Silicone Coated Fiberglass Sleeves: Inner Fiber Outer Rubber vs Inner Rubber Outer Fiber
Product Overview
As a leading manufacturer of high-performance industrial insulation materials, SHENGPAI INSULATION MATERIALS CO. specializes in customizing both Inner Fiber Outer Rubber and Inner Rubber Outer Fiber fiberglass sleeves, delivering consistent quality, competitive pricing, and on-time global delivery for customers across industries. Our fiberglass insulation products strictly comply with FDA, RoHS, REACH and ISO 9001:2015 standards, with free samples available for your performance verification.
Core Structural Differences
| Product Type | Structural Composition |
| Inner Fiber Outer Rubber Fiberglass Sleeve | Inner layer: Braided alkali-free fiberglass skeleton; Outer layer: High-temperature cured liquid silicone rubber coating |
| Inner Rubber Outer Fiber Fiberglass Sleeve | Inner layer: Extruded integral silicone rubber tube; Outer layer: Tightly woven alkali-free fiberglass protective layer |
Full Performance Comparison Table
| Comparison Dimension | Inner Fiber Outer Rubber Fiberglass Sleeve | Inner Rubber Outer Fiber Fiberglass Sleeve |
| Continuous Temperature Range | -30°C to +200°C, premium grade up to 260°C | -60°C to +200°C |
| Dielectric Strength | 4kV minimum, maximum up to 10kV | 7kV minimum, maximum up to 10kV |
| Core Protection Advantages | Fully sealed outer silicone layer, splash-proof, oil/acid/alkali resistant, excellent anti-penetration performance | Abrasion and tear resistant outer fiberglass layer, superior heat dissipation, high mechanical strength |
| Standard Inner Diameter Range | φ0.5mm ~ φ35mm | φ1.0mm ~ φ25mm |
| Typical Wall Thickness | 0.2mm ~ 1.0mm | 0.4mm ~ 1.0mm |
| Standard Available Colors | Red, blue, black and other custom colors | White as standard, custom colors supported |
| Compliance Standards | UL224, ROHS, UL VW-1 flame retardant | UL1441, UL224, ROHS, UL VW-1 flame retardant |
| Customization Options | Custom sizes, colors, coating thickness for special working conditions | Custom braiding density, inner rubber hardness for motor/transformer applications |
Application Scenario Selection Guide
1.Recommended to choose Inner Fiber Outer Rubber sleeves for these scenarios
-High-temperature slag splashing protection in welding, metallurgy and on-site forging workshops
-Oil and chemical corrosion resistant pipeline and wiring protection for marine, chemical industry projects
-Fully sealed waterproof and medium penetration prevention wiring systems for outdoor buried/overhead installations
-Long-term outdoor UV and weathering exposed cable protection, service life 3 times longer than ordinary PVC sleeves
2.Recommended to choose Inner Rubber Outer Fiber sleeves for these scenarios
-Insulation protection for Class H / Class N motor windings and transformer coils
-Internal wire harness bundling and insulation for household appliances, electric heating equipment and special lighting fixtures
-Abrasion resistant wiring protection under frequent vibration and friction working conditions
-High heat dissipation required internal wiring for electronic instruments and industrial electrical equipment
SHENGPAI INSULATION MATERIALS CO. Service Advantages
-Fastest customization turnaround: 2 working days for non-standard size orders
-Full technical support: Professional engineering team provides on-site working condition evaluation and free selection consultation
-Global shipping: Stable supply chain to ensure timely delivery to North America, Europe, Southeast Asia and other regions
-Quality assurance: 12-month warranty for all our fiberglass sleeve products, with full test reports provided before shipment
If you need to get a customized quote or free samples, please contact our sales team directly, we will provide you with the most suitable insulation protection solution within 24 hours.
Silicone Coated Fiberglass Sle
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