Having an issue with one of our products? Let us know.

K-Tek Nanotechnology products are backed by our Product Performance Guarantee. If our products are defective we will gladly replace the product within 30 days of purchase. We ask that you inspect your purchase upon receipt to determine if any damages might have occurred during shipment.

For products that have been confirmed to be defective and need to be replaced, we require that the entire quantity that was purchased be returned to us so that we can inspect it properly We will then ship the replacement parts free of charge.

If you need to return or exchange your purchase, please complete the Return Request form and our support team will get back to you.

Replacement Request







Purchase Date (required)

Please describe the issue with the product with as many specifics as possible about how you are using the product.