
Comparison of typical application scenarios of silicone and rubber
Scenario |
Typical applications of silicone |
Typical applications of ordinary rubber |
Electronic appliances |
Mobile phone cases, buttons, seals (high voltage insulation), LED heat dissipation pads (low hardness buffer) |
Wire and cable sheaths (ordinary insulation), transformer seals (non-high temperature scenarios) |
Healthcare |
Medical catheters, baby pacifiers, surgical instrument trays (non-toxic, resistant to steam sterilization) |
Medical gloves (partial latex rubber), infusion bags (need to add plasticizers, not resistant to high temperatures) |
Automotive industry |
Engine insulation pads (resistant to 200℃), automotive LED lamp seals (UV resistant), new energy vehicle battery pack buffer pads |
Tires (high wear resistance), engine oil seals (nitrile rubber oil resistant), car door seals (EPDM weather resistant) |
Daily life |
Baking molds (resistant to 200℃), kitchen anti-slip mats (easy to clean), silicone coasters (non-toxic) |
Sports shoe soles (high elasticity), yoga mats (anti-slip), rubber water pipes (water resistant) |
In short: Silicone is the "noble" among rubbers, with better performance but higher cost; ordinary rubber is a "popular player", with a wider application but limited performance. When choosing, you need to weigh it according to specific needs (such as temperature resistance, safety, and cost).
Product advantages: Why choose AHD Silicone Sheets?
Compared with ordinary rubber sheets (such as nitrile rubber sheets, EPDM sheets), plastic sheets (such as PVC sheets, acrylic sheets) or metal sheets, the comprehensive performance of silicone sheets is more outstanding, especially in extreme environments or scenarios with high safety requirements:
1. Adaptability to extreme environments
Wide temperature range: conventional types are temperature-resistant from -60℃ to 200℃ (long-term), and high-temperature types can reach -100℃ to 300℃ (short-term), far exceeding ordinary rubber sheets (-40℃ to 120℃) and plastic sheets (such as PVC only 60℃).
Weather resistance: Strong resistance to ozone, ultraviolet rays, and oxidation, with a tensile strength retention rate of >80% after 10 years of outdoor exposure (only 50% for ordinary rubber sheets).
2. Safety and non-toxicity
Food grade certification: Can use food grade materials to meet food grade requirements,can directly contact food (such as baking molds, kitchen mats)
Medical grade safety: no precipitate, no allergenicity, in line with ISO 10993 standards, used for medical trays, surgical instrument pads;
Low volatility: no benzene, halogen (Br/Cl < 900ppm), in line with RoHS, REACH regulations, suitable for sensitive scenarios such as electronics and medical.
3. Balanced physical properties
High elasticity: Good resilience (compression permanent deformation <15%, after 24 hours of compression of 25%), height loss after repeated compression of 500,000 times <5% (about 10% for ordinary rubber sheets);
Buffering energy absorption: Excellent buffering performance is maintained at a density of 0.8~1.5g/cm³, and the energy absorption efficiency is more than twice that of PVC sheets;
Lightweight: The density is only 1/50~1/20 of that of metal, suitable for scenes with high weight reduction requirements (such as thermal insulation pads for aerospace).
4. Flexible processing and adaptability
Can be die-cut, stamped, and hot-pressed (bonded to metal/plastic at 150°C), and supports customized special-shaped parts (such as round gaskets and grooved buffer blocks);
The surface can be coated with silicone glue (such as Dow Corning SE1863) to enhance adhesion with other materials.
5. Aesthetic consideration
Aesthetic considerations are also at the forefront of our product offerings. Some applications require more than just functionality; they demand a visually appealing solution to enhance product design, brand identity, or customer experience. For example, industries like consumer electronics, automotive interiors, and medical devices often prioritize both performance and aesthetics to meet consumer expectations and regulatory standards. It is easy to adjust colors and can meet the aesthetic needs of customers.
Scope of application and specific application scenarios
1. Electronics and electrical
Electronic equipment buffer pads: shockproof pads for internal components of mobile phones and computers (such as batteries and motherboards) to absorb drop shocks (protect IC chips and screens);
Connector insulation pads: insulating buffer layers for high-voltage connectors (such as car charging piles), taking into account insulation (>10¹²Ω) and withstand voltage (>3kV);
LED heat dissipation pads: low hardness silicone sheets fill the gap between LED lamp beads and heat sinks to improve heat conduction efficiency (thermal conductivity 0.2~0.3W/m·K).
2. Medical and Food
Medical Equipment Trays: Medical-grade silicone plates (FDA certified) are used to store surgical instruments and medicine boxes, which are collision-proof and easy to clean.
Baking Molds: Silicone plates resistant to 200°C are used to make cake molds and chocolate molds, which are non-toxic and easy to demold.
Food Processing Gaskets: Transparent silicone plates are used for conveyor belt buffer layers (such as beverage bottle conveyor lines) and are resistant to steam sterilization (121°C high-pressure sterilization).
3. Automotive Industry
Engine Compartment Insulation Pads: Silicone plates resistant to 200°C are used between the engine and the wiring harness/oil pipe to prevent high-temperature aging.
Door Interior Buffering: Silicone plates are pasted under the door interior panels to reduce road noise (noise reduction of 5~10dB).
New Energy Vehicle Battery Pack Protection: As a buffer between battery modules, it absorbs vibration (frequency 10~100Hz) and insulates at the same time (prevents short circuits).
4. Industry and daily use
Precision instrument shock absorption: The inner lining of the transport box of laboratory spectrometers and chromatographs protects precision parts (such as optical lenses) from vibration damage.
Industrial protective pads: Anti-skid pads for machining workbenches, which are oil-resistant and water-resistant;
Sports equipment: Yoga mats, knee pads, which are soft, skin-friendly and anti-skid.
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