Specialty Materials for Electronic Assembly
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All Categories > Adhesives & Sealants > Silicone Adhesive/Sealants > Electronics Adhesive Sealants > Item # Sylgard® 577 Primerless Silicone Adhesive Kit  
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Item # Sylgard® 577 Primerless Silicone Adhesive Kit, Electronics Adhesive Sealants


Electronics Adhesive Sealants

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Gray; 2-part (10:1 mix ratio) – heat cure; medium viscosity providing flow/fill/self-leveling after dispensing process; long working time – reducing need for equipment purge/clean-up; cure can be accelerated with elevated temperatures for faster processing; two-part system enables deep section and confined cures; MIL-PRF-23586F QPL (qualified product listing); high tensile strength; UL 94V-0 flammability rating; room temperature storage




Specifications  · Features  · Potential or Typical Uses

Specifications

Type
Two-Part Heat Cure

One or Two Part
2

Color
Gray

Viscosity/Flowability
112500

Durometer
63 A

Tensile Strength
940 psi
6.5 MPa
65 kgf/cm²

Elongation
200 %

Specific Gravity
1.29

Working Time at Room Temperature
22 h

Heat Cure Time
60 min at 125 ºC

Unprimed Adhesion Lap Shear
960 psi
650 N/cm²
66 kgf/cm²

Linear Coefficient of Thermal Expansion
300 ppm

Shelf Life from Date of Manufacture
12 months at < 32 ºC

Dielectric Strength
500 V/mil
20 kV/mm

Dielectric Constant at 100 Hz
2.83

Dielectric Constant at 100 kHz
2.78

Dissipation Factor at 100 Hz
0.006

Dissipation Factor at 100 kHz
0.0004

Volume Resistivity
1.3E+15 O/cm

Agency Listing
UL 94V-0/ MIL-PRF-23586F


Features

Flowable; 10:1 mix ratio; heat cure; high tensile strength; long working time after mixing; no added solvents


Potential or Typical Uses

Sealing lids and housings; attaching baseplates; gasketing; connector sealing