UL Materials

UL Materials

South Bay Circuits is UL approved to build printed circuit board materials with a safety fire rating of 94V-0, UL file number: UL E81167. SBC uses Isola, Grace, Nelco, Vented, and Nanya Shanghi for UL compliant materials. On the assembly side of production SBC provides UL file management for specific customer part numbers.

SBC also utilizes materials that are not on SBC’s UL file such as Rogers and other mixed materials.

PC Bare Boards


UL Material Approved (File #: E81167)

Manufacture Laminate Prepreg Single/ Double sided
                    Isola 370HR 370HR 370HR
  FR406 FR406N FR406
  IS410 IS410 IS410
  ED130UV ED130UV -
  P95 P25N P95


GA-170-LL GA-170B-LL GA-170-LL
Ventec VT-47 VT-47 VT-47

Shanghi Nanya

- - SN-L4_NY1140
  Park Nelco N4103-13 N4103-13 N4103-13
  N4105-7 N4105-7 -



Solder Mask UL Approved

Manufacture Product Part number
Taiyo Solder Mask PSR-4000BN
Eternal Conformask 2000

SBC Materials not UL Approved


SOME MIXED PACKAGES (Ask for specific mixed packages not available under SBC UL File)


Depending on the customers’ requirements SBC can provide UL File management for any assembly or box-build the customer has on file specific part number.

Certified ISO9001
ISO 9001:2008

SBC is an ISO 9001:2015 certified company through UL-DQS. South Bay Circuits utilizes ISO 9001:2015 eight fundamental quality management principles to help improve our PC Board Fab, PC Assembly, and Box Build performance. Certificate #: 10000903 QM15

ITAR Registration
ITAR registered printed circuit board fabrication

ITAR Registered! We are a manufacturer that builds defense articles with related technical data that can be defined on the United States Munitions List (Part 121 of the ITAR), where we are registered.

do you need assistance or have a question?
* Required
Subscribe to South Bay Circuits Mail List