall and the bottom support structure for problems such as pressure changes, stacking weight, bumps and vibrations that may be encountered during long-distance transportation. For example, an anti-sag rib structure is set at the bottom of the bottle to improve the overall pressure resistance and avoid deformation of the bottle during stacking transportation.
In order to ensure the sealing performance, the company adopts a multi-spiral tooth design with a high-elastic sealing gasket or an embedded silicone valve core, which can effectively prevent liquid leakage even in the high temperature and high humidity environment of sea transportation. At the same time, in view of the common press pump head structure of facial cleansing bottles, Shaoxing Roman adopts "locking pump head + rotating anti-mispress system", which not only prevents accidental pressing and causes product leakage, but also greatly improves the safety during transportation.
High-quality raw materials: ensure the stability of the bottle in various environments
The safety performance of the facial cleansing bottle depends largely on the physical and chemical properties of the materials used. Shaoxing Roman strictly selects high-quality plastic raw materials, such as PET, HDPE and PP, which have excellent performance in pressure resistance, crack resistance, chemical corrosion resistance, etc., and are suitable for facial cleansing products containing a variety of surfactants and active ingredients.
In addition, Shaoxing Roman has also passed multiple material compatibility tests to ensure that the plastic will not react with the facial cleanser or release harmful substances during long-term storage and transportation, and ensure that the bottle will not cause safety hazards due to water absorption, expansion, hardening and cracking.
Standardized process flow and equipment to ensure product consistency
At the production level, Shaoxing Roman is equipped with more than 50 high-precision injection molding equipment and 15 assembly and packaging production lines. The entire manufacturing process is carried out under strict process parameter control to ensure that each facial cleanser bottle meets the standard size, tolerance and strength requirements.
Through the precision control of the injection molding process, combined with the online automatic detection system, the company can effectively identify defects such as bottle mouth size deviation, uneven bottle wall, thread error, etc. that may affect the sealing and structural strength, thereby minimizing the damage or leakage caused by bottle defects during transportation.
Multiple detection mechanisms: eliminate transportation risks in advance
Before the cleansing bottle leaves the factory, Shaoxing Roman has established a complete set of scientific and rigorous quality inspection systems, including but not limited to air tightness testing, drop testing, stacking testing, high temperature and high humidity aging testing, etc. All testing links simulate the extreme conditions in the actual transportation environment to check potential risks in advance.
For example, in the air tightness test, the product is pressurized to check for leaks; in the drop test, the integrity reaction of the product after falling from different heights is simulated to ensure that the bottle has good impact resistance. It is this extreme pursuit of details that enables Shaoxing Roman products to maintain excellent stability and safety during transportation and storage.