Liveo Q7-4780 is the hardest grade within DuPont Q7 series enhanced tear resistant ETR High Consistency rubber lineup, two-part platinum addition cure medical silicone rubber with Shore A 78 maximum hardness. This shore A 78 silicone delivers rigid structural strength balanced with reliable 32.4 kN/m Die B tear resistance, ideal for high-stress rigid medical hardware. It fully complies with FDA 21 CFR food & biotech contact standards, compatible with steam autoclave, EO and gamma 50kGy sterilization cycles. Standard curing condition is 10 minutes at 115°C for parts up to 2mm thickness; optional 175°C × 2h post-cure is available for ultra-low volatile demands. Blended compound can be sealed and frozen for up to 7 days to retain usable working life. Designed exclusively for medical devices with less than 30 days human tissue contact, this ETR High Consistency Rubber supports compression molding, transfer molding and continuous extrusion manufacturing workflows.

• Product: Liveo Q7-4780

• Grade: ETR enhanced tear resistant medical High Consistency Rubber

• Form: Two-part A & B, mix 1:1 equal weight

• Cure System: Platinum addition cure

• Hardness: Shore A 78 max hard silicone

• Molding shrinkage: 2.0%

• Tensile Strength: 8.3 MPa

• Elongation at break: 532 %

• Tear strength (Die B): 32.4 kN/m

• Tear strength (parallel): 26 kN/m

• Modulus at 200% strain: Refer to official test data

• Compression set (23°C): 68.8 %

• Density: 1200 kg/m³

• Standard cure: 10 min @ 115°C (≤2mm cross-section)

• Liveo Q7-4780 shore A 78 silicone, hardest ETR High Consistency Rubber grade in Q7 series

• Two-part platinum cured medical rubber free of peroxide residues & toxic byproducts

• Passes FDA 21 CFR certification for food, skin and biopharma fluid contact

• Maintains stable mechanical properties after autoclave, EO & gamma sterilization

• Ultra-rigid texture for structural medical frames, stoppers and high-pressure seals

• Straightforward two-roll mill blending; frozen storage extends mixed stock life to 7 days

• Non-blooming smooth surface without oil bleeding on precision rigid moldings

• Pigmentable for custom color matching per medical product specifications

• Rigid structural implant parts molded from Liveo Q7-4780 shore A 78 silicone ETR High Consistency Rubber

• Hard pharmaceutical stoppers, thick high-pressure medical gaskets & diagnostic housings

• Stiff biopharma fluid transfer tubing and heavy-load reusable surgical silicone hardware

• Short-term drainage & respiratory components requiring maximum structural rigidity

• Rigid wearable medical sensor frames with long service cycle demand