Momentive Performance Materials GE Silicones Enduris 3525 Silicone Roof Coating

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Momentive Performance Materials GE Silicones Enduris 3525 Silicone Roof Coating
Categories:	Polymer; Thermoset; Silicone
Material Notes:	GE Enduris 3525 silicone roof coating is a high performing protective barrier for a variety of architectural surfaces and roofing substrates. Upon cure, Enduris 3525 silicone roof coating forms a durable, breathable and waterproof roofing membrane that is highly resistant to degradation from heat, cold, UV light, and natural weathering. Features: Silicone Durability, Low VOC Formula, Ease of Use, High Build Formulation, Storage & Shelf Life. Applications: For structurally sound roofing applications including over existing coatings, single ply, modified bitumen and BUR, foam, metal and other horizontal and vertical roofing. Perform an adhesion test on each surface type to verify adhesion. Information provided by Momentive Performance Materials.
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Physical Properties	Original Value	Comments

Solids Content	90 %	By volume.; ASTM D1644-01 (Modified)
	91 %	By weight.; ASTM D1644-01 (Modified)
Volatile Organic Compounds (VOC) Content	<= 24 g/l	EPA Method 24
Viscosity	20000 cP	ASTM D2196

Mechanical Properties	Original Value	Comments
Hardness, Shore A	36	ASTM D2370
Tensile Strength	1.41 MPa	ASTM D2370
Elongation at Break	350 %	ASTM D2370
Tear Strength	5.71 kg(f)/cm	ASTM D624

Optical Properties	Original Value	Comments
Emissivity (0-1)	0.89	Initial; ASTM C1371
	0.90	Accelerated aging test by QUV; ASTM C1371
Reflection Coefficient, Visible (0-1)	0.80	Solar Reflectance; Accelerated aging test by QUV; ASTM C1549
	0.85	Solar Reflectance; Initial; ASTM C1549

Processing Properties	Original Value	Comments
Tack-Free Time	45.0 - 60.0 min	ASTM D3960

Descriptive Properties
Color	White, tan, protection yellow, light gray, medium gray, black.
Low Temperature Flexibility	Pass	ASTM D522 (B).
Skin Over Time	20-25 minutes	WPSTM C-560
SRI Value	100	ASTM E1980. Accelerated aging test by QUV
	107	ASTM C1549. Initial
Water Vapor Permeance	9.3 perms	ASTM E96 (BW).

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PMOMEN9908 / 265717

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