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ELASTOSIL® M 4630 A/B

$ELASTOSIL<sup>®</sup> M 4630 A/B

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

 

Main application: Making molds for concrete casting.

 

Food contact (FDA/BfR compliant).

 

Available colors
  • White

Properties

  •  very good flow
  •  fast and non-shrink cure at room temperature which can be accelerated considerably by the application of heat
  •  low Shore A hardness (approx. 28)
  •  high tear strength
  •  excellent long-term stability of the mechanical properties of the vulcanizate
  •  outstanding resistance to concrete

Specific features of ELASTOSIL® M 4630 A/B

  • Addition Curing
  • BfR compliant
  • Excellent mechanical properties
  • FDA compliant
  • Flowable
  • Food-contact
  • Low viscosity
  • No chemical shrinkage
  • Resistance against casting resins
  • Resistance against concrete
  • Two-component

Due to its outstanding resistance to concrete and superior mechanical properties, ELASTOSIL® M 4630 A/B is ideal for use in molds for making concrete reproductions of models with deep undercuts.


As a low-shore, addition-curing RTV-2 silicone rubber, which cures without dimensional shrinkage, ELASTOSIL® M 4630 A/B is also extremely suitable for casting all other common reproduction materials, especially casting resins where absolutely accurate copies of models with pronounced undercuts are required.

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 B.


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

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 Chemicals Middle East
Dubai Silicon Oasis s/n
0001 Dubai
United Arab Emirates
+971  4  709-9999 (Phone)
+971 4 709-9911  (Fax)
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Products Technical data
Viscosity, dynamic Tear strength Hardness Shore A Tensile strength Elongation at break
CENUSIL® M 830 A/B 8000 mPa·s[1] 8000 mPa·s[1] > 20 N/mm[3] > 20 N/mm[3] 26[4] 26[4] 5 N/mm²[6] 5 N/mm²[6] 500 %[8] 500 %[8]
ELASTOSIL® M 4630 A/B 15000 mPa·s[2] 15000 mPa·s[2] > 30 N/mm[3] > 30 N/mm[3] 28[5] 28[5] 6.5 N/mm²[7] 6.5 N/mm²[7] 700 %[9] 700 %[9]
ELASTOSIL® M 4635 A/B 20000 mPa·s[2] 20000 mPa·s[2] > 30 N/mm[3] > 30 N/mm[3] 37[5] 37[5] 7 N/mm²[7] 7 N/mm²[7] 480 %[9] 480 %[9]
Legend
[1] Viscosity, dynamic | 23 °C | ISO 3219,  [2] Viscosity, dynamic after stirring | 23 °C | ISO 3219,  [3] Tear strength | ASTM D 624 B,  [4] Hardness Shore A | DIN ISO 48-4,  [5] Hardness Shore A | ISO 868,  [6] Tensile strength | ISO 37 type 1,  [7] Tensile strength | ISO 37,  [8] Elongation at break | ISO 37 type 1,  [9] Elongation at break | ISO 37 

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Wacker Chemicals Middle East
Dubai Silicon Oasis s/n
0001 Dubai
+971  4  709-9999 (Phone)

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