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Products / Interface Materials / Greases
Thermal Greases

» Sil-Free™ RoHS Compliant
silicone-free synthetic thermal grease

» Ther-O-Link RoHS Compliant
silicone-based thermal grease

» Ultrastick RoHS Compliant
silicone-free solid phase change compound in convenient application bar

» Thermalcote™ RoHS Compliant
silicone-based thermal compound in a synthetic base fluid for efficient application

» Thermalcote™II RoHS Compliant
silicone-free thermal compound in a synthetic base fluid for efficient application

Sil-Free™

Sil-Free™ 1020 is a metal-oxide-filled, silicone-free synthetic grease specially formulated to enhance heat transfer across the interface between the semiconductor case and the heat sink without the migration or contamination associated with silicone-based products.

Dry interface case-to-sink thermal resistance is typically reduced 50% to 75% with proper application of Sil-Free™ 1020.

This virtually "no-bleed", high-performance compound will not dry out, harden, melt, or run, even after long-term continuous exposure to temperatures up to 200°C. Even in a vacuum atmosphere (10-5 Torr, 24 hours@100°C), Sil-Free™ 1020 exhibits virtually "no bleed" or evaporation.

» MSDS Safety Sheet for Sil-Free in PDF format 104K

Color White
Thermal
Conductivity		 0.79 W/(m-°C)
Operating
Temperature Range		 -40°C to 200°C
Volume
Resistivity		 2.3 x 1012 Ohm-cm
Weight 47.5 grams
Dielectric
Strength		 225 Volts/mil
Consistency Paste
Bleed
 0.09 max
Specific Gravity 2.8
Shelf Life
 Indefinite1 (unopened)
One Year (opened)

(1) It is recommended that the containers be turned over every 6 months to minimize settling for ease of mixing.

Sil-Free™ Resistance Calculator
Enter the area of the device
that will contact the heat sink:		 mm2

Enter the grease thickness:
mm
 
Interface Resistance =

Formula


Ordering Information
Part Number RoHS PCN Package Size
101700F00000G Syringe 43 grams (1.5 Oz.)
101800F00000G Tube 57 grams (2.0 Oz.)
102000F00000G Tube 143 grams (5.0 Oz.)
102100F00000G Jar 457 grams (16.0 Oz.)
silfree
Thermal Grease

Ther-O-Link

Ther-O-Link is a silicone-based thermal compound that cost effectively enhances the heat transfer between a semiconductor case and a heat sink. Easy to apply, Ther-O-Link substantially reduces dry interface thermal resistance, while providing long life under a variety of conditions.
» MSDS Safety Sheet for Ther-O-Link in PDF format 104K

Color White
Thermal
Conductivity		 0.73 W/(m-K)
Operating
Temperature Range		 -40°C to 200°C
Volume
Resistivity		 1.0 x 1015 Ohm-cm
Dielectric
Strength		 250 Volts/mil
Consistency Paste
Bleed
 0.6 max
Specific Gravity 2.8
Shelf Life
 2 years from DOM1

(1)Stated shelf life is from date of manufacture. To allow for inventory cycle, product shipped from Aavid will have less than 24 months remaining shelf life. Aavid guarantees a minimum of 3 months remaining shelf life. Please adjust order quantity so all product will be consumed with in 3 months of date of shipment. It is recommended that the containers be turned over every 6 months to minimize settling for ease of mixing.

Ther-O-Link Resistance Calculator

Enter the area of the device
that will contact the heat sink:		 mm2

Enter the grease thickness:
mm
 
Interface Resistance =

Formula


Ordering Information
Part Number RoHS PCN Package Size
100000F00000G Ampule 1g.
100100F00000G Syringe 35.7 grams (1.25 Oz.)
100200F00000G Tube 57 grams (2.0 Oz.)
100500F00000G Tube 143 grams (5.0 Oz.)
100800F00000G Can 228.6 grams (8.0Oz.)
101600F00000G Can .45 kg (1 lb)
108000F00000G Can 2.27 kg (5 lb)
132000F00000G Can 9.07 kg (20 lb)
Thermal Grease

Ultrastick

Part Number: 100300F00000G


Aavid's Ultrastick is a unique phase-change thermal interface material that surpasses grease in thermal performance and long-term stability. This solid, silicone-free, paraffin-based thermal compound changes phase at 60°C, with a concurrent volumetric expansion that fills gaps between the mating surfaces. Ultrastick comes in a convenient applicator bar, allowing for neat, fast application to both heat sink and component surfaces. One cost-effective application leaves a thin, film-like deposit, providing excellent heat transfer and low interface thermal resistance.

» MSDS Safety Sheet for Ultrastick in PDF format 684K
» Application Instructions for Ultrastick
» Download PDF Datasheet

ultrastick

Temperature 200°
Volume Resistivity 1.0 X 1.015 Ohm-cm
Dielectric Strength 250 volts/mil
Consistency Paste
Bleed 0.6 max
Specific Gravity 0.28
Color Opaque White
Operating
Temperature Range		 -40°C to 200°C
Thermal
Impedance		 0.03°C-in2/W @ 20 psi
0.02°C-in2/W @ 100 psi
Shelf Life
 Indefinite

ultrastick

Thermalcote

Thermalcote™ is a superior thermal joint compound of thermally-loaded silicone-based grease for use with all heat sinks. It improves the transfer of thermal energy across the metal-to-metal interfaces between the transistor or rectifier case and the heat sink.
Thermalcote conducts heat approximately 15 times better than air and more than 4 times better than unloaded silicone grease. It is non-toxic, extremely stable, and neither cakes nor runs from -40° to 204°C (-40°F to 399°F).

» MSDS Safety Sheet for Thermalcote in PDF format 41K

Thermalcote Resistance Calculator
Enter the area of the device
that will contact the heat sink:		 mm2

Enter the grease thickness:
mm
 
Interface Resistance =

Formula


Color Opaque White
Operating
Temperature Range		 -40°C to 204°C (-40°F to 399°F).
Thermal
Conductivity		 0.765Wm-1°C-1 (0.442 Btu/hr ft °F
Dialectic
strength 1.27 mm gap(0.050" gap)
 11.8 x 103volts/mm (300volts/mil)
Cleaning
solvent
 Mineral Spirits
or Turpentine
Specific gravity 1.6
Evaporation, 24 hours@200°C (392°F), wt% 1
Shelf Life
 Indefinite1 (unopened)
One Year (opened)

(1) It is recommended that the containers be turned over every 6 months to minimize settling for ease of mixing.

Ordering Information
Part No. RoHS PCN Net Weight
249 28 grams (1 oz) tube
250G 57 grams (2 oz) tube
251G .45Kg. (1 lb) can
252G 2.27Kg. (5 lbs) can
253G 4.54Kg. (10 lbs) can


Thermalcote™II (discontinued)

Thermalcote™II has been discontinued
Aavid Thermalloy can no longer supply Thermalcote™II product.
Please see our Sil-Free™ line of product instead.

» MSDS Safety Sheet for Thermalcote II in PDF format 41K

Formula


Color Blue
Operating
Temperature Range		 -40°C to 200°C (-40°F to 392°F).
Thermal
Conductivity		 0.699Wm-1°C-1 (.204 Btu/hr ft °F
Dialectic
strength 1.27 mm gap(.050" gap)
 7.9 x 103volts/mm (200volts/mil)
Cleaning
solvent
 Mineral Spirits
or Turpentine
Specific gravity 2.93@60°F(15.6°C)
Evaporation, 24 hours@200°C (392°F), wt% 0.6 max
Shelf Life
 Indefinite1 (unopened)
One Year (opened)

(1) It is recommended that the containers be turned over every 6 months to minimize settling for ease of mixing.

Product Information
Part No. RoHS PCN Net Weight
349G
No longer available		 28 grams (1 oz) tube
350G
No longer available		 57 grams (2 oz) jar
351G
No longer available		 .45Kg. (1 lb) can










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