Shin-Etsu Silicone Rubber for Molding Selection Guide

KE-2061-50-A/B

Main features High transparency
  • Excellent transparency
  • Lighter and more flexible than other transparent materials. Less environmental dependence.
  • Applications such as light guide members and lenses.

Product Information

Appearance Tranparent
Viscosity A/B (Pa・s) 36/16
Curing speed at 130℃ (MDR)Ｔ10 23
Curing speed at 130℃ (MDR)Ｔ90 58
Curing conditions (Primary cure) 120℃×10m
Curing conditions (Post cure) 150℃×1h
Hardness Durometer A 50
Density at 23℃ (g/cm3) 1.03
Linear shrinkage at 150℃ 2.7
Tensile strength (MPa) 6.3
Elongation at break (%) 230
Tear strength Crescent piece (kN/m) 6
Light transmittance 2mm thickness (%) 94
Haze (2㎜ thickness) 3

(Not specified values)

Maintains Excellent Transparency Even Under High Heat

Cured Product Appearance

Comparison of Highly Transparent LIMS With Other Materials

Highly transparent LIMS Polycarbonate Acrylic Glass
Optical properties Transparency (light transmittance) % Excellent 94 Excellent 87 Excellent 93 Excellent 90
Durability Heat resistance ℃ Excellent 200＜ Bad 120 -130 Bad 80 - 100 Excellent 400 - 500
Weather resistance (years) Excellent 10＜ Bad Discoloration and embrittlement Good >20 Excellent 20<
Design Lightweight (specific gravity) g/cm3 Excellent 1.05 Good 1.24 - 1.52 Good 1.10 Bad 2.50
Flexibility Excellent Bad Bad Bad
Design freedom Excellent Bad Bad Bad

(Not specified values)

Product Inquiry

KE-2061-50-A/B

Inquiry Form

Contact by Telephone or Fax

Related Material

Silicone Rubber for Molding（3.0MB）

Characteristic properties of Silicone Rubber Compounds（1.0MB）

Related Product List

Product name Grade and features Appearance Viscosity A/B(Pa・s) Curing speed at
130℃(MDR)Ｔ10		 Curing speed at
130℃(MDR)Ｔ90		 Curing conditions
(Primary cure)		 Curing conditions
(Post cure)		 Hardness Durometer A Density at 23℃
(g/cm3)		 Linear shrinkage at 150℃ Tensile strength (MPa) Elongation at break (%) Tear strength Crescent piece
(kN/m)		 Compression set
150℃ × 22 h(%)
KE-1950-10-A/B General use, low viscosity Translucent 60/60 47 105 120℃ × 5 m 150℃ × 1 h 13 1.08 2.6 4.3 750 10 12*1
KE-1950-20-A/B General use, low viscosity Translucent 160/160 47 109 120℃ × 5 m 150℃ × 1 h 20 1.1 2.5 7.3 970 24 15*1
KE-1950-30-A/B General use, conforms to food standards, low viscosity Translucent 250/250 31 55 120℃ × 5 m 150℃ × 1 h 31 1.1 2.5 8.2 710 22 22*1
KE-1950-40-A/B General use, conforms to food standards, low viscosity Translucent 530/530 29 58 120℃ × 5 m 150℃ × 1 h 39 1.12 2.5 9.3 670 31 20*1
KE-1950-50-A/B General use, conforms to food standards, low viscosity Translucent 680/630 37 73 120℃ × 5 m 150℃ × 1 h 49 1.13 2.5 8.9 560 37 28*1
KE-1950-60-A/B General use, conforms to food standards, low viscosity Translucent 730/690 37 78 120℃ × 5 m 150℃ × 1 h 57 1.14 2.5 8.0 420 39 22*1
KE-1950-70-A/B General use, conforms to food standards, low viscosity Translucent 680/650 36 65 120℃ × 5 m 150℃ × 1 h 68 1.13 2.5 9.5 470 39 34*1
KEG-2000-20-A/B General use Translucent 700/700 27 48 120℃ × 5 m 150℃ × 1 h 23 1.08 2.6 6.2 880 15 28*2
KEG-2000-30-A/B General use, conforms to food standards Translucent 1200/1200 33 65 120℃ × 5 m 150℃ × 1 h 32 1.12 2.5 9.2 830 28 14*2
KEG-2000-40-A/B General use, conforms to food standards Translucent 1300/1300 33 57 120℃ × 5 m 150℃ × 1 h 43 1.12 2.5 9.2 630 34 17*2
KEG-2000-50-A/B General use, conforms to food standards Translucent 1400/1400 33 60 120℃ × 10 m 150℃ × 1 h 51 1.14 2.5 12.7 670 38 11*2
KEG-2000-60-A/B General use, conforms to food standards Translucent 1600/1600 43 79 120℃ × 10 m 150℃ × 1 h 60 1.14 2.5 11.5 550 48 20*2
KEG-2000-70-A/B General use, conforms to food standards Translucent 1400/1400 37 70 120℃ × 10 m 150℃ × 1 h 70 1.14 2.5 10.8 470 34 18*2
KEG-2000-80-A/B General use, conforms to food standards Translucent 1120/1080 35 65 120℃ × 10 m 150℃ × 1 h 81 1.13 2.5 8.0 200 5 －
KEG-2001-40-A/B General use, conforms to food standards, Fast curing Translucent 1000/1000 26 45 120℃ × 10 m 150℃ × 1 h 42 1.12 2.5 11.0 630 33 15*2
KEG-2001-50-A/B General use, conforms to food standards, Fast curing Translucent 1000/1000 26 45 120℃ × 10 m 150℃ × 1 h 52 1.13 2.5 11.8 530 40 12*2
KEG-2001-60-A/B General use, conforms to food standards, Fast curing Translucent 1320/1280 24 51 120℃ × 5 m 150℃ × 1 h 60 1.13 2.5 9.2 550 44 19*2
KEG-2001-70-A/B General use, conforms to food standards, Fast curing Translucent 1200/1200 26 46 120℃ × 5 m 150℃ × 1 h 70 1.14 2.5 9.5 420 40 20*2
KEG-2003H-30-A/B No post cure (Reduced low-molecular-weight siloxone content), conforms to food standards, high tear strength Translucent 740/690 23 44 150℃ × 5 m － 31 1.13 2.5 9.3 900 30 21*3
KEG-2003H-40-A/B No post cure (Reduced low-molecular-weight siloxone content), conforms to food standards, high tear strength Translucent 900/960 23 45 150℃ × 5 m － 41 1.13 2.5 9.1 830 36 15*3
KEG-2003H-50-A/B No post cure (Reduced low-molecular-weight siloxone content), conforms to food standards, high tear strength Translucent 1030/1000 21 41 150℃ × 5 m － 51 1.13 2.5 10.6 790 40 15*3
KEG-2003H-60-A/B No post cure (Reduced low-molecular-weight siloxone content), conforms to food standards, high tear strength Translucent 750/700 22 43 150℃ × 5 m － 60 1.13 2.5 9.9 660 46 19*3
KEG-2003H-70-A/B No post cure (Reduced low-molecular-weight siloxone content), conforms to food standards, high tear strength Translucent 1040/1010 30 61 150℃ × 5 m － 69 1.14 2.4 9.1 490 46 28*3
KE-2017-20-A/B No post cure (Reduced low-molecular-weight siloxone content), oil breeding Translucent 610/490 31 86 150℃ × 10 m － 24 1.1 2.5 7.4 840 13*5 13*4
KE-2017-30-A/B No post cure (Reduced low-molecular-weight siloxone content), oil breeding Translucent 1940/1590 44 85 150℃ × 10 m － 32 1.14 2.4 8.9 740 22*5 18*4
KE-2017-40-A/B No post cure (Reduced low-molecular-weight siloxone content), oil breeding Translucent 1790/1550 35 76 150℃ × 10 m － 43 1.14 2.4 9.0 620 34*5 18*4
KE-2017-50-A/B No post cure (Reduced low-molecular-weight siloxone content), oil breeding Translucent 2030/1710 33 72 150℃ × 10 m － 50 1.14 2.4 9.3 480 40*5 18*4
KE-2019-30-A/B No post cure (Reduced low-molecular-weight siloxone content), low compression set Translucent 342/370 32 95 150℃ × 10 m － 32 1.12 2.5 8.7 738 20*5 15*4
KE-2019-40-A/B No post cure (Reduced low-molecular-weight siloxone content), low compression set Translucent 327/334 31 78 150℃ × 10 m － 40 1.12 2.5 9.5 670 31*5 14*4
KE-2019-50-A/B No post cure (Reduced low-molecular-weight siloxone content), low compression set Translucent 840/710 25 52 150℃ × 10 m － 53 1.15 2.4 9.8 565 42*5 16*4
KE-2019-60-A/B No post cure (Reduced low-molecular-weight siloxone content), low compression set Translucent 693/773 33 63 150℃ × 10 m － 59 1.14 2.4 9.3 507 43*5 41*4
KE-2097-30-A/B No post cure (Reduced low-molecular-weight siloxone content), conforms to food standards, self-adhesive Translucent 620/670 19 55 150℃ × 5 m － 30 1.13 2.5 9.8 820 13 15*6
KE-2097-40-A/B No post cure (Reduced low-molecular-weight siloxone content), conforms to food standards, self-adhesive Translucent 964/898 21 44 150℃ × 5 m － 37 1.14 2.5 8.9 720 25 －
KE-2097-50-A/B No post cure (Reduced low-molecular-weight siloxone content), conforms to food standards, self-adhesive Translucent 500/546 21 47 150℃ × 5 m － 47 1.13 2.5 9.7 700 34 －
KE-2097-60-A/B No post cure (Reduced low-molecular-weight siloxone content), conforms to food standards, self-adhesive Translucent 623/613 25 63 150℃ × 5 m － 60 1.14 2.5 9.7 380 45 －
KE-2098-40-A/B No post cure (Reduced low-molecular-weight siloxone content), self-adhesive Translucent 819/797 23 60 150℃ × 5 m － 40 1.15 2.5 9.2 700 35 －
KE-2098-50-A/B No post cure (Reduced low-molecular-weight siloxone content), self-adhesive Translucent 890/850 24 54 150℃ × 5 m － 47 1.15 2.5 8.5 610 36 －
KE-2098-60-A/B No post cure (Reduced low-molecular-weight siloxone content), self-adhesive Translucent 870/790 22 47 150℃ × 5 m － 61 1.14 2.5 8.9 430 42 －
X-34-4347-A/B Low density Reddish brown 249/258 32 63 120℃ × 10 m 150℃ × 1 h 42 0.95 － 5.6 570 9 －
X-34-4352-A/B Low density Reddish brown 231/286 34 65 120℃ × 10 m 150℃ × 1 h 41 0.84 － 4.3 710 7 －
KE-2061-30-A/B High transparency Tranparent 36/23 26 82 120℃ × 10 m 150℃ × 1 h 30 1.02 2.8 3.5 350 3 －
KE-2061-40-A/B High transparency Tranparent 36/19 24 70 120℃ × 10 m 150℃ × 1 h 39 1.03 2.7 5.2 300 6 －
KE-2061-50-A/B High transparency Tranparent 36/16 23 58 120℃ × 10 m 150℃ × 1 h 50 1.03 2.7 6.3 230 6 －
KE-2061-60-A/B High transparency Tranparent 36/16 29 80 120℃ × 10 m 150℃ × 1 h 59 1.04 2.7 7.3 90 9 －
KE-2061-70-A/B High transparency Tranparent 27/8.4 29 79 120℃ × 10 m 150℃ × 1 h 70 1.06 2.6 11.0 84 6 －
KE-2061-80-A/B High transparency Tranparent 51/13 32 80 120℃ × 10 m 150℃ × 1 h 79 1.07 2.6 11.4 71 7 －
KE-2061-90-A/B High transparency Tranparent 68/70 29 79 120℃ × 10 m 150℃ × 1 h 86 1.08 2.6 6.0 40 6 －
X-34-4402-3-A/B High transparency Tranparent 34/14 22 76 120℃ × 10 m 150℃ × 1 h 72 1.07 2.6 8.5 88 9 －
X-34-4419-A/B High transparency Tranparent 74/14 23 78 120℃ × 10 m 150℃ × 1 h 78 1.08 2.6 10.0 82 8 －
X-34-4045-A/B Antistatic Translucent 860/890 37 78 120℃ × 5 m 150℃ × 1 h 49 1.14 2.5 8.9 560 33 －
X-34-4054-A/B Antistatic Translucent 540/690 31 64 120℃ × 5 m 150℃ × 1 h 73 1.14 2.5 7.5 230 7 －
KE-2300-12-A/B Pressure fixing, insulation Reddish brown 53/53 22 80 120℃ × 10 m 200℃ × 4 h 12*7 1.24 － 0.6 340 － 5*8
KE-2300-16-A/B Pressure fixing, insulation Reddish brown 51/48 24 78 120℃ × 10 m 200℃ × 4 h 16*7 1.24 － 0.6 290 － 4*8
KE-2300-20-A/B Pressure fixing, insulation Reddish brown 53/50 22 74 120℃ × 10 m 200℃ × 4 h 20*7 1.24 － 0.7 250 － 3*8
KE-2300-24-A/B Pressure fixing, insulation Reddish brown 52/46 22 67 120℃ × 10 m 200℃ × 4 h 24*7 1.24 － 0.8 220 － 2*8
KE-2300-28-A/B Pressure fixing, insulation Reddish brown 55/50 21 66 120℃ × 10 m 200℃ × 4 h 28*7 1.24 － 0.8 200 － 2*8
KE-2300-32-A/B Pressure fixing, insulation Reddish brown 51/44 20 61 120℃ × 10 m 200℃ × 4 h 32*7 1.24 － 0.9 190 － 2*8
KE-2300-36-A/B Pressure fixing, insulation Reddish brown 53/49 22 65 120℃ × 10 m 200℃ × 4 h 36*7 1.24 － 1.0 180 － 2*8
KE-2300-40-A/B Pressure fixing, insulation Reddish brown 51/47 22 63 120℃ × 10 m 200℃ × 4 h 40*7 1.24 － 1.0 160 － 2*8
KE-2300-44-A/B Pressure fixing, insulation Reddish brown 56/50 23 73 120℃ × 10 m 200℃ × 4 h 44*7 1.24 － 1.2 150 － 3*8
KE-2300-48-A/B Pressure fixing, insulation Reddish brown 51/50 22 71 120℃ × 10 m 200℃ × 4 h 48*7 1.24 － 1.4 140 － 3*8
KE-2310C-08-A/B Pressure fixing, electrical conductivity Black 92/89 25 80 120℃10 m 200℃4 h 8*7 1.02 － 0.4 500 － 7*8
KE-2310C-12-A/B Pressure fixing, electrical conductivity Black 87/86 24 77 120℃10 m 200℃4 h 12*7 1.02 － 0.5 480 － 7*8
KE-2310C-16-A/B Pressure fixing, electrical conductivity Black 88/87 24 77 120℃10 m 200℃4 h 16*7 1.02 － 0.5 450 － 6*8
KE-2310C-20-A/B Pressure fixing, electrical conductivity Black 87/86 22 72 120℃10 m 200℃4 h 20*7 1.02 － 0.5 400 － 5*8
KE-2310C-24-A/B Pressure fixing, electrical conductivity Black 87/84 21 65 120℃10 m 200℃4 h 24*7 1.02 － 0.6 350 － 4*8
KE-2310C-28-A/B Pressure fixing, electrical conductivity Black 88/83 21 66 120℃10 m 200℃4 h 28*7 1.02 － 0.6 300 － 4*8
KE-2310C-32-A/B Pressure fixing, electrical conductivity Black 89/84 20 59 120℃10 m 200℃4 h 32*7 1.02 － 0.7 290 － 4*8
KE-2310C-36-A/B Pressure fixing, electrical conductivity Black 91/85 19 58 120℃10 m 200℃4 h 36*7 1.02 － 0.7 270 － 3*8
KE-2310C-40-A/B Pressure fixing, electrical conductivity Black 87/80 20 60 120℃10 m 200℃4 h 40*7 1.02 － 0.7 230 － 3*8
X-34-2920-A/B Developing, electrical conductivity Black 32/27 22 61 120℃10 m 200℃4 h 20 1.03 - 0.9 200 - 3*8
X-34-2931-A/B Developing, electrical conductivity Black 31/34 34 65 120℃10 m 200℃4 h 33 1.04 － 1.6 190 － 3*8
X-34-2940-A/B Developing, electrical conductivity Black 64/69 35 70 120℃10 m 200℃4 h 42 1.06 - - 181 - 3*8
X-34-2950-A/B Developing, electrical conductivity Black 53/50 23 71 120℃10 m 200℃4 h 50 1.08 - 3.1 113 - 4*8
X-34-4137-A/B Electrical conductivity Black 1000/1450 22 63 120℃ × 10 m 200℃ × 4 h 44 1.14 2.4 6.8 570 32 －
X-34-4162-A/B Electrical conductivity Black 1190/1690 23 71 120℃ × 10 m 200℃ × 4 h 40 1.14 2.4 6.2 520 29 －
KE-1955-A/B Flame retardance Black 625/615 18 44 150℃ × 10 m － 54 1.25 － 9.0 510 23 7*10

*1Curing condition: 150℃ × 15 min + 150℃ × 1 h, Test condition: 150℃ × 22 h, *2Curing condition: 120℃ × 15 min + 200℃×4h, Test condition: 175℃ × 22 h, *3Curing condition: 150℃ × 15 min, Test condition: 120℃ × 22 h
*4Curing condition: 150℃ × 15 min, Test condition: 150℃ × 70 h, *5Angle piece *6Curing condition: 120℃ × 15 min, Test condition: 150℃ × 22 h, *7Asker C
*8Curing condition: 120℃ × 15 min + 200℃ × 4 h, Test condition: 180℃ × 22 h, *9Curing condition: 150℃ × 15 min + 200℃ × 4 h, Test condition: 180℃ × 22 h, *10Curing condition: 150℃ × 15 min, Test condition: 100℃ × 70 h