PTFE Tube
PTFE tube is made from PTFE dispersion resin and prepared by ram extruder. It is used as conduit for dielectric application and corrosive fluid transportation. It conforms to the professional standard QB/T 3624-99.

Specification

Unit: mm

Specification

I.D.

I.D. Tolerance

Wall Thickness

Wall Thickness Tolerance

Length

SFG - 1

0.5,0.6,0.7,0.8,0.9, 1.0

±0.10

0.2
0.3

±0.06
±0.08

≥200

1.2,1.4,1.5,1.6,1.8

±0.20

0.2
0.3
0.4

±0.06
±0.08
±0.10

2.0,2.2,2.4,2.6,2.8

±0.20

0.2
0.3

±0.06
±0.08

3.0,3.2,3.4,3.6,3.8,4.0

±0.30

0.4
0.5
1.0

±0.10

SFG - 2

5.0,6.0,7.0, 8.0

±0.50

0.5
1.0
1.5
2.0

±0.30

≥200

9.0,10.0,11.0,12.0

±0.50

1.0
1.5
2.0

±0.30

≥200

13.0, 14.0, 15.0, 16.0,17.0,18.0, 20.0, 25.0

±1.0

1.5
2.0

±0.30

≥200

25.0, 30.0

±1.5

2.0
2.5

±0.30

≥200

Note: Customer’s request negotiable.

Main Properties

Item

Unit

Value

SFG-1

SFG-2

Gravity

--

---

2.10~2.30

Tensile Strength

MPa

≥25

≥25

Elongation @ Break

%

≥100

≥150

Dielectic Strength (AC)

Wall Thickness

0.2mm
0.3mm
0.4mm 0.5mm
1.0mm

kV

≥6

---

≥8

---

≥10

---

≥12

---

≥18

---

Note: SFG-1tube I.D.<4mm; SFG-2 tube I.D.>4mm.

 

PTFE Rod

PTFE rod is made from PTFE suspension resin or PTFE dispersion resin and prepared by ram extrusion and compression molding. It has an excellent corrosive resistance ,dielectric property, non-sticking，lowest friction coefficient. It can be used as corrosive-resistant gasket, seal, self-lubricant material and electric insulation component at the temperature of -180℃~+260℃. It conforms to the professional standard QB/T 3626-99.

Type and Specification
    SFB-1: Extruded rod
    SFB-2: Molded rod
Specification

Unit: mm
Diameter

Dia. Tolerance

Length

Tolerance

4,5,6

+0.48
- 0

100

+5.0

7,8,9

+0.58
-0

10,13,1516,18

+1.10
- 0

1000

+ 3.6

20,25,30

+ 1.30
- 0

35,40,45,50

+ 1.60
- 0

55,60,65,70,75,
80,85,90,100

+ 2.0
- 0

1000

+ 2.5

110,120,125,130,140,150

+ 2.50
- 0

300

 

+ 2.0

180,200,250,270,300

+ 3.0
- 0

Note: Customer’s request negotiable.

Main Properties

Item

 

Unit

Value

SFB-1

SFB-2

Gravity

--

2.10~2.30

2.10~2.30

Tensile Strength

MPa

≥14

/

Elongation @ Break

%

≥140

/

Note: SFB-1 rod Dia. < 16mm; SFB-2 rod Dia. > 18mm

 

PTFE Sheet

PTFE sheet is made from PTFE resin and prepared by compression molding and skiving. It has excellent corrosive resistance, no aging, non-sticking property and lowest friction coefficient and can be used as corrosive resistant lining, support block, lathe guide and electric component at the temperature of -180℃~+260℃. It conforms to the professional standard QB/T 3625-99.

Specification

Unit:mm

 

Thickness

Length & Width

Molded sheet

3～100mm

1200mm×1200mm（Max）

Skived sheet

0.5～4mm

Width≤1800mm
Length： by roll

Note: Customer’s request negotiable.
Main Properties

Item

Unit

Value

SFB-1

SFB-2

SFB-3

Gravity

 

2.10~2.30

2.10~2.30

2.10~2.30

Tensile Strength

MPa

≥15

≥15

≥15

Elongation @ Break

%

≥150

≥150

≥30

Dielectric Strength

kV/mm

10

 

 

Note: SFB-1 is used as electrical insulation material;
          SFB-2 is used as gasket, sealing and lubricant material;
          SFB-3 is used as membrane and visual window material in corrosive media.

PTFE Film

PTFE Film is made from PTFE resin and prepared by compression molding, skiving and calendaring technology. There are three kinds of film: oriented, Semi-oriented and non-oriented film. The film has excellent chemical resistant, ageing resistant and dielectric property, used as capacity medium, electric device, wire and cable insulation. It conforms to the professional standard QB/T 3627-99.

Specification

Code

Type

Thickness
mm

Width
mm

Length
m

SFM-1

Oriented

0.008~0.04

40，60，90

≥50

SFM-2

Semi-Oriented

0.03~0.20

60, 90

≥100

Non- Oriented

0.02~0. 50

60, 90, 120

≥50

SFM-3

Oriented

0.01~0.20

40，60，90

≥30

Non- Oriented

0.02~0.50

60，90，120，150

≥20

Note: Customer’s request negotiable.

 


Note: SFM-1 oriented film used as capacitor medium;
           SFM-2 semi-oriented, non-oriented film used as wire insulation;
           SFM-3 oriented, non-oriented film used as insulation, sealing material in electric                         devices and instruments and anti-stick material at high temperature.

Main Properties

Item

Unit

Value

SFM-1

SFM-2

SFM-3

Oriented

Semi-
Oriented

Non- Oriented

Oriented

Non- Oriented

Tensile Strength

MPa

≥30

≥20

≥10

≥30

≥10

Elongation @ Break

%

≥30

≥60

≥100

≥30

≥100

1MHz
Dissipation factor

≤0.01

--

3.0×10-4

--

--

3.0×10-4

--

＞1

---

2.5×10-4

--

--

--

--

1MHz
Dielectric Constant

 

Average 1.8~2.2

--

--

Average
1.8~2.2

--

Voltage Breakdown(D.C)

KV mm

Average
200

Average
60

Average
40

Average
60

Average
30

Minimum
40

Minimum
6

Minimum
4

--

--

 

Adhesive-bonding PTFE Tape

Adhesive-bonding PTFE tape is prepared by the methods of surface physical roughening and chemical activation. It gives excellent surface characteristic of sticking to the surface of metal, rubber etc. with common-type adhesive. It conforms to the enterprise standard Q/GHAD 6-2000.

Specification

Width(mm)

Thickness (mm)

Length (m)

95±1.5

1.0±0.1

20 meters long per roll.

55±0.1

0.8±0.1

Note: Customer’s request negotiable.

Main Properties

Item

Unit

Value

Tensile Strength

MPa

≥15

Peel Strength

N/cm

≥8

Shear Strength

MPa

?≥0.5

 

PTFE Heat Shrinkable Sleeve

PTFE heat shrinkable sleeve is made from PTFE resin and prepared by paste extruding and blowing technique. It has the properties of non-sticking, anti-corrosion, anti-abrasion, ultraviolet resistance and high ultraviolet light transmission, and also has good dielectric property. Its heat shrinkage temperature is about 330℃ and its shrinkage rate in the following table. It can be used as high-class dielectric insulation and protective material at the temperature range of –200℃ through 260℃. It conforms to the enterprise standard Q/GHAD 80-2007.

Specification

Unit：mm
Code

I.D. before shrinkage

I.D. after shrinkage

Wall Thickness after shrinkage

Supplied Length

SFGS—A—3

0.90±0.10

0.25±0.08

≥100

SFGS—A—6

1.60±0.20

0.30±0.10

SFGS—A—9

2.40±0.20

0.30±0.10

SFGS—A—12

3.70±0.20

0.40±0.10

≥100

SFGS—A—15

4.50±0.20

0.40±0.10

SFGS—A—19

5.6±0.20

0.40±0.10

SFGS—B—2

1.6±0.20

0.30±0.10

SFGS—B—3

2.00±0.20

0.30±0.10

SFGS—B—4

2.40±0.20

0.30±0.10

SFGS—B—5

3.00±0.20

0.30±0.10

SFGS—B—6

3.70±0.20

0.40±0.10

SFGS—B—7

4.00±0.20

0.40±0.10

SFGS—B—8

4.50±0.20

0.40±0.10

SFGS—B—9

5.60±0.20

0.40±0.10

SFGS—C—6

2.80±0.20

1.00±0.20

SFGS—C—12

13.00±0.60

3.90±0.20

1.00±0.20

Note: Customer’s request negotiable.
           SFGS—A : Radial Shrinkage Rate:70～75%
           SFGS—B: Radial Shrinkage Rate:30～50%
           SFGS—C: Radial Shrinkage Rate:50～73%

Main Properties

Item

Value

Relative Density

2.1～2.2

Tensile Strength (MPa)

≥20

Dielectric Strength (MV/m)

Type A ,Type B

≥36

Voltage Breakdown(AC) （kV）

Type C

≥18

Shock Heating Resistance

No Melt Drop and Crack

Flexibility at Low Temperature

No Crack

Oil Resistance:10# or20# Hydraulic fluid, 4050# lubricant oil

Appearance :no Change

Elongation @ Break (%)

≥200

Length Change Rate (%)

0～+20

Radial Shrinkage Rate (%)

Type A

70～75

Type B

30～50

Type C

50～73

 

PTFE Diaphragm、PTFE/Rubber Composite Diaphragm

PTFE Diaphragm is made from PTFE resin and prepared by post-processing. PTFE/rubber diaphragm is prepared by laminating technique. They have excellent chemical resistance, unique strength and no pores and can be used as valve block, pump membrane and viewing window at the condition of corrosive medium. It conforms to the enterprise standard Q/GHAD 73-2000.

Specification

Unit：mm
Code

Diameter(mm)

Tolerance(mm)

Width(mm)

Tolerance(mm)

SFGP-1

50~150

±10

0.5

±0.1

SFGP-2

100~300

±10

1.0

±0.1

SFGP-3

100~300

±10

1.5

±0.1

SFGP-4

300~500

±10

1.7~2.5

±0.2

Note: Customer's request negotiable.

Main Properties

Item

Unit

Value

Tensile Strength

MPa

≥20

Elongation @ Break

%

≥80

Relative Density

---

2.08~2.18

 
Expanded PTFE Film

Type “H” PTFE micro-porous film is made from PTFE dispersion resin and prepared by paste extruding and stretching technique. The film has excellent electric properties of low dielectric constant, low dissipation factor, stable electric signal in various range of frequency at the temperature of – 50℃ through 200℃ and can be used as dielectric material for micro-wave coaxial cable. The film is widely applied in the fields of telecommunication, tracing, warning, electronic confrontation and aviation guide devices etc. It conforms to the enterprise standard Q/GHAD 71-2008.
Specification

Code

Thickness (mm)

Width (mm)

Length(m)

H—PSFWM—0.10—90

0.10±0.02

90~135

＞50

H—PSFWM—0.15—90

0.15±0.02

90~135

＞50

H—PSFWM—0.20—90

0.20±0.02

90~135

＞50

Note: Customer's request negotiable.

Main Properties

Item

Value

Tensile Strength MPa

≥20

Elongation @ Break %

≥30

Relative Density

0.55~0.75

Dielectric Strength, DC MV/m

＞6

 

Chemical Activated PTFE Sheet

PTFE chemical activated sheet is prepared by the technology of chemical treatment on one side or two sides of molded or skived PTFE sheet. Common adhesive such as epoxy or PU type adhesive can be applied on the chemical treated PTFE surface that can laminate steel and rubber sheet. These PTFE laminated sheets can be used as bridge slide block, anti-corrosive sealing material and diaphragm of diaphragm valve etc. It conforms to the enterprise standard Q/GHAD 7-2000.
Specification

Length

Width

Thickness

L≤1100mm

W≤1100mm

0.5~5mm

Note: Customer's request negotiable.

Main Properties

Item

Unit

Value

Shear Strength

MPa

≥0.4

Peel Strength

N/cm

≥6.0

 

Filled PTFE Products

Filled PTFE products (rod, sleeve and plate etc.) are made from filled PTFE resin by compression molding. Some physical and mechanical properties of PTFE can be improved by various filler mixing with PTFE resin, such as compression strength, wear-resistance and cold-creep behavior etc. It conforms to the enterprise standard Q/GHAD 1-2000.

Code and Application

Code

Application

4FT-1

Abrasion-resistant bearing , gasket, valve packing, valve seat etc.

4FT-2

4FT-3

Piston ring for cooling fluids etc.

4FT-4

4FT-5

Valve seat (with properties of compression-resistance, abrasion-resistance and good heat conduction)

4FT-6

Bearing, gasket, valve seat etc. (with properties of compression-resistance at high temperature and abrasion-resistance in water)

4FT-7

Bearing, gasket, valve seat (with properties of compression-resistance and abrasion-resistance in water)

4FT-8

Shaft sleeve, valve seat, sealing gasket etc. (with properties of compression-resistance, anti-static property, good heat conduction, chemical-resistance and abrasion-resistance)

4FT-9

4FT-10

Abrasion-resistant gasket, valve seat etc.

4FT-11

Anti-creep bearing, lubricating valve seat etc.

4FT-12

Lubrication and abrasion-resistant piston ring, bearing, sealing ring, gasket etc.

Note: Customer's request negotiable.

Code and Application

Code

Application

FGC-200

Ball-value seat, bearing, Shaft sleeve.

FUS-9010

Ball-value seat, bearing, Shaft sleeve.

FUC-4010

Ball-value seat, Lathe guide etc.

FBH-60

Soft metal bearing, shaft sleeve, oil seal etc.

FGS-3010

Cold-flow-resistant, abrasion-resistant bearing and shaft sleeve.

Note: Customer's request negotiable.

 

Expanded PTFE Sealing material

This product is made from UHMW PTFE resin and is a kind of bilateral stretch -expanded sheet. It has not only the features and benefits of PTFE gasket but also overcomes the weak point of cold-flow (creep) behavior. It is a high class sealing material in the condition of low stress and is widely applied in the fields of aviation, aerospace, chemical engineering, metallurgy and pharmaceutics industry.

In comparison with the traditional sealing material, it has the following features and benefits:
    Lower density ( about 1/4～1/3 of normal PTFE sheet );
    Working temperature:-240℃～260℃;
    High sealing reliability;
    Irregular surface sealing;
    Excellent aging-resistance and unlimited storage life;
    To be quickly stamped in place, easily mounting on and reducing material scrap;

Specification

Unit：mm
Code

Thickness

Thickness Tolerance

PSFMB-0.5

0.5

±0.05

PSFMB-1.0

1.0

±0.1

PSFMB-1.5

1.5

PSFMB-2.0

2.0

PSFMB-3.0

3.0

Note:1.Area：550×550 mm ( Max.)
          2 Customer's request negotiable.

Main Properties

Item

Unit

Value

Density

g/cm3

0.75±0.10

Tensile Strength

≥MPa

10.3

Elongation @ Break

≥%

150

 

PTFE Spiral-type Abrasion-Resistant tape

This product is made from PTFE tube which is cut into a spiral-type abrasion-resistant tape. It has good chemical and oil resistance ( aero-kerosene, Hydraulic oil and Synthetic lubricant oil etc.) and electric property. It’s working temperature: -180℃ ～260℃ and can be used as a protective layer of shield cable and wire bundle in airplane engine.

 

Expanded PTFE Film

This product is made from PTFE dispersion resin with a special fibred-structure micro-porosity by the technology of extrusion and stretching It has a lower relative density, lower dissipation loss and PTFE’s advantages so it is an ideal material for low dissipation micro-wave coaxial cable.

In comparison with “ H ” type wrapped film for cable, it has the following features and benefits.
    1. Small thickness tolerance;
    2. Low dissipation loss;
    3. Temperature-phase stability

Specification

Code

Thickness & Tolerance(mm)

Width (mm)

Length (m)

DSHWM-0.10-90

0．10±0.02

90~135

＞50

DSHWM-0.15-90

0．15±0.02

90~135

＞50

DSHWM-0.20-90

0．20±0.02

90~135

＞50

Note: Customer's request negotiable.

Main Properties

Item

Value

Relative Density

0.65~0.75

Tensile Strength MPa

≥20

Elongation @ Break %

≥30

Dielectric Strength AC MV/m

＞6

 

 

 

Quenched PTFE Products (rod and sleeve)

This is a kind of molded PTFE profile ( rod and sleeve ) with a special thermo-processing treatment. It has excel-lent cold-creep resistance and is one of good sealing material. It can be used as gaskets and seals in various corrosive medium, lubricator and dielectric components at a various range of frequency.

In comparison with normal molded PTFE profile, it has the following features and benefits.
    ● Increased elasticity, dimensional stability, Long service-life
    ● Excellent sealing property
    ● Good machining behavior

Main Properties

Item

Unit

Value

Density

g/cm3

2.12-2.18

Tensile Strength

MPa

≥20.0

Elongation @Break

%

≥250

Note: Customer's request negotiable.

 

“Heat-Memory” PTFE sheet

This is a special type of molded PTFE sheet with heat-memory effect. It has a special feature of recovering a forced deformation of PTFE sheet into original dimension when being heated. It is suitable to be a structure part that is to be expanded by external force and be recovered by heat, and is used as gasket, seal ring etc. in a various kind of corrosive medium. It conforms to the enterprise standard of Q/GHAD 86—2008

In comparison with normal PTFE sheet: It has the following features and benefits.
    1. Less deformation under high pressure ( 5% －10％ of normal PTFE sheet )
    2. Low crystallinity, having a characteristic of elastic deformation and heat shrinkage；
    3. To be Easy stamped into various size of sealing ring;
    4. Excellent aging resistance and no storage limit

Specification

Unit：mm
Code

Diameter (mm)

Thickness (mm)

SFSB-140-0.6

140±20

0.6±0.10

SFSB-220-0.8

220±20

0.8±0.10

SFSB-260-1.0

260±20

1.0±0.10

SFSB-260-1.3

260±20

1.3±0.10

SFSB-260-1.6

260±20

1.6±0.10

SFSB-260-2.0

260±20

2.0±0.15

Note: Customer's request negotiable.

Main Properties

Item

Value

Tensile Strength MPa

≥20

Elongation @ Break %

≥150

Relative Density

2.12~2.18

Thickness Change after Heat Treatment mm

<130℃

≤0.15

<180℃

≤0.30

Unrecovery rate %

≤2.0

 

PTFE Insulation Tape

This product is made from PTFE dispersion resin by the technology of extrusion and calendaring. It is white color, soft, elastic, chemical inert, non toxicity and a kind of dielectric material used as electric insulation material for wire and cable. It conforms to the enterprise standard of Q/GHAD 83-2002

Specification

Code

Thickness & Tolerance (mm)

Width & Tolerance (mm)

Length
(m)

SF-JM-0.07-08

0.07±0.007

8.0±0.5

≥80

SF-JM-0.07-20

0.07±0.007

20.0±1.0

≥110

SF-JM-0.125-25

0.125±0.015

25.0±1.0

≥110

Note: Customer's request negotiable.

Main Properties

Item

Unit

Value

0.07mm

0.125mm

Oil content after extraction

%

≤0.10

≤0.10

Tensile Strength

Longitudinal

MPa

≥8.8

≥4.9

Traverse

MPa

≥1.0

≥1.0

Elongation @ Break

Longitudinal

%

≥100

≥80

Traverse

%

≥400

≥400

Longitudinal Shrink. Rate

%

≤30

≤30

Dissipation factor 1MHz

--

≤0.0003

≤0.0003

Dielectric Constant 1MHz

--

≤2.2

≤2.2

Volume Resistivity

Ω·m

≥1×1014

≥1×1014

Dielectric Strength(DC)

MV/m

≥160

≥100

 

PTFE Precision machining parts

This kind of product is made from PTFE profile (Rod, sheet, sleeve etc.) by a precision processing machine. The precision machining parts can meet different technical requirements in various industrial sectors, such as:

    Electric wire bundle and cable sheathing.

    Abnormal shape profile by extrusion.

    "Lip" type piston seal ring in hydrazine.

    Piston ring of actuate mechanism in aircraft fuel tank.

    Identification flexible sleeve.

    Bush used in airplane engine.

 
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