Is SILICAFLEX SLEEVE silica fiber thermal sleeve resistant to chemical attack and which acids or bases should be avoided?

Yes. SILICAFLEX SLEEVE silica fiber thermal sleeve is chemically resistant to most substances, but it is NOT resistant to hydrofluoric acid (HF), phosphoric acid (H3PO4), and strong bases (concentrated alkalis). Avoid contact with HF, concentrated phosphoric acid, and strong alkaline solutions; these can severely attack silica fiber. For all other common acids, solvents and chemicals the sleeve shows good resistance, while retaining its high-temperature, flameâresistant and electroinsulating properties.

Can SILICAFLEX SLEEVE silica fiber thermal sleeve be used in high-temperature electrical insulation applications?

Yes. SILICAFLEX SLEEVE silica fiber thermal sleeve is suitable for high-temperature electrical insulation applications. With over 96% pure silica, it offers excellent temperature resistance (continuous up to +982Â°C, short-term up to +1650Â°C), flexibility, minimal shrinkage, and inherent electroinsulating properties. It is completely flame resistant, chemically resistant to most substances (except hydrofluoric acid, phosphoric acid, and strong bases), and does not emit smoke or fumes. Wall thickness (~1.65 mm) provides a durable insulating barrier. Ensure compatibility with specific voltage, mechanical stresses, and any exposed chemicals for your application.

Does SILICAFLEX SLEEVE silica fiber thermal sleeve resist mechanical abrasion and repeated flexing?

Yes. SILICAFLEX SLEEVE silica fiber thermal sleeve resists mechanical abrasion and repeated flexing to a significant degree. Its construction from over 96% pure silica fiber (silicon dioxide) yields excellent flexibility and low shrinkage at high temperatures, which helps the sleeve sustain repeated bending without rapid degradation. The material is mechanically robust for protection duties, and its wall thickness (~1.65 mm) provides a durable barrier against rubbing and wear in typical thermal-protection applications. However, while good for abrasion resistance and cyclic flexing compared with many ceramic or brittle insulators, silica fiber sleeves are not as abrasion- and cut-resistant as metallic or specialized polymeric protective coverings. Extreme, continuous mechanical abrasion, sharp-edge contact, or very aggressive flex cycles under load will eventually wear the sleeve. Also avoid exposure to hydrofluoric acid, phosphoric acid, and strong bases, which chemically attack the material. In summary: SILICAFLEX SLEEVE offers strong resistance to mechanical abrasion and repeated flexing for standard thermal-protection uses, but it can be outperformed by harder materials in very aggressive mechanical environments.

Sleeve thermal with fiber silica SILICAFLEX SLEEVE

All products, Covers/

Additional information

Maximum operating temperature [°C]	982
Standard length [m]	10, 15, 45

Thermal cover in the molds sleeve. strong, chemical resistant (za the exception acid hydrofluoric, phosphoric and strong bases). completely resistant na flame. high content pure silica (over 96%) ensures excellent resistance temperature, flexibility and minimal shrinkage. has properties electrical-insulating. Nie emits smoke ani fumes. wall thickness wall to ok. 1.65 mm. Material: fiber with silica (dioxide silicon). Operating temperature: up to +982°C (momentarily up to +1650°C).

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
FQ-SFHD-04	Cover SILICAFLEX SLEEVE 6 mm	-	-	In stock	Enquiry
FQ-SFHD-08	Cover SILICAFLEX SLEEVE 13 mm	-	-	In stock	Enquiry
FQ-SFHD-16	Cover SILICAFLEX SLEEVE 25 mm	-	-	In stock	Enquiry
FQ-SFHD-24	Cover SILICAFLEX SLEEVE 38 mm	-	-	In stock	Enquiry
FQ-SFHD-32	Cover SILICAFLEX SLEEVE 51 mm	-	-	In stock	Enquiry
FQ-SFHD-48	Cover SILICAFLEX SLEEVE 76 mm	-	-	In stock	Enquiry
FQ-SFHD-64	Cover SILICAFLEX SLEEVE 102 mm	-	-	In stock	Enquiry
FQ-SFHD-96	Cover SILICAFLEX SLEEVE 152 mm	-	-	In stock	Enquiry

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Thermal cover in the molds sleeve. strong, chemical resistant (za the exception acid hydrofluoric, phosphoric and strong bases). completely resistant na flame. high content pure silica (over 96%) ensures excellent resistance temperature, flexibility and minimal shrinkage. has properties electrical-insulating. Nie emits smoke ani fumes. wall thickness wall to ok. 1.65 mm. Material: fiber with silica (dioxide silicon). Operating temperature: up to +982°C (momentarily up to +1650°C).