Silicone Coated Fabric
Flexible, weatherproof silicone rubber coated E-glass fabric — also referred to as silicone coated fiberglass cloth, silicone glass cloth, silicone impregnated fiberglass, or fiberglass silicone fabric. -50°C to +260°C, A2 fire class, ideal for expansion joints, welding blankets, and insulation covers.
Flexible, Weatherproof, Fire-Rated
Silicone rubber coating on E-glass fabric — combines waterproof flexibility with A2 fire-rated protection. The go-to material for expansion joints and removable insulation covers.
-50C to +260C Continuous
Silicone rubber coated fiberglass. A2 fire class certified.
Waterproof & Chemical Resistant
Silicone coating repels water, oils, and mild chemicals.
Custom Thickness & Color
Coating 0.3-2.0mm. Multiple colors (red, grey, black, white).
Flexible & Durable
No cracking or delamination after repeated thermal cycling.
Technical Specifications
| Parameter | Value |
|---|---|
| Base Fabric | E-glass woven fabric, style 3732/3784 |
| Coating | Silicone rubber, single side or double side. Also known as silicone coated glass fabric, silicone coated glass cloth, silicone impregnated fiberglass. |
| Weight Range | 500–1,170 g/m² (custom up to 1,500 g/m²) |
| Thickness | 0.4–1mm |
| Service temp | -50°C to +260°C |
| Tensile Strength | Warp 2500N, Weft 2300N |
| Certifications | ISO 9001, SGS, TÜV, UL, RoHS, CE |
| MOQ | 1,000 sqm |
| Colors | Red, gray, green, black, custom |
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Proven Standard Configurations
Four certified silicone fabric variants, each verified by in-house testing. All customizable: coating weight, width and color.
3732-500
Single-Sided · 3732 Base · A2Single-side industrial-grade silicone rubber coating on 3732 E-glass woven fabric
Our standard silicone coated fabric. Flexible, waterproof, A2 fire-rated. The most widely used grade for insulation covers, welding blankets and expansion joints.
- Finished Weight
- 506.5 g/m² (std 500)
- Thickness
- 0.39 mm (std 0.4)
- Coating Ratio
- 16.8%
- Warp Tensile
- ≥1,394 N/25mm
- Weft Tensile
- ≥1,982 N/25mm
- Fire Rating
- A2 (EN 13501-1)
Silicone Fabric Models
3732-500
- Base
- 3732 / 420g · Single
- Weight
- 506.5 g/m²
- Thickness
- 0.39 mm
- Warp N
- ≥1,394
- Weft N
- ≥1,982
3732-580
- Base
- 3732 / 420g · Double
- Weight
- 593.6 g/m²
- Thickness
- 0.43 mm
- Warp N
- ≥2,151
- Weft N
- ≥1,407
3784-1160
- Base
- 3784 / 840g · Double
- Weight
- 1,170.3 g/m²
- Thickness
- 0.83 mm
- Warp N
- ≥2,385
- Weft N
- ≥2,641
1550-530
- Base
- High-Silica / 400g · Double
- Weight
- 533.6 g/m²
- Thickness
- 0.52 mm
- Warp N
- ≥1,224*
- Weft N
- ≥1,259*
| Model | Base | Weight | Thickness | Warp N | Weft N |
|---|---|---|---|---|---|
| 3732-500 | 3732 / 420g · Single | 506.5 g/m² | 0.39 mm | ≥1,394 | ≥1,982 |
| 3732-580 | 3732 / 420g · Double | 593.6 g/m² | 0.43 mm | ≥2,151 | ≥1,407 |
| 3784-1160 | 3784 / 840g · Double | 1,170.3 g/m² | 0.83 mm | ≥2,385 | ≥2,641 |
| 1550-530 | High-Silica / 400g · Double | 533.6 g/m² | 0.52 mm | ≥1,224* | ≥1,259* |
Coating ratio 16.8-28.2% by model. Tensile measured per 50mm for high-silica (others per 25mm). All models A2 fire-rated. Test standards: JC/T 170-2012 & GB/T 7689.5-2013.
Selection Guide
- 3732-500Standard single-sided grade, best value. Covers most insulation cover and fire curtain applications.
- 3732-580Double-sided coating, stronger waterproofing for outdoor equipment covers.
- 3784-1160Heaviest grade, 840 g/m² base. Large expansion joints and heavy-duty removable insulation covers.
- 1550-530High-silica base for higher temperature resistance beyond standard E-glass limits.
Not sure which model fits your application? Tell us your operating conditions and we will recommend the right grade.
Where It's Used
Specified by engineers for expansion joints, welding protection, marine covers, and industrial insulation across 50+ countries.
Silicone fabric expansion joint
Pipe wrapping with silicone fabric
Industrial insulation covers
Why Global Buyers Choose Our Factory
In-House Manufacturing
Weaving, coating, and slitting in our own factories. Every production stage under one quality system — consistent standards, no outsourcing.
Internationally Certified
ISO 9001:2015 quality management, SGS-audited factory, TUV Rheinland product safety compliance. Every batch traceable.
Engineer-to-Engineer Support
Talk to engineers who understand materials — not sales scripts. We recommend the right fiberglass solution for your specific application.
Global Export & Custom
Exporting to 50+ countries with full OEM/ODM capabilities. Custom dimensions, coatings, adhesives — your spec, our production.
Ming Yang Glass Fiber Co., Ltd.
Founded 2001. A specialized fiberglass manufacturer with in-house weaving, coating, and slitting across multiple specialized factories. Rigorous quality systems, consistent production standards.
Internationally Certified
ISO 9001:2015
SGS Audited
TUV RheinlandTrusted by Industry Leaders
Raw Material Partners
Frequently Asked Questions
Quick answers about our silicone coated fabric — temperature range, certifications, food-grade options, and ordering.
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Fill in your details and we'll respond within 24 hours.