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SILICONE EXTRUSION PRODUCTS: SMALL IN SIZE, STRATEGIC IN VALUE

1. What is Silicone Extrusion? 

Silicone extrusion is the process of shaping silicone material by pushing it through a die to form continuous profiles with a fixed cross-section—such as gaskets, tubes, rods, and custom technical profiles.

Unlike injection molding, which creates complex parts in closed molds, extrusion allows continuous production with flexible lengths, making it ideal for:

  • Weather seals in automotive glass,
  • Medical-grade tubing,
  • Technical profiles for electronics, appliances, etc.

2. Why Is Silicone Extrusion a Strategic Material?  

CriteriaSilicone ExtrusionPlastic ExtrusionTraditional Rubber
Heat ResistanceUp to 230°C90–110°C~100–120°C
UV, Ozone, Weather ResistanceExcellentModeratePoor
BiocompatibilityFDA, USP Class VI compliant options availableLimitedLimited
RecyclabilityNot mechanically recyclable, but long-lastingRecyclable, but degrades fasterDifficult
High-end Industrial UseMedical, aerospace, food-gradePackaging, interiorsTransport, machinery

In short: Silicone extrusion is not just a material—it’s a technical solution for industries demanding durability, stability, and non-toxicity. In a world racing toward green, safe, and sustainable materials—silicone is rising.

3. Strategic Questions Worth Challenging

❓ “Why do major global brands choose silicone extrusion for mission-critical components?”

Look at Apple: they use silicone in earphones, chargers, tubing. Not because it's cheap, but because it’s consistent, stable, and refined—aligned with their brand’s DNA.

❓ “Why haven’t Vietnamese manufacturers fully leveraged this technology?”

Most still treat silicone as a supporting component, rather than a core engineering solution. Few invest in advanced R&D (multi-durometer profiles, co-extrusion, reinforced layers…). This is a strategic gap worth exploiting.

4. Strategic Outlook: Product Diversification & Market Expansion

🌍 Promising Industries:

  • Medical: Tubing, autoclave gaskets
  • Food Processing: Seals for cold storage, ingredient transfer tubes
  • Automotive / EV: Vibration dampeners, thermal insulation sleeves

🧠 Product Development Strategies:

StrategyDescriptionExample Use Case
Co-extrusionCombines two different hardness layersDoor gasket: hard core for structure + soft edge for sealing
ReinforcementAdds fiberglass/nylon for tensile strengthPressure-resistant silicone pump tubing
Thermal/Electrical CustomizationAdjusts conductivity or insulationSilicone profiles for circuit boards

 

5. Final Thought: It's Time to Rethink Silicone

Silicone extrusion is no longer a low-tier auxiliary item. In the hands of technical innovators, it becomes a strategic weapon—enabling premium, sustainable, and next-gen product design.


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HCR, LSR, and Extrusion