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Tflex

HD300 Series

Thermal Gap Filler

PRODUCT DESCRIPTION

Laird Tflex

HD300 is a 2.7 W/mK gap filler material in Laird’s high deflection line of products. Tflex

HD300 is an excellent choice when wide manufacturing tolerances occur as variable gaps can be filled

with Tflex HD300 while generating minimal board and component stress. Laird’s unique

manufacturing capabilities, and filler and resin knowledge result in this unique product designed with

customer applications in mind.

Tflex HD300 material exhibits excellent surface wetting characteristics and high deflection properties

ensuring low contact resistances and providing an overall lower total thermal resistance.

A Tgard™ liner at one side option is provided to form into Tflex HD300TG, offer guaranteed >6KV AC

dielectric barrier, is cut-through resistant and enables easy non-tacky handling at one side.

A Tgard™ liner in the middle option is provided to form into Tflex HD300MTG for 40mil and above

thicknesses, offer guaranteed >6KV AC dielectric barrier, has cut-through resistant and two-sided

tackiness.

FEATURES AND BENEFITS

•

2.7 W/m K thermal conductivity

Low pressure versus deflection characteristics

Excellent surface wetting for low contact resistance

Minimizes board and component stress.

Large tolerance applications

RoHS and REACH compliant

SPECIFICATIONS

TYPICAL PROPERTIES

Construction & Composition

Color

Thickness Range

Thickness Tolerance

Thermal Conductivity (W/mK)

Density (g/cc)

Hardness (Shore 00)

Outgassing TML (weight %)

Outgassing CVCM (weight %)

Temperature Range

Rth@ 40 mils, 10 psi

Dielectric Constant @ 1 MHz

UL Flammability Rating

Volume Resistivity

VALUE

Ceramic filled silicone sheet

Pink

0.50mm (0.020”) 5.0mm (0.20”)

+/- 10%

2.7

3.1

0.39

0.10

-40°C to 200°C*

0.573°C–in2/W

6.62

V-0

1.2x 10

TEST METHOD

N/A

Visual

N/A

ASTM D5470

Helium Pycnometer

ASTM D2240

ASTM E595

Laird Test Method

ASTM D5470 (Modified)

ASTM D150

UL-94

ASTM D257

*Upper Temperature range for HD300TG, HD300MTG is 180°C.

Americas: +1.866.928.8181

Europe: +49.(0).8031.2460.0

Asia: +86.755.2714.1166

www.lairdtech.com

Tflex

HD300 Series

Thermal Gap Filler

Tflex HD300 Thermal Resistance vs. Pressure

1.200 C-in2/W

1.000 C-in2/W

0.800 C-in2/W

0.600 C-in2/W

0.400 C-in2/W

0.200 C-in2/W

0.000 C-in2/W

10 psi 20 psi 30 psi 40 psi 50 psi 60 psi 70 psi 80 psi 90 psi 100 psi

Tflex HD340

Tflex HD360

Tflex HD380

Tflex HD3100

Tflex HD300 Deflection vs Pressure

80%

70%

60%

50%

40%

30%

20%

10%

10psi

20psi

30psi

40psi

50psi

60psi

70psi

80psi

90psi 100psi

TflexHD3100

Tflex HD340

TflexHD360

TflexHD380

AVAILABILITY

STANDARD THICKNESSES

•

0.5mm (0.020”) to 5.0mm (0.200”) thick material available in 0.25mm (0.010”) increments

•

Available in standard sheet sizes of 18” x 18” and 9” x 9” or custom die cut parts

OPTIONS

•

DC1 – eliminate tack from one side

•

TG – Tgard liner on top of HD300

•

MTG – Tgard liner within HD300 material

PART NUMBER SYSTEM

Tflex™ indicates Laird elastomeric thermal gap filler product line. HD3xxx indicates Tflex HD300 product line with thickness in mils (0.001”)

EXAMPLES:

•

Tflex HD340 = 0.040” thick Tflex™ HD300 material

Tflex HD3100DC1 = 0.10” thick Tflex™ HD300 material with DC1 option

Tflex HD360TG – 0.060” thick Tflex HD300 material with Tgard layer on top

Tflex HD380MTG – 0.080” thick Tflex HD300 material with Tgard layer in the middle of Tflex HD300

Tflex HD300 DS 091318

ny information furnished by Laird Technologies, Inc. and its agents is believed to be accurate and reliable. All specifications are subject to change without notice. Responsibility for the use and application of Laird Technologies materials rests with the end

user. Laird Technologies makes no warranties as to the fitness, merchantability, suitability or non- infringement of any Laird Technologies materials or products for any specific or general uses. Laird Technologies shall not be liable for incidental or

consequential damages of any kind. All Laird Technologies products are sold pursuant to the Laird Technologies’ Terms and Conditions of sale in effect from time to time, a copy of which will be furnished upon request. © Copyright 2015 Laird Technologies,

Inc. All Rights Reserved. Laird, Laird Technologies, the Laird Technologies Logo, and other marks are trademarks or registered trademarks of Laird Technologies, Inc. or an affiliate company thereof. Other product or service names may be the property of third

parties. Nothing herein provides a license under any Laird Technologies or any third party intellectual property rights.