Carbon / Graphite filled PTFE Black Molded Tube Big Size Best Price
Modified Polytetrafluoroethylene (RPTFE)
PTFE has excellent performance, but it also has some shortcomings, such as poor creep resistance, easy wear, low mechanical strength and so on. RPTFE composite can be prepared by filling some reinforcing agents in PTFE (or PCTFE). These fillers can greatly improve the mechanical strength of PTFE, thus expanding the use of such materials. Fillers include carbon fiber, graphite, tin bronze powder, glass fiber, molybdenum disulfide, polyphenyl ester, para-polyphenyl, polyimide, carbon powder, aramid fiber, calcium sulfate, stainless steel powder, silicon powder, pigments and so on. Different fillers have their own characteristics. They can provide suitable materials according to the requirements of customers' working conditions, and their shapes and sizes can be customized at will.
Specification
|
OD(mm) |
Wall Thickness(mm) |
Length(mm) |
Paste Extruded Tube |
0.5~25 |
0.1~2.5 |
According to customer's request |
Plug Extruded Tube |
25~250 |
1.5~8 |
According to customer's request |
Molded Tube |
25~2000 |
5~500 |
100~300 |
Tesiting Data Contrast of Some Typical Filled Products
Item |
Pure PTFE |
60% Bronze |
20% Glass fiber |
15% Glass Fiber 5% graphite |
20% Carbon fiber |
Unit |
Density |
2.18 |
3.9 |
2.26 |
2.22 |
2.01 |
g/m3 |
Tensil Strength |
276 |
127 |
175 |
158 |
189 |
MPa |
Elongation at break |
238 |
101 |
207 |
205 |
92 |
% |
ROCKWELL Hardness |
3.2 |
33.8 |
6.4 |
11.3 |
32.1 |
- |
Friction coefficient |
0.13 |
0.18-0.2 |
0.2-0.24 |
0.15-0.17 |
0.16-0.18 |
- |
Bending strength |
207 |
280 |
210 |
225 |
320 |
ºC |
Advantages:
♦High temperature resistance
The working temperature is 250ºC
♦Low temperature resistance
Good mechanical toughness; even if the temperature drops to -196ºC,it can also maintain a 5%
elongation.
♦Corrosion resistance
For most chemicals and solvents, it shows inertia,strong acid and strong alkali, water and various organic solvents.
♦Climate resistance
The best aging life among all plastic.
♦High lubrication
The lowest coefficient of friction in solid materials.
♦Non adhesion
The smallest surface tension in the solid material,which does not adhere to any substance.
♦No toxicity
It has a physiological inertia and has no adverse reaction in the long term imolantation of artificial blood vessels and organs.
♦Electrical insulation
It can resist 1500 volts of high voltage electricity.
PTFE filled with other materials:
Filled materials |
Common filled ratio (Quantity %) |
Main performance |
Bronze |
40,60 5,10,15 |
Increase hardness and wear resistance; Increase dimensional stability and compressive strength; Not suitable for corrosive or electrical applications |
Carbon |
5,10,15 |
Increases compressive strength,hardness,wear and load properties Good chemical resistance; Improves electrical properties |
Graphite |
10,15,25 |
Improves the deformation under load;Reduces initial wear; Improves thermal and electrical conductivity |
Glass Fiber |
10,15,25 |
Increases compressive strength,rigidity and wear. Reduces creep and cold flow;improve dimensional stability |
Carbon Fiber |
5,10,15 |
Increases compressive strength,hardness,wear,and load properties. Reduces creep and cold flow |
POB (Polyphenyl ester) |
5,10,15 |
Improve the lubricaiton performance;Enhance the mechanical strength; Increase using temperature |
BaSO4 |
5,10,15 |
Increase compressive strength, hardness and wear resistance Reduces creep |
SiO2 |
5,10,15 |
Increases hardness and wear resistance; Improve Dimensional Stability |
Glass beads |
5,10,15 |
Reduces creep and cold flow; Lower density Increases hardness and wear resistance; |
Others materials |
PEEK (polyetheretherketone),PI(Polyimide),MoS2 are also ok |
Remarks |
Some materials have similar enhancement effect, but degrees of enhancement are different.And they have different prices. More details please contact us |
Our Service
1)Your inquiry will be replied within 2 hours during working time,Within 24hours when rest time.
2)Our working time is 7.30 AM --17:30 PM,Monday to Saturday.
3)General samples time can be arranged within 2--5days.
4)Orders will be produced exactly as request and approved samples.
5)When mass production,we send photos to show the production line.And confirm the estimate time again.
6)At the end of mass production,photos and samples will send to you for approval.You can arrange the inspection.
7)Before shipment,our QC will have inspection to make sure the quality.
8)We always try best to ensure every order to delivery in time.
Payment Terms
1)T/T,Cash,L/C.
2)30% deposit,70% balance before shipment.
3)Lead time: 15 days after received deposited for 2tons.
4)Delivery way: By sea,By air, By EMS,DHL,UPS,TNT,FedEx.
Packing & Delivery
For sample: By EMS,DHL,UPS,TNT,FedEx
around 5--7 working days to arrive
For Bulk order:
1.Qty of 2tons,within 15 days.
2.Via Sea
3.Delivery time:we will finish production in 15days for 2tons.
4.For 20 GP,may nee around 30days.
Our Company
Zhenjiang Chunhuan Sealing Material Co., Ltd is located in Yangzhong City Jiangsu Province who is a director member of China Plastic Association fluorine plastic processing Specialized Committee.Chunhuan was founded in 1985, our group has now emerged as one of the large-scaled backbone enterprises in the field of PTFE in China after 30-plus years of constant development.
Zhenjiang Chunhuan Sealing Material Co., Ltd is one of the fluoroplastics processing enterprises taking the lead in passing the IS09001 quality system certification. And with the strength of PTFE products, which are superior quality with FDA,REACH,RoHS,MSDS certificate.
Our group mainly manufactures products: PTFE rod, PTFE film, pipes, sheets & mats, PTFE push rods & extrude rods, PTFE turning plates & teflon film , PTFE fillings, PTFE belts, ropes, tapes & packing tapes, metallic gaskets, PTFE corrosion resistant linings, composited tubes & pipe fittings, rubber sheets, mats, framework oil seals & o-rings.
All people from Chunhuan Brand group will continue to bring the best and most considerate service to all of our devoted old customers; meanwhile we sincerely hope that we will extend our service to more new customers.