Raw Materials – Page 3 – Heatecx Limited

Heatecx Limited

Raw Materials

Vulcanized Silicone Fiberglass Cloth

Vulcanized Silicone Fiberglass Cloth

Discover our advanced Vulcanized Silicone Fiberglass Cloth, a high-performance engineering solution designed for the most demanding applications. Also known as silicone fiberglass fabric or fiberglass with silicone coating, this composite material is manufactured from high-strength alkali-free fiberglass fabric, impregnated and coated with organic silicone rubber via calendering or dipping. One side features fully vulcanized (cured) silicone, while the other remains semi-cured, allowing for exceptional bonding during hot vulcanization processes. This high-temperature silicone cloth is ideal for creating integrated heater pads, offering continuous thermal resistance from -20°C to 280°C, excellent electrical insulation, and flame-retardant properties. Its innovative design ensures superior adhesion between the silicone and heating elements such as wires or sheets, resulting in a final product with unmatched insulation performance, high-temperature resistance, and flame-retardant properties. It is a versatile, high-performance coated flame-retardant blanket/fabric, halogen-free, and compliant with RoHS standards.
View details
Copper Tubes for HVACR and Heat Exchange

Copper Tubes for HVACR and Heat Exchange

Copper tubes for refrigeration and air conditioning are essential components in the HVACR (heating, ventilation, air conditioning, and refrigeration) industry, specifically designed for the efficient and safe conveyance of refrigerants, oils, and fluids. These seamless copper tubes are the global standard due to their exceptional thermal conductivity, high corrosion resistance, and superior durability. They are fundamental in the construction of copper heat exchangers, where they facilitate energy transfer in evaporators and condensers, optimizing the performance of industrial climate control and refrigeration systems. Brazing is the preferred method for joining these tubes, guaranteeing hermetic and robust connections that withstand the operational demands of modern equipment.
View details
Quartz Tube Transparent Opaque Translucent Capillary

Quartz Tube: Transparent | Opaque | Translucent | Capillary

We offer a versatile range of quartz tubes to meet a wide variety of application needs. The transparent quartz tube is ideal for applications requiring clear visibility and optimal light transmission, such as in photochemical reactors and monitoring systems. For applications needing uniform light diffusion or radiation protection, the opaque quartz tube is the perfect choice. The translucent quartz tube offers a balance between diffusion and transmission, making it excellent for heater elements and furnaces. Finally, our high-precision capillary quartz tube is fundamental for applications in microfluidics, chromatography, and laboratory analysis. Each type is available in various dimensions and can be customized to meet the specific requirements of your project, always guaranteeing maximum purity and performance.
View details
Flat Resistance Wire

Flat Resistance Wire

Flat resistance wire, also known as flat wire or resistive ribbon, is a specialized type of resistance wire manufactured from metallic alloys with high electrical resistivity. Unlike traditional round wire, its flat strip or ribbon design optimizes contact surface and heat dissipation, making it an ideal heater element for various industrial and commercial applications. This material is fundamental in the creation of precision heating elements, where uniform heat and durability are critical. The most common alloys include Nicromel (NiCr 80/20), Nickel-Chromium in various proportions, Iron-Chromium-Aluminum (FeCrAl), and Kanthal—each selected for their specific properties of temperature and corrosion resistance.
View details
Powdered Mica

Powdered Mica

Powdered Mica is a natural silicate mineral, specifically a potassium aluminum phyllosilicate, recognized for its unique laminar structure. This industrial mineral is characterized by its ability to split into extremely thin, flexible, and transparent sheets, conferring exceptional physicochemical properties. It is a functional filler and natural pigment widely used, valued for its high dielectric strength, low dielectric loss, resistance to electric arc, stability at high temperatures and to abrupt thermal changes, as well as notable resistance to acids and alkalis. Muscovite mica is the most common variety on the market, standing out for its versatility and performance in various industrial and consumer applications.
View details
Industrial Electric Heating Ceramics

Industrial Electric Heating Ceramics

Technical ceramic components for electric heating are structural and functional elements manufactured from advanced ceramic materials, such as alumina (aluminum oxide) or steatite, specifically designed to operate in high thermal and electrical demand environments. These components act as the insulating core and support in resistive heating systems, enabling the efficient conversion of electrical energy into heat. Thanks to their exceptional dielectric rigidity and low thermal conductivity, they ensure that electric current flows exclusively through the resistive element (such as Nichrome wire), preventing short circuits and dissipating heat in a controlled and uniform manner toward the target medium.
View details
Ceramic Spool-Type Insulators

Ceramic Spool-Type Insulators

Industrial ceramic insulators are essential components manufactured from advanced ceramic materials, designed to provide high-frequency electrical insulation and thermal resistance in demanding environments. These include Cordierite, known for its low coefficient of thermal expansion and resistance to thermal shock; Spool-Type Ceramics (often based on Steatite), which function as heater supports and industrial porcelain insulators; and ceramic duct insulators, such as mullite ceramic ducts or alumina ceramic insulating tubes. Their primary function is to electrically separate conductive components and support heating elements, ensuring operational safety and efficiency. They are available in various forms, such as multi-wire ceramics, two-way (or multi-way) insulators, ceramic beads, “bone-shaped” insulators, and grooved ceramics, adapting to specific wiring and heating configurations.
View details
High-Temperature Ceramic Terminal Blocks

High-Temperature Ceramic Terminal Blocks

High-quality ceramic terminal blocks are essential components for ensuring stable and safe electrical connections in extreme operating environments. Manufactured from high-frequency porcelain, these ceramic terminal blocks (Blocks) are designed to withstand exceptionally high temperatures, resisting ranges from 1200 to 1300 degrees Celsius without deformation or degradation. Their robust construction makes them the ideal solution for applications demanding high-temperature ceramic accessories and unwavering reliability. With a capacity of 250V and 15A, and featuring copper contacts with zinc-plated screws, they guarantee optimal conductivity and a long service life. They are perfect as terminal blocks for heater connections and as accessories for thermocouples, offering excellent insulation and resistance to shock and vibration.
View details
Alumina Ceramic Components

Alumina Ceramic Components

Alumina ceramic components represent the forefront of localized heat treatment technology. Fabricated from high-purity aluminum oxide (95% Al₂O₃), these parts undergo extreme sintering processes to ensure a dense molecular structure and unmatched mechanical strength. Their modular design—composed of interlocking beads or pearls—confers unprecedented geometric adaptability to the heater, allowing the heating system to bend, fold, and wrap with absolute precision around complex surfaces such as pipe elbows, industrial valves, and large-scale vessels. Acting as both a high-efficiency electrical insulator and a superior thermal conductor, these components ensure a constant and uniform heat flow from the Ni-Cr resistance wire to the base metal, eliminating cold spots and guaranteeing deep thermal penetration even in the densest metals.
View details
Steatite Ceramic Components for Heaters

Steatite Ceramic Components for Heaters

Our high-quality refractory ceramic train-type components and ceramic tiles are specifically designed for the manufacturing of ceramic band heaters, clamp heaters, and strap heaters. These components, made from materials such as steatite (talc) and alumina, ensure superior electrical insulation and exceptional thermal resistance in critical industrial processes.
View details
Silica Fiber Sleeve

Silica Fiber Sleeve – Temperature up to 1000°C

Silica fiber sleeve, also commercially known as thermal sleeving or spaghetti tubing, is the ultimate solution for component protection in extreme heat environments. Manufactured with an SiO2 content exceeding 96%, it ensures structural integrity where other materials fail.
View details
Heat Shrink Tube

Heat Shrink Tubing

Discover the efficiency and safety offered by our heat shrink tubing, a cutting-edge insulation and protection solution manufactured from radiation-crosslinked polyolefin. This product stands out for its excellent physical and electrical properties, providing reliable insulation and robust mechanical protection for cables, connections, and terminals. It is the ideal choice for applications requiring a durable heat-shrinkable insulating sleeve that contracts when heat is applied, forming a tight seal that protects against moisture, abrasion, and physical damage. Its halogen-free and flame-retardant design makes it a safe and environmentally friendly option for a wide range of industries.
View details