Wacker Elastosil® R 490/55 Silicone Rubber

Login to see your most recently viewed materials here. Or if you don't have an account with us yet, then click here to register.

(Viewing data as-entered. Click here to return)

Wacker Elastosil® R 490/55 Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	ELASTOSIL® R 490/55 is a phenyl silicone rubber (PMVQ) and was developed for the manufacturing of articles with good low temperature flexibility. Application: ELASTOSIL® R 490/55 is suitable both for extrusion of tubes and profiles and for compression, transfer and injection molding The vulcanizates maintain flexibility to temperatures even lower than -100 °C. Information provided by Wacker Chemie AG.
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
Printer friendly version Download as PDF Download to Excel (requires Excel and Windows) Export data to your CAD/FEA program Add to Folder:

Physical Properties	Original Value	Comments

Density	1.17 g/cc	ISO 1183-1 A

Mechanical Properties	Original Value	Comments
Hardness, Shore A	50	curing agent E; DIN 53505
	53	curing agent C1; DIN 53505
Tensile Strength at Break	11.0 MPa	curing agent C1; DIN 53504 S1
	11.0 MPa	curing agent E; DIN 53504 S1
Elongation at Break	500 %	curing agent E; DIN 53504 S1
	520 %	curing agent C1; DIN 53504 S1
Rebound	49 %	curing agent C1; DIN 53512
	52 %	curing agent E; DIN 53512
Tear Strength	30.0 kN/m	curing agent C1; ASTM D624 B
	33.0 kN/m	curing agent E; ASTM D624 B
Compression Set	28 % @Temperature 175 °C, Time 79200 sec	curing agent C1; DIN ISO 815-B
	39 % @Temperature 175 °C, Time 79200 sec	curing agent E; DIN ISO 815-B

Optical Properties	Original Value	Comments
Transmission, Visible	90 %	"Transparent" but manufacturer does not quantify.

Processing Properties	Original Value	Comments
Cure Time	10.0 min @Treatment Temp. 135 °C	curing agent E, press cured, 4hr/200°C
	15.0 min @Treatment Temp. 165 °C	curing agent C1, press cured, 4hr/200°C
	15.0 min @Treatment Temp. 165 °C	curing agent C6, press cured, 4hr/200°C

Descriptive Properties
Appearance	transparent

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

Users viewing this material also viewed the following:
Precision Polymer Engineering S60E Silicone Rubber
ASTM A526 Galvanized Steel
Techmer ES HiFill® PPA GF30 HS L 30% Glass Filled
ASTM A642 Galvanized Steel

PWACK9211 / 204740

	Advertise with MatWeb!
	Data sheets for over 180,000 metals, plastics, ceramics, and composites.
	HOME • SEARCH • TOOLS • SUPPLIERS • FOLDERS • ABOUT US • FAQ • LOG IN

System Message