Mold Details
Liquid silicone half mask respirator mold can be customized with 2 to 4 cavities and adopts a cold runner system to minimize material waste while achieving high precision molding.
Mold core material: S136
Mold base material: P20
Number of cavities: 1
Runner: Cold runner
Number of cold nozzles: 1
Product name: Silicone-coated PA half mask
Machine used: vertical injection molding machine
Machine model: L6068
Description
Liquid silicone half mask respirator are widely used in industries requiring high levels of safety and comfort. They combine a soft, skin-friendly LSR sealing layer with a rigid thermoplastic framework to create a mask that is durable, reusable, and easy to clean.
Leveraging the biocompatibility, heat resistance, and flexibility of LSR, these liquid silicone half mask respirator remain comfortable and maintain their performance in a wide range of temperatures, from –50 °C to +250 °C.
TYM's mold solutions enable precise overmolding of LSR onto thermoplastic substrates, forming a seamless facial interface that ensures an airtight fit and long-term wearability. The final product is compatible with various filter cartridges, making it versatile for both industrial and healthcare environments.
Mold Design & Key Technologies
1. Advanced Overmolding and Insert Molding
State-of-the-art techniques are applied to bond LSR seamlessly to rigid substrates, creating strong mechanical and chemical adhesion between the two materials.
2. Cold Runner System for Material Efficiency
The cold runner system keeps the LSR material at an optimal temperature until injection, reducing waste, ensuring precise filling, and improving part quality.
3. Precision Engineering for Dimensional Accuracy
Mold structures are designed with allowances for thermal expansion and shrinkage, and optimized venting and gating systems guarantee defect-free molding.
4. High-Accuracy Manufacturing Processes
Utilizing high-precision CNC and EDM machining ensures tight tolerances, which is essential for consistent sealing performance in half mask respirator.
5. Medical-Grade Material Selection
Only certified medical-grade LSR is used, providing durability, resistance to sterilization, and hypoallergenic properties, ensuring compliance with stringent safety standards.
Applications
The silicone half mask respirator mold is designed for overmolding medical-grade LSR onto a PA/Nylon facepiece base, ensuring superior sealing performance and comfort for industrial, medical, and liquid silicone half mask respirator applications.
FAQ
Q1: Can this mold support multi-material overmolding?
Yes. The mold can perform multi-component or insert molding, combining LSR with thermoplastics, metals, or other materials to create masks with integrated rigid structures or functional parts in a single process.
Q2: Why is LSR ideal for respirator masks?
LSR is soft, hypoallergenic, odorless, tear-resistant, and retains flexibility across extreme temperatures. It supports high-temperature sterilization and offers excellent facial fit, making it the preferred choice for protective mask applications.
Q3: How do you ensure mold reliability and product consistency?
We employ cold runner designs, precision thermal control, and simulation-based mold optimization. Together with high-quality tool steel and strict quality inspection, these measures ensure consistent product performance over large production volumes.
Standard lead time is approximately 35 working days, with expedited production available for urgent orders.