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ELASTOSIL® RD 6620 F

Solvent-based addition curing silicone rubber dispersion for textile coatings (topcoat)



特性

  • Matt topcoat 
  • Reduced coefficient of friction
  • High abrasion stability

免责声明

所提供之所有信息均基于我们当前所掌握的知识。尽管如此,我们不对其作任何担保、也不承担任何责任,并且保留在任何时候进行技术变更的权利。购买方应在预测试中对所提供之信息以及产品在既定应用中的适应性进行检查。任何时候都必须以合同条款与条件为准。此外,本免责申明还适用于与第三方权利有关之事宜,尤其是在德国境外。

ELASTOSIL® RD 6620 F is a silicone rubber dispersion in xylene. Due to the high Shore hardness after vulcanization, a matt, non-blocking surface is obtained. 
ELASTOSIL® RD 6620 F is therefore especially well suited for the application as topcoat on flexible silicone coatings.

ELASTOSIL® RD 6620 F is processed by thorough incorporation of a crosslinker.

 

Recommended ratio is 100 parts of ELASTOSIL® RD 6620 F plus

 


- 1 part of CROSSLINKER W

 


Pot life at 23°C: 3 days

 


Recommended curing conditions: evaporation of the solvent at 70 - 90°C and curing of the silicone rubber for 3 min at 150°C or 1 min at 180°C.

 


Adhesion of ELASTOSIL® RD 6620 F depends on substrate and can be varied by crosslinker type/amount and additives (e.g. CATALYST C05 or adhesion promoters). Preliminary testing should be carried out to determine optimum formulation and cure conditions.

包装

This product is available in 25 kg pails and 180 kg drum kits

储存

Once opened, containers should always be resealed after use to prevent the platinum catalyst from being poisoned by amines, sulphur or phosphorus compounds.

 

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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产品 技术数据
介电常数 介电强度 介质损耗因数 体积电阻率 动态粘度 密度 抗撕裂强度 拉伸强度 断裂伸长率 极限氧指数(LOI) 邵氏硬度A
ELASTOSIL® RD 6600 F 3.2[12] 3.2[12] 22 kV/mm[8] 22 kV/mm[8] 150 x 10⁻⁴[10] 150 x 10⁻⁴[10] 1.9 x 10¹⁵ Ohmcm[9] 1.9 x 10¹⁵ Ohmcm[9] 70000 mPa·s[1] 70000 mPa·s[1] 1.01 g/cm³[2] 8.429 lb/gal[2] 12 N/mm[6] 12 N/mm[6] 5.5 N/mm²[4] 5.5 N/mm²[4] 350 %[5] 350 %[5] 29 %[7] 29 %[7] 60[3] 60[3]
ELASTOSIL® RD 6620 F 3.3[12] 3.3[12] 23 kV/mm[8] 23 kV/mm[8] 110 x 10⁻⁴[11] - 8,0 Ohmcm[9] 8,0 Ohmcm[9] 200000 mPa·s[1] 200000 mPa·s[1] 1.05 g/cm³[2] 8.763 lb/gal[2] 15 N/mm[6] 15 N/mm[6] 5.5 N/mm²[4] 5.5 N/mm²[4] 280 %[5] 280 %[5] 28 %[7] 28 %[7] 80[3] 80[3]
说明
[1] 动态粘度 | 23 °C | Brookfield | 2.5 rpm,  [2] 密度 | ISO 2811,  [3] 邵氏硬度A | ISO 7619-1,  [4] 拉伸强度 | ISO 37 type 1,  [5] 断裂伸长率 | ISO 37 type 1,  [6] 抗撕裂强度 | ASTM D 624 B,  [7] 极限氧指数(LOI) | ASTM D 2863,  [8] Electric strength | IEC 60243-1,  [9] 体积电阻率 | IEC 62631-3-1,  [10] 介质损耗因数 | 60 Hz | IEC 62631-2-1,  [11] 介质损耗因数 | 50 Hz | IEC 62631-2-1,  [12] Relative permittivity | 50 Hz | IEC 62631-2-1 

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