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Parker Chomerics CHOFORM® 5550 Conductive Form-in-Place Gasket

Category Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE)
Manufacturer Parker Chomerics
Trade Name CHOFORM®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Parker Chomerics CHOFORM® 5550 Conductive Form-in-Place Gasket.pdf
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Material Notes:
Description: A range of conductive particle technologies combined with thermoset and RTV silicone systems provide a material selection for most opportunities. Multiple filler grades balance material cost versus performance and can provide low cost alternatives for less demanding applications. Chomerics corrosion resistant materials inherently provide protection against galvanic activity. They may eliminate the need for nickel or tin plating and or secondary environmental gaskets. Chomerics general purpose materials exhibit excellent electrical and mechanical properties on metallic and shield plastic housing. Chomerics silver filled materials provide high shielding and conductivity critical for inter-compartmental shields. CHOFORM delivers a greater deflection range, lower deflection forces & improved reliability.Features: Lower deflection forces and a broad deflection range, Corrosion resistant materials can eliminate plating or secondary environmental gasket, Good adhesion to many substrates, Supply chain management providing ongoing logistics, Low cost and rapid prototyping and Soft Ni/C, Corrosion Resistant.Information provided by Chomerics
Physical Properties Metric English Comments
Specific Gravity 2.20 g/cc
2.20 g/cc
ASTM D395
Mechanical Properties Metric English Comments
Hardness, Shore A 55
55
ASTM D2240
Tensile Strength 1.21 MPa
175 psi
ASTM D412
Elongation at Break 175 %
175 %
ASTM D412
Tensile Impact 17.3 J/cm
32.4 ft-lb/in
Force Deflection at 30%; ASTM D575 Modified
Compression Set 25 %

@Temperature 70.0 °C,
Time 79200 sec
25 %

@Temperature 158 °F,
Time 22.0 hour
ASTM D395, Method B
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 125 °C
257 °F
Flammability, UL94 V-0
V-0
Electrical Properties Metric English Comments
Volume Resistivity 0.035 ohm-cm
0.035 ohm-cm
Chomerics MAT-1002
Shielding Effectiveness <= 65 dB
<= 65 dB
Modified IEEE-299
Processing Properties Metric English Comments
Cure Time 30.0 min

@Temperature 150 °C
0.500 hour

@Temperature 302 °F
Tack Free Time
30.0 min

@Temperature 150 °C
0.500 hour

@Temperature 302 °F
Handling Time
30.0 min

@Temperature 150 °C
0.500 hour

@Temperature 302 °F
Full Cure
Shelf Life 6.00 Month

@Temperature -12.0 - -8.00 °C
6.00 Month

@Temperature 10.4 - 17.6 °F
Chomerics
Descriptive Properties Value Comments
Adhesion 12 N/cm
Trivalent Chromate Coating on Aluminum, Chomerics WI 1038
Binder Silicone
Corrosion Resistance 20
Galvanic Resistance Against Aluminum
Cure System Thermal
Filler Ni/C
Number of Components 1
Resin System Silicone
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