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In the fabrication of flexible insulation blankets, valve/flange covers, and industrial thermal shields, gray single-sided PTFE-coated fiberglass fabric serves as a specialized protective textile.
Unlike double-sided coated materials, single-sided PTFE fabric applies a sintered polytetrafluoroethylene coating to one side of an E-glass woven substrate, while the reverse side maintains a controlled fiber texture. This structure delivers weatherability, chemical resistance, and hydrophobic/oleophobic properties on the working face, while providing mechanical grip against internal insulation cores (such as aerogels, ceramic blankets, or fiberglass mats).
1. Technical Parameters (0.4mm ADP-001 Reference Grade)
Structural & Physical Properties
| Parameter | Specification |
|---|---|
| Base Substrate | Black Woven Fiberglass |
| Coating Profile | Single-sided PTFE coating with a black fiberglass reverse |
| Color | Dark grey coated face / black fiberglass reverse |
| Nominal Thickness | 0.40 mm |
| Areal Weight | Approximately 570–580 g/m² |
| Continuous Temperature Range | -70°C to +260°C (-94°F to +500°F) |
Mechanical & Surface Characteristics
| Parameter | Specification |
|---|---|
| Chemical Resistance | PTFE face is inert to common acids, alkalis, salt spray, and organic solvents (pH 0–14 stability) |
| Surface Behavior | Low coefficient of friction, UV/ozone resistant; textured reverse reduces relative slippage against internal insulation. |
2. Procurement and Quality Verification Points
- Coating Adhesion and Sintering: The PTFE layer must be fully fused and sintered. The coating must not delaminate, flake, or crack under repeated flexing or creasing.
- Penetration Control: The dispersion penetration must be strictly monitored. Excessive strike-through makes the reverse slick and hard to handle; insufficient penetration lowers interface peel strength.
- Surface Uniformity: The coated face must remain dense and flat, free from pinholes, exposed yarns, blisters, or foreign inclusions.
- Color Consistency: Gray coatings are sensitive to shade variations. Bulk roll deliveries must maintain strict Delta-E color tolerances across different production lots.
3. Standard RFQ Checklist Template
RFQ Form: Gray Single-Sided PTFE Coated Fiberglass Fabric
Base Product Specifications
- Nominal Thickness: 0.40 mm (or specified gauge)
- Coating Construction: Single-sided PTFE coated
- Color: Industrial Gray (specify RAL shade if applicable)
- Usable Roll Width: 1000 mm / 1200 mm / 1500 mm (or custom slit width)
- Roll Length: 50 m/roll or 100 m/roll
Technical Performance Requirements
- Minimum Tensile Strength: Warp >= _____ N/50mm, Weft >= _____ N/50mm
- Continuous Service Temperature: -70°C to +260°C
- Compliance / Certifications: UL 94 V-0 / RoHS / REACH
Application & Fabrication Parameters
- Final Application: Removable valve insulation jacket / flange shield / thermal barrier
- Fabrication Method: CNC oscillating knife cutting / industrial walking-foot sewing / grommet punching
- Supply State: Master rolls / pre-slit coils / CNC-cut flat pattern pieces
Delivery & Commercial Terms
- Inquired Quantity: _____ square meters (or _____ rolls)
- Sample Request: A4 swatches / 1-meter trial roll
- Packaging: Standard wrapped rolls / protective film / palletized
- Destination & Required Lead Time: [City, Country] / Required date: [Date]
4. Application Scope
Recommended Applications
- Removable insulation blanket outer jacketing where the coated side faces ambient weather/chemicals and the reverse contacts insulation batts.
- Sewn flexible covers requiring balanced cost and robust exterior weatherproofing.
Non-Recommended Applications
- Environments requiring full liquid submersion or chemical immersion on both sides.
- Welded assemblies requiring double-sided thermoplastic melt bonding (double-sided coated or laminated grades are recommended instead).