Momentive Performance Materials GE Silicones SilGlaze II SCS2811-D1 Silicone Backbedding Sealant

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Momentive Performance Materials GE Silicones SilGlaze II SCS2811-D1 Silicone Backbedding Sealant
Categories:	Polymer; Thermoset; Silicone
Material Notes:	SilGlaze II SCS2811-D1 silicone back bedding sealant is a one-part, neutral, very fast cure, high modulus silicone sealant that develops significant green strength in the early cure hours. SilGlaze II SCS2811-D1 silicone back bedding sealant may be an excellent candidate for use as a bedding seal in the construction of residential and commercial doors and windows. Features: Silicone Durability, Primerless Adhesion, Fast Green Strength, ±25% Movement Capacity, Standard Equipment, Excellent Process ability, Easy Repairs, Product Chemistry. Applications: SilGlaze II SCS2811-D1 sealant may be used for in-shop window fabrication as a bedding bead or for cap, toe, heel head applications and for general purpose sealing. Information provided by Momentive Performance Materials.
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Physical Properties	Original Value	Comments

Volatile Organic Compounds (VOC) Content	<= 34 g/l	Uncured; WPSTM C1454

Mechanical Properties	Original Value	Comments
Hardness, Shore A	24	ASTM D2240
Tensile Strength, Ultimate	1.95 MPa	ASTM D412
Elongation, Ultimate	415 %	ASTM D412
Peel Strength	34.0 pli @Temperature 23.9 °C, Time 1.81e+6 sec	50% Relative Humidity.; ASTM C794

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	300 °F
Minimum Service Temperature, Air	-55.0 °F

Processing Properties	Original Value	Comments
Processing Temperature	23.0 °C @Time 1.81e+6 sec	Cure as Tested at 50% RH
Cure Time	72.0 - 96.0 hour	Most common bead sizes.
	<= 24.0 hour @Temperature 24.0 °C	1/4" deep section.
Tack-Free Time	15.0 min @Temperature 22.2 °C	50% RH; ASTM C679
Working Life	5.00 - 10.0 min

Descriptive Properties
Appearance	Paste
Color	Translucent	SilGlaze II SCS2811-D1 sealant
Consistency / Sag	0.1” max.	ASTM D2202
Joint Movement Capability	+/- 25%	ASTM C719.
Silicone Content (%)	100	Uncured
UV & Weathering Resistance	Excellent	GE 20 yr study

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PMOMEN9921 / 265731

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