CPVC
E1025964
CPVC (chlorinated polyvinyl chloride) is a thermoplastic material commonly used for hot and cold water piping systems due to its high temperature and corrosion resistance.
All labels observed (1)
| Label | Occurrences |
|---|---|
| CPVC canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13185343 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CPVC Context triple: [TempRite, abbreviation, CPVC]
-
A.
PVC
PVC is the IATA airport code for Provincetown Municipal Airport, a small regional airport serving Provincetown, Massachusetts.
-
B.
KPVC
KPVC is the ICAO airport code for Provincetown Municipal Airport, a public airport serving Provincetown, Massachusetts.
-
C.
VCP
VCP is the IATA airport code for Campinas-Viracopos International Airport, a major air cargo and passenger hub in São Paulo state, Brazil.
-
D.
PPR
PPR was a Dutch progressive political party known for its left-wing, green, and Christian-radical positions, active mainly in the 1970s and 1980s.
-
E.
PPR
PPR was the communist political party that led Poland in the final years of World War II and laid the foundations for the postwar socialist state.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: CPVC Target entity description: CPVC (chlorinated polyvinyl chloride) is a thermoplastic material commonly used for hot and cold water piping systems due to its high temperature and corrosion resistance.
-
A.
PVC
PVC is the IATA airport code for Provincetown Municipal Airport, a small regional airport serving Provincetown, Massachusetts.
-
B.
KPVC
KPVC is the ICAO airport code for Provincetown Municipal Airport, a public airport serving Provincetown, Massachusetts.
-
C.
VCP
VCP is the IATA airport code for Campinas-Viracopos International Airport, a major air cargo and passenger hub in São Paulo state, Brazil.
-
D.
PPR
PPR was a Dutch progressive political party known for its left-wing, green, and Christian-radical positions, active mainly in the 1970s and 1980s.
-
E.
PPR
PPR was the communist political party that led Poland in the final years of World War II and laid the foundations for the postwar socialist state.
- F. None of above. chosen
Statements (61)
| Predicate | Object |
|---|---|
| instanceOf |
engineering plastic
ⓘ
thermoplastic material ⓘ |
| abbreviationOf | chlorinated polyvinyl chloride ⓘ |
| comparedTo | PVC ⓘ |
| compatibleWith | potable water ⓘ |
| derivedFrom | polyvinyl chloride ⓘ |
| fullName | chlorinated polyvinyl chloride ⓘ |
| hasAdvantageOverPVC |
higher temperature resistance
ⓘ
improved chemical resistance ⓘ |
| hasChemicalModification | chlorination ⓘ |
| hasDisadvantageComparedToPVC |
higher material cost
ⓘ
more brittle at low temperatures ⓘ |
| hasProperty |
chemical resistance
ⓘ
corrosion resistance ⓘ good dimensional stability ⓘ good hydrostatic pressure resistance ⓘ good impact resistance ⓘ good mechanical strength ⓘ high temperature resistance ⓘ low electrical conductivity ⓘ low flame spread ⓘ low friction loss ⓘ low smoke generation ⓘ low thermal conductivity ⓘ resistance to galvanic corrosion ⓘ resistance to microbiologically influenced corrosion ⓘ resistance to pitting ⓘ resistance to scaling ⓘ smooth internal surface ⓘ |
| hasTypicalChlorineContent | approximately 63–69 percent by mass ⓘ |
| hasTypicalServiceTemperatureLimit |
up to about 200 °F
ⓘ
up to about 90 °C ⓘ |
| joinedBy |
mechanical couplings
ⓘ
solvent cementing ⓘ threaded connections ⓘ |
| marketedBy | multiple global chemical and piping manufacturers ⓘ |
| notCompatibleWith |
certain organic solvents
ⓘ
strong polar organic liquids ⓘ |
| processingMethod |
compression molding
ⓘ
extrusion ⓘ injection molding ⓘ thermoforming ⓘ |
| regulatedBy |
ASTM standards for CPVC piping
ⓘ
NSF potable water standards ⓘ |
| requires | support spacing appropriate for plastic piping ⓘ |
| thermalExpansionCoefficient | higher than metal piping ⓘ |
| usedFor |
HVAC piping
ⓘ
chemical process piping ⓘ cold water piping systems ⓘ commercial plumbing ⓘ corrosive fluid transport ⓘ ducting for corrosive gases ⓘ fire sprinkler systems ⓘ hot and cold water piping systems ⓘ hot water piping systems ⓘ industrial fluid handling ⓘ industrial tank linings ⓘ profiles and sheets ⓘ residential plumbing ⓘ valves and fittings ⓘ water distribution systems ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: CPVC Description of subject: CPVC (chlorinated polyvinyl chloride) is a thermoplastic material commonly used for hot and cold water piping systems due to its high temperature and corrosion resistance.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.