Core Value

In commercial heat sealing, plastic forming, and flat-surface warming, space is highly restricted. Engineers require a heat source that is incredibly thin, yet capable of delivering precise, uniform temperatures across a flat surface. Traditional tubular heaters are too bulky, and flexible silicone heaters cannot withstand the high temperatures required for metal platens.

The 220V 125W Stainless Steel Mica Strip Heater Element bridges this gap perfectly. The core of this element consists of premium Ni80Cr20 resistance ribbon wire, computer-wound for perfect heat distribution, and sandwiched between layers of high-dielectric mica insulation board. This internal assembly is then tightly compressed and folded inside a rigid stainless steel outer sheath. The result is a highly durable heating plate that is only a few millimeters thick, allowing for rapid thermal response times and minimal spatial interference.

The heater features two pre-drilled mounting holes perfectly aligned in the center of the plate. This allows the heater to be securely bolted directly against the metal surface it is heating, ensuring the intimate physical contact required for efficient conductive heat transfer.

To protect the electrical junction from high ambient temperatures and accidental short circuits, the threaded terminal studs are shielded by robust white ceramic insulator caps. This design prevents electrical tracking and provides a safe, insulated connection point for the power supply wiring.

• ✓ Ultra-Thin Profile: Flat mica construction delivers rapid, uniform conductive heat in highly confined spaces where standard heaters cannot fit.
• ✓ Direct Surface Mounting: Precision-drilled mounting holes allow for tight, bolted integration against metal platens and sealing jaws.
• ✓ Ceramic Terminal Protection: High-temperature white steatite ceramic caps shield the live electrical terminals, preventing arcing and shorts.
• ✓ Clear Identification: Clearly engraved with exact specifications (“110×63 220V 125W”) for effortless inventory management and field replacement.
• ✓ Direct OEM Manufacturing: Fully customizable dimensions, wattages, hole placements, and terminal styles supplied directly by HT HEATER.

Technical Specifications & Performance Data

Industrial Applications & Solutions

This compact, stainless steel mica plate heater is the thermal engine for specialized flat-surface heating equipment:

• Packaging Machinery: Bolted directly behind the metal sealing jaws of form-fill-seal (FFS) machines to melt and fuse plastic packaging films perfectly.

• Plastic Injection & Extrusion: Used to heat flat dies, extruder heads, and mold platens to maintain plastic flow viscosity.

• Commercial Food Warming: Installed beneath the flat metal surfaces of buffet hot plates, warming cabinets, and catering holding trays.

• Laminating Presses: Provides the uniform, edge-to-edge heat required for thermal presses and bookbinding equipment.

• Semiconductor & Laboratory: Delivers highly controlled, flat conductive heat for hot plates used in chemical curing and scientific testing.

Hongtai Heater Factory Advantage: Why Choose Mica Strip Heating Elements?

Installation & Handling Guidelines

• Mandatory Intimate Contact: The most critical rule of strip heater installation is that the flat face of the heater must make 100% flush, intimate contact with the metal surface it is heating. Any air gaps, dirt, or warping will act as a thermal insulator, causing the heater to overheat and burn out prematurely.

• Secure Bolting: Utilize the two pre-drilled mounting holes to bolt the heater tightly against the platen. Use high-temperature clamping plates if necessary to ensure the edges do not bow away from the surface during thermal expansion.

• Use Thermal Paste: For optimal lifespan and efficiency, apply a thin layer of high-temperature thermal conductive paste (anti-seize compound) between the heater and the metal surface to eliminate microscopic air pockets.

• Careful Terminal Wiring: When attaching ring terminals to the threaded studs beneath the white ceramic caps, do not overtighten the nuts. Excessive torque can crack the ceramic insulators or snap the internal connection to the resistance wire.

Customer Success Stories

Case 1:

Form-Fill-Seal (FFS) Packaging OEM (Taiwan)

• Application: Flat heat-sealing jaws for automated snack food bagging machines.

• Challenge: The OEM’s previous strip heaters had uneven internal wire winding. This created cold spots on the edges of the 110mm sealing jaw, resulting in unsealed bags and massive product waste on the factory floor.

• Solution: Partnered with HT HEATER to integrate the 220V 125W Stainless Steel Mica Strip Heater Element. Our CNC-wound internal ribbon wire ensured a perfect thermal profile across the entire 110x63mm plate.

• Results: 100% SEAL INTEGRITY. The perfectly uniform heat distribution eliminated all cold spots on the sealing jaws, reducing bag rejection rates to zero and allowing the machinery to run at higher speeds.

Case 2:

Commercial Catering Hot Plate Manufacturer (UK)

• Application: Low-profile buffet hot plates designed to hold food pans at a steady 75°C.

• Challenge: The hot plates were extremely thin, meaning standard tubular heaters would not fit. They needed a low-wattage, compact flat heater that could be bolted directly to the underside of the stainless steel serving surface.

• Solution: HT Heater supplied the 125W mica strip heaters with custom-drilled mounting holes. The low 125W output provided the perfect gentle warming required.

• Results: SEAMLESS LOW-PROFILE INTEGRATION. The heaters bolted flush against the serving surface, providing excellent conductive heat without taking up any internal space, resulting in a sleek, highly reliable commercial catering appliance.

Pricing & Procurement Options

• OEM Customization: Tailored shapes, custom cutout holes for pipe nozzles, specialized voltage/wattage configurations, and custom strap lengths.
• Lead Times: Custom samples: 3–5 working days. Bulk production orders: 8–12 working days upon technical drawing sign-off.
• Packaging & Shipping: Individually bagged with protective foam padding and packed into heavy-duty 5-ply export cartons to prevent bending or lead wire stress during international transit.
• Minimum Order Quantity (MOQ): Low MOQ starting at 5–10 units for custom dimensions; competitive volume pricing tiers for equipment manufacturers.

Global Certifications & Compliance

• CE Marking
  Fully compliant with European safety and environmental standards.
• LVD Compliance
  Low Voltage Directive tested for continuous thermal load safety.
• RoHS Compliant
  Constructed using environmentally safe, lead-controlled brass alloys.
• ISO 9001
  Certified quality control covering CNC machining, coil pressing, and electrical testing.

Quality Documentation: Certificate of Conformity (COC) and insulation resistance test reports included.

Comprehensive After-Sales Support

• • Warranty: 1-Year Comprehensive Warranty covering internal heating element and built-in sensor.

  • Technical Support: Application engineers available for wattage distribution calculation, thermocouple calibration, and nozzle fitting assistance.

  • Global Response Network: BACKED BY 30+ YEARS MANUFACTURING EXPERIENCE with technical inquiry feedback within 2 hours.

Ready to Optimize Your Injection Molding?

Next Steps:

• 📧 Request Custom Quote – Send your nozzle dimensions, wattage, voltage, and HT-CLW-450 drawing requirements.
• 🔧 Free Design Consultation – Work with our thermal engineers to optimize heat distribution and lead insulation.
• 📦 Order Test Samples – Evaluate thermal performance on your injection molding machine.
• 📞 Contact Hot Runner Experts – Response within 2 hours

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