High Performance Silicone Coated Fiberglass Fabric for Thermal Insulation & Welding Protection -70°C to +300°C

        Our Silicone Coated Fiberglass Fabric is a flexible fire-resistant and thermal protection material designed for welding protection,industrial insulation,removable insulation jackets,expansion joints,oil and gas equipment,electrical insulation,and harsh outdoor environments. Manufactured from high-strength fiberglass cloth coated with organic silicone rubber,the fabric combines the dimensional stability of glass fiber with the flexibility,weather resistance,water resistance,and surface durability of silicone.Designed for service across a broad temperature range from approximately -70°C to +300°C,this silicone fiberglass fabric remains flexible under both low-temperature and elevated-temperature conditions. Standard thicknesses range from 0.3 mm to 3.0 mm,with widths of 1.0 m,1.2 m,1.5 m,and 2.0 m available.Multiple colors and customized dimensions can be supplied for welding blankets,fire curtains,thermal insulation covers,flexible connectors,industrial equipment protection,and other applications requiring a durable coated fiberglass textile.

Silicone Coated Fiberglass Fabric Specifications

Key Advantages of Silicone Coated Fiberglass Fabric

1. Wide Operating Temperature Range

Silicone coated fiberglass cloth is designed for environments ranging from very low temperatures to elevated industrial temperatures.

The current product specification identifies an operating range of approximately:

• Minimum temperature: -70°C

• Maximum temperature: +300°C

This broad temperature range makes the material suitable for thermal insulation,industrial protection,outdoor equipment,and applications exposed to repeated heating and cooling cycles.

Actual continuous operating temperature should be confirmed according to coating thickness,exposure duration,mechanical load,and application conditions.

2. Excellent Flexibility

One of the key advantages of silicone coated fiberglass fabric is its combination of strength and flexibility.

The fiberglass base provides reinforcement,while the silicone coating helps maintain a soft and flexible surface.

The material can therefore be:

• Wrapped

• Folded

• Cut

• Sewn

• Draped

• Converted into covers

• Fabricated into flexible connectors

This makes it particularly useful for irregular equipment and removable insulation systems.

3. Good Weather Resistance

Silicone rubber provides resistance to environmental factors such as:

• UV exposure

• Ozone

• Oxygen

• Outdoor aging

• Temperature cycling

These characteristics make silicone coated fiberglass cloth suitable for selected outdoor industrial applications where ordinary untreated fabrics may deteriorate more quickly.

Actual outdoor service life depends on UV intensity,climate,installation,and maintenance conditions.

4. Waterproof Surface

The silicone-coated surface provides good resistance to water penetration.

This is particularly useful for:

• Outdoor insulation covers

• Pipe jackets

• Equipment protection

• Marine applications

• Industrial curtains

• Removable insulation blankets

Seams and stitched areas should also be properly designed when a highly water-resistant finished product is required.

5. Oil & Chemical Resistance

The silicone surface provides resistance to oils and selected industrial chemicals.

This makes the material suitable for environments such as:

• Oil and gas facilities

• Petrochemical plants

• Mechanical workshops

• Power plants

• Marine engine rooms

Chemical compatibility should be confirmed according to the specific chemical,concentration,temperature,and exposure duration.

6. Good Mechanical Durability

The fiberglass substrate provides strength and dimensional stability.

The silicone coating adds surface protection and helps reduce damage caused by repeated handling,abrasion,and environmental exposure.

This combination is useful for reusable industrial products such as removable insulation jackets and equipment covers.

7. Suitable for Welding Protection

Silicone coated fiberglass fabric can be used for selected welding blankets,welding curtains,and spark barriers.

The coated surface helps protect nearby equipment and work areas from welding sparks,grinding particles,and radiant heat.

For severe slag or direct flame exposure,a higher-temperature welding fabric may be required.

8. Electrical Insulation Properties

Fiberglass and silicone are both commonly used in electrical insulation applications.

The product can therefore be considered for:

• Generator insulation

• Transformer protection

• Electrical cabinets

• Flexible electrical barriers

• Insulated equipment covers

Where a specific dielectric strength is required,the relevant test method and certified material data should be confirmed before final selection.

9. Easy to Clean

The smooth coated surface is easier to wipe and clean than untreated woven fiberglass cloth.

This is useful in industrial environments where oil,dust,water,or other contamination may accumulate on the material.

10. Multiple Colors Available

Available colors include:

• Grey

• Red

• Black

• White

• Blue

• Transparent

• Orange

Different colors can be used for visual identification,finished product branding,work-area classification,or customer-specific requirements.

Applications of Silicone Coated Fiberglass Fabric

1. Welding Blankets

Silicone coated fiberglass fabric can be fabricated into welding blankets for protecting:

• Machinery

• Floors

• Walls

• Finished surfaces

• Nearby equipment

• Work areas

from welding sparks,grinding particles,and moderate radiant heat.

The appropriate fabric should be selected according to whether the blanket will be installed vertically or horizontally and the severity of slag exposure.

2. Welding Curtains & Spark Barriers

The material can be suspended vertically as a welding curtain or temporary spark barrier.

Typical applications include:

• Fabrication workshops

• Shipyards

• Maintenance facilities

• Construction sites

• Industrial plants

• Equipment repair areas

3. Removable Insulation Jackets

Silicone coated fiberglass fabric is widely suited to the outer shell of removable insulation covers.

Typical equipment includes:

• Valves

• Flanges

• Pumps

• Turbines

• Steam equipment

• Exhaust components

• Heat exchangers

• Process pipelines

The coated fiberglass exterior helps protect the internal insulation from moisture,oil,and mechanical handling.

4. Pipe Thermal Insulation

The material can be wrapped around insulated pipes or used as the outer fabric of fabricated pipe insulation jackets.

Applications include:

• Steam lines

• Hot water pipes

• Process piping

• Oil pipelines

• Chemical pipelines

• Marine piping

5. Fabric Expansion Joints

Silicone coated fiberglass fabric can be incorporated into flexible expansion joint systems.

These components accommodate movement caused by:

• Thermal expansion

• Vibration

• Equipment movement

• Duct misalignment

Typical installations include industrial ducts,exhaust systems,boilers,and ventilation equipment.

6. Oil & Gas Equipment Protection

The combination of weather resistance,oil resistance,water resistance,and flexibility makes silicone fiberglass fabric suitable for selected oil and gas applications.

Uses may include:

• Pipe wrapping

• Equipment covers

• Insulation jackets

• Flexible protective barriers

• Maintenance curtains

7. Petrochemical Applications

Silicone coated glass fiber fabric can be used in chemical and petrochemical facilities where thermal protection and resistance to industrial environments are required.

Chemical compatibility should always be evaluated according to actual process conditions.

8. Power Generation

The material can be used around:

• Generators

• Turbines

• Boilers

• Exhaust systems

• Electrical cabinets

• Insulated pipelines

Its flexibility makes it particularly useful for removable maintenance insulation.

9. Marine & Shipbuilding

Silicone coated fiberglass cloth is suitable for selected marine applications including:

• Engine-room insulation

• Exhaust protection

• Pipe insulation jackets

• Welding curtains

• Equipment covers

• Flexible thermal barriers

For regulated marine applications,required fire and smoke certification should be confirmed according to project specifications.

10. Aerospace & Aviation

The material may be used in selected thermal and equipment protection applications within aerospace and aviation industries.

Specific aerospace programs typically require additional traceability,flammability,temperature,and qualification documentation.

11. Industrial Machinery Protection

The coated fabric can be fabricated into covers for machinery and equipment exposed to:

• Heat

• Oil

• Water

• Dust

• Outdoor weather

• Temporary welding work

12. Construction & Infrastructure

Silicone fiberglass fabric can be used in selected flexible fire barriers,smoke-control systems,architectural protection systems,and industrial building applications where coated high-temperature textiles are required.

Silicone Coated Fiberglass Fabric Temperature Guide

The maximum temperature should not automatically be interpreted as an unlimited continuous-service temperature under direct flame.

Actual suitability depends on:

• Continuous or intermittent exposure

• Radiant heat intensity

• Direct flame contact

• Mechanical stress

• Coating thickness

• Installation method

Silicone Coated Fiberglass Fabric vs. Uncoated Fiberglass Cloth

Silicone Coated Fiberglass Fabric vs. High Temperature Welding Cloth

Silicone coating improves environmental resistance,water resistance,and handling,but it also means the finished composite has a different temperature limit than bare high-temperature mineral fabrics.

For welding operations involving heavy molten slag or temperatures above the silicone-coated fabric's specified range,a higher-temperature textile should be selected.

Silicone Fiberglass Fabric for Removable Insulation Covers

Removable insulation jackets require an outer fabric that can withstand repeated handling while protecting the internal insulation.

A typical removable insulation cover may contain:

• Silicone coated fiberglass outer fabric

• Fiberglass or mineral insulation layer

• Inner liner

• Stainless steel fasteners

• Drawcords or buckles

The removable design allows maintenance personnel to access valves,flanges,and equipment without permanently destroying the insulation system.

Silicone Fiberglass Fabric for Expansion Joints

Flexible fabric expansion joints are used in ducting and exhaust systems where rigid connections cannot accommodate movement.

Silicone coated fiberglass fabric can provide:

• Flexibility

• Air containment

• Weather protection

• Vibration accommodation

• Thermal movement capability

• Surface durability

The final expansion joint design should consider pressure,temperature,chemical exposure,movement direction,and cycle frequency.

How to Choose the Right Silicone Coated Fiberglass Fabric

Custom Silicone Coated Fiberglass Fabric

Customized production is available for different industrial applications.

Customers can provide required temperature,thickness,width,color,application,and quantity for product selection and quotation.

Quality Control

Consistent coating quality is essential for silicone coated fiberglass fabric.

Key inspection items include:

• Base fiberglass fabric condition

• Fabric thickness

• Finished thickness

• Width

• Silicone coating uniformity

• Coating adhesion

• Surface smoothness

• Color consistency

• Pinholes

• Cracks

• Delamination

• Edge condition

• Fabric flexibility

• Roll alignment

• Packaging integrity

For applications requiring specific dielectric,fire-retardant,weathering,or chemical-resistance performance,the corresponding test method and documented test data should be confirmed before making a formal compliance claim.

Packaging & Shipping

Silicone coated fiberglass fabric can be supplied in roll form or converted into finished industrial protection products.

Storage Guidelines

1. Store in a Dry Indoor Environment

Keep silicone coated fiberglass fabric in a clean,dry,and well-ventilated warehouse.

2. Protect from Excessive Heat

Avoid prolonged storage near heaters,furnaces,or other high-temperature equipment.

3. Keep Away from Direct Sunlight

Although silicone provides good weather resistance,long-term warehouse storage should avoid unnecessary direct UV exposure.

4. Protect the Coated Surface

Do not drag the fabric over sharp or rough surfaces that may damage the silicone coating.

5. Keep Packaging Sealed

Maintain the original protective packaging until fabrication or installation.

6. Avoid Excessive Compression

Do not place excessive weight on rolls,as compression may deform the fabric or coated surface.

7. Protect from Incompatible Chemicals

Avoid storage near aggressive chemicals that could affect the silicone coating.

Frequently Asked Questions About Silicone Coated Fiberglass Fabric

1. What is silicone coated fiberglass fabric?

Silicone coated fiberglass fabric is a composite textile made from fiberglass cloth coated with silicone rubber.

The fiberglass provides reinforcement and dimensional stability,while the silicone coating improves flexibility,water resistance,weather resistance,and surface durability.

2. What temperature can silicone coated fiberglass cloth withstand?

The current product specification identifies a temperature range of approximately -70°C to +300°C.

Actual continuous-use capability depends on operating conditions and exposure duration.

3. Is silicone fiberglass fabric fireproof?

It is a fire-resistant and heat-resistant coated textile intended for thermal protection applications.

However,the term “fireproof” should not be interpreted as unlimited resistance to direct flame or every fire condition.

Where a formal fire rating is required,the applicable test report should be confirmed.

4. Can silicone coated fiberglass fabric be used as a welding blanket?

Yes,for appropriate welding and spark protection applications.

For severe slag,direct flame,or very high-temperature exposure,a higher-temperature coated or refractory fabric may be more suitable.

5. Is silicone coated fiberglass cloth waterproof?

The silicone-coated surface provides good water resistance.

For a fabricated cover or blanket,overall waterproof performance also depends on seams,stitching,joints,and closure design.

6. Is it resistant to oil?

The current product specification identifies the silicone-coated surface as oil resistant.

For continuous exposure to a specific oil,fuel,solvent,or chemical,compatibility should be confirmed according to actual operating conditions.

7. Can it be used outdoors?

Yes,for selected outdoor industrial applications.

Silicone provides good resistance to UV,ozone,oxygen,and weather aging compared with many untreated fabrics.

Actual outdoor life depends on climate,installation,and exposure conditions.

8. What thicknesses are available?

Standard thickness options include:

• 0.3 mm

• 0.5 mm

• 0.8 mm

• 1.0–3.0 mm

9. What widths are available?

Standard widths include:

• 1.0 m

• 1.2 m

• 1.5 m

• 2.0 m

Custom widths can also be evaluated.

10. What colors are available?

Available colors include grey,red,black,white,blue,transparent,and orange.

Custom colors can also be supplied according to order requirements.

11. Can the fabric be sewn?

Yes.

One of the advantages of silicone coated fiberglass fabric is that it remains flexible enough for cutting,sewing,and fabrication into industrial covers,blankets,and curtains.

12. Is it suitable for removable insulation jackets?

Yes.

Removable insulation covers for valves,flanges,pumps,turbines,and pipelines are important applications for silicone coated fiberglass fabric.

13. Can it be used for expansion joints?

Yes.

The material can be incorporated into selected flexible fabric expansion joints where temperature resistance,weather resistance,and flexibility are required.

The final joint must be designed according to pressure,movement,temperature,and chemical conditions.

14. Can silicone fiberglass fabric provide electrical insulation?

Yes,the fiberglass and silicone construction can provide electrical insulating properties.

For applications requiring a specific dielectric strength,the relevant test data and test method should be confirmed.

15. What is Si-Titanium fire resistant fabric?

Si-Titanium or Si-Ti fabric is a commercial term used on this product page for silicone-coated fiberglass fire-resistant fabric.

For technical purchasing,the actual base fiberglass,coating type,finished thickness,and temperature rating are more important than the commercial name alone.

16. Is silicone coated fiberglass fabric suitable for 500°C or higher continuous operation?

This specific product is listed for approximately -70°C to +300°C.

Applications requiring substantially higher operating temperatures should use another high-temperature fiberglass or refractory textile specifically designed for those conditions.

17. What information should I provide when requesting a quotation?

For an accurate quotation,please provide:

• Required thickness

• Required width

• Required roll length

• Color

• Continuous operating temperature

• Peak temperature

• Application

• Welding or spark exposure if applicable

• Indoor or outdoor use

• Required quantity

• Destination country or port

• Roll material or finished fabricated product

These details help determine the most suitable silicone coated fiberglass specification.

Why Choose WGSC Composite?

WGSC Composite supplies silicone coated fiberglass fabrics,high-temperature textiles,and specialized glass fiber materials for thermal insulation,welding protection,oil and gas,power generation,marine equipment,and industrial applications.

Our silicone coated fiberglass fabric combines fiberglass reinforcement with a flexible silicone surface for applications requiring temperature resistance,weather durability,water resistance,and convenient fabrication.

Multiple thicknesses,widths,and colors are available,and the fabric can be supplied as roll material or converted into customized blankets,curtains,insulation covers,and industrial protective components.

Whether you are sourcing silicone coated fiberglass cloth for removable insulation jackets,silicone fire resistant fabric for welding protection,waterproof fiberglass fabric for outdoor equipment,or coated fiberglass fabric for flexible expansion joints,we can provide specification and customization support according to your operating conditions.

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Thickness · Width · Roll Length · Color · Operating Temperature · Application · Quantity · Destination

Contact WGSC Composite for silicone fiberglass fabric specifications,custom coated fabric requirements,and quotation support.