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ELASTOSIL® M 4370 A/B

$ELASTOSIL<sup>®</sup> M 4370 A/B

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

 

Main application: Silicone surface for printing rollers, making molds for casting low-melting metal alloys.

 

Food contact (FDA/ BfR compliant).


特性

  • Very good flowability and self-deaeration
  • Fast and non-shrink cure at room temperature which can be accelerated considerably by the application of heat
  • High hardness (Shore A approx. 55)
  • Very good heat resistance
  • Outstanding resistance to common casting resins

ELASTOSIL® M 4370 A/B的特殊性能

  • 低粘度
  • 加成固化
  • 双组分
  • 易流动的
  • 符合BfR
  • 符合FDA
  • 耐低熔金属及金属合金
  • 耐热性
  • 耐铸造树脂

Being an addition-curing and thus a non-shrink vulcanizing rubber with high hardness, ELASTOSIL® M 4370 A/B is particularly suitable for molding applications in which high elongation and tear resistance can be sacrificed in favor of excellent deformation resistance and thermal stability, e. g., for making molds of models with nor or only minor undercuts if, in addition to absolute accuracy of reproduction, good heat dissipation and high rigidity are required.


Typical applications are molds with
 

  • high rigidity for foaming resins
  • high swelling resistance to components of casting resins, such as styrene in the case of polyesters
  • high thermal stability and heat dissipation for casting low-melting metal alloys

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.


Thin-walled molds are best suited for casting low-melting metal alloys (melting point: 300 °C max.) and should be placed on a sheet of aluminum or other material with high thermal conductivity. Before the casting process, the old should be post-cured for a few hours at about 150 °C. In order to improve wetting by the molten metal, a thin layer of extremely fine silicon carbide, graphite powder or acetylene black should be applied to the mold surface. The first castings have normally to be discarded since the rubber still emits gases, giving the surface of the casting a pockmarked appearance.


Comprehensive instructions are given in our leaflet "ROOM TEMPERATURE VULCANIZING (RTV) SILICONES".

Detailed information on other mold-making compounds in the ELASTOSIL ® M range is contained in our brochure "MOLDMAKING: FORM HAS NO LIMITS".

储存

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.

销售和支持

Wacker Chemicals (China) Co.,Ltd.
Caohejing Hi-Tech Park
200233 Shanghai
中国大陆
+86  21  6130-2000 （电话）
+86 21 6130-2500  （传真）
Contact Sales

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个产品 技术数据
Viscosity, dynamic 动态粘度 Tear strength Hardness Shore A Tensile strength Elongation at break
CENUSIL® M 810 A/B - - 3000 mPa·s[1] 3000 mPa·s[1] 15 N/mm[12] 15 N/mm[12] 10[15] 10[15] 3.5 N/mm²[17] 3.5 N/mm²[17] 600 %[20] 600 %[20]
CENUSIL® M 820 A/B - - 6000 mPa·s[2] 6000 mPa·s[2] - - 20[15] 20[15] 4 N/mm²[17] 4 N/mm²[17] 500 %[20] 500 %[20]
CENUSIL® M 825 A/B - - 8000 mPa·s[3] 8000 mPa·s[3] 20 N/mm[12] 20 N/mm[12] 25[15] 25[15] 5 N/mm²[17] 5 N/mm²[17] 450 %[20] 450 %[20]
CENUSIL® M 830 A/B - - 8000 mPa·s[3] 8000 mPa·s[3] > 20 N/mm[12] > 20 N/mm[12] 26[15] 26[15] 5 N/mm²[17] 5 N/mm²[17] 500 %[20] 500 %[20]
ELASTOSIL® FX 10 A/B - - 6000 mPa·s[3] 6000 mPa·s[3] > 20 N/mm[13] > 20 N/mm[13] 10[15] 10[15] 4.5 N/mm²[17] 4.5 N/mm²[17] 950 %[20] 950 %[20]
ELASTOSIL® M 1470 - - - - > 10 N/mm[12] > 10 N/mm[12] 45[16] 45[16] 4.5 N/mm²[18] 4.5 N/mm²[18] 230 %[21] 230 %[21]
ELASTOSIL® M 4115 A/B - - 2500 mPa·s[3] 2500 mPa·s[3] 5 N/mm[12] 5 N/mm[12] 17[15] 17[15] 3 N/mm²[17] 3 N/mm²[17] 400 %[20] 400 %[20]
ELASTOSIL® M 4125 F A/B - - 6000 mPa·s[3] 6000 mPa·s[3] - - 28[16] 28[16] 5.0[19] 5.0[19] 500[21] 500[21]
ELASTOSIL® M 4370 A/B - - 350 mPa·s[4] 350 mPa·s[4] > 4 N/mm[12] > 4 N/mm[12] 55[15] 55[15] 3.0 N/mm²[18] 3.0 N/mm²[18] 130 %[21] 130 %[21]
ELASTOSIL® M 4400 - - 30000 mPa·s[5] 30000 mPa·s[5] > 3 N/mm[12] > 3 N/mm[12] 23[16] 23[16] 2 N/mm²[18] 2 N/mm²[18] 250 %[21] 250 %[21]
ELASTOSIL® M 4440 - - 25000 mPa·s[5] 25000 mPa·s[5] 4.5 N/mm[12] 4.5 N/mm[12] 37[16] 37[16] 2.5 N/mm²[18] 2.5 N/mm²[18] 220 %[21] 220 %[21]
ELASTOSIL® M 4470 - - 15000 mPa·s[6] 15000 mPa·s[6] > 4 N/mm[12] > 4 N/mm[12] 60[16] 60[16] 4.5 N/mm²[18] 4.5 N/mm²[18] 120 %[21] 120 %[21]
ELASTOSIL® M 4503 - - 40000 mPa·s[6] 40000 mPa·s[6] > 20 N/mm[12] > 20 N/mm[12] 25[15] 25[15] 20 N/mm²[18] 20 N/mm²[18] 350 %[21] 350 %[21]
ELASTOSIL® M 4511 - - 25000 mPa·s[5] 25000 mPa·s[5] > 18 N/mm[12] > 18 N/mm[12] 12[16] 12[16] 3.5 N/mm²[18] 3.5 N/mm²[18] 600 %[21] 600 %[21]
ELASTOSIL® M 4512 - - 30000 mPa·s[5] 30000 mPa·s[5] > 24 N/mm[12] > 24 N/mm[12] 20[16] 20[16] 3.5 N/mm²[18] 3.5 N/mm²[18] 500 %[21] 500 %[21]
ELASTOSIL® M 4514 - - 35000 mPa·s[6] 35000 mPa·s[6] > 25 N/mm[12] > 25 N/mm[12] 25[15] 25[15] 4.5 N/mm²[18] 4.5 N/mm²[18] 450 %[21] 450 %[21]
ELASTOSIL® M 4541 - - 40000 mPa·s[6] 40000 mPa·s[6] > 30 N/mm[12] > 30 N/mm[12] 32[16] 32[16] 5 N/mm²[18] 5 N/mm²[18] 400 %[21] 400 %[21]
ELASTOSIL® M 4600 A/B - - 20000 mPa·s[6] 20000 mPa·s[6] > 20 N/mm[12] > 20 N/mm[12] 20[16] 20[16] 7[18] 7[18] 800 %[21] 800 %[21]
ELASTOSIL® M 4601 A/B - - 15000 mPa·s[6] 15000 mPa·s[6] > 30 N/mm[12] > 30 N/mm[12] 28[16] 28[16] 6.5 N/mm²[18] 6.5 N/mm²[18] 700 %[21] 700 %[21]
ELASTOSIL® M 4642 A/B - - 20000 mPa·s[6] 20000 mPa·s[6] > 30 N/mm[12] > 30 N/mm[12] 37[16] 37[16] 7 N/mm²[18] 7 N/mm²[18] 480 %[21] 480 %[21]
ELASTOSIL® M 4643 A/B - - 40000 mPa·s[6] 40000 mPa·s[6] > 10 N/mm[12] > 10 N/mm[12] 48[16] 48[16] 5 N/mm²[18] 5 N/mm²[18] 300 %[21] 300 %[21]
ELASTOSIL® M 4670 A/B 120000 mPa·s[7] 120000 mPa·s[7] - - 15 N/mm[12] 15 N/mm[12] 55[15] 55[15] 5.5 N/mm²[17] 5.5 N/mm²[17] 280 %[20] 280 %[20]
ELASTOSIL® RT 480 300000 - 400000 mPa·s[8] 300000 - 400000 mPa·s[8] - - > 7 N/mm[12] > 7 N/mm[12] 55[16] 55[16] 4.5 N/mm²[18] 4.5 N/mm²[18] 170 %[21] 170 %[21]
ELASTOSIL® RT 625 A/B 25000 mPa·s[7] 25000 mPa·s[7] - - 30 N/mm[12] 30 N/mm[12] 25[15] 25[15] 6.5 N/mm²[17] 6.5 N/mm²[17] 600 %[20] 600 %[20]
ELASTOSIL® RT 646 A/B 110000 mPa·s[9] 110000 mPa·s[9] - - 12 N/mm[12] 12 N/mm[12] 53[15] 53[15] 5 N/mm²[17] 5 N/mm²[17] 280 %[20] 280 %[20]
ELASTOSIL® RT K - - - - > 3 N/mm[14] > 3 N/mm[14] 45[16] 45[16] 2 N/mm²[18] 2 N/mm²[18] 130 %[21] 130 %[21]
ELASTOSIL® VARIO 15 5.000 mPa·s[10] 5.000 mPa·s[10] - - 15[12] 15[12] 15[15] 15[15] 6.5 N/mm²[17] 6.5 N/mm²[17] 900 %[20] 900 %[20]
ELASTOSIL® VARIO 40 15.000 mPa·s[11] 15.000 mPa·s[11] - - 15 N/mm[12] 15 N/mm[12] 40[15] 40[15] 8 N/mm²[17] 8 N/mm²[17] 450 %[20] 450 %[20]
说明
[1] 动态粘度 | Brookfield,  [2] 动态粘度 23°C | ISO 3219,  [3] 动态粘度 | 23 °C | ISO 3219,  [4] 动态粘度 搅拌后 | 23 °C ,  [5] 动态粘度 after stirring | 23 °C | DIN EN ISO 3219,  [6] 动态粘度 after stirring | 23 °C | ISO 3219,  [7] Viscosity, dynamic after stirring | 23 °C | ISO 3219,  [8] Viscosity, dynamic | 23 °C | Brookfield,  [9] Viscosity, dynamic | 23 °C | ISO 3219,  [10] Viscosity, dynamic 23°C, stirred | ISO 3219,  [11] Viscosity, dynamic 23° C, stirred | ISO 3219,  [12] Tear strength | ASTM D 624 B,  [13] Tear strength | ASTM D 624, Die B,  [14] Tear strength | ASTM 624 B,  [15] Hardness Shore A | DIN ISO 48-4,  [16] Hardness Shore A | ISO 868,  [17] Tensile strength | ISO 37 type 1,  [18] Tensile strength | ISO 37,  [19] Tensile strength | DIN ISO 37,  [20] Elongation at break | ISO 37 type 1,  [21] Elongation at break | ISO 37 

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Wacker Chemicals (China) Co.,Ltd.
Caohejing Hi-Tech Park
200233 Shanghai
+86  21  6130-2000 （电话）

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