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PVDF Machining

A Guide to PVDF CNC Machined Parts: Properties, Applications and Design Considerations

What is PVDF?

PVDF (polyvinylidene fluoride) is a high performance engineering plastic. It is a relatively new fluoropolymer best regarded for its chemical resistance. Although similar to PTFE, the mechanical features such as tensile stress and compressive strength are notably higher. Where PTFE trumps PVDF is in resistance to high temperatures (up to 300°C as opposed to 150°C for PVDF).

Main Attributes of PVDF:

Outstanding chemical resistance to acids and alkali
High density
Mechanical strength and toughness
Very low moisture absorption
Good UV and weather resistance
Flame retardant
Very good weldability
Food compliant
Wide operating temperature range (-50°C to 150°C)
Excellent dimensional stability
Good electrical insulating properties
Low thermal conductivity

Detailed information about PVDF for designers can be found in the tabs below. Please note: this information is provided as a guide only.

PVDF Machining Service - PVDF Milling & Turning

Penta Precision supplies highly accurate PVDF machined parts throughout the UK. Customers turn to us when they have had quality and delivery issues with their existing suppliers and need a reliable precision machining partner.

We communicate well with customers, we take care with the projects placed with us and we are consistent in our service delivery. See our Proven Process page to find out more about our winning formula.

"I have always found Penta to be very professional when dealing with them. I find good communication to be very important which Penta excel at." Ben - Buyer

Penta Precision provides the following PVDF machining services:

CNC milling – prototypes & large batch runs
CNC turning – prototypes & large batch runs
Insert installation
Part marking
Manual milling
Manual turning
Machining design advice
Machining drawing service

Reasons to Choose Penta:

ISO 9001:2015 quality assurance
Consistent high quality machined parts
Reliable delivery dates - our track record speaks volumes
Exceptional customer service and communication
Machining design advice
Extensive experience in our field

We are regularly machining PVDF for customers all over the UK. Our customers depend on our machining expertise as well as our outstanding delivery performance, to machine the highest quality parts. If you'd like to discuss how we can help you with your PVDF machining requirements, here's a list of ways to get in touch with us.

Mechanical Properties	Value	Parameter	Norm	Notes
Modulus of Elasticity (tensile test)	2200 MPa	1mm/min	DIN EN ISO 527-2	For tensile test: specimen type 1b
Tensile Strength	62 MPa	50mm/min	DIN EN ISO 527-2
Tensile Strength at Yield	62 MPa	50mm/min	DIN EN ISO 527-2
Elongation at Yield	8%	50mm/min	DIN EN ISO 527-2
Elongation at Break	17%	50mm/min	DIN EN ISO 527-2
Flexural Strength	77 MPa	2mm/min, 10 N	DIN EN ISO 178	For flexural test: support span 64mm, norm specimen
Modulus of Elasticity (flexural test)	2100 MPa	2mm/min, 10 N	DIN EN ISO 178
Compression Strength	16/28/59 MPa	1% / 2% / 5% 5mm/min, 10 N	EN ISO 604	Specimen 10x10x10mm
Compression Modulus	1900 MPa	5mm/min, 10 N	EN ISO 604	Specimen 10x10x50mm
Impact Strength (Charpy)	150 kJ/m²	max. 7.5J	DIN EN ISO 179-1eU	For Charpy test: support span 64mm, norm specimen
Ball Indentation Hardness	129 MPa		ISO 2039-1	Specimen in 4mm thickness

Mechanical Properties

Value

Parameter

Norm

Notes

Modulus of Elasticity (tensile test)

2200 MPa

1mm/min

DIN EN ISO 527-2

For tensile test: specimen
type 1b

Tensile Strength

62 MPa

50mm/min

DIN EN ISO 527-2

Tensile Strength at Yield

62 MPa

50mm/min

DIN EN ISO 527-2

Elongation at Yield

50mm/min

DIN EN ISO 527-2

Elongation at Break

17%

50mm/min

DIN EN ISO 527-2

Flexural Strength

77 MPa

2mm/min, 10 N

DIN EN ISO 178

For flexural test: support span 64mm, norm specimen

Modulus of Elasticity (flexural test)

2100 MPa

2mm/min, 10 N

DIN EN ISO 178

Compression Strength

16/28/59 MPa

1% / 2% / 5% 5mm/min, 10 N

EN ISO 604

Specimen 10x10x10mm

Compression Modulus

1900 MPa

5mm/min, 10 N

EN ISO 604

Specimen 10x10x50mm

Impact Strength (Charpy)

150 kJ/m²

max. 7.5J

DIN EN ISO 179-1eU

For Charpy test: support span 64mm, norm specimen

Ball Indentation Hardness

129 MPa

ISO 2039-1

Specimen in 4mm thickness

Thermal Properties	Value	Parameter	Norm	Notes
Glass Transition Temperature	-40°C		DIN EN ISO 11357	Found in public sources
Melting Temperature	171°C		DIN EN ISO 11357
Service Temperature	150°C	short term		Found in public sources. Individual testing regarding application conditions is mandatory
Service Temperature	150°C	long term
Thermal Expansion (CLTE)	16 10^-5 K^-1	23-60°C, long	DIN EN ISO 11359-1;2
Thermal Expansion (CLTE)	18 10^-5 K^-1	23-100°C, long	DIN EN ISO 11359-1;2

Thermal Properties

Value

Parameter

Norm

Notes

Glass Transition Temperature

-40°C

DIN EN ISO 11357

Found in public sources

Melting Temperature

171°C

DIN EN ISO 11357

Service Temperature

150°C

short term

Found in public sources. Individual testing regarding application conditions is mandatory

Service Temperature

150°C

long term

Thermal Expansion (CLTE)

16 10^-5 K^-1

23-60°C, long

DIN EN ISO 11359-1;2

Thermal Expansion (CLTE)

18 10^-5 K^-1

23-100°C, long

DIN EN ISO 11359-1;2

Electrical Properties	Value	Norm
Specific Surface Resistance	10¹⁴ Ω	DIN IEC 60093

Electrical Properties

Value

Norm

Specific Surface Resistance

10¹⁴ Ω

DIN IEC 60093

Other Properties	Value	Parameter	Norm	Notes
Water Absorption	<0.01 / <0.01%	24h / 96h (23°C)	DIN EN ISO 62	Ø ca. 50mm, h=13mm
Resistance to hot water/bases	+		-	+ good resistance
Resistance to weathering	+		-
Flammability (UL94)	V0	Corresponding to	DIN IEC 60695-11-10	Corresponding means no listing at UL (yellow card). The information might be taken from resin, stock shape or estimation. Individual testing regarding application conditions is mandatory.
Density	1.78 g/cm³

Other Properties

Value

Parameter

Norm

Notes

Water Absorption

<0.01 / <0.01%

24h / 96h (23°C)

DIN EN ISO 62

Ø ca. 50mm, h=13mm

Resistance to hot water/bases

+ good resistance

Resistance to weathering

Flammability (UL94)

Corresponding to

DIN IEC 60695-11-10

Corresponding means no listing at UL (yellow card). The information might be taken from resin, stock shape or estimation. Individual testing regarding application conditions is mandatory.

Density

1.78 g/cm³

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PVDF Machining

A Guide to PVDF CNC Machined Parts: Properties, Applications and Design Considerations

What is PVDF?

Main Attributes of PVDF:

PVDF Machining Service - PVDF Milling & Turning

Reasons to Choose Penta:

PVDF Components, Applications & Industries

Typical Components & Applications:

Industry Examples:

CNC Machining PVDF - Notes for Designers

PVDF Machinability

Similar or obsolete designation and trade names

PVDF UK Stock Sizes

Examples PVDF Stock Sizes

PVDF Rod

PVDF Plate

PVDF Tube

PVDF Technical Properties

TECAFLON PVDF Properties

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