Best-Selling Heptamethyltrisiloxane - liquid silicone rubber for computer keydoard – Ruijin

Description: Liquid Silicone Rubber for Computer Keyboard   (1) Type :RS-50XXA/B series   (2)Main characteristics and advantages This series of products are suitable for rapid vulcanization of two-component liquid silicone rubber in injection moulding process. They have the characteristics of high strength and low odor.   (3)   Product characteristics ●Excellent strength ●Rapid vulcanization at medium temperature ●Excellent thermal stability or weather ability ●Excellent resilience and dimensional stability ●Excellent yellow resistance and Heat aging resistance ●Molded products have low odor ●Compliance with FDA, ROHS, etc.   (4)   Applications Formed computer keyboard  ,Single KEY silicone cap   (5)   Packing 20KG/200KG Standard drum   (6)Technical Index
Index Reference standard Unit RS-5040 RS-5140
Appearance Basic opacity translucent
Viscosity DIN 53019 mpa.s 60.000 70.000
Density DIN53 479A g/cm³ 1.08 1.09
Hardness DIN53 505 °A 42 42
Tensile strength DIN53 504 S2 MPa 5.0 5.5
Tear strength ASTM D624 Die c KN/m 10 13
elongation DIN53 504 S2 % 300 300
Compression set DIN53 517 22hrs at 175℃ % 25 25
Linear shrinkage JISK 5301 % 1.5 1.5
Vulcanization conditions 140℃×10mins
  (7)Remarks The above typical data is for reference only, it can not be used as a basis before use. The specific forming process conditions should be determined by the product specifications and types. You can also contact to our engineering department.