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PA12G - cast polyamide 12

Other material names PA12G: Cast Nylon Polyamide 12

Material group:

Polyamide

PA12G natural is a semi crystalline polyamide 12 with very high toughness and good chemical resistance, with reduced sensitivity to stress cracking. The PA12G properties include the lowest water absorption characteristics of all polyamides, which means any parts made from PA12G should remain stable in humid environments. In addition to this, PA12G also has good impact resistance, good slide friction properties, and good wear resistance. Compared to other polyamides, PA12G has one of the lowest melting points available at 180°C.

Typical applications:

aircraft and aerospace technology
electronics
food technology
mechanical engineering
automotive industry

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Features:

high toughness
good wear properties
resistant to many oils, greases and fuels
high dimensional stability
good slide and wear properties
low density
low moisture absorption
good weldable and bondable

Material availability:

Production only on request

Group of materials Polyamide:

Comparison of material properties

Comparison of material properties from the group Polyamide

	PA6G+oil	PA6G+MoS2	PA6G	PA66+GF30	PA66	PA6	PA4.6	PA12G
Specific weight	1.14 g/cm³	1.16 g/cm³	1.15 g/cm³	1.29 g/cm³	1.14 g/cm³	1.14 g/cm³	1.18 g/cm³	1.03 g/cm³
Yield strength	80 N/mm²	78 N/mm²	85 N/mm²	160 N/mm²	85 N/mm²	76 N/mm²	100 N/mm²	60 N/mm²
Tensile strength
Allowable mean pressure deformation 1%	22.00 N/mm²	25.00 N/mm²	26.00 N/mm²	28.00 N/mm²	25.00 N/mm²	24.00 N/mm²	23.00 N/mm²
Allowable mean pressure deformation 2%	43.00 N/mm²	49.00 N/mm²	51.00 N/mm²	55.00 N/mm²	49.00 N/mm²	46.00 N/mm²	45.00 N/mm²
Allowable mean pressure deformation 5%	79.00 N/mm²	88.00 N/mm²	92.00 N/mm²	90.00 N/mm²	90.00 N/mm²	80.00 N/mm²	94.00 N/mm²
p.v dry limit	0.23 MPa.m/s		0.13 MPa.m/s		0.13 MPa.m/s	0.11 MPa.m/s		0.10 MPa.m/s
Flexural strength	140 N/mm²		140 N/mm²	250 N/mm²	135 N/mm²	130 N/mm²	150 N/mm²	90 N/mm²
Tensibility	50 %	25 %	40 %	5 %	50 %	50 %	25 %	55 %
Flexural modulus	2 800 N/mm²		3 200 N/mm²		2 900 N/mm²	2 500 N/mm²	3 200 N/mm²	1 500 N/mm²
Tensile modulus	2 600 N/mm²	3 300 N/mm²	3 500 N/mm²	11 000 N/mm²	3 000 N/mm²	3 200 N/mm²	3 300 N/mm²	2 000 N/mm²
Impact toughness	bez zlomu	bez zlomu	bez zlomu	50	bez zlomu	bez zlomu	bez zlomu	bez zlomu
Notched toughness	>5 kJ/m²	>3 kJ/m²	>4 kJ/m²	>6 kJ/m²	>4 kJ/m²	>5 kJ/m²	>8 kJ/m²	>15 kJ/m²
Ball hardness	140 N/mm²	160 N/mm²	165 N/mm²	240 N/mm²	170 N/mm²	150 N/mm²	165 N/mm²	100 N/mm²
Friction coefficient	0.18	0.32	0.35	0.45	0.35	0.38	0.35	0.32
Sliding wear	0.05 um/km	0.10 um/km	0.10 um/km		0.10 um/km	0.23 um/km		0.80 um/km
Abrasive wear			150		160			260
Antistatic material	No	No	No	No	No	No	No	No
Permittivity	3.70	3.60	3.60	3.90	3.80	3.90	3.80	3.50
Electrical strength	22 kV/mm	24 kV/mm	25 kV/mm	30 kV/mm	27 kV/mm	25 kV/mm	25 kV/mm	20 kV/mm
Specific internal resistance	10^(14) Ω	10^(13) Ω	10^(13) Ω	10^(14) Ω	10^(12) Ω	10^(12) Ω	10^(14) Ω	10^(14) Ω
Specific surface resistance	10^(13) Ω.cm	10^(12) Ω.cm	10^(12) Ω.cm	10^(13) Ω.cm	10^(12) Ω.cm	10^(12) Ω.cm	10^(13) Ω.cm	10^(13) Ω.cm
Melting point	220 °C	220 °C	220 °C	255 °C	265 °C	220 °C	295 °C	179 °C
Thermal expansion	8 10^(-5)/K	8 10^(-5)/K	8 10^(-5)/K	3 10^(-5)/K	10 10^(-5)/K	10 10^(-5)/K	9 10^(-5)/K	10 10^(-5)/K
Thermal conductivity	0.23 W/(K.m)	0.30 W/(K.m)	0.29 W/(K.m)	0.30 W/(K.m)	0.28 W/(K.m)	0.28 W/(K.m)	0.30 W/(K.m)	0.23 W/(K.m)
Permanent use temperature	-40-105	-30-105	-40-105	-30-120	-30-100	-30-95	-40-155	-60-80
Transient temperature of use	-40-160	-40-170	-40-170	-30-180	-30-150	-40-140	-40-200	-60-140
Friction coefficient	0.18	0.32	0.35	0.45	0.35	0.38	0.35	0.32
Absorbability	1,8 %	2,4 %	2.2 %	1,7 %	2,5 %	2,6 %	2,8 %	0,9 %
Water absorption	5,5 %	6,7 %	6.5 %	5,5 %	9 %	10 %	9,5 %	1,4 %
Resistance - oils	resistant	resistant	resistant	resistant	resistant	resistant	resistant	resistant
Acid resistance	conditionally resistant	conditionally resistant	conditionally resistant	conditionally resistant	conditionally resistant	conditionally resistant	conditionally resistant	conditionally resistant
Durability - alcali	resistant	resistant	resistant	resistant	conditionally resistant	conditionally resistant	conditionally resistant	resistant
Food contact	No	No	No	No	No	No	No	No
Special features	samomazné vlastnosti					PA6 can absorb up to 7% (by weight) water under high humidity or submerged in water. This can result in dimensional changes up to 2% and a corresponding reduction of physical properties. Proper design techniques can frequently compensate for this factor.	Highest heat resistance of PA materials

Material properties table

Specific weight	1.03 g/cm³
Yield strength	60 N/mm²
p.v dry limit	0.10 MPa.m/s
Flexural strength	90 N/mm²
Tensibility	55 %
Flexural modulus	1 500 N/mm²
Tensile modulus	2 000 N/mm²
Impact toughness	bez zlomu
Notched toughness	>15 kJ/m²
Ball hardness	100 N/mm²
Friction coefficient	0.32
Sliding wear	0.80 um/km
Abrasive wear	260
Antistatic material	No
Permittivity	3.50
Electrical strength	20 kV/mm
Specific internal resistance	10^(14) Ω
Specific surface resistance	10^(13) Ω.cm
Melting point	179 °C
Thermal expansion	10 10^(-5)/K
Thermal conductivity	0.23 W/(K.m)
Permanent use temperature	-60 ; 80 °C
Transient temperature of use	-60 ; 140 °C
Absorbability	0,9 %
Water absorption	1,4 %
Resistance - oils	resistant
Acid resistance	conditionally resistant
Durability - alcali	resistant
Food contact	No

Some trade names of the material

Tecamid® 12

Calaumid® 1200

Murdopol®

Sustamid® 12

Zellamid® 1200 G

Trade names unprotected reg. mark:

Cast Nylon Polyamide 12

Engineering plastics and their products can be ordered from TechPlasty. Materials in the same group from different manufacturers are not always directly interchangeable because they may not all have the same technical parameters. Our technical consultants, who have many years of experience in the field of engineering plastics, will be pleased to advise you on the differences in the individual materials, especially in the boundary conditions. Detailed technical data of individual manufacturers' materials can be found in their data sheets.

Some materials trade names are protected trademarks..
Tecamid® 12 is a registered trademark of Ensinger; Calaumid® 1200 is a registered trademark of Licharz; Murdopol® is a registered trademark of Murtfeldt; Sustamid® 12 is a registered trademark of Röchling; Zellamid® 1200 G is a registered trademark of Zell-Metall;

All other trademarks or registered trademarks are the property of their respective owners.

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PA12G - cast polyamide 12

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