rubber round ring

Product Specification:

Item name	rubber round ring
Material	nbr, silicone/vmq, fpm/fkm/viton, epdm, ffkm, hnbr, buna, buytl, teflon/ptfe...
Color	Black, White, Red, Blue, Green, Brown or as you like
Hardness	30A,40A,50A,60A,70A,80A,90A
Application	cylindrical surface static sealing,flat face static sealing, vacuum flange sealing, triangle groove application, pneumatic dynamic sealing ,etc
Feature	good sliding characteristic, no stick-slip effect, particular rigidity and almost unlimited ozone, weathering and ageing resistance.
Temperature	NBR:-30°C~+120°C FKM:-20°C~+200°C PU: -45°C~+110°C PTFE:-55°C~+260°C Silicone:-60°C~+230°C EPDM:-50°C~+150°C HNBR:-30°C~+140°C
Current export market	Europe, America, Asia, Africa, Middle East, etc
Production equipment	includes vacuum vulcanizing machines, large-scale flat vacuum vulcanizing machines, rubber machines, CNC machine tools, temperature-controlled ovens and detectors
Safe keeping	avoid sunlight and low humidity, do not bind on the metal line

    Standard CS:   Material Contrast: Company & Factory: Quality Control:   a.  Material inspection:  Testing for all raw materials before storage, and provide the raw material of relevant reports, report and raw material properties with comparison, two of reported values, can storage.   b.  Mold Inspection:  Die Mold development finished or after cleaning ,we will check the full size of the mold ,ensure quality for each cavity's product.   c.  Product Inspection:  During production ,Inspectors will check semi-finished products , ensure product process and make the defective rate control in a reasonable range.   d.  Quality Control:  Quality Department will check product appearance for each batch.   e.  Product Full Inspection:  Optical Sorting Machine ensure products  appearance ,Size 100% qualified.   FAQ: 1.Q: Are you a factory or trading company?      A: We have factory in Shijiazhuang, Hebei with export license. We have the most convenient transportation conditions. 2.Q: Where is your factory located? How can I visit there?    A: Our factory is located in Shijiazhuang City, Hebei Province, China. All our clients, from home or abroad, are warmly welcome to visit us! 3.Q: Can you do OEM?    A: Yes, we can do OEM products. It's no problem.  4.Q: How can I get some samples?  A: 1.We are honored to offer you samples by express. Abroad clients are expected to pay for the freigh cost, the samples are free. For clients in China, we pay express fee.    2. Regarding the courier cost: 
(1) you could arrange a RPI (remote pick-up) service upon Fedex, UPS, DHL, TNT, etc. to have the samples collected;
(2) inform us your express freight collect account. Then you can pay the freight direct to your local carrier company;
(3) Transfer the cost to us before, the sample will be sent after receiving the payment  5.Q: How does your factory do regarding quality control?  A: Quality is priority. Most people always attach great importance to quality control from the very beginning to the very end: 1). All raw material we used are imported; Cooperation with Dupont, JSR and large raw material recip database, make our material properties are relatively stable, products' quality be control.  2). Skilled workers care every details in handling producing and packing processes;  3). Quality Control Department specially responsible for quality checking in each process.    Our Servie: 1. Provide samples for your test first before mass production. 2. Design the products according to your Engineering Drawing or Samples.    Contact Info.: