Bluesil™ Silicones...When Details Matter
RTVs for Moldmaking
Call : 1-866-474-6342
Email : moldmaking@bluestarsilicones.com

Skin Contact

Silicones have long been recognized as biocompatible and effective materials for a variety of skin contact applications.  Designed specifically for the global healthcare market, Elkem Silicones’ Silbione® brand means you can count on the highest quality healthcare silicone solutions, produced in a clean environment, and backed by biocompatibility testing to meet your application needs.

Silbione® Soft Silicone Products
⇒Click on a product name to download the TDS

Products Color Shore
Hardness
(Sh A)
Mixed
Viscosity
(cps)
Tear
Strength
(ppi)
Tensile Strength
(psi)
Elongation
(%)
Pot life
at
25º C
Specific
Gravity
RTV-4410 A/B Clear 10 2,500 80 430 800 90 min 1.10
RTV-4420 A/B Clear 20 4,000 86 580 500 60 min 1.10
RTV-4528 A/B Clear 28 (Shore 00) 4,000 11 217 800 90 min 1.10
RTV-4545 A/B Clear 45 (Shore 00) 1,900 50 450 800 40 min 1.07

Note: RTV-4410 & RTV 4420 are available in a quick cure (QC) version at room temperature
Silbione® Skin Adhesives are two-part platinum catalyzed silicone gel elastomers designed specifically for skin contact applications to provide gentle, non-irritating adhesion.

Recommended Silbione® Skin Contact Products

⇒Click on a product name to download the TDS

Products Viscosity
[mPas]
Mix
Ratio
Penetration2
[mm/10]
Probe
Tack3
[mJ/cm2]
Working
Time
[minutes]
Biocompatibility
Cytotoxicity Skin
Irritation
Skin
Sensitization
Hemolysis Pyrogenicity
RT Gel 4512 A/B 6000  1:1 120 1.2  45′
RT Gel 4712 A/B 42000   1:1 120 3.8 45′
RT Gel 4317 A/B 3000   1:1 170 5.2 60′
RT Gel 4320 A/B 3000   1:1 210 6.6 60′
RT Gel 4717 A/B 4500  1:1 170 9.0 30′
HS Firm Gel LV 12000   10:1 140 0.67 45′
Gel HS Firm 50095 10000    10:1 110 0.23 180′
PSA 75  mono-component na 0.41  na

Note: User has sole responsibility to determine product suitability for intended uses and applications.

1. The typical properties listed above are not intended for use in preparing specifications for any particular application of Elkem Silicones materials.
2. Approx. [mm/10], hollow cone (62.5g) DIN ISO 2137
3. Approx. [mJ/cm2], steel probe, 0.25mm layer

All testing conducted on cured skin adhesive product A+B
■ – Indicates test performed on the material; successfully passed.
❑ – Indicates test not performed on the material; however, it is substantially equivalent to another tested Bluestar skin adhesive product that successfully passed.

Key Properties:

Soft, Gentle Adhesion for Easy, Painless and Non-Traumatic Removal — The hydrophobic nature of silicones enables gentle adhesion to dry skin.

Repositionable – Silbione® Skin Adhesives retain adhesion properties upon removal, so they may be repositioned for several applications.

Reusable – Silbione® Skin Adhesives may be washed and reused.