...<1번> N/㎟=MPa
 
특성 / PROPERTY 기준 / Norm 단위 / Unit PTFE TFM PFA MFA FEP PCTFE ETFE PVDF ECTFE
밀도  Density ISO 12086 g/㎤ 2.14-2.18 2.15-2.18 2.14-2.17 2.12-2.17 2.12-2.17 2.10-2.16 1.70-1.75 1.75-1.78 1.67-1.70
최대 연속 사용 온도
Maximum continuous operating temperature		 - ℃ 260 260 260 230 205 170 150 150 150
최저 연속 사용 온도
Minimum continuous operating temperature		 - ℃ -200 -200 -200 -150 -100 -273 -100 -60 -75
볼 압축 경도 
Ball pressure hardness		 DIN 53 456 N/㎟ 23-28 25-30 25-30 - 23-28 65-70 34-40 62-68 55-65
경도D 버팀 
Shore Hardness D		 DIN 53 505 Sh. D 54-60 56-62 60-65 57-60 55-60 72-80 62-72 72-82 70-80
물 흡수율 
Water absorption		 DIN 53 495 % 0.01 0.005 0.02 0.025 0.03 0.00 0.02 0.03 0.01
동적인 V 강철 마찰계수
Coefficient of friction-v-steel - Dynamic		 - - 0.10 0.15 0.25 0.28 0.35 0.35 0.40 0.45 0.65
깨질 때에 신장율
  Elongation at break (23℃)		 DIN 53 455 % 250-400 450-600 250-350 250-360 250-350 100-250 200-350 20-250 200-300
인장강도
  Tensile strength (23℃)		 DIN 53 455 N/㎟ 25-42 28-40 25-30 28-36 20-25 32-40 36-48 38-50 40-55
인장율 
Tensile modulus (23℃)		 DIN 53 457 N/㎟ 400-800 600-700 600-700 440-480 350-700 1000-2000 500-1200 800-1800 1200-1800
열팽창 율
Coefficient of thermal expansion (20-100℃)		 - 1/K.10-5 12 13 13 12 12 5 13 10 8
열전도성
  Thermal conductivity (23℃)		 DIN 52 612 W/K.m 0.23 0.23 0.22 0.2 0.20 0.19 0.17 0.17 0.15
절연성의 강도
  Dielectric strength		 DIN 53 481 KV/㎜ 50-80 60-100 50-80 30-35 50-80 50-70 60-90 40-80 50-80
 
 
...<2번>
 

= Modified PTFE

 N/㎟=MPa
 
Property Norm Unit VIRGIN PTFE TFM 15% Glass-fiber 25% Glass-fiber 25% Glass-fiber 15% Glass-fiber 5% MoS2 VFG-Green VXI-Blue Maroon 15% Graphite 22% Carbon 3% Graphite
밀도 
Density		 ISO 12086 g/㎤ 2.14-2.18 2.15-2.18 2.18-2.20 2.20-2.24 2.21-2.25 2.22-2.25 2.22-2.26 2.13-2.18 2.06-2.11
경도D 버팀 
Shore Hardness D		 DIN 53 505 Sh. D 52-60 56-62 54-62 56-64 60-65 54-58 62-64 56-64 60-69
인장강도 
Tensile strength (23℃)		 DIN 53 455 N/㎟ 25-42 28-40 17-21 15-19 12-16 14-18 16-20 12-19 11-15
깨질 때에 신장율
  Elongation at break (23℃)		 DIN 53 455 % 250-400 450-600 250-290 220-260 350-450 200-230 240-280 130-240 60-100
인장율 
Tensile modulus (23℃)		 DIN 53 457 N/㎟ 400-800 600-700 820 1000 950 750 1200 720 1250
열팽창 계수
(20-150℃) Coefficient of thermal expansion		 - 1/K. 10-5 12 13 10.5 10.0 10.0 10.2 9.4 10.5 8.5
열팽창 계수
(150-260℃) Coefficient of thermal expansion		 - 1/K. 10-5 16 16 13.6 13.4 13.0 13.5 12.8 13.9 11.6
열전도성 Thermal conductivity (23℃) DIN 52 612 W/K.m 0.23 0.23 0.39 0.46 0.40 0.35 0.39 0.52 0.54
23℃에서 24시간 후의 변형
Deformation after 24h at 23℃ - 15		 ASTM-D621 % 16.00 8.00 13.50 12.50 7.00 12.00 7.50 9.00 6.50
260℃에서 24시간 후의 변형 Deformation after 24h at 260℃ - 4 ASTM-D621 % 7.00 3.00 5.00 4.80 2.50 5.00 2.20 3.60 2.10
1% 변형 때에 압축의 힘
Compr. strength at 1% deformation (23℃)		 DIN 53 454 N/㎟ 4.30 7.00 6.90 8.20 9.00 6.90 12.50 7.30 11.00
PV-limit 3m/min - N.M ㎟.min 2.50 - 20 23 - 25 25 21 32
PV-limit 30m/min - N.M ㎟.min 3.90 - 23 25 - 28 29 26 32
PV-limit 300m/min - N.M ㎟.min 5.50 - 30 31 - 32 32 27 35
정적인 마찰 계수  Coёff. of friction - statical - - 0.14 0.20 0.16 0.18 - 0.15 0.16 0.15 0.14
Wear K. 10-8 - ㎤.min ㎏.m.h 78 - 8.3 7.1 - 8.1 7.7 41 7
 
 
...<3번>
 

= Modified PTFE

 N/㎟=MPa
 
Property Norm Unit 25% Carbon 15% Carbon Fiber 10% Graph. 10% Ekonol 7%P84 7%P84 5% Graphite 20% Bronze 10% Carbon Fiber 5% Graphite 40% Bronze 10% Graph. 60% Bronze 50% Stainless steel
밀도 Density ISO 12086 g/㎤ 2.08-2.12 1.94-2.02 2.04-2.10 2.03-2.09 2.03-2.09 2.56-2.64 3.0-3.1 3.85-3.95 3.42
경도D 버팀 Shore Hardness D DIN 53 505 Sh. D 62-68 63-67 53-66 59-62 56-60 63-66 62-64 63-68 64-68
인장강도 Tensile strength (23℃) DIN 53 455 N/㎟ 13-15 14-20 20-26 23-27 20-26 14-18 10-14 11-15 10-13
깨질 때에 신장율 Elongation at break (23℃) DIN 53 455 % 40-70 140-240 250-320 240-320 220-300 120-180 100-130 110-140 130-170
인장율 Tensile modulus (23℃) DIN 53 457 N/㎟ 1150 1720 750 820 800 1420 - - -
열팽창 계수 (20-150℃) Coefficient of thermal expansion - 1/K. 10-5 9 6 11 10 10 7 9.2 9 8.3
열팽창 계수 (150-260℃) Coefficient of thermal expansion - 1/K. 10-5 12 8 14 13 13 10 12.5 12.3 11.6
열전도성 Thermal conductivity (23℃) DIN 52 612 W/K.m 0.60 0.56 0.32 0.40 0.46 0.72 0.85 0.77 0.63
23℃에서 24시간 후의 변형 Deformation after 24h at 23℃ - 15 ASTM-D621 % 4.00 2.90 12.00 10.00 8.00 3.00 4.20 4.20 3.20
260℃에서 24시간 후의 변형 Deformation after 24h at 260℃ - 4 ASTM-D621 % 1.60 1.40 5.00 4.00 3.60 1.60 3.00 2.80 1.80
1% 변형 때에 압축의 힘 Compr. strength at 1% deformation (23℃) DIN 53 454 N/㎟ 14.00 18.00 6.20 7.50 7.80 15.00 12.50 13.00 15.00
PV-limit 3m/min - N.M ㎟.min - 38.00 18 22 25 35 26 21 18
PV-limit 30m/min - N.M ㎟.min - 38.00 22 28 29 35 28 27 22
PV-limit 300m/min - N.M ㎟.min - 42.00 26 30 32 39 29 28 22
정적인 마찰 계수 Coёff. of friction - statical - - - 0.15 0.18 0.16 0.15 0.15 0.15 0.17 0.19
Wear K. 10-8 - ㎤.min ㎏.m.h - 5.2 32 6.5 6.4 5.5 5.9 6.1 8.8
 
DFC 5000(MATERIAL DATA SHEET)  

PRODUCT DESCRIPTION(제품설명)

DFC 5000 Speciality Formulated Polymers.

· At service temperatures to 255 deg C.
(연속사용온도 255 °C)
· Excellent long term stability
(장시간 사용시에도 높은 안정성)
· High purity with low outgassing in Vacuum
(진공상태 에서도 낮은outgassing성질의
고순도)
· Excellent electrical insulation properties
(훌륭한 전기전열 특성)
· Lower deformation under load.
(하중하에서도 낮은 굴곡성)
· Good chemical resistance
(훌륭한 내화학성)
· Denser polymer structure.
(고밀도 폴리머 구조)



APPLICATIONS

Example applications include
(예로 다음과 같은 용도를 포함)
· Valve seats (밸브 시트)
· Static seals (비점착 씰)
· Sliding parts (슬라이딩 부품)
· Gaskets (가스켓)
· Spring Energised seals (스프링보강 씰)
PHYSICAL PROPERTIES (물리적 성질)

Colour Blue
Specific Gravity 1.90
Hardness 55 - 59 Shore D
Tensile strength 24.8 MPa
Elongation 380 %
Deformation under load (12.7x12.7mm 227kg @23C) 3 % 6 % 1 hour 24 hours
Coeff of friction p=0.052n/mm 2 on HG steel 0.15 to 0.2
Temperature -270 to 2 6 5 ° C
Temperature Short term max 28 0 ° C
Temperature Melting point 327 ° C
Thermal Conductivity 0. 3 5 W/(K.m)
Specific Heat 1 J/(g.K)
Coeff of thermal expansion 12 10 -5 K -1
Dielectric constant (10 6 Hz) 2.3
Volume resistance 10 18 Ohms.cm
Mositure absorbtion to equilibrium at 23C 50RH 0.5 %
Water absorption at saturation 0.5 %
Resistance to acids , alkalis, solvents +
Flammability VO UL
Resistance to weathering +

DFC 5000 CHEMICAL RESISTANCE
The molecular structure of the special PTFE works so that the fluorine atoms totally shield the carbon atoms.
(특별한 PTFE의 분자구조는 플루오르 원자가 카본원자를 완전히 보호하는 역할을 한다)

Combined with a denser polymer structure compared with standard PTFE#, this provides DFC 5000 with almost universal resistance.
(표준품의 PTFE와 결합되어있는 고밀도의 폴리머구조는 DFC 5000에게 거의 모든 케미칼에
걸쳐 내화학적 성질을 갖게한다)

· Strong acids (강산) · Strong alkalis (강알칼리) · Solvents (솔벤트)

ENVIRONMENTAL SERVICE

DFC 5000 is not subject to ageing or embrittlement even under extreme UV conditions, making the
material suitable for gaskets, seals, construction slide bearings, aerospace applications and outdoor
electrical insulators.
(DFC 5000은 극단적인 UV조건하에서도 물러지거나 변화되지 않는다.
따라서 가스켓, 씰,건설용도의 슬라이드 베어링,우주산업,외부전기절연체 등등에 알맞다)


DFC 5100(MATERIAL DATA SHEET)  

PRODUCT DESCRIPTION(제품설명)

Wear resistant PTFE (내마모성 PTFE)

DFC5100 offers the following performance
Advantages:
(DFC5100은 다음과 같은 특성을 내포한다)

· Excellent machinability with close tolerances
(공차가 없는 뛰어난 기계적특성)
· Smooth surface finish after machining
(기계가공 후의 부드러운 표면특성)
· Improved deformation properties at temperature
(고온에서의 향상된 내변형특성)
· Good thermal conductivity
( 휼륭한 열적특성)
· Antistatic
(비점착특성)
· Chemical resistance
(내화학성)

APPLICATIONS

Grade dfc5100 applications include:
(DFC5100는 다음과 같은 용도에 최적으로 쓰인다)
· Ball valve seats (밸브 시트)
· Seals (씰)
· Bearings (베어링)
· Wearstrips (웨이스트 라이프)
· Spring Energised seals (스프링보강 씰)
PHYSICAL PROPERTIES (물리적 성질)

Colour Black
Specific Gravity 2.11
Hardness 60-68 Shore D
Tensile strength 13-15 MPa
Elongation 80 %
Radial Shrinkage 2.3 %
Recommended Preform 60-70 MPa
Deformation ASTM D-621 @ 13.8Mpa, 25C, 24hr 5 %
Compressive strength @ 1% Deformation 6.8 N/mm2
Permanent Deformation @24hr ASTM D-621 3.5 %
Linear Expansion Coeff 14 10 -5/ ℃
Volume Resistivity ASTM D-257 103 -cm
Surface Resistivity ASTM D-257 103
Coefficient of Friction Dynamic @ 230kPa 0.11
Factor of Wear K 18-29 Cm 3-min-10 -8 Kg.-m-h
Maximum Service temp 270 C
Max Sintering Temp 375 C
DFC 5100 comprises high purity, refined carbon uniformly blrnded into a high performance PTFE matrix. (DFC 5100은 고순도의 정제된 카본이 일정하게 고기능PTFE 구조에 충진 되어있다.)
The sintered material has excellent valve seat properties, will not damage stainless steel ball, resists cold flow or creep and the safety advantage of antistatic properties. Chemical resistance is similar to that of virgin PTFE.
(열처리된 제품은 뛰어난 밸브 씨트의 특성을 가지며, 스테인레스 스틸 볼을 손상시키지 않는다. 또한 저온 흐름특성 및 내크리프 특성 가지며, 비 점착특성도 아울러 가지고 있다. 내화학적 성질은 순수PTFE의 특성과 비슷하다.)


DFC 5500( MATERIAL DATA SHEET)  

PRODUCT DESCRIPTION(제품설명)

A newly available synthetic polymer alloy
(최근 개발된 합성 폴리머혼합물)

Idea for sealing in high-pressure, high-temperature
Setting that also require low wear and friction
properties
(내마모성과 마찰특성을 요구하는 고내열,
고압용 부품에 최적)

· Excellent creep and deformation resistance at
high temperature.
(고온에서의 뛰어난 크리프성과 내변형성)
· Chemical resistance similar to Virgin PTFE
(순수 PTFE와 비슷한 내화학성)
· Dissipates heat (열방사특성)
· Not abrasive, suited to hard and soft metal
conuter faces.
(상대재질이 단단하거나 부드러운 금속에
적당하며 뛰어난 내마모성)

DFC5500 is well suited when dissipation of frictional heat is a problem and good wear and load resistance characteristics are required against either head or soft counter faces. (DFC5500은 마찰열의 방사에 문제가 있을 때최적으로 사용되며 각각 단단하거나 부드러운 금속재질의 표면에 내마모특성과 내화학성 특성이 요구될 때 사용된다.)
PHYSICAL PROPERTIES (물리적 성질)

Colour Dark Gray
Tensile strength 22 MPa
Elongation +220 %
Hardness 63 Shore D
Co-eff Friction 0.2  
Operating Temperature max 290 C
Temperature Short term max 315 C

APPLICATIONS

Example applications include
(다음과 같은 용도에서 사용된다.)
· Gaskets (가스켓)
· Valve seats - Ball and Gate
(밸브씨트 - 볼과 게이트)
· Bearings(베어링)
· Piston rings-non lubricated (비윤활성 피스톤링)
· Hydraulic / Pneumatic wear bands
(유압 및 공압용 웨어밴드)
· Spring Energised seals (스프링보강 씰)


DFC 7000(MATERIAL DATA SHEET)  

PRODUCT DESCRIPTION(제품설명)

DFC7000 Speciality Formulated Polymers.

· High strength over a wide temperature range from -270°C to 275°C and a short term application up to 300°C.
( -270°C에서 275°C 에 걸쳐 사용가능하며
300°C 에서도 단시간 사용가능)
· Excellent long term stability
(장시간 사용시에도 높은 안정성)
· High purity with low outgassing in Vacuum
(진공상태 에서도 낮은outgassing성질의
고순도)
· Excellent electrical insulation properties
(훌륭한 전기전열 특성)
· Outstanding wear resistant
(뛰어난 내마모성)
· Good chemical resistance
(훌륭한 내화학성)
· Low specific gravity
(낮은 비중)

APPLICATIONS

Example applications include
(예로 다음과 같은 용도를 포함)
· Valve seats (밸브 시트)
· Bushes (부쉬)
· Sliding parts (슬라이딩 부품)
PHYSICAL PROPERTIES (물리적 성질)

Colour Olive green
Specific Gravity 1.90
Hardness 6 8 Shore D
Tensile strength 12.2 MPa
Elongation 190 %
Deformation under load (12.7x12.7mm 227kg @23C) 1.2% 2.3% 1 hour 24 hours
Coeff of friction p=0.052n/mm 2 on HG steel 0.15 to 0.2
Temperature -270 to 275 ° C
Temperature Short term max 300 ° C
Temperature Melting point 327 ° C
Thermal Conductivity 0.25 W/(K.m)
Specific Heat 1 J/(g.K)
Coeff of thermal expansion 6.2 10 -5 K -1
Dielectric constant (10 6 Hz) 2.3
Volume resistance 10 18 Ohms.cm
Mositure absorbtion to equilibrium at 23C 50RH 0.5 %
Water absorption at saturation 0.5 %
Resistance to hot water, washing soda +
Flammability VO UL
Resistance to weathering +

DFC7000 CHEMICAL RESISTANCE
1. DFC7000 100 hour exposure - Temperature: 20°C ( 100 시간 노출 - 온도 : 20°C )
Chemical Concentration (%) Weight Gain(%) Residual Elongation (%) Residual Strength (%)
H 2O 2 30 1.02 100 100
HCI 20 0.67 110 100
HCI conc. 0.13 70 100
HNO3 20 0.65 98 100
Acetic Acid 20 0.87 114 100
H 2SO 4 6N 0.54 50 87
NaOH 1N 1.79 120 100
NaOH 10 3.84 170 98
NaOH 6N 6.87 146 87
KOH 10 4.18 175 95

DFC7000 CHEMICAL RESISTANCE
2. DFC7000 Chemical Resistance List after 1000 hour exposure at room temperature
(일반적인 온도에서 1000시간 노출했을 때 내화학성 리스트)
Chemical Weight Gain (%) Residual Elongation (%) Residual Strength (%)
Antifreeze 1.37 90 92
Brake Fluid 1.64 90 98
Diesel 0.08 108 99
Gasoline (unleaded) 0.05 98 100
Hydraulic Fluid 0.33 99 96
Jet Fuel JP5 0.10 105 100
Jet Fuel JP4 0.05 104 100
Motor Oil -0.40 98 99
Thermal Conduction Oil -0.04 82 92
Skydrol 500B -0.90 109 100
Acetone -0.07 111 100
Freon TF -0.13 94 99
Ethylacetate -0.85 105 100
Isopropanol -1.41 107 100
Methylethylketone -1.16 112 100
Perchloroethylene -0.11 96 98
Benzene -0.10 90 93
Toluene -0.16 104 100
Xylene -0.10 95 98
Bleaching Agent (Clorox) 1.25 78 90
Dish Washing Detergent (Joy) 2.32 105 99
Deionized Water (100C/212F) 1.65 42 65
Coolant Liquid (120C/248F) -1.44 63 86