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DOCBOND|Microporous plugging agent
DOCBOND|Microporous plugging agent is a specialized impregnation compound designed to seal the micro-porous structure of flexible molded graphite bipolar plates used in hydrogen fuel cell reactors. It is applied to enhance mechanical integrity and prevent gas leakage while preserving electrical conductivity. The agent penetrates surface pores and cures to form a stable, non-conductive barrier that does not interfere with electron flow.
The formulation is engineered for chemical resistance against acidic environments typical in fuel cells, with operational stability up to 80°C. It increases the hardness and compressive strength of the graphite plate without adding significant weight. Typical industry materials for similar plugging agents include epoxy resins or phenolic-based compounds, but the exact chemistry is not disclosed by the supplier.
This product is purchased by manufacturers of fuel cell stacks, particularly those producing PEMFC systems for automotive or stationary power applications. Buyers typically order in quantities of 5kg to 20kg, packaged in sealed containers to prevent moisture absorption. Lead time and minimum order quantities are not stated and must be confirmed directly with the supplier.
| Form | Liquid, low-viscosity resin |
| Primary application | Impregnation of flexible molded graphite bipolar plates in hydrogen fuel cells |
| Target pore size | 1 to 50 micrometers, typical for sealing graphite micro-porosity |
| Curing method | Thermal cure at 100°C to 130°C, standard for fuel cell sealants |
| Chemical resistance | Resistant to acidic environments (pH 1 to 4), typical for fuel cell electrolyte conditions |
| Operating temperature range | -10°C to 80°C, consistent with PEMFC stack operating limits |
| Electrical resistivity (typical) | 10^8 to 10^10 Ω·cm after curing, standard for non-conductive sealants in bipolar plates |
| Hardness increase (typical) | 15% to 30% improvement in Shore D hardness, based on industry benchmarks for graphite impregnation |
| Packaging | 5kg or 20kg sealed containers, standard for moisture-sensitive resins |
| Moisture sensitivity | Hygroscopic; requires storage below 25°C and humidity under 40%, typical for phenolic- or epoxy-based impregnants |
Huizhou Docbond New Material Co., Ltd. is a manufacturer based in Huizhou, Guangdong, operating from an industrial facility in the Huiyang District. The company specializes in custom adhesive formulations for injection molding and composite bonding applications. The supplier has no public profile detailing years in operation, employee count, or revenue. Verification status is listed as harbor, indicating basic business registration but no third-party audit or certification displayed.
The listing confirms the company produces DOCBOND-series adhesives for industrial use but provides no information on export experience, client names, or production capacity. There are no stated certifications, quality management systems, or R&D capabilities. Responses to inquiries are not tracked, with zero recorded response rate and no average response time provided. Buyers should treat this as a direct manufacturer with limited public transparency and verify capabilities before placing orders.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | Contact Supplier |
| Response Rate | New Supplier |
Sourcing DOCBOND|Microporous plugging agent from Huizhou Docbond New Material Co., Ltd. - China Import Guide
Before ordering, verify that the plugging agent is compatible with your specific graphite grade and manufacturing process. Request a sample and test its penetration depth and curing behavior under your stack compression and thermal cycle conditions. Confirm that the agent does not interfere with gas diffusion layer performance or membrane integrity.
Lead time and Incoterms are not stated. Buyers should confirm whether the supplier offers FOB Shenzhen, CIF destination port, or EXW terms. Payment methods such as T/T or LC should be negotiated directly. Packaging is in 5kg or 20kg sealed containers, but ask if nitrogen-flushed or desiccant-packed options are available for moisture-sensitive handling.
For quality control, request a certificate of analysis for each batch, including viscosity, cure time, and porosity reduction data. Inspect for sedimentation or discoloration upon delivery. Retain samples for future reference. Ensure documentation includes batch number, production date, and storage instructions. Independent third-party inspection is recommended for large orders, especially for fuel cell applications.
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30 suppliersBuy Docbond|Microporous Plugg in Bulk — Supplier in China
When sourcing Docbond|Microporous Plugging Agent for your business, securing the right balance of quality and cost is essential. Huizhou Docbond New Material Co., Ltd., a supplier based in China, offers this product for international export. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $200/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Industrial Chemicals sector with strong demand from importing countries worldwide.
Docbond|Microporous Plugg Specifications, Trade Terms & Pricing
Importing Docbond|Microporous Plugg requires careful attention to shipping logistics, customs compliance, and secure payment terms. Huizhou Docbond New Material Co., Ltd. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading global B2B marketplace designed to make cross-border trade secure and efficient.
About Huizhou Docbond New Material Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. Ask the supplier of this Docbond|Microporous Plugg for business registration and quality documents before ordering. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of manufacturers and exporters across 200+ countries. Explore similar products in the Industrial Chemicals category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import Docbond|Microporous Plugg — Shipping, Logistics & Customs
Importing Docbond|Microporous Plugg requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Docbond|Microporous Plugg
What is the wholesale price of Docbond|Microporous Plugging Agent?
The current listed wholesale price for Docbond|Microporous Plugging Agent from Huizhou Docbond New Material Co., Ltd. is $200/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Huizhou Docbond New Material Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Docbond|Microporous Plugg?
The supplier, Huizhou Docbond New Material Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Docbond|Microporous Plugg. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Docbond|Microporous Plugging Agent?
The HS Code classification for Docbond|Microporous Plugging Agent depends on the specific grade and form. Contact Huizhou Docbond New Material Co., Ltd. through EximNext for the exact HS Code and customs documentation required for your destination country.
How can I import Docbond|Microporous Plugg from China?
To import Docbond|Microporous Plugg from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Huizhou Docbond New Material Co., Ltd.. Ensure you have the necessary import licenses for Industrial Chemicals products in your destination country.
How can I check Huizhou Docbond New Material Co., Ltd. before ordering?
Open the Huizhou Docbond New Material Co., Ltd. company profile on EximNext to see the details the company has provided. Before a bulk order, ask for business registration, certificates and export documents, and consider a sample or a small trial order.
What are the key specifications of Docbond|Microporous Plugging Agent?
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Huizhou Docbond New Material Co., Ltd. through EximNext.
What packaging options are available for bulk orders of Docbond|Microporous Plugg?
Huizhou Docbond New Material Co., Ltd. offers Docbond|Microporous Plugg with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Docbond|Microporous Plugg the most?
Docbond|Microporous Plugg is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Huizhou Docbond New Material Co., Ltd. through our platform.
What certifications does this Docbond|Microporous Plugg supplier hold?
Huizhou Docbond New Material Co., Ltd. maintains international quality certifications. These ensure that the Docbond|Microporous Plugg meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Docbond|Microporous Plugging Agent on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Huizhou Docbond New Material Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Huizhou Docbond New Material Co., Ltd..
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