The Silbione® Difference...A Brand You Can Trust
for high quality healthcare silicone solutions

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silbione@elkem.com

The Silbione® Difference

Liquid Silicone Rubber (LSR)

LSR

Elkem Silicones understands how important performance and processability is when producing high quality precision molded parts for the healthcare market.

The Silbione® range of LSRs offer distinctive advantages of easy processing, easy release and high performance physical properties to improve part appearance and functionality, and productivity.

LSR Advantages

  • High Performance Low Durometer
  • High Performance High Durometer
  • Mid-Durometer
  • Fast Cure
  • Self-Lubricating

LSR Resources

 

 

Typical Properties – Click on the product name to view the TDS

Product Durometer, ShA Tensile,
psi (MPa)
Elongation, % Tear Strength,
ppi (kN/m)
Specific Gravity Extrusion
Rate,
g/min
Healthcare Grade
Ultra Low Durometer LSR
LSR 4301 1 270 (1.9) 1100 45 (7.8) 1.07 (Viscosity
= 55k cps)
Ultra Low
Durometer
LSR 4305 5 480 (3.3) 1050 65 (11.5) 1.07 (Viscosity
= 60k cps)
LSR 4310 10 850 (5.8) 1020 115 (20) 1.09 315
Standard LSRs
LSR 4325 23 1250 (8.6) 970 180 (32) 1.11 105 Standard
LSR 4330 30 1340 (9.2) 800 185 (32) 1.11 100
LSR 4340 40 1250 (8.5) 660 230 (40) 1.12 90
LSR 4350 50 1225 (8.4) 600 270 (47) 1.12 85 Standard
Over molding Silicone to Silicone
LSR 60 59 1330 (9.1) 440 190 (33) 1.12 140 Overmolding
High Performance High Durometer
LSR 4360 60 1275 (8.8) 480 240 (42) 1.12 95
LSR 4370 70 1290 (8.9) 475 225 (39) 1.14 76
Self-Lubricating LSRs
LSR 4745 45 1240 (8.6) 635 255 (44) 1.10 120 Self Lubricating
LSR 4755 53 1140 (7.9) 570 220 (38) 1.12 120
LSR 4765 64 1170 (8.1) 454 220 (38) 1.12 90
Low Consistency Elastomers
LSR 4125 27 800 550 70 1.08
LSR 4125 10:1 28 770 480 75 1.08
LSR 4130 30 700 450 70 1.08
LSR 4130 10:1 31 650 480 70 1.08
LSR 4140 41 975 385 145 1.09
LSR 4140 10:1 40 975 350 140 1.09

 

Typical Properties – Click on the product name to view the TDSWe are pleased to present our line of Silbione® Biomedical Silicones for Long Term Implant Applications (>30 days).

Product Durometer,
ShA
Tensile,
psi (MPa)
Elongation,
%
Tear Strength,
ppi (kN/m)
Specific
Gravity
Extrusion
Rate,
g/min
LSR M301 1 270 (1.9) 1100 8 – 45 1.07 550 (visc. 55 Pa.s)
LSR M305 5 480 (3.3) 1050 11 – 65 1.07 545 (visc. 60 Pa.s)
LSR M310 10 850 (5.8) 1020 20 – 115 1.09 275
LSR M325 23 1250 (8.6) 970 32 – 180 1.11 135
LSR M330 30 1340 (9.2) 800 32 – 185 1.11 100
LSR M340 40 1250 (8.6) 660 40 – 230 1.12 90
LSR M350 50 1225 (8.4) 600 47 – 270 1.12 85
LSR M360 60 1275 (8.8) 480 42 – 240 1.12 95
LSR M365 65 1270 (8.8) 470 250 (43) 1.14 70
LSR M370 70 1250 (8.6) 475 40 – 230 1.14 76
Low Consistency Elastomers
LSR M125 10:1 28 770 (5.3) 480 13 – 70 1.08 visc. 85 & 2 Pa.s
LSR M130 10:1 31 650 (4.5) 480 12 – 145 1.08 visc. 90 & 0.5 Pa.s
LSR M140 10:1 40 975 (6.7) 350 24 – 76 1.09 visc. 100 & 0.3 Pa.s
LSR M125 27 800 (5.5) 550 12 – 70 1.08 visc. 70 Pa.s
LSR M140 41 975 (6.7) 385 24 – 140 1.09 visc. 75 Pa.s