Elkem (Bluestar Silicones) CAF® 520 Silicone Rubber

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Elkem (Bluestar Silicones) CAF® 520 Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	Description: CAF 520 is a one component silicone elastomer curing at Room Temperature: Neutral Self-adhesive Thixotrope Translucent, white Applications: 520 is a fast-curing, ready-to-use silicone elastomer suitable for sealing and bonding. It cross-links at room temperature to give a flexible seal. CAF 520 is used for following applications: Sealing and bonding of plastic materials. Bonding of headlight. Industrial maintenance. Domestic appliances. Electronics. Solar panels. Advantages: CAF 520 combines the advantages of: Primer-less adhesion. Odourless, it is particularly well accepted in the workstation environment. High cure rate. Its mechanical properties and good adhesion to many surfaces allow perfect assembly and full sealing between materials of different types as glass, metals, ceramics and plastics. Information provided by Bluestar Silicones
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Physical Properties	Original Value	Comments

Specific Gravity	1.02 g/cc
Storage Temperature	2.00 - 30.0 °C

Mechanical Properties	Original Value	Comments
Hardness, Shore A	15	ISO 868
Tensile Strength	58.0 psi	adhesion to Polycarbonate, 1 mm thick, 7 days curing, norm NM748, 100% Cohesive failure
	87.0 psi	adhesion to Epoxy-PES paint, on stainless steel, 1 mm thick, 7 days curing, norm NM748, 100% Cohesive failure
	102 psi	adhesion to glass, 1 mm thick, 7 days curing, norm NM748, 100% Cohesive failure
	102 psi	adhesion to Alu AG3, 1 mm thick, 7 days curing, norm NM748, 100% Cohesive failure
	102 psi	adhesion to Stainless Steel, 1 mm thick, 7 days curing, norm NM748, 100% Cohesive failure
	160 psi
Elongation at Break	500 %
100% Modulus	0.0435 ksi @Strain 100 %

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	150 °C
Minimum Service Temperature, Air	-60.0 °C

Processing Properties	Original Value	Comments
Extrusion Rate	50.0 g/min	3 mm, 3 bars, nom 495A
Cure Time	5.00 - 8.00 min	Skin formation
	7.00 hour @Thickness 2.00 mm
	24.0 hour @Thickness 4.00 mm
Tack-Free Time	30.0 min
Shelf Life	12.0 Month

Descriptive Properties
Appearance	Non flowing paste
Color	Translucent, white

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PBLUST093 / 191069

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