NovaTherm – Thermal Management Silicones

Overview Applications Products Downloads

Silicones offer dependable battery power and increased power density for emerging EV and battery system technologies. The thermal conductivity of Novagard silicones can be altered based on each application and customer requirements up to 5.0 W/mK with standard filler packages. Higher conductivity values are possible with exotic fillers.

Tailoring Thermal Properties

We can custom tailor the uncured and cured physical properties of silicone for complex thermal interface management needs. The thermal filler package can also be modified to impart specific performance characteristics. Our polymer technology capabilities extend to adhesion promoters, which have changed the game in terms of what is possible in adhesion performance.

Thermal gap fillers

  • Two-part dispensable gap filler – adhesive and non-adhesive, for heat curing at the application
  • One-part moisture-cure gap filler

Thermal gels

  • One-part lightly-crosslinked/Cured dispensable thermal gel

Thermal greases and dispensable pastes

  • Heat mitigation from high performance integrated circuits on power supply PCBs

Advanced products

  • Conductive foam, compressible and rigid
  • Engineered conductive composites

UNCURED PHYSICAL PROPERTIES

  • Viscosity
  • Thixotropy
  • Pot life
  • Thermal filler geometry based on the above

CURED PHYSICAL PROPERTIES

  • Adhesion to both standard electronics and difficult low surface energy substrates, including PET, FR4, PBT, polypropylene, copper, aluminum, brass, gold, and stainless steel
  • Shore hardness
  • Elongation
  • Tensile strength

Applications

  • EV – Automotive battery modules and gap fillers
  • Power systems – IGBT semiconductor & power supplies, fast-charging drive systems
  • Servers – ASCIS, DSP, microprocessor with heat sinks or cold plates
  • LED lighting – Panels & modules
  • Telecommunications
  • Solar – Junction boxes & AC/DC converters
  • Wiring harness pin connectors

Products

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—600-303600-305600-307600-310
Physical Properties
FormFlowableFlowableFlowableSemi-Flowable
Cure Chemistry2-part, Addition Cure2-part, Addition Cure2-part, Addition Cure2-part, Addition Cure
Uncured Properties
Appearance - Part AWhiteWhiteWhiteWhite
Appearance - Part BPinkPinkPinkSalmon
ThixotropyNANANANA
Viscosity - Part A 10s-1280 cPs4,000 cPs6,600 cPs27,000 cPs
Viscosity - Part B 10s-1200 cPs4,400 cPs5,800 cPs42,000 cPs
Mixed Viscosity240 cPs4,200 cPs6,200 cPs34,500 cPs
Density @25°C
(ASTM D792)		1.3 g/cm31.7 g/cm31.8 g/cm32.2 g/cm3
Mixed Ratio1:11:11:11:1
Working Life (Pot Life)> 1 hour> 1 hour> 1 hour> 1 hour
Cured Properties
Shore A Durometer Hardness
(ASTM D2240)		42525363
Appearance (Mixed)Light PinkPinkPinkSalmon
Adhesive Strength
(Aluminum Lap Shear)
(ASTM D3163)		------15 psi
Dielectric Strength
(ASTM D149)		5.2 kV/mm8.4 kV/mm6.9 kV/mm8.8 kV/mm
Dielectric Constant @ 100 Hz
(ASTM D150)		3.54.14.14.9
Volume Resistivity @ 100V, 20mA
(ASTM D257-14)		8.2 x 1015 Ohms-cm6.4 x 1016 Ohms-cm3.6 x 1015 Ohms-cm9.9 x 1015 Ohms-cm
Dissipation Factor @ 100 Hz
(ASTM D150)		0.04100.00120.00300.0020
Thermal Conductivity, TC (W/mK)
(ASTM D5470)		0.30.50.71.0
Flammability (UL-94)
(UL 94 VO)
Downloads
TDS DownloadDownloadDownloadDownloadDownload
SDS A DownloadDownloadDownloadDownloadDownload
SDS B DownloadDownloadDownloadDownloadDownload
Sell SheetDownloadDownloadDownloadDownload
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—600-315600-320600-325600-330600-335
Physical Properties
FormPastePastePastePastePaste
Cure Chemistry2-part, Addition Cure2-part, Addition Cure2-part, Addition Cure2-part, Addition Cure2-part, Addition Cure
Uncured Properties
Appearance - Part AWhiteWhiteWhiteWhiteWhite
Appearance - Part BSky BlueDark BlueGreen-YellowYellowDark Gray
ThixotropyNANANANANA
Viscosity - Part A 10s-165,000 cPs45,000 cPs110,000 cPs57,000 cPs27,000 cPs
Viscosity - Part B 10s-164,000 cPs40,000 cPs60,000 cPs38,000 cPs28,000 cPs
Mixed Viscosity64,500 cPs42,000 cPs85,000 cPs50,000 cPs27,500 cPs
Density @25°C
(ASTM D792)		2.6 g/cm32.8 g/cm33.3 g/cm33.0 g/cm33.1 g/cm3
Mixed Ratio1:11:11:11:11:1
Working Life (Pot Life)> 1 hour> 1 hour> 1 hour> 1 hour> 1 hour
Cured Properties
Shore A Durometer Hardness
(ASTM D2240)		7558767068
Appearance (Mixed)Sky BlueBlueLime GreenYellowGray
Adhesive Strength
(Aluminum Lap Shear)
(ASTM D3163)		----------
Dielectric Strength
(ASTM D149)		7.8 kV/mm11.0 kV/mm8.0 kV/mm11.0 kV/mm11.0 kV/mm
Dielectric Constant @ 100 Hz
(ASTM D150)		5.96.46.27.07.2
Volume Resistivity @ 100V, 20mA
(ASTM D257-14)		6.8 x 1015 Ohms-cm1.4 x 1016 Ohms-cm1.3 x 1016 Ohms-cm1.1 x 1016 Ohms-cm9.1 x 1015 Ohms-cm
Dissipation Factor @ 100 Hz
(ASTM D150)		0.00340.00520.05650.01100.0133
Thermal Conductivity, TC (W/mK)
(ASTM D5470)		1.52.02.53.03.5
Flammability (UL-94)
(UL 94 VO)
Downloads
TDS DownloadDownloadDownloadDownloadDownloadDownload
SDS A DownloadDownloadDownloadDownloadDownloadDownload
SDS B DownloadDownloadDownloadDownloadDownloadDownload
Sell SheetDownloadDownloadDownloadDownloadDownload
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*The values outlined reflect testing that was conducted under laboratory conditions, actual results may vary. The information provided in the above table is not intended for use in preparing specifications. Please consult manufacturer for additional information.

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