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Ammonium Fluoride Chemical Resistance

Resistance ratings for 24 plastics, elastomers and metals at 20 °C and 50 °C. Listed at 2 concentrations, because the rating depends on it.

At a glance

Based on the row for saturated, 20 °C.

Rated A, very good resistance
PTFE, HDPE, PP, PVDF, PVC Rigid, EPDM, NBR, SS 316, SS 304, LDPE, FEP, Nylon (PA), PMP (13)
Rated B, good resistance
Viton (FPM), Acetal (POM), PETG (3)
Rated C, limited resistance
none (0)
Rated D, not resistant
Aluminium, Polycarbonate (2)
No data in the source
ECTFE/ETFE, Silicone, PVC Flexible, Polystyrene, Polysulfone, SAN
Rated lower at 50 °C than at 20 °C
Viton (FPM) (B → C)
Rating changes with concentration (20 °C)
Polycarbonate: C (aqueous), D (saturated)

Based on the row for saturated, 20 °C.

Rating profile by material family

Ammonium Fluoride: Rating profile by material familyThermoplastics: 6 A, 2 B, 1 D, 4 no data. Fluoropolymers: 3 A, 1 no data. Elastomers: 2 A, 1 B, 1 no data. Metals: 2 A, 1 D.Thermoplastics (13)Thermoplastics: 6 × A, very good resistance (HDPE, LDPE, PP, PVC Rigid, PMP, Nylon (PA))A 6Thermoplastics: 2 × B, good resistance (PETG, Acetal (POM))B 2Thermoplastics: 1 × D, not resistant (Polycarbonate)Thermoplastics: 4 × no data (PVC Flexible, Polystyrene, SAN, Polysulfone)– 4Fluoropolymers (4)Fluoropolymers: 3 × A, very good resistance (PTFE, FEP, PVDF)A 3Fluoropolymers: 1 × no data (ECTFE/ETFE)– 1Elastomers (4)Elastomers: 2 × A, very good resistance (EPDM, NBR)A 2Elastomers: 1 × B, good resistance (Viton (FPM))B 1Elastomers: 1 × no data (Silicone)– 1Metals (3)Metals: 2 × A, very good resistance (SS 316, SS 304)A 2Metals: 1 × D, not resistant (Aluminium)D 1
A very good resistanceB good resistanceC limited resistanceD not resistantno data
Number of materials in each family with each rating at 20 °C.

Effect of temperature, 20 °C to 50 °C

Ammonium Fluoride: Effect of temperature, 20 °C to 50 °CViton (FPM) B → C.ABCDViton (FPM): B at 20 °C, C at 50 °CViton (FPM)
20 °C50 °C
Materials whose rating differs between 20 °C and 50 °C. Materials not shown keep their rating or have no 50 °C value.

Substance

CAS number
12125-01-8
Formula
(NH4)F
Hazard symbols in the source
T (toxic), C (corrosive) (pre-GHS European symbols; check the current safety data sheet)
Concentrations listed
aqueous; saturated
Name in the source (German)
Ammoniumfluorid

Rating by concentration

Ammonium Fluoride: Rating by concentrationHDPE: aqueous A, saturated A. LDPE: aqueous A, saturated A. PP: aqueous A, saturated A. PVC Rigid: aqueous –, saturated A. PMP: aqueous –, saturated A. Polycarbonate: aqueous C*, saturated D. PETG: aqueous B*, saturated B*. Acetal (POM): aqueous B*, saturated B*. Nylon (PA): aqueous A, saturated A. PTFE: aqueous A, saturated A. FEP: aqueous A, saturated A. PVDF: aqueous A, saturated A. EPDM: aqueous A, saturated A. Viton (FPM): aqueous B→C, saturated B→C. NBR: aqueous A, saturated A. SS 316: aqueous A→C, saturated A*. SS 304: aqueous A→C, saturated A*. Aluminium: aqueous D*, saturated D*.aqueoussaturatedTHERMOPLASTICSHDPEHDPE, aqueous: A at 20 °C, A at 50 °CAHDPE, saturated: A at 20 °C, A at 50 °CALDPELDPE, aqueous: A at 20 °C, A at 50 °CALDPE, saturated: A at 20 °C, A at 50 °CAPPPP, aqueous: A at 20 °C, A at 50 °CAPP, saturated: A at 20 °C, A at 50 °CAPVC RigidPVC Rigid, aqueous: no data–PVC Rigid, saturated: A at 20 °CAPMPPMP, aqueous: no data–PMP, saturated: A at 20 °CAPolycarbonatePolycarbonate, aqueous: C at 20 °C (estimate)C*Polycarbonate, saturated: D at 20 °C, D at 50 °CDPETGPETG, aqueous: B at 20 °C (estimate)B*PETG, saturated: B at 20 °C (estimate)B*Acetal (POM)Acetal (POM), aqueous: B at 20 °C (estimate)B*Acetal (POM), saturated: B at 20 °C (estimate)B*Nylon (PA)Nylon (PA), aqueous: A at 20 °CANylon (PA), saturated: A at 20 °CAFLUOROPOLYMERSPTFEPTFE, aqueous: A at 20 °C, A at 50 °CAPTFE, saturated: A at 20 °C, A at 50 °CAFEPFEP, aqueous: A at 20 °C, A at 50 °CAFEP, saturated: A at 20 °C, A at 50 °CAPVDFPVDF, aqueous: A at 20 °C, A at 50 °CAPVDF, saturated: A at 20 °C, A at 50 °CAELASTOMERSEPDMEPDM, aqueous: A at 20 °CAEPDM, saturated: A at 20 °CAViton (FPM)Viton (FPM), aqueous: B at 20 °C, C at 50 °CB→CViton (FPM), saturated: B at 20 °C, C at 50 °CB→CNBRNBR, aqueous: A at 20 °C, A at 50 °CANBR, saturated: A at 20 °C, A at 50 °CAMETALSSS 316SS 316, aqueous: A at 20 °C, C at 50 °CA→CSS 316, saturated: A at 20 °C (estimate)A*SS 304SS 304, aqueous: A at 20 °C, C at 50 °CA→CSS 304, saturated: A at 20 °C (estimate)A*AluminiumAluminium, aqueous: D at 20 °C (estimate)D*Aluminium, saturated: D at 20 °C (estimate)D*
A very good resistanceB good resistanceC limited resistanceD not resistantno data
Each cell shows the rating at 20 °C. Where the rating at 50 °C differs, it follows the arrow. * marks an estimate in the source.
Show as a table
Materialaqueoussaturated
Thermoplastics
HDPEAA
LDPEAA
PPAA
PVC Rigid–A
PVC Flexible––
PMP–A
Polystyrene––
SAN––
PolycarbonateC*D
PETGB*B*
Acetal (POM)B*B*
Nylon (PA)AA
Polysulfone––
Fluoropolymers
PTFEAA
FEPAA
PVDFAA
ECTFE/ETFE––
Elastomers
EPDMAA
Viton (FPM)BB
NBRAA
Silicone––
Metals
SS 316AA*
SS 304AA*
AluminiumD*D*

* estimated rating, given in the source without a temperature

Resistance table: Ammonium Fluoride, aqueous

Material20 °C50 °CRemark
Thermoplastics
HDPEAA
LDPEAA
PPAA
PolycarbonateC*–
PETGB*–
Acetal (POM)B*–
Nylon (PA)A–
Fluoropolymers
PTFEAA
FEPAA
PVDFAA
Elastomers
EPDMA–
Viton (FPM)BC
NBRAA
Metals
SS 316AC
SS 304AC
AluminiumD*–

* estimated rating, given in the source without a temperature

Not rated in the source, so not in the table: PVC Rigid, PVC Flexible, PMP, Polystyrene, SAN, Polysulfone, ECTFE/ETFE, Silicone

Resistance table: Ammonium Fluoride, saturated

Material20 °C50 °CRemark
Thermoplastics
HDPEAA
LDPEAA
PPAA
PVC RigidA–
PMPA–
PolycarbonateDD
PETGB*–
Acetal (POM)B*–
Nylon (PA)A–
Fluoropolymers
PTFEAA
FEPAA
PVDFAA
Elastomers
EPDMA–
Viton (FPM)BC
NBRAA
Metals
SS 316A*–
SS 304A*–
AluminiumD*–

* estimated rating, given in the source without a temperature

Not rated in the source, so not in the table: PVC Flexible, Polystyrene, SAN, Polysulfone, ECTFE/ETFE, Silicone

Rating scale

A rating marked * is an estimate in the source, not a test result. An estimate is given as one value without a temperature.

About this data

The ratings come from the chemical resistance list published by Bürkle GmbH, which compiled them from raw-material manufacturers’ data. They describe laboratory tests on the raw material at 20 °C and 50 °C.

A finished part also sees pressure, mechanical stress, welds and mixtures that a laboratory test does not. Treat the rating as a first filter and test under your own conditions before relying on it.

Chemicals with a similar resistance profile

Same 20 °C rating on the share of materials shown.