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Calcium Sulfide 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 concentration not stated, 20 °C.

Rated A, very good resistance
PTFE, PP, PVDF, PVC Rigid, EPDM, Viton (FPM), SS 316, SS 304, Aluminium, FEP, Acetal (POM) (11)
Rated B, good resistance
Nylon (PA), Polycarbonate (2)
Rated C, limited resistance
NBR, LDPE (2)
Rated D, not resistant
none (0)
No data in the source
HDPE, ECTFE/ETFE, Silicone, PVC Flexible, Polystyrene, Polysulfone, PETG, PMP, SAN
Rating changes with concentration (20 °C)
NBR: A (aqueous), C (concentration not stated)

Based on the row for concentration not stated, 20 °C.

Rating profile by material family

Calcium Sulfide: Rating profile by material familyThermoplastics: 3 A, 2 B, 1 C, 7 no data. Fluoropolymers: 3 A, 1 no data. Elastomers: 2 A, 1 C, 1 no data. Metals: 3 A.Thermoplastics (13)Thermoplastics: 3 × A, very good resistance (PP, PVC Rigid, Acetal (POM))A 3Thermoplastics: 2 × B, good resistance (Polycarbonate, Nylon (PA))B 2Thermoplastics: 1 × C, limited resistance (LDPE)Thermoplastics: 7 × no data (HDPE, PVC Flexible, PMP, Polystyrene, SAN, PETG, Polysulfone)– 7Fluoropolymers (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, Viton (FPM))A 2Elastomers: 1 × C, limited resistance (NBR)C 1Elastomers: 1 × no data (Silicone)– 1Metals (3)Metals: 3 × A, very good resistance (SS 316, SS 304, Aluminium)A 3
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

No material with a rating at both temperatures changes grade between 20 °C and 50 °C.

Substance

CAS number
20548-54-3
Formula
CaS
Hazard symbols in the source
C (corrosive) (pre-GHS European symbols; check the current safety data sheet)
Concentrations listed
aqueous; concentration not stated
Name in the source (German)
Calciumsulfid

Rating by concentration

Calcium Sulfide: Rating by concentrationLDPE: aqueous –, concentration not stated C. PP: aqueous A, concentration not stated A. PVC Rigid: aqueous –, concentration not stated A. Polycarbonate: aqueous B*, concentration not stated B*. Acetal (POM): aqueous A*, concentration not stated A*. Nylon (PA): aqueous B*, concentration not stated B*. PTFE: aqueous A, concentration not stated A. FEP: aqueous A, concentration not stated A. PVDF: aqueous A, concentration not stated A. EPDM: aqueous A, concentration not stated A. Viton (FPM): aqueous A, concentration not stated A. NBR: aqueous A, concentration not stated C. SS 316: aqueous A*, concentration not stated A*. SS 304: aqueous A*, concentration not stated A*. Aluminium: aqueous A, concentration not stated A.aqueousconcentrationnot statedTHERMOPLASTICSLDPELDPE, aqueous: no data–LDPE, concentration not stated: C at 20 °C, C at 50 °CCPPPP, aqueous: A at 20 °C, A at 50 °CAPP, concentration not stated: A at 20 °C, A at 50 °CAPVC RigidPVC Rigid, aqueous: no data–PVC Rigid, concentration not stated: A at 20 °CAPolycarbonatePolycarbonate, aqueous: B at 20 °C (estimate)B*Polycarbonate, concentration not stated: B at 20 °C (estimate)B*Acetal (POM)Acetal (POM), aqueous: A at 20 °C (estimate)A*Acetal (POM), concentration not stated: A at 20 °C (estimate)A*Nylon (PA)Nylon (PA), aqueous: B at 20 °C (estimate)B*Nylon (PA), concentration not stated: B at 20 °C (estimate)B*FLUOROPOLYMERSPTFEPTFE, aqueous: A at 20 °C, A at 50 °CAPTFE, concentration not stated: A at 20 °C, A at 50 °CAFEPFEP, aqueous: A at 20 °C, A at 50 °CAFEP, concentration not stated: A at 20 °C, A at 50 °CAPVDFPVDF, aqueous: A at 20 °C, A at 50 °CAPVDF, concentration not stated: A at 20 °C, A at 50 °CAELASTOMERSEPDMEPDM, aqueous: A at 20 °CAEPDM, concentration not stated: A at 20 °CAViton (FPM)Viton (FPM), aqueous: A at 20 °CAViton (FPM), concentration not stated: A at 20 °CANBRNBR, aqueous: A at 20 °CANBR, concentration not stated: C at 20 °C, C at 50 °CCMETALSSS 316SS 316, aqueous: A at 20 °C (estimate)A*SS 316, concentration not stated: A at 20 °C (estimate)A*SS 304SS 304, aqueous: A at 20 °C (estimate)A*SS 304, concentration not stated: A at 20 °C (estimate)A*AluminiumAluminium, aqueous: A at 20 °CAAluminium, concentration not stated: A at 20 °CA
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
Materialaqueousconcentration not stated
Thermoplastics
HDPE––
LDPE–C
PPAA
PVC Rigid–A
PVC Flexible––
PMP––
Polystyrene––
SAN––
PolycarbonateB*B*
PETG––
Acetal (POM)A*A*
Nylon (PA)B*B*
Polysulfone––
Fluoropolymers
PTFEAA
FEPAA
PVDFAA
ECTFE/ETFE––
Elastomers
EPDMAA
Viton (FPM)AA
NBRAC
Silicone––
Metals
SS 316A*A*
SS 304A*A*
AluminiumAA

* estimated rating, given in the source without a temperature

Resistance table: Calcium Sulfide, aqueous

Material20 °C50 °CRemark
Thermoplastics
PPAA
PolycarbonateB*–
Acetal (POM)A*–
Nylon (PA)B*–
Fluoropolymers
PTFEAA
FEPAA
PVDFAA
Elastomers
EPDMA–
Viton (FPM)A–
NBRA–
Metals
SS 316A*–
SS 304A*–
AluminiumA–

* estimated rating, given in the source without a temperature

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

Resistance table: Calcium Sulfide, concentration not stated

Material20 °C50 °CRemark
Thermoplastics
LDPECC
PPAA
PVC RigidA–
PolycarbonateB*–
Acetal (POM)A*–
Nylon (PA)B*–
Fluoropolymers
PTFEAA
FEPAA
PVDFAA
Elastomers
EPDMA–
Viton (FPM)A–
NBRCC
Metals
SS 316A*–
SS 304A*–
AluminiumA–

* estimated rating, given in the source without a temperature

Not rated in the source, so not in the table: HDPE, PVC Flexible, PMP, Polystyrene, SAN, PETG, 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.

Frequently Asked Questions

Which materials resist Calcium Sulfide at high concentrations?

The materials with an A rating (resistant) for Calcium Sulfide at 20 °C are: PTFE, PP, PVDF, PVC Rigid, EPDM, Viton (FPM), SS 316, SS 304. These can generally be used in direct contact.

Does temperature affect chemical resistance to Calcium Sulfide?

For Calcium Sulfide, all tested materials maintain the same rating at both 20 °C and 50 °C.

Is PTFE safe for Calcium Sulfide?

PTFE is rated A for Calcium Sulfide at 20 °C. A rating of A means resistant, B means limited resistance, C means partly resistant, and D means not resistant.

Does concentration affect chemical resistance to Calcium Sulfide?

Yes. Calcium Sulfide is tested at 2 concentrations (aqueous, concentration not stated). Some materials change their rating depending on the concentration.

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.