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Qingdao Finetools Co., Ltd.

Rubber Gasket, Rubber Buffer, Rubber Seal manufacturer / supplier in China, offering Rubber Cylinder Bellows for Industrial Machine & Equipment, High Quality 16mm 10PCS/Set Wooden Stand Gobalt HSS Boring Bars, Promoting Higher Quality 1/2′′-13 5/8′′ 38 Piece T-Nut/Stud Sets and so on.

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Rubber Cylinder Bellows for Industrial Machine & Equipment

FOB Price: US $0.2 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $0.2/ Piece
Get Latest Price
Port: Qingdao, China
Production Capacity: According to Your Product Dimension
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Model NO.: JK-bellow
  • Application: Machinery, Industrial Component, Electronic Product, Vehicle, Household Appliance
  • Cross-Section Shape: Mountain Type Circle
  • Certification: ISO9001 Standard, Ts16949, RoHS, FDA, SGS.
  • Hardness: 18~90 Shore a or According to Your Requirement
  • Trademark: design according to customer′s requirement
  • Specification: Nostandard
  • HS Code: 4016999000
  • Material: Nr, EPDM, Silicone, Cr.....
  • Effect: Wiper Seal
  • Caft: Injection or Compression
  • Product Scope: Connecter, Optics, Electronics, Electrics, Micro E
  • OEM: Welcone
  • Transport Package: Plastic Bag &Carton Box or According to Request.
  • Origin: China
Product Description
We are specialized in manufacturing kinds of rubber parts for more than 30years. All kinds of materials, Custom rubber parts are our advantage,we can design and product according to your drawing(2D/3D) or samples. If you are interested, feel free to contact me.
What's the detail of our auto rubber parts?
Auto Rubber 
Parts Feature
1),Material: NR,NBR,SBR,CR,SILICONE,EPDM,CR,FKM
2),Size:customized
3),Hardness:18-90 shoreA
4),Colour: Black,white,transparent and optional
5),Function: Derection ,protection.
6),Application:iron tupe,chair,desk,ladder,all kinds of machine
7),Accroding to client request
PackagingNot exceed 18KG standard carton ot pallet
Sample1),Hand sample time:within 5-7days
2),Sample charge:according to product details
3),Sample refund: the sample fee can be refund when your order is big enough
4),Send sample:Via TNT,UPS,FEDEX,DHL Express
Sample free provided if you need our stock for check the quality
PaymentT/T,Western Union
Delivery time7-12days According to quantiy
ShipmentDalian  port
Advantage1),We are professional manufacturer of silicone rubber products
2),We asist client to offer integrated product sourcing and production
3),we can help client design and develop new silicone rubber product in their project

Rubber Cylinder Bellows for Industrial Machine & Equipment
Our factory
Qingdao J&K Co., Ltd is the subsidiary company of JINKUN Group, founded in 1989. JINKUN Group has been a comprehensive manufacturer in China. With construction area of 14000square meters and 300 skilled workers, our factory has a whole production line for rubber products, such as moulded and extrusion products. J&K has been one of the biggest rubber products supplier in the north of China. 


As the International Department, J&K exports rubber products to wordwide. Our president-Jack Chen, together with J&K team, is looking forward to the clients' arrival from all the world. We believe J&K will establish the long-term good business with you after discussions and cooperations.
Rubber Cylinder Bellows for Industrial Machine & Equipment
Rubber Cylinder Bellows for Industrial Machine & Equipment
Rubber Cylinder Bellows for Industrial Machine & Equipment
Rubber Cylinder Bellows for Industrial Machine & Equipment

Shipment and delivery time
INNER PACKING: 1piece/ one polybag:
OUTER PACKING: Dozens /cardboard box.
GROSS WEIGHT/OUTER CARTON: <30KG
OUTER CARTON SIZES AVAILABLE: ,55X47X30, 47X36X30, 38X38X38 (CM)
STANDARD SHIPPING MARKS: Front Marks and Side Marks on each outer carton or pallet, content includes Part Code, Part Name, QTY, Net Weight, Gross Weight, Carton Size, and Carton Number.
Rich experience in delivery arrangementto optimize the most economic and quickest shipping way
SEA,  AIR,  DHL, UPS ,FEDEX, TNT and etc.
LEAD TIME: 1 to 5 weeks depends on buyers' purchase order quantity.
DELIVERY WAY: By sea, air or courier agreed with buyers
Rubber Cylinder Bellows for Industrial Machine & Equipment

FAQ
1.Q: As a new customer, I want to know the payment terms between us. 
Normally the following 2 terms of payment are acceptable: 
1) 30% deposit by T/T, and the balance on B/L copy.
2) For small order, 100% T/T in advance. 


Can you customize gasket according to samples or drawing design? 
Yes.we have developed many complicated gaskets for our cusotmers.
Can you put our company's logo on hose?
Yes. we can put your logo if you can provide us with copyright and letter of authority.
Can you customize our packing?
Yes. please let us have your packing design or packing idea.

Our sevice

Product drawings and pictures available for customer's catalog design. 
Response time within 24 hour
shipment quickly and in time
Technical support
  • Property of raw material:NR,NBR,CR,EPDM,FKM,SILICOME,SBR
    (Natural Rubber) is made by latex from the rubber tree collection. Natural rubber is the polymers of isoprene. It has good abrasive resistance, high elasticity, tensile strength and elongation. Easy to aging in the air, become sticky when exposed to heat.It is easy to expand and dissolve in mineral oil or gasoline. It is able to bear alkali, but not strong acid.

    Advantages:
    1). good elasticity;
    2). resistance to acid and alkali;

    Disadvantages:
    1). no weather resistance;
    2). no oil resistance (but vegetable oil resistant);

    Applications:
    1). the raw materials of rubber belts, rubber hoses, rubber overshoes;
    2). for the production of shock absorber parts;
    3). used in the liquid with a hydroxyl automotive brake fluid, ethanol and other products;
    (Ethylene Propylene Rubber) is made by the co-polymerization of ethylene and propylene, and therefore heat resistance, anti-aging resistance, ozone resistance, stability are very good. But sulfur cannot put into sulfur. In order to solve this problem, EP backbone introducing a small amount of a third component of the double-stranded and can add sulfur serve EPDM, the general temperature of -50 ~ 150 ºC. It has excellent resistance to polar solvents such as alcohols, ketones and so on.

    Advantages:

    1). good weather and ozone resistance;
    2). excellent water resistance and anti-matter of the word;
    3). you can use alcohol and ketones;
    4). resistance high temperature steam;
    5). with good gas impermeability;

    Disadvantages:
    1). not recommend to use for foods;
    2). not recommend being exposed to aromatic hydrogen;

    Applications:
    1).the environment of high-temperature water vapor seals;
    2). sanitary equipment seals or parts;
    3). brake system rubber parts;
    4). the seals of radiators;
    (Silica Gel) is a kind of highly active adsorption material. It is belongs to amorphous material; It does not react with any substance except alkali, hydrofluoric acid. It is insoluble in water and any solvent, non-toxic, odorless, chemically stable. Generally at a temperature in the range of - 60 ~ 250 ºC.

    Advantages:
    1). high adsorption performance;
    2). good thermal stability;
    3). chemical property stabilization;
    4). high mechanical strength;
    5). good electrical insulation;
    6). oxygen-resistant;
    7). ageing resistance;

    Disadvantages:
    1). tensile strength is poor;
    2). tearing strength and other mechanical properties are very poor;

    Applications:
    1). is mainly used for equipment, instruments, equipment, and other conditions of moisture absorption in confined rust;
    2). used in conjunction with ordinary silica gel desiccant, indicating desiccant to absorb moisture level and judge the relative humidity environment. Make a packaging desiccant silica gel, are widely used in precision instruments, leather, clothing, food, medicines and household appliances;
    3). can be used for baby pacifiers and other supplies in direct contact with the human body, in addition, it can also be used to produce silicone condoms and breast augmentation;
     (Fluorine Rubber) refers to a carbon atom of the main chain or a side chain containing a fluorine atom, and can be a synthetic  polymer elastomer vulcanized. Such elastomers, has many excellent performance due to the characteristics of their own composition and structure. It is an excellent elastic engineering materials.

    Advantages:
    1). high chemical stability;
    2).excellent high temperature resistance
    3). good anti-aging properties and ozone resistance;
    4). excellent vacuum performance;
    5). excellent mechanical properties, at high temperature compressive permanent deformation;
    6). good electrical properties, low moisture absorption than other elastomers, can be used as a good electrical insulating material;

    Disadvantages:
    7). small air permeability;
    8). low temperature performance is not good, due to its own chemical structure;
    9). poor radiation resistance;

    Applications:
    1). be used in modern aviation, missiles, rockets, astronauts, ships, atomic energy and other cutting-edge technology;
    2). be used in automobile, shipbuilding, chemical, petroleum, telecommunications, instrumentation instrument, machinery and other industrial fields;
    NBR is made by the co-polymerization of acrylonitrile and butadiene, acrylonitrile content from 18% to 50%. Acrylonitrile content is higher, resistance to petrochemical oil hydrocarbon fuel the better, but the low temperature performance is poor, general operating temperature range is -25 ~ 100 ºC. NBR is one of the most commonly used rubber seals and O-rings.

    Advantages:
    1). good resistance to oil, water, solvent and high pressure oil properties;
    2). good compression resistance;
    3). good abrasion-resistant characteristic;
    4). good elongation force;

    Disadvantages:
      not suitable for polar solvents, such as ketones, ozone, nitro hydrocarbons, MEK and chloroform for the system.

    Applications:
    For the fuel tank, oil tank and hydraulic oil in the petroleum, gas, water, oil, lubricants and other flow-based diester medium for use in rubber parts, especially the sealing parts can be said is the most widely used and lowest cost rubber seals.
    (Styrene Butadiene Copolyme) is the copolymer of butadiene and styrene. Compared with natural rubber, it has uniform quality, less foreign body, has better wear resistance and resistance to aging, but the mechanical strength is weak, may blended with natural rubber use.


    Advantages:
    1). low cost non-oil resistant material;
    2). good water resistance;
    3). hardness of 70 or less with good elasticity;
    4). good heat resistance, abrasion resistance, aging offerings, oil resistance;
    5). high hardness degrees with poor compressibility;
    6). better storage stability, can be stored for several years in the shadows;
     

    Disadvantages:
    1). not recommend to use strong acid, ozone, oils, ester oils and fats, and most of the hydrocarbons;
    2). high hardness degrees with poor compressibility;
    3). ozone resistance is poor

    Applications: 
     Widely used in the tire industry, footwear, cloth industry and conveyor industries.
    (Neoprene, Polychloroprene) is made by the polymerization of monomers from chlorine-butene. Rubber elastic resistance is good after vulcanization. It is not afraid of direct exposure to sunlight, particularly good weather resistance, not afraid of intense distorted, not afraid of refrigerating fluid, resistance to acid resistance, silicon ester lubricants, but the impatience of phosphate-based hydraulic oil. Easy to crystallize at low temperatures, hardening. Storage stability is poor at low aniline point mineral oil expansion volume. General temperature range of -50 ~ 150 ºC.

    Advantages:
    1). good elasticity character;
    2). good compression character;
    3). the recipe does not contain sulfur, so it is easy to make;
    4). it resists to vegetable oils and animal oils;
    5). neutral chemicals, fats, oils, various oils and solvents will not impact on physical  properties;
    6). with flame-proof properties;
    7). resistance R12 seals of refrigerating fluid;

    Disadvantages:
    not recommend to use of a strong acid, nitro hydrocarbons, esters, ketones, chloroform and chemicals into the system

    Applications:
    1). rubber parts or seals on appliances;
    2).suitable for the production of direct touch with the atmosphere, sunlight, ozone components;
    3). for a variety of fire resistant, chemical resistant rubber products;
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