Silicone Fiberglass Sleeve – H Class

India’s leading Silicon fiberglass manufacturer in India and worldwide supplier. Get bulk silicon fiberglass sleevs at wholesale rate. Price that beats Silicone fiberglass dealer, exporter, trader and reseller in all over India.

Silicone Coated Fiberglass Sleeves – H Class Electrical Insulation

Silicone Coated Fiberglass Sleeves – H Class are high-performance insulating sleeves designed for applications requiring excellent thermal resistance, electrical insulation, and mechanical protection. These sleeves are manufactured from braided fiberglass yarn and uniformly coated with high-quality silicone rubber, providing enhanced flexibility, abrasion resistance, and long-term durability.

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Silicon Fiber Glass Sleeves Manufacturer in India

Our Silicone Coated Fiberglass Sleeves are manufactured according to industry quality standards to ensure reliable performance and safety. We offer these sleeves in different sizes, thicknesses, lengths, and diameters so they can easily fit various industrial and commercial applications. If you are looking for Acrylic fiberglass sleeve then we do have plenty of stock for this.

Silicone Coated Fiberglass Sleeves – H Class Electrical Insulation

The fiberglass core delivers strong mechanical strength and dielectric performance, while the silicone coating offers superior resistance to heat, moisture, oils, chemicals, and aging. Rated for Class H (180 °C) insulation systems, these sleeves are ideal for use in high-temperature electrical environments where safety and reliability are critical.

Silicone coated fiberglass sleeves are widely used for lead wire insulation, cable protection, motor windings, transformers, generators, and electrical appliances. Their flexibility allows easy installation over wires and terminals, while the robust construction ensures dependable insulation performance over extended service life.

Product Details

Product Name

Silicone Coated Fiberglass Sleeves

Insulation Class

Class H

Thermal Rating

180 °C

Base Material

Braided Fiberglass Yarn

Coating Material

Silicone Rubber

Size Range

Available in multiple inner diameters

Color Options

Natural, Red, Black, Grey (others on request)

Typical Applications

Lead wire insulation, motor and transformer wiring

End Use Industries

Electrical, industrial, automotive

Key benefits of our Silicone Coated Fiberglass Sleeve include:

Heat Resistant Silicone coating boosts the sleeve’s capacity to handle high temperatures, making it suited for use in heat-intensive conditions. We N number of Heat resistant sleeve available at oourstore
Insulation properties: The sleeve is suitable for use in the electrical and electronic industries to safeguard wires, cables, and components due to the exceptional electrical insulation provided by the fiberglass base.
Durable and flexible: The sleeve’s fiberglass core allows it to adjust to a variety of forms and sizes. The silicone covering increases durability, making it more resistant to abrasion and wear.
Chemically resistant: The silicone coating is resistant against a wide variety of chemicals and solvents, making the sleeves ideal for usage in tough industrial situations where corrosive compounds are widespread.

Silicone Coated Fiberglass Sleeve Utilization

Our Silicone Coated Fiberglass Sleeves are widely used across different industries because of their excellent heat resistance, insulation performance, and durability. Beside this we have ample of stock for Fiberglass insualted cables at wholesale rate in bulk quantity.
In the electrical and electronics industry, these sleeves help protect wires, cables, and electronic components from heat, electrical leakage, and external damage. In the automotive sector, they are commonly used for covering hoses, wiring, and cables inside engine compartments where high temperatures and mechanical stress are common.
These fiberglass insulation sleeves are also suitable for industrial machinery and equipment, especially in manufacturing environments where protection from heat and abrasion is important for smooth and safe operations.

Who us for Silcon Fiberglass Sleeves in India

Top rated silicon fiberglass sleeves supplier in India. Even exporter, distributor, trader and reseller of silicon fiberglass sleeves makes purchase from us
We are the leading Manufacturer & Exporter of Silicon Fiberglass Sleeves in India & across the globe. We never compromise on the materials utilized to create these products. All of these variables contribute to their durability and sonic performance. All of these items are highly resistant and beneficial in harsh environments where other brands have failed to make an impact. At the end of the day, we depend upon the faith that others give to us.
These items are extremely versatile, with applications in a variety of industries. Aside from that, the product is tested multiple times before it is released to the market. It has a big ability of carrying the power and also has a pleasant aspect of outside covering. The materials utilized to manufacture the products are extremely resistant to acids and other hazards. Check out our Aramid Papers as well because we have most prime quality.

Technical Specifications – Silicone Coated Fiberglass Sleeves (H Class)

Type	Testing Condition	Inflammability	Heat Resistance	Average Voltage	Individual Voltage
SRB-40	UL 1441	UL VW-1	+200°C ~ −60°C	4000 V	3000 V
SRB-70	UL 1441	UL VW-1	+200°C ~ −60°C	7000 V	5000 V

Item	Value
Continuous Operating Temperature	−60°C to +200°C
Temperature Endurance	200°C ±2°C, 168 hours ≥ 1/2 voltage value
Aging Test	200°C, 6 hours, no crack
Cold Bend	No crack
Horizontal Flame Test	< 30 seconds
(VW-1) Flame Retardance	< 30 seconds
Volume Resistance	10¹⁰ Ω·cm
Submerge Water Test	Non-tacky, no distortion, no softening

Inside Diameter		Wall Thickness
Nominal	Tolerance	4000 V	7000 V
0.5–2.0 mm	+0.30 / −0.00 mm	0.35±0.15 mm	0.40±0.15 mm
2.5–3.0 mm	+0.30 / −0.00 mm	0.40±0.15 mm	0.50±0.15 mm
3.5–5.0 mm	+0.35 / −0.00 mm	0.45±0.15 mm	0.55±0.15 mm
6.0–9.0 mm	+0.50 / −0.00 mm	0.50±0.15 mm	0.60±0.15 mm
10.0–12.0 mm	+0.70 / −0.00 mm	0.60±0.15 mm	0.65±0.15 mm