Pesticide Bottle & Chemical Bottle Series Blow Molding Machines

Pesticide Bottle & Chemical Bottle Series Blow Molding Machines

Two-step automatic PET blow molding machines for pesticide, agrochemical & chemical bottles. 12 models, 2–8 cavities, 500 ml–22 L, multi-pitch design, up to 9,200 bph. CE certified. Get a quote.

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PET Blow Molding Expert · Pesticide & Chemical Bottle Series Guide

Pesticide Bottle & Chemical Bottle Series
Blow Molding Machines — Complete Model Guide

12 models across ES and JS series — two-step automatic PET stretch blow molding machines for pesticide containers, agrochemical bottles, industrial chemical packaging, and specialty chemical containers. Multi-pitch, multi-cavity configurations covering 500 ml to 22,000 ml with neck diameters from 48 mm to 90 mm. A performance-matched, cost-effective alternative to Sidel, Krones, SMI, and Sipa platforms.
► 2 – 8 Cavities
► 500 ml – 22,000 ml
► 700 – 9,200 bph
► Multi-Pitch Multi-Cavity
► CE Certified

pesticide chemical bottle series PET blow molding machine multi-cavity agrochemical packaging

1. Product Overview

The Pesticide Bottle & Chemical Bottle Blow Molding Machine Series comprises 12 models across the ES and JS sub-series, purpose-configured for the distinct demands of agrochemical and industrial chemical container production. These are multi-pitch, multi-cavity machines engineered to produce pesticide bottles, herbicide containers, fungicide packaging, solvent bottles, industrial cleaning chemical containers, and large-format chemical storage drums with the wall-thickness consistency, chemical barrier properties, and closure-geometry precision that this regulated sector demands.

PET containers produced by two-step stretch blow molding offer decisive advantages over HDPE in the agrochemical and specialty chemical market: superior barrier properties against hydrocarbon and polar solvent permeation, crystal clarity enabling direct visual inspection of product colour and fill level without opening the container, 30–40% weight reduction versus equivalent glass or HDPE, and a single-material recyclability profile increasingly required by agrochemical brand sustainability commitments.

All models adopt servo-electric drive architecture, eliminating hydraulic circuits and reducing energy consumption by up to 35% versus pneumatic-cam competitors. Multi-pitch cavity configurations with independent per-cavity servo stretch-rod control maintain bottle-to-bottle dimensional consistency — critical for automated cap-sealing and induction-seal application on chemical filling lines where off-specification neck finishes cause leakage failures.

Applicable Industries & Applications

✓ Pesticide & Herbicide Bottles
✓ Fungicide & Insecticide Containers
✓ Agrochemical Packaging
✓ Industrial Solvent Bottles
✓ Lubricant & Engine Oil Containers
✓ Industrial Cleaning Chemicals
✓ Fertiliser & Growth Regulator Solutions
✓ Specialty Chemical Drums & Canisters

2. Working Principle

All ES-series models operate on the two-step reheat stretch blow molding (RSBM) process. PET preforms are automatically fed, sorted, and conveyed through a multi-zone NIR oven where each zone is independently temperature-controlled. For chemical and agrochemical bottle production, preform wall thickness is typically heavier than equivalent beverage bottles — the oven zone configuration is adjusted to ensure full-wall thermal conditioning without surface overheating that causes stress whitening or optical haze in the finished container.

At the blow station, servo stretch rods extend axially per cavity while low-pressure air initiates radial expansion, followed by a high-pressure blast (26–35 kg/cm² depending on model) driving PET against the cooled mold wall. The resulting biaxial orientation dramatically increases the chemical barrier performance of the PET wall — reducing hydrocarbon permeation rates by up to 3× compared with un-oriented extrusion-blown containers.

The multi-pitch cavity design is a key engineering feature of this series. Unlike single-pitch machines that fix cavity spacing to one bottle diameter, multi-pitch configurations allow the same machine to run different cavity spacings — enabling production of narrow 100 ml pesticide vials on the same platform as wider 1-litre agrochemical containers by substituting mold blocks, without rebuilding the core machine.

Key structural components common to all models: servo-electric toggle-link clamping • per-cavity servo stretch rod • multi-zone NIR oven with neck-protection cooling • automatic preform sorter and inclined feeder • Siemens/Mitsubishi PLC with HMI and recipe storage (up to 50 bottle formats) • inline dimensional rejection before downstream filling.

3. Core Advantages

🛡

Superior Chemical Barrier — PET vs HDPE

Biaxially oriented PET offers up to 3× lower hydrocarbon and polar solvent permeation versus extrusion-blown HDPE of equivalent wall weight — extending shelf life of agrochemical formulations and reducing product loss through container wall migration in storage and distribution.

🔎

Crystal Clarity — Direct Product Inspection

PET transparency enables end-users to visually verify product colour, fill level, and sedimentation without opening the container — a safety and quality advantage in agrochemical distribution where tamper-evidence and product verification are regulatory requirements in many markets.

📈

Multi-Pitch Multi-Cavity — Format Flexibility

Multi-pitch cavity design allows the same machine to produce different bottle diameters by changing mold blocks and pitch spacers — without rebuilding the machine base. Agrochemical packaging ranges spanning 100 ml vials to 5-litre field containers can be produced on a single platform, reducing capital investment in dedicated single-format machines.

🎯

Neck-Finish Precision for Induction Sealing

Per-cavity servo stretch-rod control holds neck-finish diameter variation within ±0.2 mm across all cavities and production shifts — the consistency required for reliable induction-seal application used as child-resistant and tamper-evident closure systems across agrochemical and chemical packaging globally.

⚡

Up to 35% Energy Saving — Servo Drive

Full-series servo-electric mold clamping eliminates hydraulic circuits, reducing electricity consumption per 1,000 bottles by up to 35% versus pneumatic-cam equivalents — delivering measurable utility cost savings on agrochemical lines running extended multi-shift production campaigns.

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Complete Turnkey Supply

We supply blow molds, preform injection molds, industrial chillers, and oil-free high-pressure compressor packages from a single source — simplifying procurement and ensuring food-grade and chemical-grade compressed air purity compliance for direct-contact chemical bottle production.

4. Technical Specifications

▶ ES Series — Standard Servo Chemical & Pesticide Bottle (2 / 4 / 6 / 8 Cavity, PET)

10 models covering 500 ml to 1,500 ml. Multi-pitch multi-cavity configurations for agrochemical, industrial chemical, and specialty packaging. Neck diameters from 48 mm to 98 mm.

Parameter / Unit ES-2C100 AS-2C114.3 ES-2C130 ES-4C76 ES-4C100 ES-4C114 ES-4C130 ES-6C76 ES-6C114 ES-8C76
Cavities 2 2 2 4 4 4 4 6 6 8
Max. Volume (ml) 500 1,000 1,500 700 800 1,300 1,500 700 1,500 700
Output (bph) 2,400 2,000 1,800 4,800 4,600 3,300 3,200 7,200 5,400 9,200
Max. Neck Dia. (mm) 68 88 98 48 68 88 98 68 68 68
Max. Body Dia. (mm) 80 94 110 68 80 94 110 68 94 68
Max. Height (mm) 200 260 260 240 250 250/330 250 240 250/330 250/330
Clamping Stroke (mm) 110 122 160 100 128 132 148 100 128 100
Stretching Stroke (mm) 350 400 350 350 350 400 400 350 350/450 450
Preform Holder 60 48 60 96 92 100 92 130 96 166
Max. Heating Power (kW) 34 45 42.5 40 62.5 50 68 62.5 72 72
Normal Heating Power (kW) 8–12 20 8–13 18 21 25 30 26 32 35
Blowing Pressure (kg/cm²) 26–35 35 26–35 35 35 35 35 35 35 35
HP Air (L/min) 1,000–1,400 1,600 1,000–1,500 3,900 4,000 5,000 6,000 5,800 9,500 7,500
Cooling Water Flow (L/min) 30 30 30 30 30 40 40 40 40 40
Machine Size L×W×H (mm) 2900×1525×1930 2660×1660×2150 3600×1800×1980 3290×1850×2260 4170×1930×2340 5120×2150×2350 5450×2070×2320 4690×2000×2000 5300×2150×2250 5750×2070×2320
Machine Weight (kg) 2,000 2,600 3,000 3,500 4,000 5,500 6,500 5,500 6,500 8,000

▶ JS Series — Large-Format Chemical & Industrial Containers (2 Cavity)

Dedicated large-format platforms for industrial chemical drums and institutional containers up to 22,000 ml. JS-2C200 for 5-litre to 18.9-litre containers; JS-2C366 for up to 22-litre drums. Integrated heating carousel for heavy-wall preforms.

Parameter / Unit JS-2C200 JS-2C366 (20 L)
Cavities 2 2
Max. Container Volume (ml) 5,000–18,900 22,000
Output (bph) 1,000 700
Max. Neck Diameter (mm) 58 90
Max. Body Diameter (mm) 180 300
Max. Container Height (mm) 340 480
Stretching Stroke (mm) 450 620
Integrated Heating Buffer 128 preforms 128 preforms
Max. Heating Power (kW) 65 86
Blowing Pressure (kg/cm²) 35 35
HP Air Consumption (L/min) 5,000 12,500
Cooling Water Flow (L/min) 91.4 120
Machine Size L×W×H (mm) 4100×2150×2350 4090×2660×3040
Machine Weight (kg) 2,500 7,000

⚡ Compressed Air Requirement: All models require low-pressure air at 7 kg/cm² and high-pressure air at 26–35 kg/cm². For chemical and agrochemical bottle production, an oil-free compressor is strongly recommended to prevent hydrocarbon contamination of bottle interiors — particularly important for formulations sensitive to trace hydrocarbon residues. Read our guide: why PET stretch blow molding demands 40-bar oil-free compressors — we supply matched oil-free compressor packages as part of our turnkey solution.

PET pesticide agrochemical chemical bottles produced by blow molding machines — herbicide fungicide industrial chemical containers

5. Structure & Material Engineering

🛠 Machine Frame

Heavy-gauge welded steel frame, stress-relieved and CNC-machined at all guide-rail and bearing surfaces. The multi-pitch cavity configuration requires a wider mold-platen design than single-pitch machines — the frame is engineered to accommodate variable cavity spacing without resonance amplification at high production speeds.

⚙ Servo-Electric Clamping

Toggle-link servo-electric clamping with no hydraulic fluid — eliminating hydrocarbon contamination risk in chemical production environments and extending maintenance intervals beyond 2,000 operating hours. Chemical bottle molds typically require higher clamping forces than beverage molds due to thicker wall sections; servo clamping delivers consistent force at every cycle position.

🌡 NIR Oven — Heavy-Wall Preform Configuration

Multi-zone NIR quartz-lamp oven with individually controlled zones. Chemical and agrochemical bottle preforms are typically heavier-walled than equivalent-volume beverage preforms, requiring longer zone dwell and higher zone power — oven zone configurations are adjusted for the specific preform weight profile of the application. Neck-protection cooling collar prevents closure-seating surface distortion during heating.

🔓 Chemical-Resistant Mold Materials

Blow mold cavities machined from high-strength aluminium alloy with conformal cooling channels. All mold water-circuit fittings and seals are specified for chilled water with standard corrosion inhibitors. Preform injection molds use imported 2316 mold steel with 420 stainless cavity plates, CNC-machined to ±0.02 mm for consistent induction-seal landing surface geometry.

📱 PLC & Multi-Format Recipe Management

Siemens or Mitsubishi PLC with colour HMI touchscreen. Up to 50 bottle-format recipes stored on-board — critical for agrochemical producers running multiple SKUs (100 ml, 250 ml, 500 ml, 1 L) on the same machine. Format changes including pitch adjustment are documented in the recipe, reducing changeover error and enabling consistent reproduction of validated production parameters.

📈 Inline Rejection System

Dimensional and weight non-conforming bottles are auto-rejected before the downstream conveyor. In agrochemical filling lines where off-specification neck finishes cause induction-seal failures — creating leakage and regulatory non-compliance risk — the inline rejection system provides an essential pre-filling quality gate.

6. Typical Application Scenarios

🌿 Pesticide & Herbicide Bottles

100 ml to 1,000 ml PET pesticide and herbicide bottles represent the primary application for the ES-2C100 and ES-4C76 models. Narrow-neck formats (48–68 mm) with child-resistant closures and induction seals are produced with the ±0.2 mm neck-finish tolerance required for reliable child-resistant cap engagement and induction-seal integrity. PET crystal clarity enables colour-coding and fill-level verification without label removal — a regulatory requirement in many markets for domestic pesticide products.

🌿 Agrochemical & Fertiliser Solutions

500 ml to 1,500 ml PET containers for liquid fertilisers, growth regulators, and biological crop-protection products. Agrochemical formulations span a wide polarity range — PET biaxial orientation provides consistent barrier performance across polar (aqueous) and non-polar (oil-based) agrochemical matrices. The ES-4C130 (3,200 bph) and ES-6C114 (5,400 bph) are the primary platforms for mid-to-high-volume agrochemical brand production.

🔧 Industrial Cleaning & Solvent Packaging

Industrial degreasers, solvent-based cleaners, and surface treatment chemicals in 500 ml to 1,500 ml PET bottles. The superior hydrocarbon barrier of biaxially oriented PET versus HDPE reduces product loss through container wall permeation during storage — particularly valuable for aromatic and chlorinated solvent-based formulations. Wide-neck ES-2C130 and ES-4C130 (98 mm neck) accommodate the large dosing-cap closures used in professional cleaning product dispensing.

⛽ Lubricant & Engine Oil Containers

500 ml to 1,500 ml PET lubricant and motor oil containers with handle or grip profiles. PET’s hydrocarbon barrier is superior to HDPE at the thin wall weights achievable by stretch blow molding — enabling lighter, more cost-effective containers without increasing permeation-driven viscosity change during storage. The AS-2C114.3 (88 mm neck, 2,000 bph) serves premium lubricant brands requiring the highest-precision neck-finish geometry for induction-sealed spout closures.

📊 High-Speed Agrochemical Brand Production

The ES-8C76 at 9,200 bph is the production platform for multinational agrochemical brands and large-scale contract filling operations requiring sustained high throughput. Eight-cavity per-cavity servo control maintains uniform neck-finish tolerance across all positions at maximum speed — ensuring every container from every cavity meets induction-seal and child-resistant closure specifications without post-production sorting.

🛡 Large-Format Industrial Chemical Drums

The JS-2C200 and JS-2C366 produce PET industrial chemical containers from 5 litres to 22 litres for concentrated chemical compounds, industrial solvents, and agrochemical bulk-repack applications. PET stretch-blown large-format containers offer significantly superior clarity and chemical barrier versus extrusion-blown HDPE at equivalent wall weight — enabling direct visual inspection of contents and extending shelf life of barrier-sensitive formulations.

7. Our Machines vs. European Brand Platforms — Objective Comparison

Disclaimer: The brand names Sidel, Krones, SMI, and Sipa are referenced solely to assist buyers in comparing technical specifications and making informed sourcing decisions. We are an independent manufacturer with no affiliation with or endorsement from any of these brands. We do not manufacture or sell their products. This comparison does not constitute intellectual property infringement of any kind.
Comparison Item Sidel SBO Series Krones Contiform SMI Smiflexi Sipa SFR EVO Our Series
Origin France Germany Italy Italy Asia
Chemical / Agrochemical Focus Beverage-primary Beverage-primary General purpose General purpose Dedicated chemical series
Multi-Pitch Cavity Design Selected models Selected models Limited Limited Standard — all models
Approx. Entry CapEx (4-cav.) USD 280K – 380K USD 260K – 360K USD 180K – 280K USD 200K – 300K Significantly lower — direct
Servo Drive (standard) Yes Yes Yes Yes Yes — all models
Spare Parts Lead Time 4–12 weeks 4–10 weeks 4–10 weeks 4–10 weeks 3–7 days (stocked)
After-Sales Service Regional agents Regional agents Regional agents Regional agents Direct + remote video
CE Certification Yes Yes Yes Yes Yes

CapEx figures are indicative market estimates. Our pricing is provided by confirmed quotation only.

8. Model Selection Guide

Your Requirement Recommended Model
Small pesticide vials, 100–500 ml, narrow neck (48–68 mm) ES-4C76 (4,800 bph) or ES-6C76 (7,200 bph)
Agrochemical / pesticide 500 ml–1 L, pilot or mid-volume ES-2C100 (2,400 bph) or AS-2C114.3 (2,000 bph)
Chemical / agrochemical 500 ml–1.5 L, high-volume 4-cavity ES-4C100 (4,600 bph) or ES-4C114 (3,300 bph)
Wide-neck chemical bottle 1–1.5 L, 98 mm neck ES-2C130 (1,800 bph) or ES-4C130 (3,200 bph)
Industrial-scale agrochemical brand, 9,200 bph ES-8C76 (8 cavity, 9,200 bph)
Large-format chemical drum, up to 18.9 L JS-2C200 (1,000 bph)
Extra-large industrial container, up to 22 L JS-2C366 (700 bph)

blow molding machine production workshop chemical pesticide bottle blow molder assembly and quality control

9. Frequently Asked Questions

Q1: Why is PET better than HDPE for pesticide and agrochemical bottles?
Biaxially oriented PET offers up to 3× lower hydrocarbon permeation than HDPE of equivalent wall weight, extending formulation shelf life and reducing product loss through container walls. PET crystal clarity enables direct visual product inspection and colour verification — a requirement in many regulatory markets for domestic pesticide products. PET is also 30–40% lighter than HDPE at equivalent structural performance, reducing shipping costs in high-volume agrochemical distribution.
Q2: Are these machines compatible with child-resistant closures and induction seals?
Yes. Per-cavity servo stretch-rod control holds neck-finish diameter variation within ±0.2 mm — the tolerance required for reliable child-resistant cap engagement torque values and induction-seal foil bonding. Mold designs for specific child-resistant neck finishes (28 mm CRC, 38 mm CRC, and custom formats) are available from our mold workshop with full dimensional validation reports.
Q3: What is multi-pitch cavity design and why does it matter for agrochemical packaging?
Multi-pitch cavity design allows the cavity spacing to be adjusted by substituting pitch spacers in the mold base, enabling the same machine to run different bottle body diameters without rebuilding the machine frame. For agrochemical producers with product ranges spanning 100 ml narrow vials to 1-litre wide-body containers, multi-pitch capability means a single machine investment covers the full range — reducing total CapEx compared with dedicated single-format machines for each SKU.
Q4: What compressed air specification is required for chemical bottle production?
All models require low-pressure air at 7 kg/cm² and high-pressure air at 26–35 kg/cm². For chemical and agrochemical bottle production, we strongly recommend an oil-free compressor to prevent hydrocarbon contamination of bottle interiors — particularly for formulations where trace hydrocarbon residues could alter efficacy or trigger regulatory non-compliance. We supply matched oil-free high-pressure compressor packages as part of our turnkey solution.
Q5: Can the machines produce bottles with tamper-evident neck rings?
Yes. Tamper-evident neck rings are formed on the preform during injection molding — the blow molder then stretches the body without affecting the preform neck geometry. Our preform injection mold workshop designs tamper-evident ring profiles compatible with standard and custom TE band closures used in agrochemical and chemical packaging. Submit your closure specification for mold design confirmation.
Q6: How many bottle formats can be stored in the PLC recipe system?
Up to 50 bottle-format recipes are stored on-board — covering combinations of neck size, body diameter (pitch), container height, wall weight, and oven zone settings. For agrochemical producers running multiple SKUs across different seasons or product lines, this enables same-day format changes without manual re-parameterisation, and supports validated process reproduction across production campaigns separated by weeks or months.
Q7: What is the production lead time from order to delivery?
Standard ES-series machines are produced within 45–60 working days from deposit receipt. JS-series large-format platforms require 55–70 working days. Blow molds for confirmed 3D bottle designs are delivered in 25–35 working days; preform injection molds in 35–50 working days. Factory acceptance testing with bottle samples is conducted before shipment. Our engineers are available globally for on-site commissioning, typically 3–5 working days per machine.
Q8: Can PET bottles be produced for UN-approved dangerous goods packaging?
PET stretch-blown containers can be designed and tested for UN dangerous goods approval (UN 3H1 Solid, UN 3H2 Liquid classifications) subject to drop-test, stack-test, and leakage validation of the specific bottle design and closure combination. We can supply bottles or work with your packaging certification laboratory to provide the preform and blow mold geometry documentation required for UN type-approval submissions.
Q9: What certifications do the machines carry?
All machines are CE-marked and carry multiple national utility model patents. ECM verification certificates for electrical components are available. Country-specific certifications (UL, EAC, INMETRO, etc.) can be supported subject to additional testing requirements. Documentation confirming no-hydraulic-fluid servo-electric architecture is available to support ATEX-adjacent installation assessments in solvent-handling environments.
Q10: Can these machines integrate with downstream filling and capping lines?
Yes. All ES-series models include an inline bottle conveyor with standard interface dimensions compatible with downstream filling, rinsing, capping, induction sealing, and labelling equipment. Line-speed matching calculations are provided at the project planning stage. For agrochemical filling lines with ATEX-zone requirements, we can advise on electrical isolation and enclosure specifications between the blow molder and filling area.

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customer site installation pesticide chemical bottle blow molding machine production line agrochemical packaging plant

10. Work with a Specialist Manufacturer

With over two decades of dedicated experience in blow molding machine design, manufacturing, and after-sales service, we supply automatic PET chemical and agrochemical bottle blow molding machines to pesticide brands, agrochemical producers, industrial chemical packagers, and contract filling operations across more than 20 countries. Our production facility operates dedicated CNC machining, mold fabrication, machine assembly, and quality-control departments. Our engineers are available globally for installation, commissioning, and after-sales support.

Whether you are transitioning an existing HDPE agrochemical line to PET, expanding capacity for a growing pesticide brand, adding a high-speed 8-cavity platform to a large-scale chemical filling operation, or specifying a large-format drum molder for industrial chemical bulk-repack, our technical team will provide a no-obligation specification review and delivered-cost comparison within 48 hours of enquiry.

Ready to Specify Your Chemical Bottle Blow Molding Machine?

Send us your bottle drawing or sample, target daily output, neck finish and closure specification — our engineering team will recommend the optimal automatic blow molding machine and issue a direct quotation.

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