SILPURAN®
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The SILPURAN® product range comprises HTV solid and liquid silicone rubber (LSR), and room-temperature-vulcanizing grades (RTV-1 and RTV-2). These high-end silicone rubber grades meet the stringent demands of the health-care industry. All products have passed selected ISO 10993 and USP Class VI tests, and so also meet the high safety standards imposed by the health-care industry. The cleanliness needed for fulfilling the medical requirements of today and tomorrow are ensured by the WACKER CLEAN OPERATIONS program.
SILPURAN® is Much More Than Just a Product
It delivers the service you need for the results you want. Our teams of experts are always at the ready to help you exploit the virtually unlimited scope and innovative strength of SILPURAN® so that it best meets your needs. The resulting customized product solutions will help secure lasting prosperity for your business.
Advantages and Application Areas
SILPURAN® products are reliable, physiologically safe, extremely resistant to heat and radiation, permeable to vapor and gas, and biocompatible. These properties make SILPURAN® ideal for a wide variety of extremely demanding medical applications:
- Plasters and gels for wound care
- Orthopedic products
- Liners for prostheses
- Seals for disposable syringes and dialysis machines
- Medical tubing for artificial respiration
- Stoppers for injection bottles
- Anesthetic masks
- Catheter balloons
Product Recommendations
Products
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Technical data
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Product properties
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Appearance | Hardness Shore A | Viscosity, dynamic | Tear strength | Penetration | Biocompatibility | Tensile strength | Elongation at break | Hardness Shore 00 | Compression Set | Regulation | Product Rheology | Specific Features | Crosslinking Property | Vulcanizate | ||
- - | - - | 34000 mPa·s[1] 34000 mPa·s[1] | - - | 205 1/10mm[3] 205 1/10mm[3] | - - | - - | - - | - - | - - | Biocompatible, Suitable for skin contact | - | - | Two-component, Addition Curing | - | ||
- - | - - | 11600 mPa·s[1] 11600 mPa·s[1] | - - | 225 1/10mm[3] 225 1/10mm[3] | - - | - - | - - | - - | - - | Biocompatible, Suitable for skin contact | - | - | Two-component, Addition Curing | - | ||
- - | - - | 12000 mPa·s[1] 12000 mPa·s[1] | - - | 200 1/10mm[3] 200 1/10mm[3] | - - | - - | - - | - - | - - | Biocompatible, Suitable for skin contact | - | - | Two-component, Addition Curing | - | ||
- - | - - | 12000 mPa·s[1] 12000 mPa·s[1] | - - | 170 1/10mm[3] 170 1/10mm[3] | - - | - - | - - | - - | - - | Biocompatible, Suitable for skin contact | - | - | Two-component, Addition Curing | - | ||
- - | - - | 33000 mPa·s[1] 33000 mPa·s[1] | - - | 205 1/10mm[3] 205 1/10mm[3] | - - | - - | - - | - - | - - | Biocompatible, Suitable for skin contact | - | - | Two-component, Addition Curing | - | ||
- - | - - | 3200 mPa·s[1] 3200 mPa·s[1] | - - | 155 1/10mm[3] 155 1/10mm[3] | - - | - - | - - | - - | - - | Biocompatible, Suitable for skin contact | - | - | Two-component, Addition Curing | - | ||
- - | - - | 1000 mPa·s[1] 1000 mPa·s[1] | - - | 220 1/10mm[3] 220 1/10mm[3] | - - | - - | - - | - - | - - | Biocompatible, Suitable for skin contact | - | - | Two-component, Addition Curing | - | ||
- - | 12[6] 12[6] | 2500 mPa·s[1] 2500 mPa·s[1] | 13 N/mm[4] 13 N/mm[4] | - - | - - | 3.5 N/mm²[9] 3.5 N/mm²[9] | 680 %[11] 680 %[11] | 60[8] 60[8] | - - | Biocompatible, Suitable for skin contact | Flowable | - | Two-component, Addition Curing, Fast curing at room temperature | - | ||
- - | 35[7] 35[7] | 250000 mPa·s[2] 250000 mPa·s[2] | 10 N/mm[5] 10 N/mm[5] | - - | - - | 5.5 N/mm²[10] 5.5 N/mm²[10] | 300 %[12] 300 %[12] | - - | - - | Food-contact | - | - | - | - | ||
transparent transparent | 5[6] 5[6] | - - | 6 N/mm[4] 6 N/mm[4] | - - | - - | 2.5 N/mm²[9] 2.5 N/mm²[9] | 700 %[11] 700 %[11] | - - | - - | - | - | Reduced volatile content | - | - | ||
transparent transparent | 10[6] 10[6] | - - | 13 N/mm[4] 13 N/mm[4] | - - | - - | 4.2 N/mm²[9] 4.2 N/mm²[9] | 740 %[11] 740 %[11] | - - | 15 %[13] 15 %[13] | - | - | Reduced volatile content | - | - | ||
transparent transparent | 20[6] 20[6] | - - | 21 N/mm[4] 21 N/mm[4] | - - | - - | 8.0 N/mm²[9] 8.0 N/mm²[9] | 850 %[11] 850 %[11] | - - | 17 %[13] 17 %[13] | - | - | Food-contact, Reduced volatile content | - | - | ||
transparent transparent | 30[6] 30[6] | - - | 25 N/mm[4] 25 N/mm[4] | - - | - - | 8.6 N/mm²[9] 8.6 N/mm²[9] | 650 %[11] 650 %[11] | - - | 13 %[13] 13 %[13] | - | - | Food-contact, Reduced volatile content | - | - | ||
transparent transparent | 40[6] 40[6] | - - | 29 N/mm[4] 29 N/mm[4] | - - | - - | 9.6 N/mm²[9] 9.6 N/mm²[9] | 600 %[11] 600 %[11] | - - | 11 %[13] 11 %[13] | - | - | Food-contact, Reduced volatile content | - | - | ||
transparent transparent | 50[6] 50[6] | - - | 30 N/mm[4] 30 N/mm[4] | - - | - - | 10.0 N/mm²[9] 10.0 N/mm²[9] | 480 %[11] 480 %[11] | - - | 14 %[13] 14 %[13] | - | - | Food-contact, Reduced volatile content | - | - | ||
transparent transparent | 60[6] 60[6] | - - | 27 N/mm[4] 27 N/mm[4] | - - | - - | 10.0 N/mm²[9] 10.0 N/mm²[9] | 350 %[11] 350 %[11] | - - | 14 %[13] 14 %[13] | - | - | Food-contact, Reduced volatile content | - | - | ||
transparent transparent | 70[6] 70[6] | - - | 22 N/mm[4] 22 N/mm[4] | - - | - - | 9.5 N/mm²[9] 9.5 N/mm²[9] | 290 %[11] 290 %[11] | - - | 11 %[13] 11 %[13] | - | - | Food-contact, Reduced volatile content | - | - | ||
transparent transparent | 40[6] 40[6] | - - | 32 N/mm[4] 32 N/mm[4] | - - | - - | 9.4 N/mm²[9] 9.4 N/mm²[9] | 550 %[11] 550 %[11] | - - | 14 %[13] 14 %[13] | - | - | Food-contact, Low coefficient of friction, Reduced volatile content, Less self-healing | - | - | ||
transparent transparent | 50[6] 50[6] | - - | 31 N/mm[4] 31 N/mm[4] | - - | - - | 8.9 N/mm²[9] 8.9 N/mm²[9] | 440 %[11] 440 %[11] | - - | 13 %[13] 13 %[13] | - | - | Food-contact, Low coefficient of friction, Reduced volatile content, Less self-healing | - | - | ||
transparent transparent | 60[6] 60[6] | - - | 26 N/mm[4] 26 N/mm[4] | - - | - - | 9.0 N/mm²[9] 9.0 N/mm²[9] | 310 %[11] 310 %[11] | - - | 14 %[13] 14 %[13] | - | - | Food-contact, Low coefficient of friction, Reduced volatile content, Less self-healing | - | - | ||
white white | 40[6] 40[6] | - - | 22 N/mm[4] 22 N/mm[4] | - - | - - | 7.2 N/mm²[9] 7.2 N/mm²[9] | 510 %[11] 510 %[11] | - - | 12 %[13] 12 %[13] | - | - | Food-contact, Reduced volatile content, Less self-healing | - | - | ||
white white | 50[6] 50[6] | - - | 25 N/mm[4] 25 N/mm[4] | - - | - - | 8.0 N/mm²[9] 8.0 N/mm²[9] | 450 %[11] 450 %[11] | - - | 12 %[13] 12 %[13] | - | - | Food-contact, Reduced volatile content, Less self-healing | - | - | ||
white white | 60[6] 60[6] | - - | 20 N/mm[4] 20 N/mm[4] | - - | - - | 7.0 N/mm²[9] 7.0 N/mm²[9] | 300 %[11] 300 %[11] | - - | 15 %[13] 15 %[13] | - | - | Food-contact, Reduced volatile content, Less self-healing | - | - | ||
transparent transparent | 40[6] 40[6] | - - | 23 N/mm[4] 23 N/mm[4] | - - | - - | 8.2 N/mm²[9] 8.2 N/mm²[9] | 640 %[11] 640 %[11] | - - | 40 %[14] 40 %[14] | - | - | Self-adhesive, Food-contact, Reduced volatile content | - | - | ||
transparent transparent | 50[6] 50[6] | - - | 24 N/mm[4] 24 N/mm[4] | - - | - - | 8.5 N/mm²[9] 8.5 N/mm²[9] | 590 %[11] 590 %[11] | - - | 50 %[14] 50 %[14] | - | - | Self-adhesive, Food-contact, Reduced volatile content | - | - | ||
transparent transparent | 60[6] 60[6] | - - | 26 N/mm[4] 26 N/mm[4] | - - | - - | 9.6 N/mm²[9] 9.6 N/mm²[9] | 490 %[11] 490 %[11] | - - | 60 %[14] 60 %[14] | - | - | Self-adhesive, Reduced volatile content | - | - | ||
transparent transparent | 40[6] 40[6] | - - | 27 N/mm[4] 27 N/mm[4] | - - | - - | 8.8 N/mm²[9] 8.8 N/mm²[9] | 710 %[11] 710 %[11] | - - | - - | - | - | Self-adhesive, Food-contact, High tear-resistant, Reduced volatile content | - | - | ||
transparent transparent | 50[6] 50[6] | - - | 27 N/mm[4] 27 N/mm[4] | - - | - - | 8.4 N/mm²[9] 8.4 N/mm²[9] | 600 %[11] 600 %[11] | - - | - - | - | - | Self-adhesive, Food-contact, Low coefficient of friction, Reduced volatile content, Less self-healing | - | - | ||
white white | - - | - - | - - | - - | - - | - - | - - | - - | - - | - | - | Food-contact, X-ray opaque, Medical | - | - | ||
white white | - - | - - | - - | - - | - - | - - | - - | - - | - - | - | - | Food-contact, X-ray opaque, Medical | - | - | ||
- - | 27[6] 27[6] | - - | - - | - - | yes[15] yes[15] | - - | - - | - - | - - | Food-contact, Biocompatible | - | - | - | Precise, Flexible at low (-40 °C) and high temperatures (+180 °C), Electrically insulating, Gas permeable | ||
- - | 27[6] 27[6] | - - | - - | - - | yes[15] yes[15] | - - | - - | - - | - - | Food-contact, Biocompatible | - | - | - | Precise, Flexible at low (-40 °C) and high temperatures (+180 °C), Electrically insulating, Gas permeable |
[1] Viscosity, dynamic | DIN EN ISO 3219, [2] Viscosity, dynamic (0.5 s⁻ ¹) | 23 °C | DIN EN ISO 3219, [3] Penetration | DIN ISO 2137 | hollow cone of 62.5 g, 60 s, [4] Tear strength | ASTM D 624 B, [5] Tear strength | ASTM D 624, [6] Hardness Shore A | DIN ISO 48-4, [7] Hardness Shore A | DIN 53 505 / ISO 868, [8] Hardness Shore 00 | ASTM D 2240, [9] Tensile strength | ISO 37 type 1, [10] Tensile strength | DIN 53504 S1 / ISO 37, [11] Elongation at break | ISO 37 type 1, [12] Elongation at break | DIN 53504 S1 / ISO 37, [13] Compression Set | 22 h | 175 °C | DIN ISO 815-1 type B method A | post-cured 6 h / 200 °C, [14] Compression Set | 22 h | 125 °C | DIN ISO 815-1 type B method A, [15] Biocompatibility (USP class VI) | ISO 10993