ELASTOSIL® M 4641 A/B

$ELASTOSIL<sup>®</sup> M 4641 A/B

Pourable, addition-curing, two-component silicone rubber that vulcanizes at room temperature.

 

Main application: Vacuum casting for rapid prototyping especially suitable if crystal-clear casting resins are used.

 

Food contact (FDA/ BfR compliant).



Properties

  • Very good flow
  • Fast and non-shrink cure at room temperature which can be accelerated considerably by the application of heat
  • Medium Shore A hardness (approx. 43)
  • Good transparency of the cured rubber
  • High tear strength
  • Outstanding resistance to casting resins, particularly polyurethanes and epoxies, for long service life of the molds
  • Oil-free surfaces for crystal-clear resins

Specific features of ELASTOSIL® M 4641 A/B

  • Crosslinking Property: Two-component
  • Product Rheology: Low viscosity
  • Product Type: Two-component
  • Regulation: BfR compliant
  • Regulation: FDA compliant
  • Specific Features: BfR compliant
  • Specific Features: Excellent mechanical properties
  • Specific Features: FDA compliant
  • Specific Features: Low viscosity
  • Specific Features: Two-component
  • Vulcanizate: Excellent mechanical properties

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.

High-performance silicone mold-making compound which is particularly suitable for reproducing models with undercuts in polyurethane or epoxy resins.

 

Main field of application:

Vacuum casting for rapid prototyping especially suitable if crystal-clear casting resins are used.

Important note:

The platinum catalyst is in component A.


Important:

A and B components may only be used together if they have the same batch number.


Please check also our brochures and info sheets.

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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More products

Products Technical data
Viscosity, dynamic Tear strength Hardness Shore A Tensile strength Elongation at break
ELASTOSIL® M 4641 A/B 50000 mPa·s[1] - > 25 N/mm[4] > 25 N/mm[4] 43[5] 43[5] > 4.5 N/mm²[6] > 4.5 N/mm²[6] > 300 %[7] > 300 %[7]
ELASTOSIL® M 4644 A/B 70000 mPa·s[1] - > 25 N/mm[4] > 25 N/mm[4] 40[5] 40[5] 5.5 N/mm²[6] 5.5 N/mm²[6] 400 %[7] 400 %[7]
ELASTOSIL® M 4645 A/B 50000 mPa·s[1] - > 28 N/mm[4] > 28 N/mm[4] 40[5] 40[5] 5 N/mm²[6] 5 N/mm²[6] 330 %[7] 330 %[7]
ELASTOSIL® M 4670 A/B 120000 mPa·s[1] - > 12 N/mm[4] > 12 N/mm[4] 55[5] 55[5] 5.5 N/mm²[6] 5.5 N/mm²[6] 250 %[7] 250 %[7]
ELASTOSIL® VARIO 15 5.000 mPa·s[2] - 15[4] 15[4] 15[5] 15[5] 6.5 N/mm²[6] 6.5 N/mm²[6] 900 %[7] 900 %[7]
ELASTOSIL® VARIO 40 15.000 mPa·s[3] 15.000 mPa·s[3] 15 N/mm[4] 15 N/mm[4] 40[5] 40[5] 8[6] 8[6] 450 %[7] 450 %[7]
Legend
[1] Viscosity, dynamic after stirring | 23 °C | ISO 3219,  [2] Viscosity, dynamic 23°C, stirred | ISO 3219,  [3] Viscosity, dynamic 23° C, stirred | ISO 3219,  [4] Tear strength | ASTM D 624 B,  [5] Hardness Shore A | ISO 868,  [6] Tensile strength | ISO 37,  [7] Elongation at break | ISO 37 

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