ELASTOSIL® SC 835 A/B

ELASTOSIL® SC 835 A/B is a flowable, addition-curing, two-component silicone rubber, forming a mainly closed cell foam.

ELASTOSIL® SC 835 A/B is perfectly suited for processing with automatic dispensing equipment. It is suitable for heat resistant CIPG foam gaskets in flat design.



Properties

  • low processing viscosity
  • good processability on automated dispensing equipment
  • easy control of mixing quality due to different colors of the components
  • no ozone damaging blowing agents
  • no release of toxic or strong smelling substances during foaming or curing
  • low heat of reaction (max. 40 °C)
  • low toxicity of thermal decomposition products 
  • long-term flexible over a temperature range of -50 °C to +200 °C
  • good chemical resistance

Specific features of ELASTOSIL® SC 835 A/B

  • Crosslinking Property: Two-component
  • Product Type: Two-component
  • Resistance: Heat resistant
  • Specific Features: Heat resistant
  • Specific Features: Low compression set
  • Specific Features: Two-component
  • Vulcanizate: Compressible
  • Vulcanizate: Foam

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.

  •  general purpose high and low temperature resistant sealing material
  •  suitable for sound and heat insulation
  •  shock and vibration damping at high temperature changes

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
3301 Sutton Road
Adrian, MI 49221-9397
United States
+1  888  922-5374 (Phone)
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Products Technical data
Viscosity, dynamic Tear strength Hardness Shore A Hardness Shore 00 Tensile strength Elongation at break
ELASTOSIL® RT 713 80000 mPa·s[1] - - - 23[5] 23[5] - - 1.5 N/mm²[9] 1.5 N/mm²[9] 300 %[13] 300 %[13]
ELASTOSIL® RT 728 A/B 1200 Pa.s[2] - 10 N/mm[17] 10 N/mm[17] 60[6] - - - 4 N/mm²[10] - 200 %[14] -
ELASTOSIL® RT 773 - - 4.4[17] 4.4[17] 35[7] - - - 1.2 N/mm²[11] - 100 %[15] -
ELASTOSIL® SC 835 A/B 15000 mPa·s[3] 15000 mPa·s[3] - - 20[8] - - - 450[12] - 80 %[16] -
ELASTOSIL® SC 870 A/B 40000 mPa·s[4] - - - 8 - 12[8] - 40 - 60[18] 40 - 60[18] 350 kPa[12] - 100 %[16] -
Legend
[1] Viscosity, dynamic (D = 25 1/s) | 23 °C | ISO 3219,  [2] Viscosity, dynamic (part A at shear rate 0.89 1/s) | DIN 53019,  [3] Viscosity, dynamic | 23 °C | Brookfield | Spindle 3, 2.5 rpm,  [4] Viscosity, dynamic | 23 °C | Brookfield | Spindle 5, 2.5UPM,  [5] Hardness Shore A | ISO 868,  [6] Hardness Shore A | DIN 53505,  [7] Hardness Shore A | DIN ISO 48-4,  [8] Hardness Shore A | DIN ISO 48-4 | (with skin),  [9] Tensile strength | ISO 37,  [10] Tensile strength | DIN 53504 S 1,  [11] Tensile strength | ISO 37 type 1,  [12] Tensile strength | ISO 1798,  [13] Elongation at break | ISO 37,  [14] Elongation at break | DIN 53504 S 1,  [15] Elongation at break | ISO 37 type 1,  [16] Elongation at break | ISO 1798,  [17] Tear strength | ASTM D 624 B,  [18] Hardness Shore 00 (with skin) | ASTM D 2240 

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