Blue HEPA Filter Gel Seal for Cleanroom Ceilings | Low Viscosity Fast Flow Grade Two Component Tank Sealant Jelly Gel
HY-9400、、
HY-9400 is a two-component addition-cure blue tank sealant jelly gel with high surface tack, specifically designed for poured into the knife-edge gel channel of HEPA filter housings in cleanroom ceilings.
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Product Overview:
As a low viscosity fast flow grade, it flows quickly into narrow gel channels and complex cavities without voids. After curing it forms a soft, tacky, jelly-like mass that seals out dust, moisture and airborne particles while remaining flexible and self-healing throughout years of service.
Key Features:
- RoHS and REACH compliant, food-contact grade available on request
- Two-component addition-cure platinum catalyzed silicone system
- Self-leveling, no vacuum degassing required before pouring
- Resistant to ozone, UV, moisture and common cleanroom cleaning agents
- Customizable blue or transparent color, hardness and tack level
- Wide operating temperature range -60C to 200C
- Recommended model: HY-9400 - Blue high tack tank sealant jelly gel
Technical Parameters:
Model | Color | Viscosity (mPa.s) | Operation Time (min) | Cure Time (hr) | Penetration (0.1mm) | Tack | Mix Ratio |
HY-9400 | Blue | 1200+/-300 | 20-40 | 4-6 | 200+/-30 | High | 1:1 |
HY-9405 | Blue | 1800+/-400 | 20-40 | 4-6 | 170+/-30 | Medium | 1:1 |
HY-9409 | Transparent | 2200+/-400 | 20-40 | 4-6 | 150+/-30 | Low | 1:1 |
Why Choose Jelly Gel Over Traditional Seals: Unlike rigid epoxy potting compounds or closed-cell foam gaskets, HY-9400 stays permanently soft and tacky. Knife edges, register covers and sensor housings can be removed for service and re-seated without replacing the gel, dramatically reducing consumable cost and downtime. Typical field projects report zero leakage through the gel channel for more than five years after a single pour, and the same channel can be topped up with fresh gel during annual maintenance rather than being torn out.
Application & Operating Instructions:
- Clean the gel channel with a dry lint-free cloth; make sure no oil, water or latex residue remains. 2. Stir component B thoroughly for 2 minutes before dispensing because the blue pigment tends to settle. 3. Weigh A and B 1:1 by weight, then mix slowly for 3 to 5 minutes until the color is uniform. 4. Pour along one end of the channel and let the gel self-level; recommended pour depth is 15 to 25 mm. 5. Cure 4 to 6 hours at 25C before installing the HEPA filter; full properties are reached after 24 hours. No vacuum degassing is needed. Avoid sulfur, nitrogen, phosphorus and tin contaminants such as latex gloves.
Model Selection Guide: Model selection within the HY-94 series is straightforward. Choose HY-9400 (blue, high tack, penetration 200) for HEPA and biosafety cabinet gel channels where self-healing is critical. Choose HY-9405 (blue, medium tack, penetration 170) for meters, sensors, ECU and outdoor electronics that need balanced flow, water resistance and serviceability. Choose HY-9409 (transparent, low tack, penetration 150) for skin-contact products such as bra pads, breast forms, nipple covers and medical positioning pads where a dry skin feel matters most.
Recommended Application: HEPA Filter Gel Seal for Cleanroom Ceilings
Packaging: Standard packaging: 1kg, 5kg, 20kg, 25kg and 200kg kits. A and B components are supplied in separate containers within each kit.
FAQ:
Q: Does the gel bleed oil or turn yellow?
A: No. The HY-94 series uses a refined low-bleed formula. Under normal indoor conditions the gel does not release oil or yellow within 5 years. A premium anti-yellowing grade is available for transparent products.
Q: How long does it take to cure?
A: At 25C the gel reaches touch-dry in 4 to 6 hours and full properties after 24 hours. Mild heat at 60 to 80C can shorten demolding time to 30 to 60 minutes for bra pad and breast form production.
Q: Does the gel self-heal after a filter is changed?
A: Yes. The cured gel remains permanently tacky. When a HEPA filter knife edge is lifted and reinserted, the gel flows back around the blade and restores the airtight seal within minutes.
Q: Which model should I use for HEPA filter gel seals?
A: We recommend HY-9400. It has the highest tack and the softest penetration of 200 plus or minus 30, giving the most reliable seal against knife-edge filter tanks in cleanrooms.