ELASTOSIL® R 512/70 OH

ELASTOSIL® R 512/70 OH is a peroxide curing 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 512/70 OH forms a ceramic-like layer with high insulation resistance, good mechanical stability and low smoke formation.

 

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

 

ELASTOSIL® R 512/70 OH is also available as 2-component-system (ELASTOSIL® R 512/70-1 & -2). The advantage is that the properties of the compound can be adjusted easily by modifying the mixing ratio of component -1 & -2 for the particular application.

 

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

 


 

Specific features of ELASTOSIL® R 512/70 OH

  • Ceramifying

 

 

 

 

Packaging

This product is available in 20 kg and 540 kg cardboard packaging.

 

Special delivery forms are possible but depend on several technical and commercial aspects. Please contact your local sales manager in such cases.

Storage

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 Chemical Corporation
S State Road 4950
Ann Arbor, MI 48108
United States
+1  888  922-5374 (Phone)
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Products Technical data
Appearance Hardness Shore A Tensile strength Elongation at break Tear strength Compression Set
ELASTOSIL® R 502/75 OH white white 73[2] 73[2] 8,7 N/mm²[4] 8,7 N/mm²[4] 400 %[6] 400 %[6] 24 N/mm[8] 24 N/mm[8] 56 %[9] 56 %[9]
ELASTOSIL® R 512/70 OH opaque opaque 70[2] 70[2] 6,5 N/mm²[4] 6,5 N/mm²[4] 300 %[6] 300 %[6] 18 N/mm[8] 18 N/mm[8] 41 %[9] 41 %[9]
ELASTOSIL® R 757/60 transluzent[1] transluzent[1] 62[3] 62[3] 8,5 mPa[5] 8,5 mPa[5] 400 %[7] 400 %[7] > 27 N/mm[8] > 27 N/mm[8] - -
Legend
[1] Appearance | DIN ISO 2137,  [2] Hardness Shore A | DIN ISO 48-4,  [3] Hardness Shore A | DIN 53505 | ± 5,  [4] Tensile strength | ISO 37 type 1,  [5] Tensile strength | DIN 53404 S1,  [6] Elongation at break | ISO 37 type 1,  [7] Elongation at break | DIN 53404 S1,  [8] Tear strength | ASTM D 624 B,  [9] Compression Set | 22 h | 175 °C | DIN ISO 815-1 type B method A 

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

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