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垫片

瓦克的硅橡胶具备优异的密封性和粘接特性,耐介质,耐高温,寿命长久,能够保障功能安全,为乘员提供有效保护。特别在用于发动机舱时,瓦克的硅橡胶产品即便在高温、持续振动和与介质接触的恶劣条件下,亦可确保密封性能可靠。此外,有机硅是多层结构的高强抗耐纤维垫片不可或缺的组成部分。

优势:

  • 热稳定性高
  • 耐介质性优异

应用:

  • 气缸垫片
  • 基材浸渍(含硫或不含硫)
  • 对密封件轮廓进行丝网印制
  • 表层密封面涂

Product Recommendations

Table is scrollable
Products
Technical data
动态粘度 Shore density A Breaking strength 断裂伸长率
ELASTOSIL® A 4 21000 cP[1] 21000 cP[1] 50[3] 50[3] - - 100 % 100 %
ELASTOSIL® A 8 90 cP[1] 90 cP[1] - - - - - -
ELASTOSIL® A16 BLUE 30000 mPa·s[2] 30000 mPa·s[2] 65[3] 65[3] 2.76 mPa 2.76 mPa 50 %[4] 50 %[4]
Legend
[1] 动态粘度 | 25 °C | WSTM-2103,  [2] 动态粘度 cP | 25 °C | WSTM-2103,  [3] Shore density A | WSTM-1110,  [4] 断裂伸长率 | WSTM 1228,  [] Suited,  [] Well suited,  [] Ideally suited 

优势:

  • 耐燃油、机油及化学品
  • 渗油
  • 阻燃
  • 在大跨度的温度范围内(-90°C至+300°C)具有耐热性

应用:

  • 成型密封件
  • 发动机密封垫
  • 油底壳密封垫
  • 冷却系统密封件
  • 多芯电子连接器用密封垫,单线及径向密封件

优势:

  • 工艺灵活性强
  • 加工简便
  • 经济效益高
  • 可无损拆卸
  • 可对部件进行集成密封

应用:

  • 散热器密封
  • 水泵、油泵密封
  • 壳体密封
  • 隔音与保温
  • 抗震与抗振

Product Recommendations

Table is scrollable
Products
Technical data
Product properties
Viscosity, dynamic Tear-growth resistance Hardness Shore A Tensile strength Elongation at break Hardness Shore 00 Resistance Product Rheology Crosslinking Property Vulcanizate
ELASTOSIL® E4 - - 7.3 N/mm[1] 7.3 N/mm[1] 15[2] 15[2] 2 N/mm²[4] 2 N/mm²[4] 750 %[7] 750 %[7] - - - Non-slump - -
ELASTOSIL® RT 624 "4S" A/B VS 60000 mPa·s[10] 60000 mPa·s[10] - - - - - - - - - - - - - -
ELASTOSIL® RT 713 - - - - - - - - - - - - - Non-slump Fast curing under heat, One-component, Addition Curing Foam, Compressible
ELASTOSIL® RT 723 A/B 600000 mPa·s[11] 600000 mPa·s[11] 13.8 N/mm[1] 13.8 N/mm[1] - - 5.9 N/mm²[5] 5.9 N/mm²[5] 500 %[8] 500 %[8] - - Media resistant, Heat resistant, UV stable - Fast curing under heat, Two-component, Addition Curing -
ELASTOSIL® RT 773 - - 4.7 N/mm[1] 4.7 N/mm[1] 35[2] 35[2] 1.2 N/mm²[5] 1.2 N/mm²[5] 75 %[8] 75 %[8] - - Media resistant Shear thinning, Thixotropic, Non-slump Condensation-curing, Two-component Self-adhesive, Compressible, Low density, Electrically insulating
ELASTOSIL® SC 870 A/B 40000 mPa·s[12] 40000 mPa·s[12] - - 8 - 12[3] 8 - 12[3] 350 kPa[6] 350 kPa[6] 100 %[9] 100 %[9] 40 - 60[13] 40 - 60[13] Heat resistant Thixotropic Two-component, Addition Curing Foam, Compressible
Legend
[1] Tear-growth resistance | ASTM D 624 B,  [2] Hardness Shore A | DIN ISO 48-4,  [3] Hardness Shore A | DIN ISO 48-4 | (with skin),  [4] Tensile strength | ISO 37 type 1 | Type 3 / 23°C / 2mm,  [5] Tensile strength | ISO 37 type 1,  [6] Tensile strength | ISO 1798,  [7] Elongation at break | ISO 37 type 1 | Type 3 / 23°C / 2mm,  [8] Elongation at break | ISO 37 type 1,  [9] Elongation at break | ISO 1798,  [10] Viscosity, dynamic D = 0.5 1/s | 25 °C | DIN EN ISO 3219,  [11] Viscosity, dynamic | 25 °C | 0.5 1/s | DIN EN ISO 3219,  [12] Viscosity, dynamic | 23 °C | Brookfield | Spindle 5, 2.5UPM,  [13] Hardness Shore 00 (with skin) | ASTM D 2240,  [] Suited,  [] Well suited,  [] Ideally suited 

与置入式密封件相比,就地成型垫片的优势在于,需要粘接的组件之间的配合精度无需完美,密封件无需额外固定也不会错位。因此,用该工艺制成的部件允许较大公差,开发成本也更低。

优势:

  • 高效粘接
  • 接合可靠性强
  • 应力分布均匀,松弛特性优异
  • 用途广泛
  • 经济效益高

应用:

  • 油底壳密封垫
  • 传动密封
  • 前照灯粘接
  • 防潮、防风化外壳粘接

Produktempfehlungen

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Produkte
Technische Daten
Produktmerkmale
Viscosity, dynamic Tear strength Hardness Shore A Härte Shore A Reißfestigkeit Reißdehnung Beständigkeit Regulatorisch Rheologie Vernetzungseigenschaft Vulkanisat
ELASTOSIL® A234 WHITE 25000 mPa·s[4] 25000 mPa·s[4] 3.5 N/mm[1] 3.5 N/mm[1] 35[11] 35[11] - - 2.5 N/mm²[15] 2.5 N/mm²[15] 200 %[20] 200 %[20] hitzebeständig - - - -
ELASTOSIL® A33 IVORY 1000000 mPa·s[5] 1000000 mPa·s[5] 7.8 N/mm[2] 7.8 N/mm[2] 28[11] 28[11] - - 2.5 N/mm²[15] 2.5 N/mm²[15] 300 %[20] 300 %[20] ölbeständig - standfest - -
ELASTOSIL® A59 GRAY 40000 mPa·s[6] 40000 mPa·s[6] 3.0 N/mm[1] 3.0 N/mm[1] 20[11] 20[11] - - 1.2 N/mm²[15] 1.2 N/mm²[15] 300 %[20] 300 %[20] ölbeständig, hitzebeständig - Selbstnivellierend - -
ELASTOSIL® E 952 - 11.5 N/mm[3] 11.5 N/mm[3] 30[12] 30[12] - - 6.2 N/mm²[16] 6.2 N/mm²[16] 600 %[21] 600 %[21] - - - - -
ELASTOSIL® E10 ROT - - 8.0 N/mm[1] 8.0 N/mm[1] 25[11] 25[11] - - 2.5 N/mm²[17] 2.5 N/mm²[17] 300 %[22] 300 %[22] hitzebeständig lösemittelfrei Fließfähig - -
ELASTOSIL® E14 Red - - 7 N/mm[1] 7 N/mm[1] 32[11] 32[11] - - 2.5 N/mm²[15] 2.5 N/mm²[15] 400 %[20] 400 %[20] hitzebeständig MIL-A 46106 Type standfest - -
ELASTOSIL® E4 - - 7.3 N/mm[1] 7.3 N/mm[1] 15[11] 15[11] - - 2 N/mm²[18] 2 N/mm²[18] 750 %[23] 750 %[23] - - standfest - -
ELASTOSIL® E41 TRANSPARENT 100000 mPa·s[8] 100000 mPa·s[8] 11.5 N/mm[1] 11.5 N/mm[1] 40[11] 40[11] - - 6.0 N/mm²[18] 6.0 N/mm²[18] 350 %[23] 350 %[23] - - Selbstnivellierend - -
ELASTOSIL® E43 BLACK 250000 mPa·s[4] 250000 mPa·s[4] 11.5 N/mm[1] 11.5 N/mm[1] 30[11] 30[11] - - 6.5 N/mm²[19] 6.5 N/mm²[19] 500 %[24] 500 %[24] - lösemittelfrei - - -
ELASTOSIL® E43 N BLACK - - - - 30[11] 30[11] - - 7.5 N/mm²[15] 7.5 N/mm²[15] 500 %[20] 500 %[20] - - thixotropierend - -
ELASTOSIL® E43 N TRANSPARENT - - - - - - 30[13] 30[13] 7.8 N/mm²[15] 7.8 N/mm²[15] 450 %[20] 450 %[20] - - thixotropierend - -
ELASTOSIL® E43 TRANSPARENT 250000 mPa·s[9] 250000 mPa·s[9] 11.5 N/mm[1] 11.5 N/mm[1] - - 30[13] 30[13] 6.50 N/mm²[18] 6.50 N/mm²[18] 500 %[23] 500 %[23] - lösemittelfrei - - -
ELASTOSIL® E47 TRANSPARENT 600000 mPa·s[9] 600000 mPa·s[9] 10 N/mm[1] 10 N/mm[1] - - 37[13] 37[13] 4.5 N/mm²[19] 4.5 N/mm²[19] 450 %[24] 450 %[24] - MIL-A 46106 Type standfest, thixotropierend - -
ELASTOSIL® E50 N TRANSPARENT - - - - - - 35[13] 35[13] 2.6 N/mm²[15] 2.6 N/mm²[15] 200 %[20] 200 %[20] - MIL-A 46106 Type - - -
ELASTOSIL® N 2010 10.000 mPa·s[10] 10.000 mPa·s[10] - - - - 25[13] 25[13] 1 N/mm²[17] 1 N/mm²[17] 200 %[25] 200 %[25] - - Scherverdünnend, Selbstnivellierend - -
ELASTOSIL® N 2034 30000 mPa·s[9] 30000 mPa·s[9] - - - - 35[13] 35[13] 2 N/mm²[17] 2 N/mm²[17] 200 %[25] 200 %[25] - schwer entflammbar - - -
ELASTOSIL® N 2189 250000 mPa·s[9] 250000 mPa·s[9] 5.0 N/mm[1] 5.0 N/mm[1] - - 45[13] 45[13] 1.5 N/mm²[17] 1.5 N/mm²[17] 200 %[25] 200 %[25] ölbeständig, hitzebeständig schwer entflammbar standfest - -
ELASTOSIL® N 2199 950000 mPa·s[4] 950000 mPa·s[4] 6.5 N/mm[1] 6.5 N/mm[1] - - 30[13] 30[13] 2.5 N/mm²[17] 2.5 N/mm²[17] 400 %[25] 400 %[25] - - standfest - -
ELASTOSIL® N9111 BLACK 1000000 mPa·s[9] 1000000 mPa·s[9] 8.5 N/mm[2] 8.5 N/mm[2] - - 30[13] 30[13] 2.0 N/mm²[17] 2.0 N/mm²[17] 450 %[22] 450 %[22] - schwer entflammbar standfest, thixotropierend - -
ELASTOSIL® N9111 GREY 1000000 mPa·s[9] 1000000 mPa·s[9] 10 N/mm[2] 10 N/mm[2] - - 30[13] 30[13] 2.2 N/mm²[17] 2.2 N/mm²[17] 500 %[22] 500 %[22] - - standfest, thixotropierend - -
ELASTOSIL® N9111 WHITE 900000 mPa·s[4] 900000 mPa·s[4] 10 N/mm[2] 10 N/mm[2] - - 30[13] 30[13] 2.20 N/mm²[17] 2.20 N/mm²[17] 500 %[22] 500 %[22] - schwer entflammbar standfest, thixotropierend - -
ELASTOSIL® N9189 - - - - - - 45[13] 45[13] 2.8 N/mm²[15] 2.8 N/mm²[15] 330 %[20] 330 %[20] hitzebeständig - Scherverdünnend, standfest - -
ELASTOSIL® RT 723 A/B 600000 mPa·s[5] 600000 mPa·s[5] 13.8 N/mm[1] 13.8 N/mm[1] - - - - 5.9 N/mm²[15] 5.9 N/mm²[15] 500 %[20] 500 %[20] medienbeständig, hitzebeständig, UV-stabil - - Schnelle Aushärtung unter Hitze, zweikomponentig, Additionsvernetzend -
ELASTOSIL® RT 778 - - 7.0[1] 7.0[1] - - 50[13] 50[13] 3.5 N/mm²[15] 3.5 N/mm²[15] 120 %[20] 120 %[20] hitzebeständig - Scherverdünnend, standfest kondensationsvernetzend, zweikomponentig, Schnelle Aushärtung bei Raumtemperatur selbsthaftend, elektrisch isolierend
ELASTOSIL® RT 779 - - 9.5 N/mm[1] 9.5 N/mm[1] - - 50[14] 50[14] 2.8 N/mm²[15] 2.8 N/mm²[15] 250 %[20] 250 %[20] ölbeständig - Scherverdünnend, thixotropierend, standfest kondensationsvernetzend, zweikomponentig selbsthaftend, elektrisch isolierend
Legend
[1] Tear strength | ASTM D 624 B,  [2] Tear strength | ASTM D 624 B | 23°C / 2mm,  [3] Tear strength | ASTM D 624,  [4] Viscosity, dynamic D = 0,5 1/s | 25 °C | DIN EN ISO 3219,  [5] Viscosity, dynamic | 25 °C | 0.5 1/s | DIN EN ISO 3219,  [6] Viscosity, dynamic | 25 °C | DIN EN ISO 3219,  [8] Viscosity, dynamic D = 1 1/s | 25 °C | DIN EN ISO 3219,  [9] Viscosity, dynamic D = 0.5 1/s | 25 °C | DIN EN ISO 3219,  [10] Viscosity, dynamic | 25 1/s | ISO 3219,  [11] Hardness Shore A | DIN ISO 48-4,  [12] Hardness Shore A | DIN 53 505 / ISO 868,  [13] Härte Shore A | DIN ISO 48-4,  [14] Härte Shore A | ISO 1183-1 A,  [15] Reißfestigkeit | ISO 37 Type 1,  [16] Reißfestigkeit | DIN 53504 S1 / ISO 37,  [17] Reißfestigkeit | ISO 37 | Type 3 / 23°C / 2mm,  [18] Reißfestigkeit | ISO 37 Type 1 | Type 3 / 23°C / 2mm,  [19] Reißfestigkeit | ISO 37 Type 1 | Type 3 /23°C / 2mm,  [20] Reißdehnung | ISO 37 Type 1,  [21] Reißdehnung | DIN 53504 S1 / ISO 37,  [22] Reißdehnung | ISO 37 | Type 3 / 23°C / 2mm,  [23] Reißdehnung | ISO 37 Type 1 | Type 3 / 23°C / 2mm,  [24] Reißdehnung | ISO 37 Type 1 | Type 3 /23°C / 2mm,  [25] Reißdehnung | ISO 37,  [] Geeignet,  [] Gut geeignet,  [] Ideal geeignet