What is Pesticide Packaging Blow Molding Machine?
The pesticide packaging blow molding machine is specialized industrial equipment designed to manufacture plastic containers (bottles, jerry cans, or barrles) specifically for the agricultural chemical industry.
Because pesticides are often corrosive, toxic, or volatile, these machines are engineered to produce containers with high chemical resistance, precise wall thickness, and leak-proof seals to ensure safety during storage and transport.
Bestar Blow Molding Machine Feature
Bestar Machine matched with any European molds to increase production capacity and competitive machine investment cost with high-speed applications.
Easily configured for monolayer and multi-layer applications.
Co-extrusion multilayer head with PWDS (Parison wall distribution System).
Single or multi parison.
Efficient electric drives on extrusion system.
In-mold labeling and view stripe capable.
Recommended Blow Molding Machine Models
Technical Parameter
| Machine Type | B15D-560 | B15D-750 | B25D-750 | |
|---|---|---|---|---|
| Diehead | DH60-4F/3L-CD125-V | 8-Fold Extrusion Head | 2-Fold Extrusion Head | |
| Double/Single Stations | Double Station | Double Station | Double Station | |
| Net Weight | 120±3 g | 20±0.5g | 380g | 280g |
| Cycle Time (Machine with S136molds) | 32s | 16s | 50s | 36s |
| Production Capability (Machine with S136molds) | 900 pcs/hour | 3600 pcs/hour | 6912 pcs/day | 9600 pcs/day |
Blow Molding Machine Detail
Control System
Austrian B&R control system with PLC control, convenient to check or adjust temperature, speed and time, etc.
Embedded 100-point parison control system, well-distributed thickness and cost saving.
Fault diagnosis and alarms automatically are displayed on screen. Analyze and correct parameters by ADSL connection.
Die Head
Precise and accurate die head design-streamline, no blind angle and faster color change.
Lower back pressure, extending service time of extruder unit and gear box.
Multi-cavity flow channel, easy to control flow.
Multi-layer co-extrusion head with heart curve or sprial mandrel.
Single layer die head with offset spider.
View stripe on die heads at request.
Deflashing Unit
Top punching devices for neck, shoulder and handle with electro pneumatic control, including electro pneumatic control for cooling of flash and blowing away.
Bottom punching devices include counter support pneumatically spring loaded with electro pneumatic control. Driven by pneumatic cylinder.
Vertical adjustment for different article length.
Leak Tester
Fast filling, testing, diversity and decompression.
Automatic removal of leak products.
Article Conveyor System
Perfect combination between the design of robot arm and conveyor, reasonable layout, space saving.
Labor cost and production risk are effectively reduced.
Electrical Cabinet
Separate cabinet for heavy and light current.
Isolation transformer protects PLC from damage caused by short circuit.
Embedded industrial air conditioner guarantees normal working of control system under terrible circumstance.
Blow Molding Machine FAQ
What materials are used for pesticide bottles?
HDPE: Preferred for its excellent chemical resistance and durability.
PET: Used for its clarity and strength, often for smaller or less aggressive liquid formulations.
Co-extrusion (Multi-layer): Some machines can produce 3-layer or 6-layer bottles with a barrier layer (like EVOH or Nylon) sandwiched in the middle to prevent chemicals from seeping through the plastic.
Can one machine make different bottle sizes?
Yes. By changing the molds, a single machine can produce various sizes, ranging from small 100ml bottles to large 5L or 10L jerry cans. However, the machine’s physical "clamping force" and "extruder size" limit the maximum container size it can handle.
What is "In-Mold Labeling" (IML)?
Many modern blow molding machines offer IML. The label is placed inside the mold before the plastic is blown. The label then fuses with the hot plastic, making it permanent and resistant to chemicals or moisture—crucial for safety warnings that must remain legible.
What is the "Barrier Layer" (EVOH) and why is it important?
EVOH (Ethylene Vinyl Alcohol) is a specialized plastic used in a sandwich layer. It prevents oxygen from entering (which can degrade the pesticide) and prevents the chemical solvents from "migrating" or leaking through the bottle walls.
How do these machines ensure the bottles don't leak?
The plastic blow molding machine use Parison Programming (wall thickness control). This ensures that critical areas, like the neck threads and the corners of the base, are thick and reinforced to prevent cracking or leaking under pressure.
What special features are needed for Pesticide Packagings?
High-Precision Neck Finishing: The neck (where the cap screws on) must be dimensionally perfect to prevent leaks. Machines often have calibration blowing for the neck.
Leak Testing Station (often integrated): Many production lines include an inline air-pressure test to automatically reject leaking bottles.
Anti-Drop Neck Ring Handling: Prevents neck deformation during part transfer.
Deflashing System: Efficiently removes the "tail" and excess flash (especially for handle-ware bottles).
Production process flow of Pesticide Packagings?
Raw Material Handling → Drying & Conditioning → Melting & Extrusion → Parison Formation → Mold Clamping & Blowing → Cooling & Ejection → Deflashing & Finishing → Leak Testing → Quality Inspection → Packaging & Palletizing
What key factors should I consider when choosing blow molding machine?
Bottle size & weight: Max./min. capacity (e.g., 100ml to 5L).
Output requirement: Bottles per hour/shift.
Neck finish detail: Type of thread (e.g., ISO, API, custom), handleware capability.
Material: HDPE melt index suitability.
Automation level: Auto-parison control, robot take-out, in-line trimming.
Floor space & utilities: Air consumption (CFM), cooling water (GPM), power (kW).
How to improve the production efficiency of blow molding machine?
Shorten the molding cycle: By precisely optimizing core process parameters such as heating, blowing, and cooling, and adopting rapid mold change technology and efficient mold cooling systems, time is compressed in each cycle to maximize output per unit of time.
Ensure continuous and stable operation: Implement a strict preventive maintenance plan and introduce automation devices (e.g., automatic feeding, robotic part removal) to minimize non-productive time wasted due to equipment failures, manual operations, and product defects.
About Suzhou Bestar Blow Molding Machinery
Bestar provides customers high efficiency, innovative, energy saving blow molding machinery solutions.
Bestar has won great trust from international customers by providing high-quality blow molding machines and perfect after-sales service. Bestar blow molding machines have been sold to North America, Poland, Mexico, Colombia, Peru, Argentina, Chile, Indonesia, Malaysia, Vietnam, Bangladesh, Saudi Arabia, South Africa, Egypt, Ghana, Tanzania, Ethiopia and other countries.
Bestar management "to take quality as a core principal, honesty and customer first, and create mutual benefits" we wish to share benefits, mutual cooperation and prosperity with domestic and international customers.
Contact Bestar Machinery
- Email: sales@bestarmachinery.com
- Mobile & WhatsApp: +86 18862609888
- Fax: +86-512-5818 8210
- Address: Zhangjiagang Economic Development Zone, the eastern side of Gangcheng street, 215600, Jiangsu Province,China
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