HS Codes and Customs Documents for Silicone Mold Shipments

There is no single HS code that should be copied onto every custom silicone mold shipment worldwide.

Classification can depend on what is being shipped, its material, function, destination country and the importing authority’s interpretation.

RUUIPON can provide an accurate commercial description, material information, quantity, invoice value and packing data. The importer or customs broker should confirm the final tariff classification for the destination.

Similar-looking silicone items may be classified differently depending on:

• article type
• material
• function
• whether it is a mold/tool or finished product
• destination customs rules

Do not select a code only because another supplier used it on a different shipment.

Prepare:

• product description
• material
• intended function
• quantity
• country of origin
• unit/total value
• net/gross weight
• packing details
• supporting material documents where relevant

Use a factual description.

Example:

Custom silicone mold for [application], [material description], [quantity], for repeated casting use.

For finished silicone products, describe the actual article rather than calling everything a “mold.”

The packing list should match the physical shipment:

• carton count
• item quantity
• net weight
• gross weight
• dimensions

Do not manipulate descriptions or values to reduce duty.

Food-contact reports support material/article compliance discussions.

They do not automatically determine tariff classification.

EXW

Buyer takes responsibility from the agreed pickup point.

FOB

Used for suitable freight routes; seller handles the agreed export-side obligations to the named port point.

DAP

Seller arranges delivery to the named place; buyer generally handles import clearance/duties/taxes.

DDP

Seller takes the broadest delivery/import-duty responsibility to the named place, subject to what is agreed and legally practical in the destination.

The quotation must say what is included.

Can RUUIPON quote DDP to the U.S., Europe or Australia?

Where available and practical, yes. Send the complete delivery address/postcode and quantity. The final landed quote depends on packed size/weight, carrier route and the tax/duty assumptions available at quotation time.

If customs requests clarification, prepare:

• invoice
• packing list
• accurate material/product description
• broker/importer contact
• requested supporting documents
• country-of-origin information

Is 3926.90 always the correct HS code?

No.

Is 4016.99 always correct?

No.

Who should confirm the final code?

The importer/customs broker should confirm the destination-specific tariff classification.