Custom PE Blow Molding Services
Plasticpartsmfg provides custom polyethylene (PE) blow molding services for complex hollow plastic components. Based in Shenzhen, China, we support engineers and product managers throughout the entire manufacturing lifecycle—from initial prototype development and tooling design to medium and high-volume production.
We specialize in producing durable, lightweight parts that require high chemical resistance and structural integrity. Whether you are developing automotive ducts, fluid reservoirs, shipping containers, or industrial housings, our team delivers consistent quality and dimensional accuracy.
Why Choose PE Blow Molding?
Blow molding is the most efficient method for manufacturing hollow plastic parts in large quantities. Compared to injection molding or rotational molding, blow molding offers critical mechanical and economic benefits.
Cost-Efficiency
Significantly lower tooling costs for large, hollow parts compared to split-mold injection molding, optimizing upfront capital expenditure.
Structural Integrity
Creates seamless, single-piece hollow components with uniform wall thickness, effectively eliminating potential seam leaks and stress zones.
Material Versatility
Polyethylene (HDPE/LDPE/LLDPE) offers chemical resistance, high impact strength, and reliable low-temperature performance in demanding environments.
Lightweight Design
Optimized material distribution produces durable, resilient parts that are significantly lighter than metal or solid plastic assemblies.
Capabilities & Specifications
Our Shenzhen facility is equipped with automated machinery to manage wall thickness, material distribution, and cycle times for diverse geometries and strict tolerance envelopes.
From low-volume pre-production verification to multi-cavity mass manufacturing, every batch includes dimensional inspection, parison monitoring, and pressure containment testing.
| Capability | Typical Range |
|---|---|
| Process | Extrusion Blow Molding |
| Materials | HDPE, LDPE, LLDPE |
| Wall Thickness | 1.0 mm – 8.0 mm (varies by geometry) |
| Machine Tonnage | 50 – 500 tons |
| Part Size | Small components to large industrial tanks |
| Production Volume | Low-volume prototypes to mass production |
| Secondary Services | Trimming, drilling, insert installation, assembly |
Industry Applications
Plasticpartsmfg delivers high-reliability polyethylene blow-molded parts engineered for structural integrity, fluid containment, and industrial durability.
Automotive
Air intake ducts, fluid reservoirs, expansion tanks, and coolant channels designed for thermal and mechanical stress.
Industrial
Storage containers, heavy-duty chemical drums, and protective equipment housings with high environmental resistance.
Consumer Goods
Ergonomic bottles, rigid utility containers, and specialized hollow structural handles.
Medical & Lab
Non-critical protective enclosures, chemical-resistant fluid carriers, and instrumentation covers.
Our Manufacturing Process
We assist clients in moving seamlessly from design to finished parts through a strictly controlled, repeatable production framework.
Request a Technical Quote
To receive a detailed manufacturing quotation for your PE blow molding project, please send your CAD files (STEP, IGS, or Parasolid) and technical 2D drawings to .
Design Submission Checklist:
- Expected annual volume and batch sizes
- Target material grade (HDPE, LDPE, or LLDPE)
- Critical tolerances and functional surface specs
- Secondary operations or insert assembly needs