Superior No. 30 SuperSafe™ Soldering Flux

Superior No. 30 Soldering Flux and its variations represent our most popular soldering flux. Safer to use than most fluxes. The No. 30 family product line is ideal for a variety of electronic soldering applications, aerospace applications, as well as electrical, industrial, and artisan.

No. 30 family of fluxes is ideal for all-purpose soldering in electronics as well as general purpose soldering. No. 30 Soldering Flux is used with printed circuit boards (PCB’s); semi-conductor and component lead tinning; flat and round wire fabrication; wire, cable and terminal lead tinning and soldering applications. Learn about our full range of Electronics Soldering Flux. In addition to these electronics soldering applications, Superior No. 30 soldering flux is also used in a variety of industrial and artisan applications. (Learn about our extensive range of Industrial Soldering Flux and Aluminum Soldering Flux.)

Superior No. 30

Organic Acid Liquid Flux


Available Sizes

Packaging Case Quantity
2 Ounces144
4 Ounces24
1 Pint12
1 Quart12
1 Gallon4
5 Gallon 1
55 Gallon1

Additional sizes available: Contact Superior Flux 

Non-Hazardous For Shipping,
GHS Classification: Irritant (Pictogram below)

GHS Exclamation mark

Ships as “non-hazardous” and is RoHS compliant

Shelf Life: 2 years from the date of manufacture

SUPERIOR FLUX NUMBER No. 30
Description Organic acid liquid flux
Recommended Base Metals Copper, brass, nickel, alloys 42 & 51, Kovar, some ferrous metals
Recommended Solders Lead-Free, Tin/Lead, Fusible Alloys
Recommended Temp Ranges 95-315°C / 200-600°F
Specifications IPC ANSI-J-STD ORM1 O-F-506C, Type 1, Form B

Superior No. 30DS

Double-Strength Liquid Flux


Available Sizes

PACKAGINGCASE QUANTITY
1 Gallon4
5 Gallon1
55 Gallon1

Additional sizes available: Contact Superior Flux 

Non-Hazardous For Shipping,
GHS Classification: Irritant (Pictogram below)

GHS Exclamation mark

Ships as “non-hazardous” and is RoHS compliant

Shelf Life: 2 years from the date of manufacture

SUPERIOR FLUX NUMBER No. 30DS
Description Double-Strength Liquid Flux
Recommended Base Metals Copper, brass, nickel, alloys 42 & 51, Kovar, some ferrous metals
Recommended Solders Lead-Free, Tin/Lead, Fusible Alloys
Recommended Temp Ranges 95-315°C / 200-600°F
Specifications IPC ANSI-J-STD ORM1 O-F-506C, Type 1, Form B

Superior No. 30 Paste

Organic Acid Paste Flux


Available Sizes

PACKAGINGCASE QUANTITY
10 CC Syringe10
30 CC Syringe10
1 Pound24
10 Pound4
25 Pound1
40 Pound1

Additional sizes available: Contact Superior Flux 

Non-Hazardous For Shipping,
GHS Classification: Irritant (Pictogram below)

GHS Exclamation mark

Ships as “non-hazardous” and is RoHS compliant

Shelf Life: 2 years from the date of manufacture

SUPERIOR FLUX NUMBER No. 30 Paste
Description Organic acid paste flux
Rec. Base Metals Copper, brass, nickel, alloys 42 & 51, Kovar, some ferrous metals
Rec. Solders Lead-Free, Tin/Lead, Fusible Alloys
Rec. Temp Ranges 95-315°C / 200-600°F
Specs. IPC ANSI-J-STD ORM1 O-F-506C, Type 1, Form B