PTFE Envelope Gasket

• Material: PTFE
• Application: Pumps
• Type: Oil Seal
• Performance: Temperature
• Shape: O-Ring
• Standard: Standard
• Model NO.: all type
• Transport Package: Wooden Boxes and Can as Your Request
• Specification: as your request
• Trademark: chunhuan
• Origin: Zhenjiang
• HS Code: 39209910
• Production Capacity: 50000PCS/Month

Product Description

 

PTFE Coated Rubber Gasket

Consists of rubber and PTFE through unique process connected together. It has good flexibility, corrosion resistant, non-toxic and excellent sealing ability.  Widely used in chemical, food, pharmaceutical, petrochemical and other fields.
It is improved from full face rubber gasket, surface with molded virgin PTFE coating which covered inner diameter to inside bolt circle on both sides with one to two concentric convex sealing rings. PTFE coating increase the maximum corrosion resistance possibility to suit for universal corrosive chemicals. Normal rubber material is EPDM, the EPDM giving elastic recovery and low seating stress advantages (only one third of traditional PTFE enveloped Gasket), and a long sealing life. It meets ASME B16.5.JIS.DIN flange standard, available size 1/2" up to 24"ID, continue service temperature range -30°C ~+150°C, maximum pressure 20 Bar. It can be used for application such as plastic piping and metal lining or glass lining piping.

Photo
 

Main properties

Item	Unit	Value
Tensile Strength	Mpa	≥25.5
Stripped Out Strength	N/m	≥39x10^2
Hardness of Rubber	°	65°±5°
Compressibility	%	≥25
Recovery	%	≥30
Stress Release Rate(150ºC/16h)	%	≤45
Leakage Rate	Cm^3/s	1x10^3
Temperature	ºC	130
Pressure	Bar	25

 
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
About us:
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.