CENTROID POLYMER TECHNOLOGIES

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Stress control mastic provide stress relief of the electrical field in all MV cables joints and terminations for power cable applications. The stress control mastic with excellent stress controlling and self-sticking properties make it widely use in heat shrink and cold shrink technologies. Stress control mastic equilibrate the electrical field and reduce the electrical stress. Stress control mastic resistant to water and humidity, filling voids and irregular shapes.

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https://www.centroidpolymer.com/products/stress-control-mastic-tape

Also known as self amalgamating tapes,Used in filling the cable cores for insulation , sealing and waterproof performances. Suitable for use in 11KV, 25KV and 36KV joints and terminations.The unique waterproof tape for telecommunication, it consists of Butyl Rubber, with performance of adhesion, shape and super waterproof, it is also resistant to corrosion for Copper and various cable sheathing materials. The tape is suitable for water seal with all kinds of telecommunication [equipment] and cable connectors rated at 90℃ with an emergency overload rating of 130℃.

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https://www.centroidpolymer.com/products/butyl-mastic-tape

We manufacture silicone sponge profile tailored to your exact specifications. Owing to the varying complexities being evaluated on an individual basis, silicone sponge profiles are available in all custom-made designs. We provide the silicone sponges for clean rooms, telecom shelters, air tight door seal applications, bakery ovens, freeze doors, autoclaves, isolators, dry heat sterilisers and more. The most common profiles include square, rectangle,T-Sections,Blade/Leaf Seals,Arrowheads, Bubble Seals, Door Seals e-Sections, H-Sections, Hollow D-Sections,Hollow Strips, Keyhole Sections, L-Sections, Lip Seals, Omega Sections, P-Sections (Double,Large, Medium, small), Sponge D-Sections, sponge Square Sections, Strip Sections, Autoclave Seals, Tadpole Sections, Trapeze Sections, Triangle Seals, U Channels (Large,Medium,Small, Rounded), Window Seals, Tank Seal, Silicone Inflatable Seals

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https://www.centroidpolymer.com/products/silicone-sponge-cords-and-tubing

Vacuum Bagging Sealant Tape is a critical component in composite manufacturing, providing airtight seals during vacuum-assisted resin transfer molding and prepreg layups. Its high tackiness ensures secure adhesion to various tooling surfaces, maintaining vacuum integrity throughout the curing process. Designed to withstand elevated temperatures up to 204°C (400°F), it performs reliably in both oven and autoclave environments. Post-curing, the tape removes cleanly without leaving residue, streamlining the demolding process. Compatible with a range of bagging films and tooling materials, it is ideal for aerospace, marine, automotive, and wind energy applications. Available in multiple widths and thicknesses to suit diverse project requirements

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https://www.centroidpolymer.com/products/vaccum-bagging-sealant-tape

Provide robust sealing and corrosion protection for wastewater pipelines. Its superior adhesion to various substrates ensures long-lasting performance in harsh environments. The tape's flexibility allows it to conform to irregular surfaces, making it ideal for sealing joints and fittings in wastewater systems. Resistant to moisture, chemicals, and UV exposure, it maintains integrity over time. Easy to apply without special tools, it streamlines installation processes. Available in various widths and thicknesses to meet diverse application requirements.

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https://www.centroidpolymer.com/products/butyl-tape-for-pipe-wrap

Butyl sealant tape for marine construction and repair

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https://www.centroidpolymer.com/products/butyl-tape-for-boats-and-ships

Silicone Self-Fusing Tape is a versatile, non-adhesive tape that bonds to itself upon application i.e. a self-amalgamating tape ,forming a seamless, waterproof, and electrically insulating layer. Ideal for emergency repairs and insulation, it withstands extreme temperatures, UV exposure, and various chemicals. Common applications include sealing leaky hoses, insulating electrical connections, and wrapping tool handles

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https://www.centroidpolymer.com/products/silicone-self-fusing-tape

Designed for high-performance electrical insulation, sealing, and protection in harsh environments. It shrinks uniformly when heated, forming a tight seal around wires, connectors, or components. Made from high-purity silicone rubber, it offers excellent thermal stability and flexibility. Ideal for aerospace, medical devices, automotive, and high-voltage electrical systems. Resistant to heat, chemicals, UV, and moisture, ensuring long-term reliability. Available in various shrink ratios, wall thicknesses, and custom colors to meet application needs

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https://www.centroidpolymer.com/products/heat-shrinkable-silicone-tube

Cold Shrink Silicone Tubing is a pre-expanded, tool-free insulation solution ideal for cable joints and terminations. It requires no heat during installation, making it safe for use in potentially explosive or flammable environments. The tubing instantly shrinks onto cables once the core is removed, forming a secure and tight seal. Its flexible design makes it perfect for confined or narrow spaces in industrial and utility applications. Made from high-grade silicone rubber, it offers excellent thermal, UV, and moisture resistance. Ideal for telecom, power distribution, oil & gas, railways, and hazardous area installations.

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https://www.centroidpolymer.com/products/cold-shrink-tubing

Extruded silicone profiles are versatile sealing solutions used across various industries, including automotive, construction, medical, and food processing. Manufactured through precision extrusion processes, these profiles offer excellent flexibility, durability, and resistance to extreme temperatures. Available in a range of shapes—such as D, E, P, U, L and so on they provide effective sealing, insulation, and cushioning in diverse applications. Compliant with industry standards like FDA, UL, and ISO, they ensure safety and reliability. Their non-toxic and weather-resistant properties make them ideal for both indoor and outdoor use. Customizable in terms of size, color, and hardness .

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https://www.centroidpolymer.com/products/extruded-silicone-profiles

We offer custom cutting of silicone profiles to any length. Our in-house equipment ensures precision and efficiency. We also specialize in joining silicone profiles. Our presses enable the creation of glued or vulcanized rings in any size.

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https://www.centroidpolymer.com/products/cut-to-length-silicone-profiles-and-joined-rings

We provide high quality, reliable adhesive backing for flat sheets, punched gaskets, and extruded profiles. These profiles feature a pressure-sensitive adhesive backing that ensures secure attachment to surfaces without the need for additional fasteners. They offer excellent resistance to extreme temperatures, UV radiation, and environmental factors, making them suitable for both indoor and outdoor applications. Available in various shapes and sizes, they provide effective sealing, insulation, and cushioning. Compliant with industry standards such as FDA and ISO, they are ideal for applications requiring hygiene and safety

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https://www.centroidpolymer.com/products/adhesive-backed-silicone-profiles

Our EMI-shielded products range from electrically conductive elastomers in molded, extruded, die-cut forms. EMI shielding silicones are elastomeric compounds infused with conductive particles such as nickel-graphite, silver-aluminum, or silver-coated copper. This composition enables the silicone to conduct electricity, allowing it to reflect or absorb electromagnetic waves that could otherwise disrupt electronic circuits.

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https://www.centroidpolymer.com/products/emi-shielding-silicone

Co-extrusion is a versatile manufacturing process that combines two or more plastics into a single product. This technique allows for the creation of materials with unique and enhanced properties, such as increased strength, corrosion resistance, and improved insulation.The process involves extruding multiple thermoplastic materials through a single die with multiple openings. These materials merge and fuse together, forming a single, multi-layered part. This allows for the combination of different materials with varying properties, such as rigid and flexible materials, or materials with different colors (e.g., clear and opaque). Co-extrusion offers significant advantages, enabling the production of complex products with tailored properties that would be difficult or impossible to achieve with single-material extrusion.

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https://www.centroidpolymer.com/products/co-extrusion-profiles

Silicone Electrical Conductor Line Insulating Sleeves Button Lock, These Insulation sleeves or conductor covers are used where connections need to be taken without full insulating or covering the line, This helps in reducing the direct contact between a nearby high voltage line and opened regularly for inspection.

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https://www.centroidpolymer.com/products/silicone-insulating-sleeves-button-lock-type

Silicone Insulation Sleeves known as Conductor Covers, HT Insulation Sleeves, lockable conductor covers are a perfect insulation solution for already existing lines to reduce voltage inductions and avoid wildlife, vegetation induced failures or breakdowns. We have a number of solutions for overhead lines, jumpers, substation lines etc. These are press lock type and the details can be shared on further enquiry.

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https://www.centroidpolymer.com/products/silicone-insulating-sleeves-press-lock-type

Silicone Electrical Conductor Line Insulating Sleeves Double Lock Type also known as overhead conductor cover is the efficient design which can withstand voltages above 33kV without any use of sealants, tapes and other accessories. This model is our own designed model which protects your HT lines and overhead line covers from wildlife and vegetation and can be applied by less skilled workers. In lines where vibrations happens or wind effect is there this will not open itself and remain firm and fixed.

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https://www.centroidpolymer.com/products/silicone-insulating-sleeves-double-lock-type

Silicone Electrical Conductor Line Insulating Sleeves Self Lock Type also known as Silicone HT or High Voltage Conductor Cover is the suitable solution for wildlife protection and avoiding interruptions , reducing induction voltages in high voltage lines both existing and new. These insulation sleeves are wrap around type over the conductors and is anti tracking and inflammable.

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https://www.centroidpolymer.com/products/silicone-insulating-sleeves-self-lock-type

Airtight Inflatable Gaskets are manufactured from high-quality silicone rubber, these seals inflate to conform to irregular surfaces, ensuring reliable sealing even in challenging environments. They are ideal for applications requiring frequent access, such as autoclave door seals, cleanrooms, and processing equipment, where traditional seals may not suffice. With excellent resistance to extreme temperatures, chemicals, and UV exposure, silicone inflatable seals maintain integrity over time. Customizable in terms of size, shape, and inflation methods.

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https://www.centroidpolymer.com/products/silicone-inflatable-seal

Silicone O-Rings are high-performance sealing components ideal for static applications requiring temperature and chemical resistance. Manufactured from premium-grade silicone rubber, they provide excellent flexibility and long-term sealing reliability. Perfect for food, medical, pharmaceutical, and industrial use due to their non-toxic and FDA-compliant formulation. These O-rings withstand extreme temperatures from -60°C to +230°C without losing elasticity or shape. They offer resistance to UV, ozone, and a wide range of chemicals, ensuring durability in harsh environments. Available in various sizes and custom dimensions for sealing in pumps, valves, and precision equipment.

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https://www.centroidpolymer.com/products/o-rings

A gasket is a flat seal used to prevent fluid or gas leakage between mating surfaces. It’s typically made of compressible material like rubber or metal. While all O-rings are technically gaskets, not all gaskets are O-rings. O-rings have a specific circular cross-section, unlike other gasket shapes.

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https://www.centroidpolymer.com/products/gaskets

Rubber Bellows, Boots, Gaiters, and Dust Cover Seals protect moving components from dust, dirt, moisture, and mechanical damage. They act as flexible barriers, preventing wear and failure in automotive, industrial, and machinery systems. Commonly used as gaiters in steering systems, shock absorbers, actuators, and hydraulic cylinders. Manufactured using high-grade EPDM, NBR, silicone, or neoprene for resistance to heat, oil, ozone, and chemicals. Flexible and durable, they absorb vibration and allow multi-directional movement without cracking. Available in a variety of shapes and custom sizes to fit shafts, joints, and housings. Ideal for long-term sealing in harsh environments across automotive, aerospace, and industrial sectors.

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https://www.centroidpolymer.com/products/rubber-bellows-boots-and-dust-cover-seal

Rubber Grommets are protective components used to shield cables, wires, and pipes as they pass through panels or sharp openings. They prevent chafing, cutting, or damage caused by vibration, friction, or sharp edges. Commonly used in automotive, electrical, machinery, and appliance industries. Made from high-quality EPDM, silicone, or NBR rubber for durability and flexibility. Available in push-in, blind, open, and multi-hole designs to suit various installation needs. Resistant to heat, ozone, oil, and weathering for indoor and outdoor applications. Offered in standard and custom sizes for OEM and replacement use.

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https://www.centroidpolymer.com/products/rubber-grommets

We offer in-mold bonding of rubber to various substrates at our advanced facility. Bond rubber to metals (steel, brass), ceramics, PTFE, nylon, and many plastics. This creates a stronger bond than post glueing. Our expert technicians can help you find the best solution for your application. Applications include anti-vibration mounts, dampers, suspension bushes, bonded diaphragms, and valve seats.

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https://www.centroidpolymer.com/products/rubber-bonded-products

We specialize in manufacturing Silicone Sponge Cords, Silicone Foam Tubing's, Silicone Sponge Sections ,Custom Silicone Sponge Extrusions, Special Grades. Silicone sponge profiles, available in both open-cell and closed-cell structures, offer versatile solutions for sealing, cushioning, and insulating applications across diverse industries. Their adaptability, durability, and compliance with stringent standards make them a preferred choice for applications requiring precision and longevity

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https://www.centroidpolymer.com/products/silicone-sponge-cords-and-tubing

Silicone thermal pads are essential thermal interface materials (TIMs) designed to efficiently transfer heat between electronic components and heat sinks. These high thermal conductivity silicone pads are infused with thermally conductive fillers, they conform to surface irregularities, filling air gaps that impede heat flow. With thermal conductivity typically ranging from 0.8 to 15 W/m·K, they ensure optimal heat dissipation, enhancing the performance and longevity of devices. Operating effectively within a temperature range of -40°C to +200°C, silicone thermal pads are widely used in applications such as CPUs, GPUs, LED lighting, automotive electronics, and power modules. Their electrical insulation properties and ease of installation make them a preferred choice for reliable thermal management

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https://www.centroidpolymer.com/products/silicone-thermal-pads

We make FDA-compliant, medical grade Ethyl Vinyl Acetate (EVA) tubing in various sizes, lengths & grades, widely used across industries for fluid transfer, insulation, and protective applications. Its unique combination of flexibility, chemical resistance, and non-toxicity makes it suitable for sectors such as medical, food and beverage, agriculture, and industrial processing.

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https://www.centroidpolymer.com/products/eva-tubing

A **TPE U-Channel Gasket** is a flexible, durable sealing strip made from Thermoplastic Elastomer (TPE), designed to fit over edges for cushioning and protection. It provides excellent resistance to weather, chemicals, and abrasion, making it ideal for automotive, industrial, and household applications. Easy to install, it ensures a secure, long-lasting seal.

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https://www.centroidpolymer.com/products/tpe-u-channel-gasket

Thermoplastic polyurethanes (TPU) excel in applications demanding tear strength, abrasion and flex fatigue resistance. TPU’s resistance to ozone, extreme temperatures, and abrasion makes it ideal for harsh environments. It’s commonly used in sporting goods, tubing, wire, protective coatings, and medical devices.TPU offers versatile processing and performance characteristics. It can be colored with masterbatches and is naturally transparent (UV stabilization is recommended to prevent yellowing). Like TPRs, TPUs are combustible but can be made self-extinguishing with additives. While painting and lacquering typically require a primer, TPU can be mirror welded. It exhibits good resistance to oils and greases but less so to acids and alkalis. TPU can bond to itself (different colors), as well as hard PVC, ABS, ASA, PMMA, and PC.

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https://www.centroidpolymer.com/products/thermoplastic-polyurethanes-tpu-tpu

Thermoplastic vulcanisates (TPE-V or TPV) offer improved performance over TPE-O. They are also compounds of PP and EPDM rubber, but have been dynamically vulcanised during the compounding step. They are increasingly being used for automotive seals, pipe seals, and other applications where a heat resistance of up to 120°C is required.

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https://www.centroidpolymer.com/products/thermoplastic-vulcanizates-tpv-tpe-v-or-tpv

Styrenic block copolymers (TPE-S) are composed of distinct hard and soft segments. Styrene blocks provide thermoplasticity, while butadiene mid-blocks impart elastomeric properties. These versatile materials find applications in footwear, adhesives, bitumen modification, seals, and grips, particularly where high chemical and aging resistance is less critical.

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https://www.centroidpolymer.com/products/styrenic-block-copolymers-tps-tpe-s

Thermoplastic Elastomers (TPEs are versatile materials combining the processability of plastics with the rubber like flexibility of elastomers. They are customizable, enabling engineers to tailor properties like flexibility and durability for specific applications. TPEs offer a cost-effective alternative to silicone in various industries, finding widespread use in medical equipment and consumer products. Thermoplastic Elastomers (TPEs) combine the flexibility and elasticity of rubber with the processability of thermoplastics. They can be melted and reshaped repeatedly, making them both durable and environmentally friendly. This unique characteristic allows for efficient manufacturing and the potential for recycling. We produce TPE rubber extrusions in a wide variety of vibrant and translucent colors. Our non-staining TPE rubber complies with relevant industry standards. Extruded profiles come in various shapes, including U-channel, P-channel, and D-channel, among others. These represent standard profiles commonly used in various industries.

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https://www.centroidpolymer.com/products/thermoplastic-elastomers-tpe

PTFE’s performance can be tailored by blending it with other materials, creating specialized com pounds with enhanced physical properties. We offer a wide range of filled PTFE compounds, incorporating materials like bronze, carbon fiber/powder, colorants, glass fiber/bead, graphite, molybdenum disulfide, polyimide, and Ryton, to improve wear, friction, compressive strength, conductivity, and creep resistance.

https://www.centroidpolymer.com/products/ptfe-fillers

PTFE can be bonded to rubber, metal, and plastic using a variety of methods, including chemical etching, machining, and resin adhesives. The resulting bond can be durable and long-lasting.

https://www.centroidpolymer.com/products/ptfe-bonded-products

Centroid Polymer Technologies can chemically etch the surface of PTFE. PTFE is an amazing non stick material, but what about when you need to glue it to the surface of another material ? In order to bond standard PTFE to another surface such as Rubber process called “etching” is required. Etching is a chemical process that removes the fluorine atoms from the surface layer of the fluoropolymer.

https://www.centroidpolymer.com/products/ptfe-etching-service

PCTFE (POLYCHLOROTRIFLUOROETHYLENE) A Homopolymer of Chlorotrifluoroethylene PCTFE excels in extreme conditions. It maintains its physical properties at extremely low temperatures and exhibits exceptional dimensional stability due to its negligible moisture absorption. This unique fluoropolymer also retains its electrical properties in high- humidity environments. PCTFE excels in demanding environments due to its exceptional chemical resistance, outstanding temperature range (-240°C to 193°C), and inherent flame resistance. Its remarkable dimensional stability, stemming from the lowest coefficient of thermal expansion among unfilled fluoropolymers, makes it ideal for critical applications. Aerospace and cryogenic applications heavily utilize PCTFE, leveraging its unique combination of properties to withstand extreme conditions.

https://www.centroidpolymer.com/products/pctfe-polychlorotrifluoroethylene