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

Call: 866-474-6342
silbione@elkem.com

The Silbione® Difference

Liquid Silicone Rubber (LSR)-old

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.

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
Appearance Typical Applications
High Performance Low Durometer
LSR 4301 1 254 (1.75) 1091 45 (7.8) 1.07 (Viscosity = 55k cps) Clear Orthopedic insoles and cushioning; Prosthetic liners; Rollers
LSR 4305 5 450 (3.1) 1100 60 (10) 1.07 (Viscosity = 60k cps) Clear Orthopedic insoles and cushioning; Prosthetic liners; Rollers
LSR 4310 10 750 (5.1) 1090 115 (20) 1.08 270 Clear Cushioning
High Performance High Durometer
LSR 4360 60 1225 (8.4) 450 230 (40) 1.12 95 Clear Molded medical parts <30 days; Dive masks and goggles
LSR 4365 65 1270 (8.8) 470 250 (43) 1.14 72 Clear Molded medical parts <30 days; Dive masks and goggles
LSR 4370 68 1300 (9.0) 450 240 (41) 1.14 70 Clear Bakeware; Cake molds; Dive masks and goggles; Molded healthcare & medical parts <30 days
Mid-Durometer
LSR 4325 23 1198 (8.2) 950 168 (29) 1.12 130 Clear Balloons
LSR 4330 30 1400 (9.7) 790 195 (34) 1.11 105 Clear Molded healthcare & medical parts <30 days
 LSR 4340 40 1230 (8.5) 615 250 (43) 1.12 90 Clear Molded healthcare & medical parts <30 days
LSR 4350 50 1225 (8.4) 570 265 (45) 1.12 80 Clear Molded medical parts <30 days; Dive masks
Fast Cure
LSR 4340FC 40 1230 (8.5) 615 250 (43) 1.12 90 Clear Fast cure for large, thick parts
Self-Lubricating
LSR 4755 53 1160 (8.0) 572 216 (38) 1.12 Slight Haze Self lubricated; Precision molded parts; Rubber stopper; O-rings
LSR 4340 SL 34 942 (6.5) 580 237 (40) 1.10 100 Opaque Self-lubricating
Overmolding
LSR 50 50 1200 (8.4) 440 190 (33) 1.13 100 Clear Molded medical parts for <29 day implantation;self-adhesive LSR
LSR 60 59 1380 (9.5) 415 190 (33) 1.13 100 Clear Self bonding to silicone substrates