Beginning 29 AUG 2025, the “de minimis” exemption, which allowed shipments of goods worth $800 or less to enter the United States duty free, will be eliminated. (Detail Here)

Important Notice for Our U.S. Customers

***Latest Information - June 30*** The United States has suspended its duty-free de minimis treatment for all countries, effective August 29, 2025, meaning low-value shipments (previously under $800) will now be subject to all applicable duties and taxes.

By acknowledging this notice, you agree to accept responsibility for any customs duties, taxes, or tariffs imposed on your order. Please note that we cannot accept "non-payment of taxes" as a valid reason for order rejection.
We appreciate your understanding and continued support. Customer have any questions, Please do not hesitate to contact us.

1 3
4UANTUM  |  SKU: 4UAD-SEAL-001

4UAD High Viscosity Airtight Sealant ( SEAL-001 )

$6.00 USD

Delivery and Shipping

In Stock Item Process Within 24 Hours.


Manufacturer: 4UANTUM
SKU: 4UAD-SEAL-001 

  • Ideal for fixing & preventing leaks on o-rings and gaskets
  • Non-corrosive to plastic and rubber components
  • Penetrates and fills uneven spaces and gaps
  • Silicone component gives rubber a longer service life
  • Excellent adhesion to further enhanced seal integrity
  • Twist pen makes it easy to carry and allows for touch-free application
143
Verified Reviews