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Battery Acid Chemical Resistance

Resistance ratings for 24 plastics, elastomers and metals at 20 °C and 50 °C.

At a glance

Based on the row for 38 %, 20 °C.

Rated A, very good resistance
PTFE, HDPE, PP, PVDF, PVC Rigid, EPDM, Viton (FPM), LDPE, FEP, ECTFE/ETFE, Polycarbonate, Polystyrene, Polysulfone, PMP (14)
Rated B, good resistance
SS 316, SS 304 (2)
Rated C, limited resistance
Aluminium, PVC Flexible (2)
Rated D, not resistant
NBR, Nylon (PA), Acetal (POM), PETG (4)
No data in the source
Silicone, SAN
Rated lower at 50 °C than at 20 °C
PVC Rigid (A → C), SS 316 (B → C), SS 304 (B → C), Aluminium (C → D), PVC Flexible (C → D)

Based on the row for 38 %, 20 °C.

Rating profile by material family

Battery Acid: Rating profile by material familyThermoplastics: 8 A, 1 C, 3 D, 1 no data. Fluoropolymers: 4 A. Elastomers: 2 A, 1 D, 1 no data. Metals: 2 B, 1 C.Thermoplastics (13)Thermoplastics: 8 × A, very good resistance (HDPE, LDPE, PP, PVC Rigid, PMP, Polystyrene, Polycarbonate, Polysulfone)A 8Thermoplastics: 1 × C, limited resistance (PVC Flexible)Thermoplastics: 3 × D, not resistant (PETG, Acetal (POM), Nylon (PA))D 3Thermoplastics: 1 × no data (SAN)Fluoropolymers (4)Fluoropolymers: 4 × A, very good resistance (PTFE, FEP, PVDF, ECTFE/ETFE)A 4Elastomers (4)Elastomers: 2 × A, very good resistance (EPDM, Viton (FPM))A 2Elastomers: 1 × D, not resistant (NBR)D 1Elastomers: 1 × no data (Silicone)– 1Metals (3)Metals: 2 × B, good resistance (SS 316, SS 304)B 2Metals: 1 × C, limited resistance (Aluminium)C 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

Battery Acid: Effect of temperature, 20 °C to 50 °CPVC Rigid A → C; PVC Flexible C → D; SS 316 B → C; SS 304 B → C; Aluminium C → D.ABCDPVC Rigid: A at 20 °C, C at 50 °CPVC RigidPVC Flexible: C at 20 °C, D at 50 °CPVC FlexibleSS 316: B at 20 °C, C at 50 °CSS 316SS 304: B at 20 °C, C at 50 °CSS 304Aluminium: C at 20 °C, D at 50 °CAluminium
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
7664-93-9
Formula
H2SO4
Hazard symbols in the source
C (corrosive) (pre-GHS European symbols; check the current safety data sheet)
Concentrations listed
38 %
Name in the source (German)
Akkusäure

Resistance table: Battery Acid, 38 %

Remark: "Batteriesäure"

Material20 °C50 °CRemark
Thermoplastics
HDPEAA
LDPEAA
PPAA
PVC RigidAC
PVC FlexibleCD
PMPAA
PolystyreneAA
PolycarbonateAA
PETGD*–
Acetal (POM)DD
Nylon (PA)DD
PolysulfoneAA
Fluoropolymers
PTFEAA
FEPAA
PVDFAA
ECTFE/ETFEA*–
Elastomers
EPDMA–
Viton (FPM)AA
NBRDD
Metals
SS 316BC
SS 304BC
AluminiumCD

* estimated rating, given in the source without a temperature

Not rated in the source, so not in the table: SAN, 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.

Hydrogen Chloride Gas 88 %Hydrogen Peroxide 85 %Phosphoric Acid 81 %Oxalic Acid 76 %Potassium Permanganate 75 %Potassium Bromate 73 %