Silicone Coated Glass Bottle
The silicone coated glass bottle represents a paradigm shift in reusable packaging. By combining the chemical inertness of glass with the mechanical resilience of silicone, we offer a product that is:
- Shatter-Resistant: Ideal for children’s products, travel mugs, and outdoor gear.
- Ergonomic: The soft-touch silicone provides a non-slip grip, even when wet.
- Thermally Protective: Silicone’s low thermal conductivity keeps the contents hot or cold without burning the user’s hands.
Manufacturing a silicone coated glass bottle is a complex interplay of chemistry, thermodynamics, and precision engineering. Our investment in automated robotic handling, plasma treatment technology, and cleanroom manufacturing ensures that every bottle leaving our facility is not just a container, but a durable, safe, and beautiful piece of functional design.
Material Selection & Preparation
Glass Substrate
We begin with high-quality borosilicate or soda-lime glass. Borosilicate is preferred for premium lines due to its superior thermal shock resistance (withstanding temperature swings from -20°C to 150°C). Every glass batch undergoes a stringent optical inspection.
Silicone Compound
We utilize platinum-cured liquid silicone rubber (LSR). This silicone is selected for food-contact applications because it contains no organic peroxides, ensuring the bottle is free from by-products and safe for human consumption.
Quality Control & Testing
Every batch undergoes rigorous testing to meet international safety and durability standards (FDA, LFGB, and EU 10/2011):
We measure the force required to separate the silicone from the glass to ensure chemical bonding strength exceeds 20 N/cm².
Bottles are filled with liquid and dropped from heights of 1.2m to 1.5m. The silicone jacket acts as a shock absorber, reducing impact force by up to 60%.
Bottles are cycled from boiling water (100°C) to ice water (0°C) to ensure the coefficient of thermal expansion remains compatible.