ELASTOSIL® R 862/60 OH

Vulcanizates of ELASTOSIL® R 862/60 OH possess particularly good resistance to hot air in combination with several heat stabilizers. The vulcanizates are highly elastic and show extraordinary low compression set.



Properties

ELASTOSIL® R 862/60 is a heat resistant peroxide-curing silicone rubber.

 

The addition of heat stabilizers at service temperatures of more than 180 °C is recommended.

 

Further information to improve the heat stability by use of specific ELASTOSIL® AUX Heat Stabilizers can be obtained from the Technical Information Sheet "ELASTOSIL® AUX Stabilizers H" or from the latest brochures.

Specific features of ELASTOSIL® R 862/60 OH

  • Heat resistant
  • High rebound resilience
  • Ultra-low compression set

Disclaimer

All the information provided is in accordance with the present state of our knowledge. Nonetheless, we disclaim any warranty or liability whatsoever and reserve the right, at any time, to effect technical alterations. The information provided, as well as the product's fitness for an intended application, should be checked by the buyer in preliminary trials. Contractual terms and conditions always take precedence. This disclaimer of warranty and liability also applies particularly in foreign countries with respect to third parties' rights.

ELASTOSIL® R 862/60 OH is a peroxide curing high consistency silicone rubber suitable for the manufacture of molded articles like gaskets and bellows. Vulcanizates provide excellent heat stability by adding appropriate heat stabilizers, such as 1,5% ELASTOSIL® AUX Stabilizer H3 or 3% ELASTOSIL® AUX Stabilizer H1.

To obtain optimum compression set values it is advisable to post-cure articles made of ELASTOSIL® R 862/60 OH for 4 hours at 200°C.
 

The raw rubber requires the addition of peroxides for vulcanization at elevated temperatures. A homogeneous  incorporation is a must, but please avoid temperatures >30°C along the incorporation process in order to maintain best processing behavior. Pot life is depending on the used peroxide and storage condition.

For detailed information please refer to the latest edition of our brochure "SOLID AND LIQUID SILICONE RUBBER - MATERIAL AND PROCESSING GUIDELINES".

Packaging

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

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 Chemical Corporation
3301 Sutton Road
Adrian, MI 49221-9397
United States
+1  888  922-5374 (Phone)
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More products

Products Technical data
Appearance Compression Set Density Elongation at break Hardness Shore A Tensile strength
ELASTOSIL® R 752/50 OH translucent translucent 38 %[5] 38 %[5] 1.18 g/cm³[1] 9.848 lb/gal[1] 770 %[4] 770 %[4] 50[2] 50[2] 9.9 N/mm²[3] 9.9 N/mm²[3]
ELASTOSIL® R 752/70 OH translucent translucent 19 %[5] 19 %[5] 1.22 g/cm³[1] 10.181 lb/gal[1] 460 %[4] 460 %[4] 70[2] 70[2] 8.5 N/mm²[3] 8.5 N/mm²[3]
ELASTOSIL® R 756/40 OH transparent transparent 9 %[5] 9 %[5] 1.11 g/cm³[1] 9.263 lb/gal[1] 610 %[4] 610 %[4] 41[2] 41[2] 8.8 N/mm²[3] 8.8 N/mm²[3]
ELASTOSIL® R 756/50 OH transparent transparent 9 %[5] 9 %[5] 1.11 g/cm³[1] 9.263 lb/gal[1] 540 %[4] 540 %[4] 47[2] 47[2] 9.5 N/mm²[3] 9.5 N/mm²[3]
ELASTOSIL® R 756/60 OH transparent transparent 9 %[5] 9 %[5] 1.15 g/cm³[1] 9.597 lb/gal[1] 440 %[4] 440 %[4] 59[2] 59[2] 10.0 N/mm²[3] 10.0 N/mm²[3]
ELASTOSIL® R 756/70 OH transparent transparent 10 %[5] 10 %[5] 1.18 g/cm³[1] 9.848 lb/gal[1] 380 %[4] 380 %[4] 70[2] 70[2] 10.0 N/mm²[3] 10.0 N/mm²[3]
ELASTOSIL® R 861/60 S translucent translucent - - approx. 1.16 g/cm³[1] approx. 9.681 lb/gal[1] - - - - - -
ELASTOSIL® R 861/70 S translucent translucent - - 1.16 g/cm³[1] 9.681 lb/gal[1] - - - - - -
ELASTOSIL® R 862/60 OH transparent transparent 5 %[5] 5 %[5] 1.15 g/cm³[1] 9.597 lb/gal[1] 280 %[4] 280 %[4] 62[2] 62[2] 8.2 N/mm²[3] 8.2 N/mm²[3]
Legend
[1] Density | DIN EN ISO 1183-1 A,  [2] Hardness Shore A | ISO 7619-1,  [3] Tensile strength | ISO 37 type 1,  [4] Elongation at break | ISO 37 type 1,  [5] Compression Set | 22 h | 175 °C | DIN ISO 815-1 type B method A | post-cured 4 h / 200 °C 

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