CHT ALPATEC 5663/20 RTV Silicone Adhesive Sealant

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CHT ALPATEC 5663/20 RTV Silicone Adhesive Sealant
Categories:	Polymer; Thermoset; Silicone; Silicone, RTV, Adhesive/Sealant Grade
Material Notes:	Description: This is a 1-part, RTV (Room Temperature Vulcanizing) silicone adhesive sealant. It is one in a range of Acetoxy cure products which are solvent free. During cure, it liberates a very small amount of acetic acid, giving rise to the familiar ‘vinegar’ odour, which quickly dissipates after cure. It exhibits good primer-less adhesion to many substrates including but not limited to; aluminium, nonferrous metals, steel, glass, enamelled surfaces, fabrics ceramics, thermosetting, thermoplastics and wood and cures rapidly at room temperature when in contact with atmospheric moisture. This product is not to be recommended for use with galvanized metals, ferrous metals, copper and its associated alloys or in electronic assemblies. Key Features Flowable, high self-levelling characteristics Quick tack-free skin formation Excellent latex release Good temperature stability from – 60 °C/-76°F to + 200°C/392°F Key Applications: Excellent weatherability, remain flexible Application: Sealing and bonding of glass panes to metal, coating conveyor belts Information provided by CHT Group
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Physical Properties	Original Value	Comments

Density	1.10 g/cc	DIN 53 479, 23

Mechanical Properties	Original Value	Comments
Hardness, Shore A	15	DIN 53 505
Tensile Strength	145 psi	DIN 53 504, S 3 A
Elongation at Break	350 %	DIN 53 504, S 3 A
Modulus of Elasticity	0.000350 GPa @Strain 100 %	DIN 53 504, S 3 A

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	200 °C
Minimum Service Temperature, Air	-60.0 °C

Processing Properties	Original Value	Comments
Cure Time	16.0 min	Skin formation; DIN 50 014 - 23/50-2
Shelf Life	12.0 Month

Descriptive Properties
Color	Black
Cure type	Acetate
Flow	105 mm	10 ml
Self Bonding	Yes

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PCHTSIL178 / 314661

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