Xpc ccl

XPC (Phenolic Paper) is a flame-retardant grade of paper-based laminate. You must prioritize Dielectric Constant (Dk) and Dissipation Factor (Df) to ensure signal integrity. Key metrics include a Glass Transition Temperature (Tg) typically around 90°C to 110°C, and a Peel Strength of at least 1.2 N/mm. Ensure the Copper Foil Purity is 99.8% or higher to prevent circuit failures in low-voltage applications like remote controls and toys.

For global market entry, the product must carry the UL 94V-0 flammability rating, which is the industry standard for fire safety. Additionally, compliance with RoHS (Restriction of Hazardous Substances) and REACH is non-negotiable to ensure the absence of lead and halogenated flame retardants. For the Chinese manufacturing sector, look for CQC certification and ISO 9001:2015 quality management systems.

XPC is significantly more cost-effective than FR-4 because it uses cellulose paper and phenolic resin instead of glass cloth and epoxy. It is ideal for single-sided PCBs where high mechanical strength is not required. While it offers lower costs, it is susceptible to moisture absorption, so it should only be used in dry, low-frequency environments to maintain its economic advantage without risking product recalls.

XPC CCL is primarily used in consumer electronics where cost sensitivity is high. Common applications include power supply boards, keyboard PCB substrates, LED lighting drivers, and household appliance controllers. Because it is easy to punch and die-cut at room temperature, it is the preferred material for high-volume, low-complexity electronic manufacturing.

Request a Pre-Shipment Inspection (PSI) and specifically ask for a Solder Float Test (typically 260°C for 10 seconds) to check for delamination or blistering. Use Made-in-China.com’s Secured Trading services to ensure payment is only released after the quality matches the agreed-upon Golden Sample.

Since CCL prices are heavily influenced by raw copper market rates (LME), negotiate a price adjustment formula based on the current copper index. Aim for a volume-based discount; for XPC, price breaks usually occur at the 500-sheet or 1,000-sheet threshold. Always clarify if the quoted price includes palletizing and vacuum packaging, which are essential for preventing oxidation during sea freight.

XPC is sensitive to humidity. Ensure the supplier uses vacuum-sealed moisture-proof bags with desiccant packs. For shipping, specify FOB (Free On Board) terms if you have a reliable forwarder, or CIF (Cost, Insurance, and Freight) if you want the supplier to handle the risk until the port of destination. Ensure the HS Code 741021 (Copper-clad laminates) is correctly declared to avoid customs delays.

Prioritize Audited Suppliers on Made-in-China.com who have undergone third-party verification by agencies like SGS or Bureau Veritas. Utilize Escrow-style payment terms and avoid direct wire transfers to unverified personal accounts. Always verify the Supplier’s Business License and their history of exporting to your specific region to ensure they understand local import duties.