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ELASTOSIL® RT 623 A/B KR

$ELASTOSIL<sup>®</sup> RT 623 A/B KR

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

 

Main application: Making printing pads.


特性

  • very good flow
  • high reactivity for fast demolding even if large amounts of silicone fluid are added
  • fast and non-shrink cure at room temperature which can be accelerated considerably by the application of heat
  • medium Shore A hardness (approx. 31)
  • high tear strength
  • long-term stability of the vulcanizate’s mechanical properties, particularly its hardness

ELASTOSIL® RT 623 A/B KR的特殊性能

  • 出色的力学性能
  • 加成固化
  • 双组分
  • 室温下快速固化
  • 无化学收缩
  • 易流动的

Base rubber for making printing pads.

ELASTOSIL® RT 623 A/B KR has been specially designed as a base material for making printing pads.

The vulcanizate’s high mechanical strength and long term stability of hardness make ELASTOSIL® RT 623 A/B KR an ideal base material for producing printing pads with excellent mechanical properties and long service life.

 

Important note:

The platinum catalyst is in component B.

 

Important:

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

 

To ensure both optimum flow and homogeneity of the material, the components must be stirred thoroughly before they are removed or processed in their containers, in order to uniformly disperse any fillers that might have settled during storage.

 

Dilution charts:

The following table shows the hardness of ELASTOSIL® RT 623 A/B as a function of the added amount of Wacker Silicone Fluid AK 35 for Durometer Types Shore A and Shore 00.

 Please check also our brochures and info sheets.

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 Chemie AG
Gisela-Stein-Strasse 1
81671 Munich
德国
+49  89  6279-0 （电话）
+49 89 6279-1770  （传真）
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更多产品

个产品 技术数据
动态粘度 Tear-growth resistance Shore density A Breaking strength 断裂伸长率
ELASTOSIL® M 4400 30000 mPa·s[1] 30000 mPa·s[1] > 3 N/mm[4] > 3 N/mm[4] 23[5] 23[5] 2 N/mm²[7] 2 N/mm²[7] 250 %[9] 250 %[9]
ELASTOSIL® RT 402 - - > 3 N/mm[4] > 3 N/mm[4] 11[5] 11[5] 2 N/mm²[7] 2 N/mm²[7] 350 %[9] 350 %[9]
ELASTOSIL® RT 620 A/B 7000 mPa·s[2] 7000 mPa·s[2] ≥ 12 N/mm[4] ≥ 12 N/mm[4] 17[6] 17[6] 5 N/mm²[8] 5 N/mm²[8] 900 %[10] 900 %[10]
ELASTOSIL® RT 623 A/B 15000 mPa·s[3] 15000 mPa·s[3] > 30 N/mm[4] > 30 N/mm[4] 31[6] 31[6] 7,5 N/mm²[8] 7,5 N/mm²[8] 700 %[10] 700 %[10]
ELASTOSIL® RT 623 A/B KR 15000 mPa·s[3] 15000 mPa·s[3] > 30 N/mm[4] > 30 N/mm[4] 31[6] 31[6] 7,5 N/mm²[8] 7,5 N/mm²[8] 700 %[10] 700 %[10]
ELASTOSIL® RT 629 A/B 14000 mPa·s[3] 14000 mPa·s[3] 25 N/mm[4] 25 N/mm[4] 31[6] 31[6] 6 N/mm²[8] 6 N/mm²[8] 500 %[10] 500 %[10]
说明
[1] 动态粘度 after stirring | 23 °C | DIN EN ISO 3219,  [2] 动态粘度 | 23 °C | ISO 3219,  [3] 动态粘度 搅拌后 | 23 °C | ISO 3219,  [4] Tear-growth resistance | ASTM D 624 B,  [5] Shore density A | ISO 868,  [6] Shore density A | DIN ISO 48-4,  [7] Breaking strength | ISO 37,  [8] Breaking strength | ISO 37 type 1,  [9] 断裂伸长率 | ISO 37,  [10] 断裂伸长率 | ISO 37 type 1 

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Wacker Chemie AG
Gisela-Stein-Strasse 1
81671 Munich
+49  89  6279-0 (Phone)

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