# Westec Plastics Corporation

This MFR.ID profile was supplied, reviewed, and approved by Westec Plastics Corporation. Originally approved on 7/9/2025; last updated 6/5/2026. Capability data is manufacturer-approved for public sourcing and RFQ use.

## Profile Links

- Canonical profile: https://mfr.io/westecplastics
- JSON data: https://mfr.io/westecplastics.json

## Company Overview

Westec Plastics Corporation specializes in tight-tolerance plastic injection molding and in-house moldmaking for medical, biotech, and high-tech industrial applications. Established in 1969 and privately owned, Westec operates an ISO 13485-certified facility in Livermore, California, equipped with a range of injection molding presses, cleanroom environments, and automated secondary processes. Renowned for rapid tooling, two-shot molding, and stringent quality control, Westec is a trusted partner for highly regulated industries requiring precision, scalability, and reliable supply-chain support.

## Quick Reference

- Processes: Plastic Injection Molding, Tool & Die (Fixtures & Gages), Cleanroom Manufacturing, Value Added Services
- Lead Time: 2-12 weeks
- Production Scale: Prototype (1-10 parts), Short Run (11-500 parts), Medium Run (501-10000 parts), Mass Production (10001+ parts), Prototype (1-50 parts), Short Run (51-2000 parts), Medium Run (2001-50000 parts), Mass Production (50001+ parts)
- Location: Livermore, CA 94551
- Employees: 50-100
- Revenue: $10M-$20M
- Founded: 1969
- Contact: sales@westecplastics.com - +1 217-555-1234
- Verified: Manufacturer Approved

## Capabilities

### Plastic Injection Molding

Westec Plastics runs 23 electric and servo-hydraulic presses (28–610 ton) under ISO 13485 to mold parts from small precision components to 1.4 kg housings. Scientific molding with in-cavity pressure sensing, SPC and optional ISO Class 8 cleanroom delivers ±0.025 mm repeatability. Two-shot, insert and overmolding support multi-material, high-precision components for medical, biotech, aerospace and industrial markets.

- Process: Plastic Injection Molding
- Highlights: 28 – 610 ton press range plus three Arburg two-shot cells, Small-to-large part range (<1 g to 1.4 kg), 0.20 mm thin walls, Scientific molding, real-time SPC, ±0.001 – 0.005 in tolerances, Cleanroom ISO Class 8 molding; DNA-free ISO 18385 option, 24⁄7 automated cells with robotic handling and full traceability
- Subprocesses: Multi-Shot / Two-Shot Injection Molding, Insert Molding, Overmolding
- Specifications:
  - Production Volume: Prototype (1-10 parts), Short Run (11-500 parts), Medium Run (501-10000 parts), Mass Production (10001+ parts)
  - Cleanroom Compatibility: ISO Class 8 (molding), ISO Class 7 (assembly), ISO Class 6 (ultrasonic cleaning), ISO 18385 DNA-free option - Hard-wall Class 8 room with six presses; portable soft-wall enclosures for dedicated programs.
  - Lead Time – First Articles: 2-4 weeks - Rapid Mantle-printed inserts; repeat production parts typically 2–4 weeks.
  - Injection Molding Press Tonnage: Metric: 28-610 ton - 23 presses, electric and servo-hydraulic
  - Shot Size Capacity: Metric: 0.02-1360 g - Micro to 3 lb (1.36 kg) shots
  - Dimensional Tolerances: Imperial: 0.001-0.005 in - Typical; tighter features validated case-by-case with CMM/vision metrology
  - Material Compatibility: Commodity thermoplastics (PP, PE, PS), Engineering resins (ABS, PC, PA, POM), High-temperature polymers (PEEK, PEI, PSU), Medical-grade & USP VI/ISO 10993 resins, Glass-/carbon-filled compounds - Materials dried and processed per resin OEM guidelines; full lot traceability maintained.
  - Maximum Part Size: 600L x 600W x 300H mm - Based on 610 ton press envelope and mold crane limits.
  - Cycle Time: Metric: 8-60 s - Fast-cycle multicavity parts to longer technical cycles; optimized via scientific molding.
  - Draft Angles: Metric: 0.5-2 deg - Recommended; tighter possible with polished steels and ejection aids.
  - Surface Finish (SPI Standard): SPI A1 – A3 high-polish, SPI B1 – B3 semi-gloss, SPI C1 – C3 EDM/textured - Finishes achieved via mold polish, EDM or chemical texture; prototype inserts match production finish.
  - Minimum Wall Thickness: Metric: 0.2+ mm - Depending on material and flow length; DFM guidance provided for thinner sections.
  - Mold Temperature Control: Metric: 20-180 °C - Oil and water thermolators; high-temp circulating units for PEEK/PEI.

### Mold Building & Tooling

Westec’s in-house toolroom combines high-speed CNC, sinker/wire EDM and Mantle P-200 hybrid metal AM to deliver prototype-to-production injection molds in 2–12 weeks. Hardened P20 / H13 steel or aluminum tools are built to ±0.005 mm accuracy, multi-cavity up to 1 000 × 600 × 500 mm, with conformal cooling and lifetime preventive maintenance. Full DFM, validation and rapid ECOs keep programs on schedule and cost-effective.

- Process: Tool & Die (Fixtures & Gages)
- Highlights: Mantle P-200 3D-printed steel inserts cut lead time by >70 %, Multi-cavity molds (1–64+) with unscrewing, lifters and hot runners, ±0.0002–0.0005 in component accuracy; SPI A1 mirror to EDM textures, Tool life engineered to 50 k–1 M+ cycles; preventive service in-house, Design-for-manufacturability reports, IQ/OQ/PQ support and offshore tool management
- Subprocesses: CNC Milling, Sinker EDM, Wire EDM
- Specifications:
  - Maintenance And Serviceability: In-house preventive maintenance, ultrasonic cleaning, quick-turn engineering changes - Mold PM interval logged by shot count; spares printed on Mantle within days.
  - Lead Time For Tooling Production: 2-12 weeks - 2–4 wks Mantle prototype; 8–12 wks complex multi-cavity production mold.
  - Tolerance Capabilities: Imperial: 0.0002-0.0005 in - Interchangeable cavity inserts ground for zero flash.
  - Maximum Tool Size: 1000L x 600W x 500H mm - Sized to fit 610-ton press envelope and 2-ton overhead crane.
  - Surface Finish (SPI Or Equivalent): SPI A1–A3, SPI B1–B3, SPI C1–C3, EDM VDI 12–40 - Mirror polish, semi-gloss, matte or EDM textures; chemical etch available.
  - Cavity Count (Single/Multi Cavity): Metric: 1-64 cavities - Higher cavitation achievable via family or duplicate tools.
  - Tooling Material Type: P20 pre-hardened steel, H13 hardened steel, 420 stainless, Aluminum QC-10/7075 - Material selected per volume, material abrasiveness and corrosion demands.
  - Cooling Channel Design: Drilled water lines, beryllium copper inserts & 3D-printed conformal cooling - Cycle-time optimization via Moldflow simulation.
  - Compatibility With Machinery (Press Size, Etc.): Designed for 28-610 ton Arburg/JSW/Engel presses; 101.6 mm max sprue bushing - Hot-runner manifold layouts matched to machine shot size & nozzle style.
  - Tool Life Expectancy: Metric: 50000-1000000 cycles - Depends on resin, mold steel and cavitation; class 101-103 per SPI.
  - Draft Angle Requirements: Metric: 0.5-2 deg - Smaller draft achievable with high-polish steels and ejection aids.
  - Dimensional Accuracy: Metric: 0.005-0.012 mm - Critical cores/cavities CNC- or EDM-finished; verified by CMM.

### Cleanroom Manufacturing

Westec Plastics operates a 989 ft² ISO Class 8 molding cleanroom backed by ISO Class 7 assembly and ISO Class 6 ultrasonic-clean/pack areas. Six 39–143 ton presses, ISO 13485 and ISO 18385 protocols keep parts in controlled air from molding through welding, printing and sealed packaging for medical, biotech and aerospace programs.

- Process: Cleanroom Manufacturing
- Highlights: ISO Class 6, 7 & 8 suites for molding, assembly and final pack, ISO 18385 DNA-free production for forensic diagnostics, In-room ultrasonic welding, pad printing and packaging, HEPA-filtered positive-pressure airflow with live particle monitoring
- Subprocesses: DNA-Free / ISO 18385 Molding, Ultrasonic Welding, Assembling
- Specifications:
  - Particulate Level Limits (Particles/M³): ISO 6 ≤ 35 200 @ 0.5 µm, ISO 7 ≤ 352 000 @ 0.5 µm, ISO 8 ≤ 3 520 000 @ 0.5 µm - Certified per ISO 14644; real-time particle counting ≥0.5 µm.
  - Positive Or Negative Pressure Differential: Metric: 10-15 Pa - Rooms maintained +10–15 Pa over ambient to block contaminants.
  - Air Change Rate Per Hour (ACH): Metric: 20-90 ACH - Class 8 ~20–25 ACH, higher classes up to 90 ACH for stricter control.
  - Cleanroom Class (ISO 1 Through ISO 9): ISO Class 6, ISO Class 7, ISO Class 8 - Three suites: 989 ft² Class 8 (molding), 244 ft² Class 7, 248 ft² Class 6.
  - Temperature And Humidity Control: 20 – 24 °C, 40 – 60 % RH - Maintained ±1–2 °C, ±5 % RH with dedicated HVAC systems.
  - Surface And Airborne Contamination Monitoring: Continuous particle counting, Monthly microbial swabs - QA logs real-time data; results linked to production lots.

### Secondary Operations & Value-Added Services

Beyond molding, Westec provides turnkey finishing, joining, decoration and logistics. In-house pad-printing (1–6 col), hot stamping, laser engraving, ultrasonic & vibration welding, heat-staking, tight-tolerance CNC post-machining, cleanroom or open-floor assembly and bar-coded kitting let customers receive fully finished, inspected and packaged products from a single ISO 13485 supplier.

- Process: Value Added Services
- Highlights: 1–6 color pad printing ±0.075 mm registration, Ultrasonic / vibration welding to 300 × 200 mm joint size, Heat-stake brass inserts M2–M5 in < 2 s/cycle, ±0.025 mm CNC post-machining for critical features, JIT kitting, cleanroom bagging and serialized labeling
- Subprocesses: Pad Printing, Hot Stamping, Laser Engraving, Ultrasonic Welding, Vibration Welding, Heat Staking, CNC Milling, Assembling, Packaging / Kitting
- Specifications:
  - Heat Staking Insert Size: Metric: 2-5 mm - M2–M5 inserts; validated pull-out strength for brass/stainless hardware.
  - CNC Post Machining Tolerance: Metric: 0.012-0.025 mm - Holes, flats, gate trimming; typical 3-axis or 4-axis CNC.
  - Ultrasonic Welding Envelope: 300L x 300W x 200H mm - Up to ~300×200 mm weld joint; 20 & 40 kHz tooling sets; cycle ~1–3 s.
  - Production Volume Supported: Prototype (1-50 parts), Short Run (51-2000 parts), Medium Run (2001-50000 parts), Mass Production (50001+ parts) - Scale from prototypes to high-volume programs with automated cells.
  - Pad Printing Capability: Up to 6 colours in one pass, Print area ≤ 100 mm Ø, Registration repeatability ±0.075 mm - Multi-station system with fixture-based alignment for precise multi-color prints.
  - Vibration Welding Part Footprint: 350L x 350W x 250H mm - Linear friction for large or irregular parts; cycle ~3–6 s.
  - Lead Time For Secondary Ops: 1-5 business_days - Standard finishing ~1–5 days; complex assemblies 1–2 weeks.
  - Laser Engraving Resolution: Metric: 50+ µm - Fiber laser can mark 2×2 mm DataMatrix or finer; ideal for logos/traceability.

## Certifications

- ISO 13485:2016 (Type: Certification; Authority: International Organization for Standardization (ISO); Status: Active; Scope: Quality management system for medical device component manufacturing under controlled cleanroom environments.; Issue date: 2021-03-15; URL: https://www.iso.org/standard/59752.html)
- Manufacturers Association for Plastics Processors (MAPP) Membership (Type: Membership; Authority: Manufacturers Association for Plastics Processors (MAPP); Status: Active; Scope: Professional membership in MAPP, focusing on best practices for plastics processors.; URL: https://mappinc.com)
- American Mold Builders Association (AMBA) Membership (Type: Membership; Authority: American Mold Builders Association (AMBA); Status: Active; Scope: Professional membership supporting U.S. moldmaking and tooling collaboration.; URL: https://amba.org)

## Industries Served

- Medical Devices & Healthcare Equipment: ISO 13485-certified molding of housings, fluid-path components, and disposables for diagnostic instruments, surgical devices, and single-use medical consumables.
- Pharmaceuticals & Biotechnology: Contamination-controlled molding for biotech labware, assay cartridges, and single-use bioprocess fittings.
- Aerospace & Defense: Durable, traceable thermoplastic parts meeting AS9100 and MIL-STD requirements for aircraft interiors, UAV systems, and defense electronics.
- Electronics & Semiconductors: Injection-molded EMI-shielded enclosures and wafer-handling components produced in ISO-Class cleanrooms.
- Industrial Machinery & Heavy Equipment: Rugged gear housings, pump bodies, and automation end-effectors for OEM industrial machinery and heavy-equipment platforms.
- Consumer Goods & Appliances: Cost-efficient, cosmetic-grade molding of consumer-product enclosures, appliance housings, and personal-care components with tight dimensional control and appealing surface finishes.

## Facilities

### Westec Plastics Headquarters & Manufacturing

The 46,000-ft² Livermore campus houses 23 injection-molding presses (28-610 tons), ISO Class 7 & 8 cleanrooms, a full CNC toolroom, and automated secondary-operation cells serving medical, biotech, aerospace, and high-tech industrial components.

- Type: manufacturing_facility
- Headquarters: Yes
- Email: sales@westecplastics.com
- Phone: +1 217-555-1234
- Address: 6757 Las Positas Road, Livermore, CA 94551, United States

## Verification Status

- Business Entity: Verified 7/9/2025
- Technical Capabilities: Verified 7/9/2025
- Locations & Facilities: Verified 9/8/2025
- Reviews & Ratings: Not yet verified
- MFR.ID Created: 5/21/2025
- Last Updated: 6/5/2026