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General Purpose Sponge

 

 

Grades: SE510, SE515, SE524 & SE533

 

Temperature Range

-60°C to 230°C

 

 

AVAILABILITY

The SE range of cellular silicone elastomers is available as profile extrusions, jointed rings, sheeting, which can be self-adhesive backed, strip and punchings. They are particularly suited to use in high temperature seals and gaskets, where a soft, easily deformed rubber is required. There is a full range of standard colours available and Silicone Engineering has the capability to colour match to customer requirements. Sheeting is available in standard rolls of width 1m; other widths can be produced upon request.

 

** Other specific sponge grades available include Flame retardant grades, SE515 & SE524 AFS1682, AMS3195, AMS3196 & BMS 1-60**

 

SPECIFICATIONS

These products meet the flammability requirements of FAR 25/JAR 25/CS 25 Appendix F, Part 1, (a)(1)(iv) and (a)(1)(v) horizontal flammability tests.

Grades SE515, SE524 and SE533 have been approved by the WRAS (Water regulations advisory service) as materials for use in contact with potable water at temperatures up to 85°C. The listing number is 0802502.

The sponge is predominately-closed cell with low water absorption                                                                        

 

GENERAL CHARACTERISTICS

Brittle Point

-80°C (-112 °F)

ASTM D746

Limiting Oxygen Index

24.0 %

BS 2872 Part 1

Thermal Conductivity (SE515)

6.4x10-2 W.m-1.K-1

BS 874 Part 2

Radiation Resistance

>105 Grays (107 Rads) typical

 


Environmental Resistance 

Silicone rubber products have an excellent resistance to ozone, oxidation, ultraviolet light, corona discharge, cosmic radiation, ionising radiation and weathering in general.

Silicone rubber products produce very low levels of toxic fume when burnt. During testing to ATS 1000.001 none of the following gases were produced in detectable amounts: HCN, CO, NO, NO2, SO2, -H2S, HF, HCl. 


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