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HH-5084
UV & moisture dual-cure gasket silicone sealant with ultra-high elongation
For flange sealing and gaskets of automotive, electronic, military and medical equipment. Suitable for fast surface & deep curing bonding of PVC, glass, metal and rigid plastics; bonds glass, rubber, wood, ceramic and painted surfaces.
Pale yellow
Color
Paste
Viscosity(mPa⋅s)
-55-200
Temperature(℃)
Description
SUITIT HH-5084 is pale yellow translucent high-strength non-corrosive paste silicone gasket sealant. Cured by UV light and ambient moisture to form soft, highly flexible elastomer, resisting ozone, humidity and weathering. Developed for flange sealing & gaskets across automotive, electronics, military and medical industries, compatible with multiple substrates.
Features
- Rapid UV skin formation & deep curing
- RoHS compliant, eco-friendly formula
- Outstanding resistance to water, oil and chemicals
- High toughness, anti-vibration & thermal shock resistant (-55~200℃)
- Optimized for flange gaskets and medical equipment sealing
- Excellent electrical insulation property
- Stable performance against ozone, moisture and weathering
Specification
Uncured Properties
- Appearance: Pale yellow translucent paste
- Chemical Type: Alkoxy
- Specific Gravity (25℃): 1.00–1.05 g/ml
- Extrusion Rate (25℃, 0.62MPa, Ø5mm, 10S): 140–300 g
- UV Curing Time (100mW/cm², 365nm): ≤10 s
- Moisture Tack-Free Time (23℃/50%RH): 30–60 min
Cured Properties (UV 60s + 7-day moisture cure at 23℃/50%RH)
- Hardness (Shore A): 35–45
- Post-Tg Coefficient of Thermal Expansion: 293×10⁻⁶ K⁻¹
- Permanent Deformation (72h, RT): 20%
- Permanent Deformation (72h, 75℃): 56%
- Permanent Deformation (72h, 100℃): 85%
- 24h Water Absorption (Room Temp): 0%
- Tensile Strength: >3.0 MPa
- Elongation at Break: >250%
- Shear Strength (Aluminum/Glass): ≥2.0 MPa
- Shear Strength (Glass/Glass): ≥2.5 MPa
- Dielectric Strength: 25 KV/mm
- Dielectric Loss Tangent: 3.6
- Power Factor (1 KHz): 3 × 10⁻³
- Volume Resistivity: 5.5 × 10¹⁶ Ω·cm
Operation & Safety
Use in well-ventilated spaces with proper personal protective equipment during application.
Storage & Shelf Life
Store in original packaging under ≤25℃; shelf life is 6 months counting from production date.
Packaging Sizes
30ml cartridge, 300ml cartridge, 20kg drum
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