PTFE Coated Fibreglass Fabric Pressure Sensitive Adhesive Tape
Manufacturer: Saint-Gobain Performance Plastics (CHRTape)
Product Family: CHR® Series
Backing: PTFE-impregnated fibreglass fabric with laminated PTFE film
Adhesive: High-temperature silicone PSA
Operating Temperature: −73°C to +260°C (−100°F to +500°F)
Colour: Brown
Overview
CHR Brown SGB6 is a high-performance PTFE coated fibreglass fabric tape engineered for demanding thermal, chemical, and abrasion-resistant environments.
Manufactured by Saint-Gobain Performance Plastics under the CHRTape brand, SGB6 combines a fibreglass fabric substrate impregnated with PTFE, a laminated PTFE film surface, and a high-temperature silicone pressure-sensitive adhesive.
The result is a tape with:
- Excellent non-stick performance
- High dimensional stability
- Strong chemical resistance
- Long-term thermal durability
- Reliable release properties
SGB6 is available in three variants:
- SGB6-04
- SGB6-06
- SGB6-10
Each version is designed for different duty levels and surface requirements.
Unlike lower-grade PTFE tapes, the laminate construction used in SGB6 creates a consistent PTFE layer across the full surface, reducing pinholes, thickness variation, and weak points.
This improves:
- Release consistency
- Wear resistance
- Service life
- Performance under thermal cycling
Aerospace and Industrial Applications
CHR Brown SGB6 is used in aerospace manufacturing, industrial processing, and high-temperature production environments where non-stick performance and thermal resistance are critical.
Composite Moulding and Aerospace Manufacturing
SGB6 is commonly used as a release surface during composite part production.
Typical uses include:
- Tooling surfaces
- Platens
- Mandrels
- Composite layup environments
- Autoclave process support
The tape helps prevent prepregs, resins, and adhesive systems from bonding permanently to tooling surfaces during cure cycles.
With continuous operating capability up to +260°C, SGB6 is suitable for many elevated-temperature aerospace manufacturing processes.
Platen and Heat Press Coverage
Heat press and bonding operations require stable, non-contaminating release surfaces.
SGB6 helps:
- Reduce adhesive transfer
- Protect heated surfaces
- Improve release consistency
- Extend equipment service life
Heat Sealing Applications
In aerospace packaging and MRO environments, SGB6 is used on:
- Heat sealer bars
- Packaging platens
- High-cycle sealing equipment
The PTFE surface prevents sticking and helps maintain smooth sealing performance.
Automated Assembly and Guide Surfaces
PTFE-coated fabric tapes are frequently applied to:
- Guide rails
- Slides
- Chutes
- Conveyor contact points
The low-friction surface reduces drag and component damage during automated handling processes.
Dryers and Elevated Temperature Equipment
SGB6 can also function as a release liner or protective contact surface in drying and curing systems where contamination or sticking would create defects.
Important Aerospace Clarification
CHR Brown SGB6 is not an aerospace speed tape.
It is not designed for temporary aircraft skin repairs or direct flight-line maintenance.
Instead, SGB6 is a high-temperature PTFE process tape used within aerospace manufacturing and industrial process environments.
Always verify programme suitability against:
- OEM process specifications
- Engineering authority requirements
- Approved materials lists (AMLs)
- Current manufacturer documentation
Performance Characteristics
High Temperature Resistance
SGB6 operates continuously between:
- −73°C to +260°C
- (−100°F to +500°F)
The silicone pressure-sensitive adhesive maintains performance at elevated temperatures where acrylic adhesive systems typically fail.
This makes SGB6 suitable for:
- Composite cure cycles
- Heat presses
- Industrial dryers
- Elevated-temperature tooling environments
Non-Stick Surface Performance
The PTFE surface provides:
- Low friction
- Excellent release properties
- Resistance to resin bonding
- Reduced contamination risk
The laminated PTFE construction creates a more uniform release surface than many conventional coated tapes.
Dimensional Stability
The fibreglass fabric core gives SGB6 strong dimensional stability during thermal cycling.
Compared to film-only constructions, the tape resists:
- Stretching
- Shrinkage
- Creep
- Distortion
Elongation at break is less than 5%.
Chemical Resistance
PTFE is highly resistant to:
- Solvents
- Acids
- Bases
- Industrial chemicals
- Aerospace process fluids
This makes SGB6 suitable for environments involving:
- Epoxy systems
- Adhesive primers
- Cleaning chemicals
- Composite manufacturing materials
Abrasion Resistance
The reinforced fibreglass construction improves:
- Tear resistance
- Wear resistance
- Durability in high-cycle environments
This makes SGB6 more durable than equivalent monolithic PTFE film tapes in demanding applications.
Technical Data Snapshot
| Property | SGB6-04 | SGB6-06 | SGB6-10 |
|---|---|---|---|
| Backing Material | PTFE coated fibreglass fabric | PTFE coated fibreglass fabric | PTFE coated fibreglass fabric |
| Adhesive System | Silicone PSA | Silicone PSA | Silicone PSA |
| Total Thickness | 0.160 mm | 0.201 mm | 0.290 mm |
| Adhesive Thickness | 0.051 mm | 0.051 mm | 0.051 mm |
| Adhesion to Steel | 4.9 N/cm | 5.5 N/cm | 6.0 N/cm |
| Elongation | <5% | <5% | <5% |
| Operating Temperature | −73°C to +260°C | −73°C to +260°C | −73°C to +260°C |
| Colour | Brown | Brown | Brown |
| Liner | Optional | Optional | Optional |
| Slit Widths | Available on demand | Available on demand | Available on demand |
Values are typical figures from standard test procedures and should not be used for specification purposes. Always verify against current Saint-Gobain technical documentation.
Manufacturer — Saint-Gobain Performance Plastics
Saint-Gobain Performance Plastics is a globally recognised manufacturer of fluoropolymer-based tapes and engineered materials.
The CHRTape product family is widely used across:
- Aerospace manufacturing
- Industrial automation
- Food processing
- Pharmaceutical production
- High-temperature process industries
The company provides technical documentation and engineering support for its PTFE fabric and film tape systems worldwide.
How SpeedTapes Helps
SpeedTapes.com is a structured aerospace tape reference database built for:
- Aerospace engineers
- MRO teams
- Procurement buyers
- Manufacturing specialists
- Technical sourcing teams
For products like CHR Brown SGB6, SpeedTapes provides:
- Structured technical data
- Aerospace application guidance
- PTFE tape comparisons
- Manufacturer references
- RFQ support
- Technical sourcing assistance
SpeedTapes does not directly supply tape products.
The platform helps connect technical requirements with qualified manufacturers and distributors.
Request Technical Guidance
Need help identifying the correct PTFE coated fabric tape for your application?
SpeedTapes can assist with:
- Product identification
- Alternative tape recommendations
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Submit an RFQ or request technical sourcing assistance today.
Frequently Asked Questions
What is CHR Brown SGB6 used for?
SGB6 is primarily used as a high-temperature non-stick process tape for release surfaces, tooling protection, heat sealing equipment, and composite manufacturing applications.
What temperature can SGB6 handle?
SGB6 is rated for continuous operation from −73°C to +260°C.
Is SGB6 a speed tape?
No. SGB6 is not an aircraft repair speed tape. It is a PTFE fabric process tape used in manufacturing and industrial environments.
What adhesive does SGB6 use?
SGB6 uses a high-temperature silicone pressure-sensitive adhesive system.
Can SGB6 be slit to custom widths?
Yes. Saint-Gobain supplies SGB6 in master logs which can be slit to custom widths on request.
What is the difference between SGB6-04, SGB6-06, and SGB6-10?
The main difference is thickness. Thicker variants provide increased durability and wear resistance for more demanding applications.