Silicone Foam Sponge Strips, -100 to +300°C

Silicone Foam Strip Series: Heat-Resistant, High-Resilience Sealing

In harsh industrial environments, silicone foam strips are core consumables for keeping equipment sealed and thermally insulated. The silicone foam strip series produced by Lixing Composite Materials offers excellent physical properties and chemical stability, maintaining strong resilience and compression resistance at high temperatures, making it an ideal material for precision seals in electronics and electrical appliances.

Product Features

Wide temperature range: Excellent weather resistance, retaining its physical properties in environments from -100°C to +300°C.
Excellent flame rating: Meets the UL 94V-0 flame-retardancy standard for good safety protection and flame-retardant performance.
High resilience and compression resistance: Strong elastic recovery resists permanent deformation under long-term compression, keeping the seal stable over time.
Precision foaming process: Uniform, consistent foam density and tight surface tolerances reflect a refined level of industrial manufacturing.
Eco-friendly and non-toxic: Meets environmental regulations; odorless, aging-resistant and with good resistance to acids and alkalis.

Technical Specifications

Test Item	Typical Value	Unit
Breaking Strength	55	kN/m
Compressive Strength	30	MPa
Elongation at Break	200	%
Hardness	28 ± 3	Shore A
Temperature Range	-100 to +300	°C
Specific Gravity (Density)	0.65 – 0.90	g/cc
Thermal Conductivity	0.9	W/m·K
Breakdown Voltage	> 3000	VAC
Flame Rating	94V-0	—
Volume Resistivity	> 1.0 * 10^11	Ohm-m

Silicone Foam / Sponge Series in Summary: Thermal Insulation & Sealing

To recap, silicone foam strips are essential consumables wherever equipment must stay sealed and thermally insulated in demanding industrial environments. Lixing’s silicone foam series stays physically and chemically stable and keeps its resilience and compression resistance under extreme temperatures, which makes it an ideal material for precision seals in electronics, electrical appliances and aerospace applications.

[Why Choose Our Silicone Foam?]

Extreme Temperature Range: Exceptional weather resistance, holding its physical properties from -100°C to +300°C.
Excellent Fire Rating: UL 94V-0 compliant for superior safety and flame-retardant performance.
High Resilience & Compression Resistance: Strong elastic recovery prevents permanent deformation under long-term pressure, for long-lasting sealing.
Precision Foaming Process: Uniform foam density and minimal surface tolerance from high-level industrial manufacturing.
Eco-friendly & Non-toxic: Compliant with environmental regulations; odorless, anti-aging, and resistant to acids and alkalis.

[Technical Specifications]

Test Item	Typical Value	Unit
Tensile Strength	55	kN/m
Compressive Strength	30	MPa
Ultimate Elongation	200	%
Hardness	28 ± 3	Shore A
Temperature Range	-100 to +300	°C
Density (Specific Gravity)	0.65 – 0.90	g/cc
Thermal Conductivity	0.9	W/m·K
Breakdown Voltage	> 3000	VAC
Fire Rating	94V-0	—
Volume Resistivity	> 1.0 * 10^11	Ohm-m