ELASTOSIL® P 7684/60 A/B

Addition-curing RTV-2 silicone rubber curing to a silicone elastomer of low hardness.


  • low viscosity, easily pourable
  • mixing ratio 1 : 1
  • fast cure at room temperature which can be accelerated considerably by the application of heat
  • low hardness Shore A (~ 12)
  • translucent vulcanizate


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® P 7684/60 A/B can be used for molding applications in prosthetics.

Components A and B of ELASTOSIL® P 7683/25 A/B are homogeneously mixed in a ratio of 1 : 1 and vulcanize rapidly at temperatures above 100 °C. In a given application the required curing conditions (temperature and time) will also depend on the size and thickness of the specimen.


Detailed instructions for preparation and use are given in the brochure “Room Temperature Vulcanizing (RTV) Silicones - Material and Processing Guidelines”

Important note:
The platinum catalyst is in component A.

Only A and B components with the same batch number may be processed together!


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® P 7683/25 A/B 1400 mPa·s 1400 mPa·s 2.0 N/mm[2] 2.0 N/mm[2] - - 25 25 1.0 N/mm²[4] 1.0 N/mm²[4] 500 %[5] 500 %[5]
ELASTOSIL® P 7684/40 A/B 2000 mPa·s[1] - 6 N/mm[2] 6 N/mm[2] 4[6] 4[6] 40[3] - 2 N/mm²[4] 2 N/mm²[4] 600 %[5] 600 %[5]
ELASTOSIL® P 7684/60 A/B 2000 mPa·s[1] - 13 N/mm[2] 13 N/mm[2] 12[6] 12[6] 60[3] - 3 N/mm²[4] 3 N/mm²[4] 600 %[5] 600 %[5]
[1] Viscosity, dynamic | DIN EN ISO 3219,  [2] Tear strength | ASTM D 624 B,  [3] Hardness Shore 00 | ASTM 2240 / Type 00,  [4] Tensile strength | ISO 37,  [5] Elongation at break | ISO 37,  [6] Hardness Shore A | ISO 868 


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