Hot Equipment & Pipework
Valves, flanges, steam traps, pumps, exchangers and hot process lines can require removable insulation systems.
- Normal and peak temperature
- Direct contact vs insulated separation
- Radiant heat
- Removal and reinstall frequency
DERFLEX · Refinery Thermal Protection Material
Silicone Coated Fiberglass Fabric for Refineries
Heat-resistant coated fiberglass roll material for refinery and petrochemical insulation jackets, valve and flange covers, maintenance hot-work barriers, equipment shields and selected flexible industrial components.
DERFLEX can review one- or two-side silicone coating, fiberglass construction, total weight, thickness, width, color, roll format and conversion requirements. Refinery selection should be based on the temperature at the actual fabric layer, oil/steam/chemical contact, outdoor exposure, maintenance frequency and required test route—not on a generic “fireproof cloth” label.
1- or 2-Side Silicone Coating
Refinery Insulation Jackets
Hot-Work Protection
OEM Roll Supply
DERFLEX coated-fiberglass reference.
Final coating formulation, temperature capability, flame performance,
color, weight and refinery suitability must be confirmed for the ordered grade.
AI Overview
Direct Answer
Direct Answer
Why Is Silicone Coated Fiberglass Fabric Used in Refineries?
Silicone coated fiberglass fabric is used in refineries when a flexible textile must combine heat-resistant fiberglass reinforcement with a coated surface that is practical around pipes, valves, flanges and process equipment.
It is commonly evaluated for the outer or cold face of removable insulation jackets, reusable maintenance shields, selected hot-work barriers and flexible industrial components.
Oil mist, steam, water, outdoor weather, abrasion, shutdown maintenance and nearby process chemicals can matter as much as heat. The correct grade therefore depends on the temperature and exposure at the actual material layer.
Refinery Exposure Map
Specify the Fabric Around the Refinery Zone
“Silicone fiberglass cloth” can describe many different constructions. Define what reaches the fabric before comparing quotations.
Hot Work & Turnarounds
Shutdown welding, cutting and grinding create a different exposure profile from normal insulation service.
- Vertical curtain or horizontal blanket
- Spark and spatter severity
- Particle dwell time
- Required hot-work test method
Oil, Weather & Process Exposure
Moisture, oil and weather resistance can be useful, but process-media compatibility must be checked separately.
- Oil splash or mist
- Steam and condensation
- UV and outdoor rain
- Solvents, acids, alkalis or cleaners
Composite Structure
Fiberglass and Silicone Perform Different Jobs
Woven Fiberglass Core
Supplies dimensional stability, textile reinforcement and the thermal backbone of the composite. Weave and yarn construction affect drape and mechanical behavior.
Silicone Rubber Surface
Creates a flexible coated surface with useful resistance to moisture, oils, weathering and handling abrasion. The silicone can become the thermal limiting layer.
Finished Assembly
Thread, seams, closures, insulation, grommets, fasteners and hot-face materials can determine the actual performance of the completed refinery product.
Current DERFLEX silicone coated fiberglass programs publish approximately
260–2000 g/m2 and 0.25–3.0 mm as project directions. Many selected constructions
are discussed around approximately 230–287°C continuous silicone-surface exposure.
Confirm the exact grade before use.
Refinery Selection Matrix
Which Silicone Fiberglass Direction Should a Refinery Buyer Evaluate?
This table is an RFQ starting point, not finished-system engineering approval.
| Refinery Use | Starting Material Direction | Why It May Fit | Confirm Before Ordering |
|---|---|---|---|
| Valve & flange insulation covers | Flexible silicone-coated fiberglass; two-side coating often evaluated for repeated handling. | Supports complex shapes, maintenance removal and oil/moisture exposure. | Fabric-layer temperature, insulation core, steam/oil exposure, seams and closures. |
| Steam & process piping | Silicone-coated outer shell selected around weather and handling duty. | Useful for reusable outer shells exposed to condensation, rain and maintenance. | Outer-shell temperature, drainage, UV/rain and insulation thickness. |
| Pumps & heat exchangers | Balanced flexible coated fiberglass for removable equipment covers. | Flexible textile can accommodate irregular equipment geometry. | Vibration, oil leakage, sharp edges, cut-outs and attachment loads. |
| Shutdown welding barriers | Project-qualified welding blanket or curtain fabric; silicone fiberglass may be one option. | Can combine heat-resistant reinforcement with reusable coated surfaces. | Orientation, sparks, spatter, slag, distance and required test method. |
| Hot-work enclosure components | Only a grade qualified as part of the required enclosure system. | Coated fiberglass is used in industry hot-work enclosures. | Pressurization, ventilation, gas monitoring, certification and site hot-work procedures. |
| Expansion-joint / flexible layer | Silicone fiberglass for selected protective/flexible roles; compare PTFE for chemical barrier duty. | Can balance movement, weather, oil exposure and fiberglass reinforcement. | Gas chemistry, condensate, pressure, temperature, movement and clamp/seam design. |
Chemical compatibility: “Chemical resistant” should never be treated
as universal in a refinery. Provide the exact hydrocarbon, solvent, acid, alkali,
cleaning agent or condensate together with concentration, temperature and contact duration.
Layer Temperature
Metal Surface Temperature Is Not Automatically Fabric Temperature
Removable insulation covers frequently contain several layers. The silicone-coated outer shell may experience a much lower temperature than the equipment surface.
Hot Face
Receives the strongest direct heat. Higher-temperature fiberglass, silica or another specialty textile may be required depending on the application.
Insulation Core
Reduces heat flow and helps determine the temperature reaching downstream layers. Core design should follow the finished insulation-system requirements.
Outer / Cold Face
Silicone coated fiberglass is commonly considered here because handling, contamination, oil/moisture resistance and weathering can be important.
Quick Specification
Refinery Silicone Coated Fiberglass RFQ Framework
| Base Substrate | Woven fiberglass; E-glass or project-matched fiberglass construction. | Controls drape, textile strength and dimensional stability. |
|---|---|---|
| Coating | Silicone rubber on one side or both sides. | Select by exposure direction, handling, cleanability and coating mass. |
| Weight | Approx. 260–2000 g/m2 across current DERFLEX silicone-fabric programs. | Do not select by GSM alone. |
| Thickness | Approx. 0.25–3.0 mm depending on substrate and silicone loading. | Affects stiffness, seam bulk, folding and bend radius. |
| Common Widths | 1000 / 1200 / 1500 mm common directions. | Width affects cutting yield and seam quantity. |
| Colors | Red, grey, black, white, yellow and project-defined directions. | Useful for OEM programs and plant identification. |
| Temperature | Many selected grades are discussed around approx. 230–287°C continuous silicone-surface exposure. | Confirm exact grade and actual fabric-layer temperature. |
| Supply Form | Roll goods, slit widths, cut pieces or selected OEM conversion direction. | Match supply format to the converter workflow. |
Fabrication Engineering
Six Details That Can Control the Finished Refinery Cover
Actual Fabric Temperature
Provide normal heat, peak heat, duration, radiation and layer position.
Oil & Condensate
Identify oil mist, steam, wash-down fluid and process condensate separately.
Cut Edges
Trial binding, hemming or other edge treatment to control fiberglass fraying.
Sewing & Thread
Thread, stitch density and seam location must match heat and maintenance loading.
Closures
Straps, buckles, D-rings, lacing and grommets create concentrated loads.
Conversion Trial
Cut, sew, fold, install and remove the actual sample before approving bulk rolls.
Refinery Applications
Where Silicone Fiberglass Is Commonly Evaluated
Removable Insulation Jackets
Outer shells for valve, flange, pipe and equipment jackets where repeated maintenance access, moisture, oil contamination and flexible handling matter.
Flange & Valve Covers
Irregular geometry and repeated access require careful consideration of seams, closures, insulation layers and local reinforcement.
Welding Blankets & Curtains
Shutdown and maintenance operations may need spark, spatter and radiant-heat barriers. Horizontal and vertical applications require different material logic.
FR-Direction Fiberglass
Where a project specifies a defined flame-retardant requirement, provide the exact test method rather than requesting generic “fireproof fabric.”
Material Comparison
Silicone, PTFE or a Higher-Temperature Textile?
Silicone Coated Fiberglass
Strong starting direction where heat-resistant reinforcement, flexible handling, moisture/oil exposure and reusable fabrication must be balanced.
PTFE Coated Fiberglass
Worth evaluating when chemical resistance, release behavior, low friction or a barrier-oriented layer is more important.
Higher-Temperature Systems
For direct hot-face duty above the confirmed silicone-composite range, silica or another specialist textile/layered construction may be required.
Procurement Risk Control
Six Common Refinery Fabric Purchasing Mistakes
Buying by Maximum Temperature
Separate fiberglass temperature, silicone temperature, continuous duty and peak exposure.
Assuming Universal Chemical Resistance
Provide the real hydrocarbon, solvent, acid, alkali or cleaning media.
Calling the Finished Jacket Waterproof
Needle holes, seams and closures can remain possible water paths.
Comparing Only GSM
Weave, coating amount, thickness and flexibility can differ at similar weight.
Requesting “Fireproof Certification”
State the exact required test standard and acceptance criteria.
Skipping Converter Trials
Approve sewing, edges, closures and actual jacket geometry before bulk production.
DERFLEX Image Pack
Material & Hot-Work Reference Images
Real images hosted on DERFLEX.com.
Primary refinery heat-protection material reference.
Useful for coating, handling and converter discussions.
Shows the textile reinforcement below the coating.
OEM coating, color and roll-supply capability reference.
Sparks and orientation must be defined before fabric selection.
Additional technical textile and reinforcement reference.
RFQ Checklist
What Should a Refinery Buyer Send Before Sampling?
Service Conditions
- Finished product and refinery equipment type
- Fabric layer position
- Continuous and peak temperature
- Direct contact or radiant heat
- Oil, steam, water and chemical exposure
- Indoor/outdoor environment
- Removal and maintenance frequency
Material & Commercial Data
- Target weight or thickness
- One- or two-side coating
- Width, roll length and color
- Sewing and conversion method
- Required test standard
- Sample and bulk quantity
- Packing and destination
Related DERFLEX Resources
Continue Refinery Heat-Protection Material Selection
Silicone Coated Fiberglass Fabric
Core material specification and coating selection.
Removable Insulation Jacket Fabric
Layer, sewing and reusable jacket guidance.
Flange Covers & High-Temperature Gaskets
Adjacent refinery valve and flange protection applications.
Welding Blanket & Curtain Fabric
Hot-work roll material for sparks and spatter.
FR Silicone Coated Fiberglass
Defined flame-retardant material direction.
Technical Coated Fabrics
Broader industrial coating and OEM textile capability.
People Also Ask
Silicone Coated Fiberglass Fabric for Refineries FAQ
What is silicone coated fiberglass fabric used for in a refinery?
It is commonly evaluated for removable insulation jacket outer shells, valve and flange covers, maintenance shields, selected welding blankets and curtains, and protective or flexible industrial textile layers.
What temperature can silicone coated fiberglass fabric handle?
There is no universal temperature for every grade. Current DERFLEX material information discusses many selected constructions around approximately 230–287°C continuous silicone-surface exposure. The exact composite, duration and finished assembly must be confirmed.
Is silicone coated fiberglass fabric oil resistant?
Silicone-coated surfaces are commonly used where oils and industrial contamination occur, but compatibility should be checked against the specific refinery hydrocarbon, solvent, temperature and contact duration.
Is silicone fiberglass suitable for valve and flange insulation covers?
It is commonly considered for the outer or cold face because fiberglass supplies reinforcement while the silicone surface supports flexible handling, moisture/oil exposure and cleanability.
Should refinery insulation fabric be coated on one side or both sides?
One-side coating can suit directional exposure and lower coating mass. Two-side coating is often evaluated where both faces experience handling, moisture, oil or repeated cleaning.
Can silicone coated fiberglass be used for refinery welding habitats?
Silicone-coated fiberglass is used by industry suppliers in hot-work enclosure systems, but a welding habitat is a complete engineered safety system. Fabric alone does not establish enclosure certification or refinery hot-work compliance.
When should a refinery compare PTFE coated fiberglass?
PTFE may deserve evaluation when chemical resistance, release behavior, low friction or a chemical/gas barrier function is more important than the handling characteristics of a silicone surface.
What should I provide for a refinery fabric quotation?
Provide equipment/application, layer position, continuous and peak temperature, oil/steam/chemical exposure, target weight or thickness, width, coating side, color, conversion method, required test route, quantity, packing and destination.
Build the Refinery Fabric Specification Around the Real Service Conditions
Send DERFLEX the refinery asset or finished product, material layer position, continuous and peak temperature, oil/steam/chemical exposure, coating-side preference, target weight or thickness, width, color, fabrication method, required test route, quantity and destination. The team can review a practical silicone coated fiberglass fabric direction for sampling and quotation.