
Cleanroom Injection Molding
Overview

At HiCOMP Cleanroom Injection Molding, we offer high-quality, precision products that meet the strictest quality standards.
Our cleanroom facility is ISO 7 rated, ensuring a sterile and controlled environment for manufacturing products that meet your exact specifications. Our skilled professionals use advanced technology and rigorous quality control procedures to provide you with the best possible service. Let us be your partner in producing high-quality, sterile products that meet the highest standards of cleanliness and hygiene.
Workflow
01
Receive Product Drawings and Specifications
04
Optimize Molds and Injection Molding Process
02
Conduct DFM (Design for Manufacturing) Analysis
05
Define SOP for Injection Molding Process and Quality Standards
03
Design and Manufacture Molds
06
Initiate Mass Production
Technologies & Processes
HiComp has developed a wide range of molds for various applications, including precision microfluidic chips for Single-cell Sequencing, Direct Elisa, and Flow Cytometry.
We also specialize in molds for life sciences consumables, such as 96-well and 384-well plates. With over 500 successful customer projects completed, HiComp is a trusted partner in providing high-quality, tailored molding solutions.

Key Categories of Mold Manufacturing
Key Advantages of HiComp Injection Molding
-
Precision Molds: Minimum feature size down to 2.5 µm using MEMS and high-speed CNC technologies (beyond conventional CNC metal molds).
-
Cleanroom Injection Molding: ISO 7(Class 10000) facility, with localized ISO 6(Class 1000) environments for higher cleanliness needs.
-
Integrated Solutions: Seamless connection of molded products with downstream processes such as bonding, surface functionalization, reagent storage & lyophilization, and assembly & automation.
Clean Room Gallery
Materials & Capabilities
Injection Molding Materials

Process Capabilities

Case Studies
24-Well Open-Bottom Plate for Optical Assays
Design-for-manufacturing optimization for precision biological devices with glass integration

Draw Angle Check

Filling Analysis
Customer Challenge
-
Open-bottom 24-well plate requiring thin optical interface compatibility
-
Risk of sink marks from thick wall regions
-
Tight dimensional control for glass bonding alignment
-
Need to ensure uniform filling without short shot
-
Weld lines and air traps expected due to multi-cavity geometry
Engineering Approach
-
Optimized wall thickness distribution to reduce shrinkage defects
-
Increased draft angles (1.5° → up to 5°) for reliable demoldingAdded locating features for glass alignment and assembly
-
Designed four-point gate cold-runner system for uniform filling
-
Verified moldability using Moldflow simulation: no short shot detected, controlled shrinkage (~0.74%), deformation <0.32 mm
Manufacturing Outcome
-
Material: GPPS (SECCO GPPS123 equivalent)
-
Part volume: 53 g
-
Cycle time: ~50 s
-
Mold: three-plate tooling (S136 steel)
-
Machine: 100-ton injection platform
-
Tool lifetime: 100,000 shots
-
Surface finish: Ra ≤ 0.02 achievable
-
Gate vestige controlled <0.25 mm




