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Automotive Molding

In the automotive molding sector, condensation- and addition-curing ELASTOSIL® M silicone rubber is used, for example, as a material for molds in the process of producing tire molds and in molding and surface design for car interiors (artificial leather, etc.).

Advantages:

  • Easy to process without expensive equipment
  • Very good environmental compatibility
  • Highly accurate reproduction
  • High mechanical strength

Applications:

  • Tire mold manufacturing (copying the CAD master and/or new design studies)
  • Production of interior equipment such as steering wheels and leather fittings

Product Recommendations

Table is scrollable
Products
Technical data
Product properties
Viscosity, dynamic Tear strength Hardness Shore A Tensile strength Elongation at break Resistance Regulation Product Rheology Crosslinking Property
CENUSIL® M 810 A/B 3000 mPa·s[1] 3000 mPa·s[1] 15 N/mm[6] 15 N/mm[6] 10[8] 10[8] 3.5 N/mm²[10] 3.5 N/mm²[10] 600 %[12] 600 %[12] - - Flowable No chemical shrinkage, Two-component, Addition Curing, Fast curing at room temperature
CENUSIL® M 820 A/B 6000 mPa·s[2] 6000 mPa·s[2] - - 20[8] 20[8] 4 N/mm²[10] 4 N/mm²[10] 500 %[12] 500 %[12] - - Flowable No chemical shrinkage, Two-component, Addition Curing, Fast curing at room temperature
ELASTOSIL® M 4601 A/B 15000 mPa·s[3] 15000 mPa·s[3] > 30 N/mm[6] > 30 N/mm[6] 28[9] 28[9] 6.5 N/mm²[11] 6.5 N/mm²[11] 700 %[13] 700 %[13] Resistance against casting resins Food-contact Flowable No chemical shrinkage, Two-component, Addition Curing
ELASTOSIL® M 4630 BLUE US A/B 12000 mPa·s[4] 12000 mPa·s[4] 170 lb/in[7] 170 lb/in[7] 20[9] 20[9] 740 psi[11] 740 psi[11] 640 %[13] 640 %[13] - - - -
ELASTOSIL® M 4635 US A/B 20000 mPa·s[5] 20000 mPa·s[5] 170 ppi[7] 170 ppi[7] 37[9] 37[9] 950 psi[11] 950 psi[11] 480 %[13] 480 %[13] - - - -
ELASTOSIL® M 4643 A/B 40000 mPa·s[3] 40000 mPa·s[3] > 10 N/mm[6] > 10 N/mm[6] 48[9] 48[9] 5 N/mm²[11] 5 N/mm²[11] 300 %[13] 300 %[13] Resistance against casting resins - Flowable No chemical shrinkage, Two-component, Addition Curing
ELASTOSIL® RT 623 US A/B 25000 mPa·s[5] 25000 mPa·s[5] 170 ppi[7] 170 ppi[7] 31[9] 31[9] 1000 psi[11] 1000 psi[11] 700 %[13] 700 %[13] - - - -
Legend
[1] Viscosity, dynamic | Brookfield,  [2] Viscosity, dynamic 23°C | ISO 3219,  [3] Viscosity, dynamic after stirring | 23 °C | ISO 3219,  [4] Viscosity, dynamic | 22 °C | ISO 3219,  [5] Viscosity, dynamic | 23 °C | Brookfield,  [6] Tear strength | ASTM D 624 B,  [7] Tear strength | ASTM 624 B,  [8] Hardness Shore A | DIN ISO 48-4,  [9] Hardness Shore A | ISO 868,  [10] Tensile strength | ISO 37 type 1,  [11] Tensile strength | ISO 37,  [12] Elongation at break | ISO 37 type 1,  [13] Elongation at break | ISO 37