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ELASTOSIL® R 502/75 MH E

ELASTOSIL® R 502/75 MH E is a peroxide crosslinking HCR silicone for the manufacture of silicone-insulated safety cables that maintain circuit integrity in case of fire.


Properties

In case of fire ELASTOSIL® R 502/75 MH E forms a ceramic-like layer with high insulation resistance, good mechanical stability and low smoke formation.

 

The color of the rubber is white. Colors will not match the RAL color codes of the masterbatches used in pellet form in the compound (pastel colors).
 

This product can be used within a temperature range of - 55 °C to + 210 °C.

Specific features of ELASTOSIL® R 502/75 MH E

  • Ceramifying
  • Flame retardant
  • High LOI

For flame resistant cable construction (safety cables). Cables containing ELASTOSIL® R 502/75 MH E have successfully passed standards, like NFC 32070 CR1, BS 6387 CWZ, DIN 4102, part 12 (E30,-60,-90), UL 2196, EN 50200, IEC 60331-11, etc.

Packaging

This product is available in  K540 (270 kg) cardboard packaging.

Special delivery forms as sheets (L0-2), endless bands (L8-X), endless cords (L4-X) and pellets (L5-0) are possible but depend on several technical and commercial aspects. Please contact your local sales manager in such cases.

Storage

Please store the cardboard boxes in a dry and cool place. Already opened boxes should be closed again to avoid any contamination. The 'Best use before end' date of each batch is shown on the product label. Storage beyond the date specified on the label does not necessarily mean that the product is no longer usable. In this case however, the properties required for the intended use must be checked for quality assurance reasons.

Sales and support

Wacker Chemicals Middle East
Dubai Silicon Oasis s/n
0001 Dubai
United Arab Emirates
+971  4  709-9999 (Phone)
+971 4 709-9911  (Fax)
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Products Technical data
Appearance Hardness Shore A Tensile strength Elongation at break Tear strength Compression Set
ELASTOSIL® R 502/75 MH E white white 71[1] 71[1] 8.7 N/mm²[2] 8.7 N/mm²[2] 262 %[3] 262 %[3] 17.7 N/mm[4] 17.7 N/mm[4] - -
ELASTOSIL® R 502/75 OH white white 73[1] 73[1] 8.7 N/mm²[2] 8.7 N/mm²[2] 400 %[3] 400 %[3] 24 N/mm[4] 24 N/mm[4] 56 %[5] 56 %[5]
ELASTOSIL® R 512/70 OH opaque opaque 70[1] 70[1] 6.5 N/mm²[2] 6.5 N/mm²[2] 300 %[3] 300 %[3] 18 N/mm[4] 18 N/mm[4] 41 %[5] 41 %[5]
Legend
[1] Hardness Shore A | DIN ISO 48-4,  [2] Tensile strength | ISO 37 type 1,  [3] Elongation at break | ISO 37 type 1,  [4] Tear strength | ASTM D 624 B,  [5] Compression Set | 22 h | 175 °C | DIN ISO 815-1 type B method A 

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Sales Contact

Wacker Chemie AG
Gisela-Stein-Strasse 1
81671 Munich
+49  89  6279-0 (Phone)

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