Technical Data Sheet BERGQUIST GAP FILLER TGF 4500CVO November -2020 PRODUCT DESCRIPTION BERGQUIST GAP FILLERTGF 4500CVO has controlled BERGQUIST GAP FILLERTGF 4500CVO provides the volatile outgassing siliconesforsensitive applications and high followingproduct characteristics: dispensingrate in customer application.Thisliquid-dispensed material offersinfinitethickness variation and impart littleand reduced stress on components during assembly . As cured, Technology 2K Silicone BERGQUIST GAP FILLERTGF 4500CVO offersa soft, Appearance (Part A) White thermally conductive, form-in-place elastomer to fillvoids and Appearance (Part B) Pink gaps in the customer assembly . Appearance (cured) Pink Components Two components -requires mixing TYPICAL PROPERTIES OF UNCURED MATERIAL Mix Ratio by weight: 1 :1 Part A:Part B Part A Properties Mix Ratio by volume: 1 :1 Viscosity, mPas (cP) : -1 Part A:Part B 20,000 Highshear rate, 1,500s ,ASTM D5099 Product Benefits Thermal conductivity: 4.5 W/mK -1 522,000 Low shear rate, 1.0s ,DIN53019 Extended working time for manufacturing flexibility ShelfLife 25C, days 180 ControlledVolatileSilicones Highdispensethroughput Part B Properties Optimized viscosity for Viscosity, mPas (cP) : automated dispensing -1 processes 11,000 Highshear rate, 1,500s ,ASTM D5099 -1 Cure Room temperature or heat cure 361,000 Low shear rate, 1.0s ,DIN53019 Operating Temperature -60 to 200C Application Thermal material ,Liquid gap filler ShelfLife 25C, days 180 Typical Applications Power inverter Surface mount power switching Mixed Properties EV charger Density ,ASTM D792,g/cc 3.2 Use between heat generating semiconductor packages and Work Life,ASTM D4473: heat sink 25C ,hours 21 50C ,minutes 60 85C ,minutes 3 BERGQUIST GAP FILLERTGF 4500CVO isa two-part, high performance, thermally conductive, liquid gap fillingmaterial . The mixed material willcure at room temperature .Cure can be accelerated with the addition ofheat . TDS BERGQUIST GAP FILLERTGF 4500CVO , November -2020 TYPICAL CURING PERFORMANCE Storage Store product in the unopened container in a dry location. Cure Schedule (Room Temperature cure) Storage information may be indicated on the product container 48 hours 25C labeling. Alternate Cure Schedule Optimal Storage: 25C. Storage above 25C can adversely 4 hours 50C or affect product properties. 30 minutes 85C Material removed from containers may be contaminated during use. Do not return product to the originalcontainer. Henkel The above cure profile(s)are guideline recommendation(s). Corporation cannot assume responsibilityforproduct which These conditions (time and temperature) may vary based on has been contaminated or stored under conditions other than customers experience and specificapplication requirements, those previously indicated. Ifadditional information isrequired, as well as customer curing equipment, oven loading and pleasecontact your localHenkel Representative. actual oven temperatures. Conversions (C x 1.8)+ 32 = F TYPICAL PROPERTIES OF CURED MATERIAL kV/mm x 25.4 = V/mil Physical Properties mm /25.4 = inches Hardness, Shore 00,ASTM D2240 70 Nx 0.225= lb/F Heat Capacity ,ASTM E1269,J/g-K 0.8 N/mm x 5.71= lb/in Siloxane Content, D 4 -D10 ,ASTM F2466,ppm <300 psi x 145 = N/mm MPa = N/mm Flammability, UL 94 V-0 Nm x 8.851 = lbin Nm x 0.738= lbft Electrical Properties Nmm x 0.142 = ozin 11 Volume Resistivity ,ASTM D257,ohm-m 110 mPas = cP Dielectric Strength ,ASTM D149,V/mm 10,000 DielectricConstant ,ASTM D150 1,000 Hz 8.1 Thermal Properties Thermal Conductivity ,ASTM D5470,W/(m-K) 4.5 2 Thermal Impedance 40 mil,C-in /W: 10% Deflection 0.45 20% Deflection 0.38 30% Deflection 0.32 GENERAL INFORMATION Please consult the Safety Data Sheet (SDS) for safe handling information of this product. This product is not recommended for use in pure oxygen and/or oxygen rich systems and should not be selected as a sealant for chlorine or other strong oxidizing materials. CONFIGURATIONS AVAILABLE Cartridges Kits 50cc ,200cc ,400 cc ,1,200cc PailKits 6 gallons Not for product specifications The technical data contained herein are intended as reference only. Please contact your local quality department for assistance and recommendations on specifications for this product. For the most direct access to local sales and technical support visit: