Note : Your Quotation Request will be directed to Park Electrochemical Corp.
The NH9000 from Park Electrochemical Corp is a Laminate with Dk (Dielectric Constant) 2.94-4.50 at 10 GHz. More details for NH9000 can be seen below.
Laminate for Microwave Printed Circuit Board with Enhanced Thermal Conductivity
You can now find similar products from multiple companies on everything RF.