Silicone Heater For Blood Warmer
Product Details
Jaye Heater Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of silicone heater for blood warmer in China, also supports custom service. Welcome to wholesale high quality silicone heater for blood warmer at competitive price from our factory.
Products Description
Silicone Heater for Blood Warmer
In emergency and ICU settings, cold blood straight from storage can cause hypothermia. That's where these medical-grade silicone heaters come in. Built as ultra-flexible, custom-molded pads, they wrap directly around heat exchangers or feature built-in grooves to hold IV tubing. Their sole job is to safely lift blood and fluids to body temperature ($37^\circ\text{C}$) in a steady, uniform stream before it reaches the patient.
Engineering Specs
| Key Parameter | Standard Range | Quick Notes |
| Thickness | 1.5mm to 1.8mm | Can go down to 1.0mm for compact medical devices. |
| Working Voltage | 12V to 240V (AC/DC) | Low voltage (12V/24V) is highly recommended for portable blood warmers. |
| Power Density | 0.1 to 0.8 W/cm² | We keep this low for medical gear to ensure smooth, uniform heating without hotspots. |
| Temperature Limits | -60°C to +200°C | Runs best and lasts longest when kept under 150°C during daily use. |
| Waterproof Level | IP65 / IP67 standard | Fully sealed silicone shell. Safe for regular alcohol or disinfectant wipes. |
Where They Are Deployed
- Rapid blood transfusion systems in operating rooms and trauma bays.
- Continuous renal replacement therapy (CRRT) and hemodialysis loops.
- Constant-temperature laboratory incubators and automated blood analyzers.
Design Features of Medical Silicone Heaters
Looking at how these heating pads are built for blood and fluid warmers, they typically stand out through a few main physical features:
- Flexible & Ultra-Thin Build Usually colored bright orange, light blue, or gray, these pads are kept incredibly thin. This gives them the high flexibility needed to wrap tightly around complex metal heat exchangers or cylindrical chambers without leaving any air gaps.
- Molded Openings & Custom Geometry They are never just simple rectangles. The surface is custom-molded to match the device layout, featuring precise pre-cut screw holes, built-in pockets for temperature sensors, and raised protective sleeves to seal the wiring terminals.
- High-Density Etched Foil Circuits If you look closely inside, the internal heating element uses fine etched foil tracks instead of bulky wires. This tight, uniform distribution prevents dangerous hot spots and ensures the blood or fluid gets perfectly even heat transfer across the entire contact area.
FAQ
Q: Should I choose a wire-wound circuit or an etched foil circuit for my design?
A: It depends on what your device needs. If your heater will face frequent bending, flexing, or mechanical stress, wire-wound elements are better because they have high tensile strength. However, if you need tight temperature control with absolute zero hotspots-like in medical blood warmers-etched foil is the industry standard. It offers much higher density, tighter spacing, and uniform heat transfer.
Q: Can we integrate an NTC thermistor, PT100, or a thermal fuse directly inside the silicone layer?
A: Yes, absolutely. We regularly vulcanize NTC 10K/100K sensors, PT100 elements, or bi-metal thermostats directly inside the silicone insulation. Placing them inside the pad allows for real-time, direct-contact temperature monitoring, which is crucial for preventing runaway heating or damage to your system.
Q: Which mounting method holds up best over time: 3M backing (PSA) or mechanical fasteners?
A: For operating temperatures consistently under $150^\circ\text{C}$, a 3M pressure-sensitive adhesive (PSA) backing works perfectly and makes installation incredibly fast. But if your application regularly runs hotter than $150^\circ\text{C}$, we recommend using mechanical fasteners (like springs, hooks, or eyelets) or applying vulcanizing RTV silicone glue to prevent the pad from bubbling or peeling off over time.
Q: Are these heaters fully waterproof for wet environments, and can they handle disinfectant wipe-downs?
A: They are fully moisture-resistant and can achieve an IP65 or IP67 rating when built with our molded silicone lead wire boots (strain reliefs). The silicone outer shell stands up great against chemical exposure, making it perfectly safe for regular sanitization with alcohol or standard medical-grade disinfectant wipes.
Q: What is the typical tooling cost and lead time if we need a custom shape or wattage layout?
A: Because standard sizes rarely fit specialized enclosures perfectly, almost everything we do is tailored to order. Tooling fees for a custom silicone mold are very reasonable and depend entirely on the physical footprint of your drawing. Once we lock in your design layout, custom prototype samples generally take about 15-20 working days to ship out.
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