< Engineering Plastics >

 PBI( Polybenzimidazole)

Characteristics：

• Continuous service temperature of 345°C
• Low coefficient of thermal expansion
• Electrical insulation properties
• Excellent sliding characteristics
• Plasma resistant
• Solvent resistant
• Low flammability

PBI (SCM7000)Pure raw material, often used on the Panel process vacuum equipment, insulation.

 

PBI (SCM7000HP)High purity, Low outgasing, commonly used in semiconductor devices.

 

PBI ESD (SCM7500)PBI of antistatic material, TYPE A resistance 10^4Ω ~10^8Ω; TYPE B resistance 10^5Ω ~10^6Ω.

 

PBI-added (SCM7600)Provide added glass fiber, carbon fiber reinforced, lubricating and reducing friction to improve wear resistance performance added.

PLAVIS PI (Polyimide) 

Characteristics：
 

• Continuous service temperature of 300°C
• Heat deflection temperature of 360°C
• Good wear-resistant
• Excellent creep resistance
• Low Out-gassing
• Resist UV & EUV
• Clean properties

PEEK (Polyetheretherketone) 

• Characteristics：

1. Commonly used temperature 240 ° c ~260 ° c.2. Resistance to fatigue.3. Of low precipitation.4. High wear resistance (PEEK-HPV, and PEEK-CA30, and PEEK-PVX, CK4600).5. Low flammability.6. Radiation resistance.
 PEEKPEEK provides high rigidity and impact resistance, suitable for use in the medical, pharmaceutical and food processing industries.
 PEEK (HPV/PVX/CK4600) (adding carbon fiber, graphite, PTFE)Add carbon fiber, graphite and PTFE which has superior abrasion resistance and high PV values. Very suitable for use in sliding parts group.
 PEEK-GF30 (glass fiber)Added 30 of the glass fiber, has a high hardness and high creep resistance, also had higher thermal stability.
 PEEK-CF30 (added carbon fiber)Add 30% carbon fiber makes it higher to PEEK-GF30 of hardness, mechanical strength and creep resistance.

PAI (Polyamideimide)

Characteristics：
 

1. Continuous service temperature of 250°C
2. Excellent dimensional stability, good resistance to creep
3. Excellent wear and abrasion properties
4. Resist UV & EUV
5. Resist radiation
6. Thermal oxidative resistance

PPS (Polyphenylene Sulfide)

Characteristics： 

1. Continuous service temperature of 250°C, short term use to 260℃
2. Good resistance to creep.
3. Excellent chemical resistance
4. Excellent dimensional stability
5. Dielectric properties
6. Thermal oxidative resistance
7. Resist radiation (r ray and X ray)

ULTEM PEI (Polyetherimide)

Characteristics：
 

1. Continuous service temperature( PPSU – 190°C, PEI – 170℃, PSU – 150℃)
2. Good resistance to creep.
3. Unaffected by continuous exposure to hot water or steam
4. Reusable medical devices,
5. Dielectric properties
6. Resist radiation

PTFE(Polyterafluorethylene)

Characteristics：
 

1. Continuous service temperature of 260°C
2. Excellent chemical resistance and unaffected
3. Excellent wear and abrasion properties
4. Low friction properties
5. Excellent dimensional stability
6. Dielectric properties
7. Resist UV & EUV
8. Thermal oxidative resistance

PVDF (Poly vinylidiene fluoride)

Characteristics：
 

1. Continuous service temperature of 150°C
2. Good resistance to creep.
3. Excellent chemical resistance
4. Low Out- gassing
5. Wear characteristics and maintains low frictional properties.
6. Resist UV & Gamma radiation
7. Low water absorption
8. Thermal oxidative resistance
9. Resist Radiation

UPE (UHMW-PE)(Ultra High Molecular Weight Polyethylene)

Characteristics：
 

1. At low temperatures is still good impact strength and light
2. Dielectric properties
3. Excellent chemical resistance
4. Low frictional properties.
5. Serve FDA regulated applications
6. Continuous service temperature of 80°C

(中文)学名 (英文)学名	聚酰 亚胺	聚苯并 咪唑	聚醚 醚铜	聚酰胺 酰亚胺	聚伸苯 基硫	聚醚亚 酰胺	聚四氟 化乙烯	聚二氟 化乙烯
Thermal Properties	PI	PBI	PEEK	PAI	PPS	PEI	PTFE	PVDF
Service tmperature ℃ long term	300	310	260	260	230	170	260	150
Maximum service tmperature short term	480	500	300	270	260	200	260	150
Melting point	–	–	343	–	280	–	327	172
Glass transition temperature	–	427	143	275	90	217	-20	-18
Heat distortion temperature after	360	410	150	278	112	180	55	95
Thermal conductivity	0.35	0.41	0.25	0.26	0.25	0.22	0.25	0.11
Specific heat	1.13	–	0.31	0.24	–	–	1	1.2
Coefficient of Linear Thermal Expansion	5.4	2.3	5.0	3.1	5.0	5.0	12.0	13.0
Other Properties	PI	PBI	PEEK	PAI	PPS	PEI	PTFE	PVDF
Water Absorption Immersion ,24 Hours	0.23	0.40	0.10	0.33	0.01	0.17	0.03	<0.04
Water Absorption saturation	1.30	5.0	0.50	4.5	0.03	1.25	2	<0.05
Hardness	M100	M125	M105	M119	M114	M114	D58	D77
Flammability	V-O	V-O	V-O	V-O	V-O	V-O	V-O	V-O
Mechanical Properties	PI	PBI	PEEK	PAI	PPS	PEI	PTFE	PVDF
Density	1.43	1.3	1.38	1.42	1.35	1.27	2.18	1.78
Tensile Strength	93	138	97	186	79	105	28	54
Flexural Strength , Yield	110	221	191	235	128	152	6	74
Compressive Strength , Yield	133	345	118	216	95	151	7	80
TensileModulus	3275	6500	3602	4137	3312	2967	460	2415
Flexural Modulus	3100	5900	3657	4906	3300	3312	497	2139
Compressive Modulus	2415	6210	3795	–	3002	3312	–	2677
Tensile Elongation %	7.5	3	25	15	23	60	400	35
Coefficient of friction	0.24	0.24	0.34	0.35	0.24	0.17	0.1	0.24

 

(中文)学名 (英文)学名	聚酰胺	聚缩醛	聚丙烯	高分子 聚乙烯	聚乙烯
Thermal Properties	Nylon	POM	PP	UPE	PE
Service tmperature ℃ long term	100	90	90	82	82
Maximum service tmperature short term	160	140	93	93	88
Melting point	220	165	165	135	135
Glass transition temperature	60	-60	-18	–	–
Heat distortion temperature after	75	110	54	42	44
Thermal conductivity	0.23	0.23	0.12	0.41	0.48
Specific heat	1.7	1.5	1.7	1.84	1.84
Coefficient of Linear Thermal Expansion	8.0	10.0	17	20	20
Other Properties	Nylon	POM	PP	UPE	PE
Water Absorption Immersion ,24 Hours	0.3	0.2	<0.1	<0.01	<0.01
Water Absorption saturation	7.0	0.5	0.03	0.2	0.2
Hardness	D85	D85	D80	D68	D67
Flammability	HB	HB	HB	HB	HB
Mechanical Properties	Nylon	POM	PP	UPE	PE
Density	1.13	1.41	0.92	0.93	0.95
Tensile Strength	83	61	36	40	31
Flexural Strength , Yield	110	76	50	>50	>50
Compressive Strength , Yield	103	31	40	17	–
TensileModulus	2415	2758	1656	828	1553
Flexural Modulus	3448	2484	1466	759