Description kSil®V-0  is a closed cell, flame retardant silicone sponge. Formulated for use in applications where high flame resistance and low smoke toxicity is required such as Mass Transit, Aerospace, Automotive/EV/HEV and Electronic sectors. kSil®V-0  is commonly used for die-cut gaskets and flexible sealing solutions.

Availability Sheets and Rolls Widths up to 1m (39") Pressure Sensitive Adhesive (PSA) Standard Colours: Grey and Black Extrusions: Cords, Profiles, Tubes

Specifications

Basic Physical Properties

Dielectric Strength	6.0	kV/mm	ASTM D 149
Flame Spread Index (Ls)	0.00	N/A	ASTM E 162
Toxic Gas Emissions Rating	Pass	Pass/Fail	SMP-800C

Extended Physical Properties

	Value	Units	Test Method
Density	300	kg/m3	ASTM D1056
Compression Force Deflection	40	kPa	ASTM D1056
Compression Set	3	%	ASTM D 1056
Tensile Strength	304	kPa	ASTM D412
Elongation	90	%	ASTM D412
Water Absorption	<5	%	ASTM D1056
Minimum Thickness	2.00	mm	N/A
Maximum Thickness	25.40	mm	N/A
Colors Available	Grey, Black	N/A	Visual

Heat and Flame

	Value	Units	Test Method
UL94 V-0	Pass	Pass/Fail	UL94 (File #:E83967)
Min Operating Temp	-60°	°C	N/A
Max Operating Temp	230°	°C	N/A
Flame Resistance @ 12 Sec	Pass	Pass/Fail	FAR 25.853
Flame Resistance @ 60 Sec	Pass	Pass/Fail	FAR 25.853
Smoke Density (Ds) @ 1.5 min	0.00	N/A	ASTM E 662
Smoke Density (Ds) @ 4.0 min	0.00	N/A	ASTM E 662
Toxic Gas Emissions Rating	Pass	Pass/Fail @1.5/4.0 min	SMP-800C

Note: Shelf life is defined as the duration of time for which the product will meet the physical characteristics outlined on this page. It does not guarantee the product's usefulness in all applications.

This information and our technical advice, whether verbal, in writing or by way of trials, is given in good faith but without warranty. This also applies where proprietary rights are involved. Our advice does not release you from the obligations to check its validity and to test our products as to their suitability for the intended use. The storage, application and use of our products are beyond our control and, therefore entirely your own responsibility. Our products are sold in accordance with our General Conditions of Sale. The information contained within this data sheet is subject to change without notice. Modified: 11/5/2026