Thermal Interface Products

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Tflex™ SF10 Thermal Gap Filler

Laird Tflex™ SF10 Thermal Gap Filler offers 10W/mK thermal conductivity, 0.5mm to 4mm thickness range, and 3.7g/cc density. This filler features silicone-free material with excellent deflection properties, providing minimal pressure on components during deflection. Laird Tflex SF10 Thermal Gap Filler is an environmentally friendly solution that meets regulatory requirements, including RoHS and REACH.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Type	Package / Case	Material	Thermal Conductivity	Color	Minimum Operating Temperature	Maximum Operating Temperature	Length	Width	Thickness	Flammability Rating	Series	Packaging
Thermal Interface Products TFLEX SF10 229X229MM A18213-10 Laird 1: $356.98 90In Stock	Mfr. Part # A18213-10 Mouser Part # 739-A18213-10	Laird	Thermal Interface Products TFLEX SF10 229X229MM Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	90In Stock	$356.98 $326.50 $301.24	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	2.5 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products TFLEX SF10,0.75 A18213-03 Laird 1: $145.54 314In Stock	Mfr. Part # A18213-03 Mouser Part # 739-A18213-03	Laird	Thermal Interface Products TFLEX SF10,0.75 Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	314In Stock	$145.54 $128.58 View Quote	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	0.75 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,3.25 229x229mm, A18213-13 Laird 1: $551.67 1In Stock	Mfr. Part # A18213-13 Mouser Part # 739-A18213-13	Laird	Thermal Interface Products Tflex SF10,3.25 229x229mm, Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	1In Stock	$551.67 $550.06 $538.68	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	3.25 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products TFLEX SF10,0.50 229X229MM A18213-02 Laird 1: $70.59 1,051In Stock 530Expected 11/30/2026	Mfr. Part # A18213-02 Mouser Part # 739-A18213-02	Laird	Thermal Interface Products TFLEX SF10,0.50 229X229MM Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	1,051In Stock 530Expected 11/30/2026	$70.59 $61.61 $59.94	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	0.5 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products TFLEX SF10,1.00 229X229MM A18213-04 Laird 1: $146.30 1,472In Stock 3On Order	Mfr. Part # A18213-04 Mouser Part # 739-A18213-04	Laird	Thermal Interface Products TFLEX SF10,1.00 229X229MM Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	1,472In Stock 3On Order	$146.30 $129.77	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	1 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products TFLEX SF10,1.50 229X229MM A18213-06 Laird 1: $232.67 766In Stock	Mfr. Part # A18213-06 Mouser Part # 739-A18213-06	Laird	Thermal Interface Products TFLEX SF10,1.50 229X229MM Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	766In Stock	$232.67	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	1.5 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products TFLEX SF10 229X229MM A18213-08 Laird 1: $246.87 371In Stock	Mfr. Part # A18213-08 Mouser Part # 739-A18213-08	Laird	Thermal Interface Products TFLEX SF10 229X229MM Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	371In Stock	$246.87 $231.76 $229.46 $227.18	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	2 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products TFLEX SF10,3.00 229X229MM A18213-12 Laird 1: $365.61 168In Stock	Mfr. Part # A18213-12 Mouser Part # 739-A18213-12	Laird	Thermal Interface Products TFLEX SF10,3.00 229X229MM Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	168In Stock	$365.61 $323.44 $308.01 Quote Quote	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	3 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products TFLEX SF10 229X229MM A18213-05 Laird 1: $259.82 32In Stock	Mfr. Part # A18213-05 Mouser Part # 739-A18213-05	Laird	Thermal Interface Products TFLEX SF10 229X229MM Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	32In Stock	$259.82 $252.62 $221.60 $207.58 Quote Quote	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	1.25 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,1.75 229x229mm, A18213-07 Laird 1: $341.04 16On Order	Mfr. Part # A18213-07 Mouser Part # 739-A18213-07	Laird	Thermal Interface Products Tflex SF10,1.75 229x229mm, Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	16On Order On Order Ship Dates Mfr. #: A18213-07 Stock: 0 On Order: 3 Expected 12/14/2026 13 Expected 12/21/2026 Factory Lead-Time: 10 Weeks	$341.04 $325.51 $313.50 $311.40 View Quote	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	1.75 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products TFLEX SF10,3.50 A18213-14 Laird 1: $633.88 17On Order	Mfr. Part # A18213-14 Mouser Part # 739-A18213-14	Laird	Thermal Interface Products TFLEX SF10,3.50 Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	17On Order On Order Ship Dates Mfr. #: A18213-14 Stock: 0 On Order: 10 Expected 12/21/2026 7 Expected 12/28/2026 Factory Lead-Time: 10 Weeks	$633.88 $580.81 $564.64	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	3.5 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,2.25 229x229mm, A18213-09 Laird 1: $420.29 Non-Stocked Lead-Time 10 Weeks	Mfr. Part # A18213-09 Mouser Part # 739-A18213-09	Laird	Thermal Interface Products Tflex SF10,2.25 229x229mm, Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	Non-Stocked Lead-Time 10 Weeks	$420.29 $401.96 $386.62	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	2.25 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,2.75 229x229mm, A18213-11 Laird 4: $500.19 Non-Stocked Lead-Time 10 Weeks	Mfr. Part # A18213-11 Mouser Part # 739-A18213-11	Laird	Thermal Interface Products Tflex SF10,2.75 229x229mm, Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	Non-Stocked Lead-Time 10 Weeks	$500.19 $478.39 $460.12	Min.: 4 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	2.75 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,3.75 229x229mm, A18213-15 Laird 4: $655.41 Non-Stocked Lead-Time 10 Weeks	Mfr. Part # A18213-15 Mouser Part # 739-A18213-15	Laird	Thermal Interface Products Tflex SF10,3.75 229x229mm, Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	Non-Stocked Lead-Time 10 Weeks	$655.41 $631.29	Min.: 4 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	3.75 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products TFLEX SF10,4.00 229X229MM A18213-16 Laird 1: $701.47 Non-Stocked Lead-Time 10 Weeks	Mfr. Part # A18213-16 Mouser Part # 739-A18213-16	Laird	Thermal Interface Products TFLEX SF10,4.00 229X229MM Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	Non-Stocked Lead-Time 10 Weeks	$701.47	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	4 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,4.25 229x229mm, A18213-17 Laird 1: $731.45 Non-Stocked Lead-Time 7 Weeks	Mfr. Part # A18213-17 Mouser Part # 739-A18213-17	Laird	Thermal Interface Products Tflex SF10,4.25 229x229mm, Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	Non-Stocked Lead-Time 7 Weeks	$731.45 $682.63	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	4.25 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,4.50 229x229mm, A18213-18 Laird 4: $789.96 Non-Stocked Lead-Time 7 Weeks	Mfr. Part # A18213-18 Mouser Part # 739-A18213-18	Laird	Thermal Interface Products Tflex SF10,4.50 229x229mm, Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	Non-Stocked Lead-Time 7 Weeks	$789.96 $737.24	Min.: 4 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	4.5 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,4.75 229x229mm, A18213-19 Laird 4: $844.30 Non-Stocked Lead-Time 7 Weeks	Mfr. Part # A18213-19 Mouser Part # 739-A18213-19	Laird	Thermal Interface Products Tflex SF10,4.75 229x229mm, Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	Non-Stocked Lead-Time 7 Weeks	$844.30 $816.35	Min.: 4 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	4.75 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,5.00 229x229mm, A18213-20 Laird 1: $908.19 Non-Stocked Lead-Time 7 Weeks	Mfr. Part # A18213-20 Mouser Part # 739-A18213-20	Laird	Thermal Interface Products Tflex SF10,5.00 229x229mm, Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	Non-Stocked Lead-Time 7 Weeks	$908.19 $850.94	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	5 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,4.25 457x457mm Laird A18212-17 A18212-17 Laird 1: $2,229.14 Non-Stocked	Mfr. Part # A18212-17 Mouser Part # 739-A18212-17	Laird	Thermal Interface Products Tflex SF10,4.25 457x457mm	Datasheet	Non-Stocked	$2,229.14 Quote Quote	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets		Non-standard	Thermoplastic (TP)	10 W/m-K	Gray	- 40 C	+ 125 C	457 mm	457 mm	4.25 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,4.50 457x457mm Laird A18212-18 A18212-18 Laird 1: $2,349.54 Non-Stocked	Mfr. Part # A18212-18 Mouser Part # 739-A18212-18	Laird	Thermal Interface Products Tflex SF10,4.50 457x457mm	Datasheet	Non-Stocked	$2,349.54 Quote Quote	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets		Non-standard	Thermoplastic (TP)	10 W/m-K	Gray	- 40 C	+ 125 C	457 mm	457 mm	4.5 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,4.75 457x457mm Laird A18212-19 A18212-19 Laird 1: $2,469.97 Non-Stocked	Mfr. Part # A18212-19 Mouser Part # 739-A18212-19	Laird	Thermal Interface Products Tflex SF10,4.75 457x457mm	Datasheet	Non-Stocked	$2,469.97 Quote Quote	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets		Non-standard	Thermoplastic (TP)	10 W/m-K	Gray	- 40 C	+ 125 C	457 mm	457 mm	4.75 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,5.00 457x457mm Laird A18212-20 A18212-20 Laird 1: $2,590.29 Non-Stocked	Mfr. Part # A18212-20 Mouser Part # 739-A18212-20	Laird	Thermal Interface Products Tflex SF10,5.00 457x457mm	Datasheet	Non-Stocked	$2,590.29 Quote Quote	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets		Non-standard	Thermoplastic (TP)	10 W/m-K	Gray	- 40 C	+ 125 C	457 mm	457 mm	5 mm	UL 94 V-0	Tflex SF10	Bulk

Tflex™ SF10 Thermal Gap Filler

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