Hot Selling Bulk Mist Spray Bottles

Introduction: Screen printing uses a silk screen as a base and a photosensitive platemaking process to create a screen printing plate with images and text. Screen printing consists of five key elements: the screen printing plate, squeegee, ink, printing table, and substrate. The image and text portion of the screen printing plate can be transferred through the ink mesh to various packaging materials, enhancing the packaging's appearance and conveying information.








Applications of Screen Printing in Cosmetic Packaging: It is used on bottles made of plastics such as PET and PP to print brand names, logos, ingredient lists, barcodes, and other information. Multiple overprints are possible to ensure vibrant colors and distinct layers. It is used on bottle caps made of materials such as ABS and acrylic to print logos and simple designs. Matte, pearlescent, or 3D gravure effects can be achieved, enhancing the visual and tactile quality of the packaging.



Process Flow

1. Design and Plate Making: A screen template is created based on the packaging design. 2. Equipment Adjustment: Secure the module to the screen printer and adjust the squeegee pressure and printing speed.

3. Printing: Print on the bottle or cap, ensuring even ink coverage.

4. Curing: Use LED or UV curing to ensure secure ink adhesion.

5. Inspection and Post-Processing: Check the printing results and perform surface coating if necessary.





Technical Points

1. Screen Printing: Use polyester or metal screen as the base material, manufactured according to the design.

2. Printing Parameter Control:

① Maintain the squeegee angle between 60-75 degrees to ensure even ink transfer and adapt to the surface tension of different substrates.

② Printing Pressure: Adjust according to the substrate thickness and ink characteristics to maintain clear images and text.

③ Screen Printing Mesh Count: Selecting the screen mesh count requires a comprehensive consideration of the design fidelity, slurry particle size, and process parameters. A higher mesh count results in denser threads, smaller pores, and higher-definition patterns. A lower mesh count results in larger pores, allowing the slurry to penetrate more easily, but also resulting in rougher pattern details. Therefore, the slurry particle diameter must be much smaller than the mesh diameter, otherwise it can easily clog the pores or prevent the pattern from printing.





Key Factors in Bottle Screen Printing Process

1. Bottle Surface Tension: The surface tension of the bottle affects the ink's durability after printing. Generally, the surface tension of the material should reach 50 dyn/cm to ensure that the ink does not readily rub off. If surface treatments such as corona treatment or flame treatment are not desired, products with a higher polarity can be printed directly or with an appropriate ink.



2. Ink Selection: To ensure ink durability on the bottle, select the appropriate ink for the bottle material. Different types and colors of inks have different adhesion to different bottle surfaces. If ink adhesion is critical, we can also try adding a curing agent or other auxiliary solvent to the ink to achieve the desired finish after printing.



3. UV Lamp: The key equipment for ink curing is the UV lamp. The choice of UV lamp specifications varies depending on the ink's composition, color, and thickness. To ensure that the ink adheres firmly to the product surface, the UV lamp can be selected to achieve the desired effect. Generally speaking, in actual product processing, different plastic materials and inks will encounter different problems during the screen printing process, and specific issues require specific analysis.







PS ：If you have any needs for plastic bottles and plastic jars, please contact us to place an order. Guangdong Hongyuan, as a plastic bottle and lotion pump manufacturer, is committed to providing customers with high-quality products and excellent service.

Plastic Wash and Care Packaging Blow Molding: Not all materials are "blown once" the number of times depends on the process and demand







Different types of plastic wash and care packaging materials require different numbers of blow molding times, which mainly depends on the type of blow molding used, rather than the material itself. For a professional plastic bottle supplier, accurately matching the process with the material is key to ensuring the quality of the packaging.





Currently, mainstream processes are "single blow molding" and "double blow molding": the former is suitable for materials such as HDPE, which can efficiently complete one-piece molding is ideal for wash and care products with high sealing requirements; the latter is the standard for PET materials, allowing for more complex bottle shape designs through two-step molding, meeting aesthetic needs. The two processes have significant differences in molding logic and application scenarios, and the plastic bottle supplier will choose the appropriate process scheme based on the product characteristics and needs of customer.





1. One-time blow molding: suitable for HDPE, PP, "one-step" molding



One-time blow molding ( known as extrusion blow molding, EBM) integrates the melting, molding, and blow molding of plastic into one process. It only blows once throughout the process, for materials that do not require stretching reinforcement, such as HDPE and PP. It is common in frosted wash and care bottles and large-capacity hair conditioner bottles.



core process is as follows:



1. Plastic pellets (such as HDPE) are heated and melted by an extruder and continuously extruded into a tubular "";



2. The parison is sent into the mold for closure before it cools, and high-pressure air is blown into it from the inside to make theison adhere to the inner wall of the mold;



3. After cooling and setting, the mold is opened to directly obtain the finished bottle body, with only one blow m action throughout the process.



The key advantage of this method is its simple process and low cost, and it can also adapt to the characteristics of poor fluidity and high crystall of HDPE - no additional stretching is required, and one blow molding can meet the strength requirements of opaque wash and care packaging materials.



2. Two-time blowolding: exclusive for PET, "first make the blank and then blow the bottle"



Two-time blow molding (also known as stretch blow molding, ISBM is the only choice for PET materials to make transparent wash and care bottles. It needs to be completed in two steps, including "one-time injection molding to make the blank and "two-time blow molding to form", essentially achieving molecular arrangement optimization through two processes to meet the requirements of high transparency and impact resistance.



Its core process as follows:



1. First processing (injection molding to make the blank): PET pellets are melted and injected into the mold to make an "tube-shaped preform (not a finished product), which is taken out after cooling;



2. Second processing (blow molding to form): the preform is reheated to stretchable state, first stretched longitudinally by a stretching rod, and then injected with high-pressure air to blow (the second time), so that the preform ad to the mold to form, and finally a transparent bottle body is obtained.



PET must use two-time blow molding because its molecular structure needs to be "longitud transversely" stretched in order to become compact. If it is blown once like HDPE, the bottle body will be turbid and prone to cracking, and it will not the quality requirements of transparent packaging materials for shampoo and essence liquid.



3. Special cases: the superposition effect of blow molding times and material, demand



In addition the mainstream processes, some special needs will make the number of blow molding times and material produce more flexible combinations:



Multi-layer co-extrusion blow molding: such as "PET EVOH" multi-layer wash and care bottles (for highconcentration essence), although based on PET, it is necessary to extrude the multi-layer plastic into a composite tube billet through a co-extruder first, then blow mold it once, which still belongs to "one-time blow molding", but it adds an initial composite process. This type of high-sealing bottle is popular with plastic empty bottles wholesale buyers, especially suitable for high-end wash and care products.





Small PP travel bottles: some thin-walled PP small bottles will adoptone-time injection blow molding" (integrating injection and blow molding in the same equipment), although the process is smooth, it still belongs to one-time blowolding, which is different from the secondary processing of PET. This kind of efficient small-capacity bottle type is often used for wholesale lotion bottles with pump travel sets, meeting the of consumers for portable use.









The core influencing factor of blow molding times is "process type", and the process type is determined jointly by material characteristics (such as PET needs stretching HDPE does not need stretching) and product needs (such as transparent vs opaque, high strength vs ordinary strength). It is not possible to simply divide by material, but to "material characteristics packaging function requirements" to determine its blow molding times.

Have you noticed that some toilet water spray heads have arrows on them, even among the various spray products you come across daily? This isn't just a random design; it serves a significant purpose!

The arrow actually "guides" us, pointing in the direction of the spray outlet. The seemingly minor design difference between a spray head with or without an arrow actually makes a significant difference in user experience, applicable scenarios, and compatibility with the production positioning of fine mist sprayer manufacturers and wholesale fine mist spray bottle needs.



Spray Heads with Arrows: Precise Guidance, Lowering the Barrier to Use

The core value of spray heads with arrows lies in providing intuitive user guidance. They are particularly suitable for bottle mist sprayers and fine mist spray bottles that require precise spraying. For example, when using a fine mist spray bottle containing body spray or mosquito repellent, the arrow clearly indicates the direction of the spray. Even first-time users can quickly find the correct angle and avoid spraying the mist onto sensitive areas like the eyes, mouth, and nose, significantly lowering the barrier to entry.



From the perspective of fine mist sprayer manufacturers, this design optimizes the user experience—no additional manual is required; the intuitive arrows alone allow for quick user experience. Therefore, this type of spray head is often used in retail fine mist spray bottles that prioritize ease of use, rather than in bulk spray bottles or bulk packages.



Spray heads without arrows: Simple and versatile, suitable for a variety of scenarios

Spray heads without arrows focus more on versatility and cost-effectiveness, and are widely used in mist pump sprayers and various bulk purchasing scenarios. For example, in the wholesale market for fine mist spray bottles, many bulk spray bottles used for household cleaning and industrial disinfection feature spray heads without arrows. This is primarily because these applications are typically operated by experienced operators, requiring no additional guidance. Furthermore, the simple design reduces production steps, helping manufacturers control costs and better aligning with the cost-effectiveness of bulk fine mist spray bottles. However, the arrow-less design isn't completely "guiding." Some bottle mist sprayers incorporate subtle design features like nozzle shape and spray outlet texture to aid user orientation, maintaining a minimalist appearance without compromising basic usability.



For experienced users of spray products, the arrow-less design doesn't hinder operation. Instead, it enhances the bottle mist sprayer's minimalist appearance, complementing diverse product packaging styles. Consequently, it has also found widespread use in the beauty and home furnishing industries.




Whether the spray head has an arrow or not, each fine mist sprayer manufacturer has precisely designed it based on the product's positioning and usage scenarios. When choosing a fine mist spray bottle, users can consider their needs for ease of use and purchasing scenario (retail or wholesale, single item or bulk) to find the product that best suits their needs.

As a fine mist sprayer manufacturer, Guangdong Hongyuan fully inspects and tests our spray heads to ensure quality and reliability. We welcome your inquiries.

In the production and use of beauty and daily chemical products such as lotions, serums, and shampoos, the stability of the lotion pump directly determines user experience and product reputation. However, in practice, problems such as no dispensing under empty pressure, leakage, and difficulty in rebound occur frequently, affecting production efficiency and potentially leading to consumer complaints.



This article, based on industry production scenarios, breaks down the causes and solutions for 4 core types of failures. It also helps you understand how lotion dispenser pump manufacturers and lotion pump factories can avoid these problems through process control, giving you more direction when choosing a lotion dispenser pump supplier.



01 High Air Pressure Cycles/No Dispensing, Leaking: Core Sealing and Channel Issues



Problem Symptoms: Multiple air pressure cycles are required to dispense liquid when pressing the pump for lotion, or no liquid is dispensed at all; leakage occurs at the connection between the pump body and bottle, or at the top of the pump head, contaminating the bottle or hands.



Solutions



Channel Optimization: Lotion pump supplier Customize the hose length according to the bottle height; a 1-2mm gap between the bottom of the hose and the bottom of the bottle is recommended. For shallow bottles, use a slanted hose with an anti-clogging notch to reduce inlet blockage.



Sealing Control: Plastic lotion pump manufacturers Use aging-resistant and solvent-resistant silicone materials (such as FDA-certified silicone); after assembly, conduct a negative pressure test to ensure no leakage between the one-way valve and the piston ring. This is a mandatory standard for pumps that come into contact with skincare products, such as hand cream pumps.



After-sales emergency handling: If this problem occurs when a consumer uses the hand lotion pump, instruct them to check if the hose is bent. If the pump head is removable, clean any residual solidified liquid (such as clumps of thick emulsion) from the one-way valve.



02 Leakage between the emulsion pump and the bottle neck: Capping torque and size mismatch issue



Problem symptoms: Liquid leaks from the connection between the pump nozzle and the bottle neck, especially noticeable when the bottle is inverted. This is common after production and filling or during consumer use.



Solution:

Production-side torque calibration: The emulsion pump manufacturer should adjust the torque according to the bottle material. For PET bottles, 1.5-2.0 N·m is recommended; for glass bottles, 2.0-2.5 N·m. Calibrate the equipment with a torque tester before each batch of production to avoid uneven torque caused by manual capping.



Improved Size Tolerance: Plastic lotion pump suppliers can offer "adaptive gasket" designs (such as gaskets with raised lips) to accommodate bottle neck height deviations of ±0.5mm, reducing the risk of leakage due to size mismatch.



03 Difficulty in Pump Rebounding After Pressing: Liquid Viscosity and Spring Matching Issue



Problem Description: After pressing pump for lotion, the pump head cannot rebound quickly, or manual assistance is required for reset; the dispensing volume decreases upon secondary pressing, especially noticeable when using thick liquids.



Solution:

Precise Pump Head Selection: Lotion dispenser pump suppliers should provide a "viscosity-pump type" matching table. It is recommended that the purchaser provide a liquid viscosity test report (values ​​at 25℃) in advance; for liquids with seasonal viscosity variations, "wide viscosity adaptable pumps" (300-3000cP) are preferred.



Spring Quality Control: Lotion pump factory Nickel-plated or stainless steel springs must be used to improve fatigue resistance; a "rebound test" is added to each batch, requiring a rebound time of <0.5 seconds after pressing; unqualified products are directly rejected.



04 Emulsion Pump Sleeve Deformation and Cracking: Torque and Low-Temperature Brittleness Issues



Problem Manifestation: After filling and capping, the PP sleeve of the plastic lotion pump shows dents, twisted threads, or direct cracking (commonly at the connection between the sleeve and the pump head); the incidence of this problem increases significantly during winter production.



Solution:

Precise Torque Control: plastic lotion pump supplier Recommends a PP sleeve torque of 1.8-2.5 N·m, and provides torque operation training for customers, and provides manual torque wrenches for calibration.



Low-Temperature Production Plan: Lotion pump factory Pump bodies can be stored in a temperature-controlled warehouse (≥15℃), and warmed up 2 hours before filling; for customers in low-temperature areas, "low-temperature resistant PP sleeves" (with added anti-embrittlement additives) can be provided.



Summary: Choosing the right lotion pump supplier avoids malfunctions at the source. The essence of all malfunctions lies in the mismatch between the "liquid-pump-bottle" compatibility, material characteristics, and process parameters. For buyers, choosing a professional lotion pump supplier and plastic lotion pump supplier is crucial—Guangdong Hongyuan, as a professional lotion pump manufacturer, has been deeply involved in the production of lotion pumps and lotion dispenser pumps for many years, covering a full range of products including hand cream pumps, hand lotion pumps, and plastic lotion pumps. During the production process, from the selection of seal materials and spring force calibration to the negative pressure test and rebound test of each pump body, strict quality inspection standards are implemented to ensure that every emulsion pump leaving the factory meets industry compliance requirements and can accurately adapt to liquids of different viscosities and bottle types. This helps customers avoid common problems such as leakage, non-dispensing, and cracked nozzles from the source, and helps daily chemical products improve user experience and market reputation.

New Benchmark for Shampoo Packaging | Corrosion-Resistant × Pressure-Resistant & Leak-Proof × Eco-Friendly Recyclable | Direct Supply from Source Factory, One-Stop Procurement of High-Quality Empty Bottles!

Amidst the fierce competition in the hair care market, a safe, durable, and high-aesthetic plastic shampoo bottle is not just a product container, but also the first touchpoint of a brand's image. Inferior empty bottles often use recycled materials, have flimsy structures, and poor sealing, leading to swelling deformation, transportation collapse, and content leakage. These issues can result in customer complaints at best, and full-batch returns at worst.



Guangdong Hongyuan Dispensing Pump Co., Ltd. — a 12-year professional plastic bottle supplier and shampoo plastic bottle manufacturer specializing in liquid packaging — now provides high-quality wholesale empty plastic bottles to global customers. Covering HDPE/PP/PET materials and capacities from 100ml to 1000ml, our products fully meet the needs of shampoo, conditioner, body wash, and other categories.

Whether you need wholesale empty plastic bottles for your own brand filling or are looking for a reliable plastic bottle supply partner, Hongyuan can provide a complete solution from standard products to customization.

Product Series: Shampoo-Specific Empty Plastic Bottles (Including Matching Caps)

Core Advantages

✅ Food-Grade New Raw Materials: Odorless and non-deformable.

✅ Pressure-Resistant & Collapse-Proof Design: Withstands transportation and stacking pressure.

✅ High-End Aesthetics: Transparent/frosted/pearl white/gradient blue-green bottle bodies enhance terminal shelf appeal.

✅ Multi-Caliber Compatibility: 24mm / 28mm / 33mm / 38mm, suitable for pumps, flip-top caps, and press caps.

Special offer: PET plastic bottle wholesale — high transparency, lightweight, ideal for premium hair care lines, comparable to glass texture!



Common Risks of Inferior Empty Bottles

❌ Mixed Recycled Materials: Release odors when in contact with shampoo, and may even produce harmful substances.

❌ Uneven Wall Thickness: Crack when dropped and get crushed during stacking.

❌ Poor Bottle Mouth Precision: Loose caps lead to leakage and contamination of entire cartons during transportation.

❌ Lack of Test Reports: Rejected when exporting to Europe and the US.

As a professional plastic bottle supplier, Hongyuan implements full-process control from raw material warehousing to finished product shipment, ensuring every batch of wholesale empty plastic bottles meets export quality standards.

Cooperation Case: Empowering "Jingche" to Enter European Pharmacies & Cosmetics Channels

Domestic hair care brand "Jingche" launched amino acid shampoo, adopting our 500ml frosted HDPE bottle + 28mm press pump:

✅ Successfully entered Germany's DM and France's Monoprix.

✅ User Review: "The bottle is thick and substantial, with smooth pressing and no dripping."

"Hongyuan is our reliable plastic bottle supply partner, offering stable quality and on-time delivery."— Manager Zhang, Jingche Supply Chain Department

OEM/ODM & Wholesale Services



As a powerful custom shampoo bottle factory and plastic bottle wholesale supplier, we support:

Capacities: 100ml / 250ml / 500ml / 750ml / 1000ml



Materials: HDPE (economical and durable), PP (high-temperature resistant), PET (highly transparent)

Minimum Order Quantity: 10,000 sets (bottle + cap) for standard models, supporting small-batch trial orders

Customization Services: Silk screen printing/hot stamping/laser engraving, Pantone color matching, special-shaped bottle development



Full Process: 3D design → Mold development (20–30 days) → Sampling → Mass production

Export Support: Provision of FDA, RoHS, and other test reports

Quality Commitment

All products are ISO 9001 certified. Each batch undergoes:



1.2-meter drop test to ensure impact resistance.

Choose Hongyuan — your trusted plastic bottle manufacturer, providing stable, compliant, and cost-effective empty bottle wholesale services to empower global hair care brands!

Contact us now to get free samples + latest quotes + corrosion resistance comparison videos!