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Parker Chomerics CHO-FORM 5526 EMI Shielding Material

Category Polymer , Adhesive
Manufacturer Parker Chomerics
Trade Name CHO-FORM
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Parker Chomerics CHO-FORM 5526 EMI Shielding Material.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 High conductivity, Excellent Grounding and Shielding.Information provided by Chomerics
Physical Properties Metric English Comments
Specific Gravity 3.60 g/cc
3.60 g/cc
ASTM D792
Deformation 30 %
30 %
26.3 N/cm; ASTM D575 Modified
Mechanical Properties Metric English Comments
Hardness, Shore A 38
38
ASTM D2240
Tensile Strength at Break 0.552 MPa
80.0 psi
ASTM D412
Elongation at Break 75 %
75 %
ASTM D412
Compression Set 45 %

@Temperature 70.0 °C,
Time 79200 sec
45 %

@Temperature 158 °F,
Time 22.0 hour
ASTM D395 Method B
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 85.0 °C
185 °F
Flammability, UL94 V-0
V-0
Electrical Properties Metric English Comments
Volume Resistivity 0.0030 ohm-cm
0.0030 ohm-cm
Chomerics MAT-1002
Shielding Effectiveness >= 100 dB

@Frequency 2.00e+8 - 1.20e+10 Hz
>= 100 dB

@Frequency 2.00e+8 - 1.20e+10 Hz
Modified IEEE-299
Processing Properties Metric English Comments
Cure Time 18.0 min

@Temperature 22.0 °C
0.300 hour

@Temperature 71.6 °F
50% RH; Handling Time
240 min

@Temperature 22.0 °C
4.00 hour

@Temperature 71.6 °F
50% RH; Tack Free Time
1440 min

@Temperature 22.0 °C
24.0 hour

@Temperature 71.6 °F
50% RH; Full Cure
Shelf Life 6.00 Month

@Temperature 17.0 - 27.0 °C
6.00 Month

@Temperature 62.6 - 80.6 °F
Chomerics
Descriptive Properties Value Comments
Adhesion 9 N/cm
Trivalent Chromate Coating on Aluminum, Chomerics WI 1038
Cure Mechanism Moisture
Filler Ag
Number of Components 1
Resin System Silicone
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