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Exporters of gel-sealed filters, potted electronics and gel-filled consumer products face a documentation maze; understanding the five core frameworks prevents shipment holds and audit failures. RoHS 2.0 restricts lead, cadmium, mercury and other hazardous substances in electrical and electronic equipment sold in the EU and similar regimes, and applies directly to gel used in electronics and appliances. REACH is the EU chemicals regulation, under which articles must not contain SVHC substances above 0.1 percent; suppliers issue SVHC declarations. FDA 21 CFR 177.2600 is the US regulation for rubber materials intended for repeated food contact, widely used as the safety baseline for body-contact and baby products. LFGB is Germany’s food and feed law, the strictest EU food-contact framework, commonly required for kitchen, baby and skin-contact gel products. UL94 is the flame-retardancy rating required by electronics and battery tenders. Hong Ye jelly gels ship with ISO 9001 quality management, RoHS 2.0 and REACH SVHC documentation and batch COA as standard; HY-9409 transparent grade additionally carries FDA 21 CFR 177.2600 and LFGB reports; HY-9405 offers an optional UL94 V-0 flame-retardant grade. This article maps each certificate to its market and application so procurement teams can request the right document set.

PRODUCT REQUIREMENTS
Export documentation requires: RoHS 2.0 for electronics/appliance gels; REACH SVHC declarations for EU market; FDA 21 CFR 177.2600 and LFGB for food/skin-contact grades; UL94 V-0 rating for flame-retardant electronics; ISO 9001 and batch COA for traceability; and stable formulations so documents remain valid across orders. In export-document detail, electronics and appliance lots provide RoHS 2.0 declarations and EU customers also receive REACH SVHC; food and skin-contact grades provide FDA 21 CFR 177.2600 and LFGB reports, and flame-retardant products provide UL94 V-0 support. Each batch COA states viscosity, operation time, cure time, penetration and mix ratio. Formulation changes are controlled and revalidated, and document versions are archived by order; packaging marks match lot numbers, supporting destination-country sampling and factory audits.
CORRESPONDING PRODUCT MODEL PARAMETERS
Recommended model: HY-9400 - Blue high-tack grade for HEPA/ULPA filter gel channels and cleanroom seals
| Model | Color | Viscosity (mPa.s) | Operation Time (min) | Cure Time (hr) | Penetration (0.1mm) | Tack | Mix Ratio | Density (g/cm3) |
| HY-9400 | Blue | 1200+/-300 | 20-40 | 4-6 | 200+/-30 | High | 1:1 | 0.98 |
GRADE SELECTION GUIDE
The HY-94 series offers three standard jelly gel grades for liquid-channel sealing, soft electronic potting and body-contact gel products. Their color, cone penetration, tack and typical applications are described below so users can choose the grade that matches sealing force, shape retention and processing needs.
HY-9400 is a blue grade with cone penetration 200 (0.1mm) and high tack. It is mainly used in HEPA/ULPA filter gel channels and biosafety cabinet seals, and in other applications that require strong adhesion and repeatable re-sealability.
HY-9405 is a blue grade with cone penetration 170 (0.1mm) and medium tack. It is recommended for electronic potting and sensor encapsulation, and for applications that balance softness with dimensional stability.
HY-9409 is a transparent grade with cone penetration 150 (0.1mm) and low tack. It fits transparent gel pads, intimate apparel and prosthetic devices, and other applications that require visual clarity or easy repositioning.
FREQUENTLY ASKED QUESTIONS
Q: Which certificates come standard with Hong Ye jelly gel?
A: ISO 9001, RoHS 2.0, REACH SVHC documentation and batch COA are standard for all grades; FDA 21 CFR 177.2600 and LFGB reports accompany HY-9409; UL94 V-0 applies to the flame-retardant HY-9405 grade.
Q: Do I need FDA documents for electronics potting gel?
A: No. Electronics and filter gels require RoHS/REACH; FDA and LFGB apply to food-contact and body-contact products made with HY-9409.
Q: Can additional market-specific tests be arranged?
A: Yes. Hong Ye coordinates testing through accredited laboratories for ISO 10993 biocompatibility and other market-specific requirements.
QUALITY ASSURANCE & CERTIFICATION
Every batch of Hong Ye HY-94 series jelly gel is produced under ISO 9001 certified quality management in a dedicated silicone workshop, with incoming raw-material inspection, in-process mixing control and finished-product testing on every batch. Before release each lot is checked for viscosity, mix ratio, cure time, penetration, color and tack, and a Certificate of Analysis (COA) listing the actual measured values ships with every order. Standard grades carry RoHS 2.0 and REACH SVHC test reports; skin-contact and baby-care grades can be supplied with FDA 21 CFR 177.2600 and LFGB Section 30/31 reports and, on request, ISO 10993 biocompatibility testing; flame-retardant grades meet UL94 V-0. Food-contact, medical and export orders are supported by the corresponding compliance files for customer qualification. Hong Ye has manufactured and supplied jelly gel to contractors, filter builders and equipment makers in over 60 countries since 2005, with monthly capacity above 500 tons, batch traceability and multi-language documentation. Application engineers provide grade selection, sample evaluation, on-site or video pouring guidance and after-sales follow-up, and technical data sheets (TDS), safety data sheets (SDS) and test reports are available before order to support tender and audit processes.

CONCLUSION
The market for tank sealant jelly gel in this application area continues to expand as cleanroom construction, electronic encapsulation, automotive electrification, energy storage and consumer product manufacturing drive demand for reliable two-component addition-cure silicones. Hong Ye supports this growth with ISO 9001 certified production, 500-plus ton monthly capacity, complete compliance documentation and responsive application engineering. Buyers evaluating suppliers are advised to look beyond unit price and compare batch-to-batch consistency, documentation completeness, delivery stability and technical service responsiveness, because the cost of a sealing or potting failure - rework, downtime, certification delay or product recall - far exceeds the incremental cost of a quality gel. Choosing the correct grade for the channel, operating temperature and service environment, following the 1:1 mixing and pouring procedure and validating with a small trial batch all help secure a durable seal. Hong Ye welcomes sample requests and application enquiries; our engineers will recommend the HY-9400, HY-9405 or HY-9409 grade that matches the sealing or potting requirement and support qualification from first sample through volume production.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.