Zhenjiang Chunhuan Sealing Materials Co., Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 15 tons per month |
| Delivery Time | 5-8 work days |
| Packaging Details | standard export packing |
| water absorption | <0.01% |
| Shinkage | <0.4% |
| Tensile Strength | (30-40) Mpa |
| OD | 1-1800 mm |
| Wall Thickness | 0.1-500 mm |
| Length | as your requirement |
| Brand Name | CHUNHUAN |
| Model Number | bronze filled ptfe tube |
| Certification | ISO 9001:2008 / SGS |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 15 tons per month |
| Delivery Time | 5-8 work days | Packaging Details | standard export packing |
| water absorption | <0.01% | Shinkage | <0.4% |
| Tensile Strength | (30-40) Mpa | OD | 1-1800 mm |
| Wall Thickness | 0.1-500 mm | Length | as your requirement |
| Brand Name | CHUNHUAN | Model Number | bronze filled ptfe tube |
| Certification | ISO 9001:2008 / SGS | Place of Origin | CHINA |
| High Light | 6mm PTFE 60 bronze tube ，60 bronze 6mm PTFE tubing ，No Toxicity CNC PTFE bronze tube | ||
40 % Bronze Filled + 60 % PTFE Molded Tube for CNC Manufacture with 1-1800 mm Length
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 | |
Company Details
Business Type:
Manufacturer
Year Established:
1985
Total Annual:
25 Million-30 Milion
Employee Number:
100~150
Ecer Certification：
Active Member
Zhenjiang Chunhuan Sealing Materials Co., Ltd (Group) is located in Yangzhong City, Jiangsu Province, China, Founded in 1985, after more than 30 years of continuous development, has become the production of fluorine plastic products scale backbone enterprises. Companies registered capital of 80.88 m... Zhenjiang Chunhuan Sealing Materials Co., Ltd (Group) is located in Yangzhong City, Jiangsu Province, China, Founded in 1985, after more than 30 years of continuous development, has become the production of fluorine plastic products scale backbone enterprises. Companies registered capital of 80.88 m...
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