Cixi Hongchen Chemical Filling Factory is a manufacturer specializing in the expansion polytetrafluoroethylene (Expanded PTFE) series sealing materials. It mainly produces: expanded tetrafluoro belt, PTFE expanded tetrafluoro belt, tetrafluoro circular rope and other products. Our factory is located in Cixi City, Ningbo, Zhejiang, connecting to Ningbo Port, Hangzhou to the west, Hangzhou Bay to the north, and Shanghai, with very convenient transportation. Expanded polytetrafluoroethylene sealing belt is the main product of our factory. It uses domestic high-quality raw materials such as Dongyue, Juhua, Liwen, etc., and combines advanced technology to produce, with excellent quality and complete specifications, which can meet the requirements of different customers in different industries and different industries. The product has extremely superior insulation, strong chemical stability and good sealing properties. It is widely used in various industries such as machinery, chemical industry, metallurgy, ship, aerospace, medicine, electronics, etc.

Technical parameters:
Temperature: -240°C to +260°C
Pressure: From vacuum to 20Mpa
pH range: 0-14, except for molten alkali metals and elemental fluorine
Density: 0.7g/cm³
Elongation: 156%
Tensile strength of matrix: 30% Typical applications:
Flange gasket
Manhole filler
Widely used as an industrial sealing material for steel plants
Heavy chemical industry
Paper and pulp industry
Food and pharmaceuticals
Petroleum Industry
Current stock specifications
(Accepts various specifications with widths of 3mm to 100mm and thicknesses of 1.5mm to 10mm)
Stock specifications |
3*1.5 | 10*3 | 14*4 | 17*5 | 25*4 | 40*2 |
5*2 | 10*4 | 14*5 | 17*6 | 25*5 | 40*3 |
6*2 | 10*5 | 15*5 | 17*8 | 25*6 | 40*4 |
6*3 | 12*3 | 16*6 | 19*7 | 25*7 | 40*5 |
7*2.5 | 12*4 | 15*3 | 20*3 | 25*8 | 50*3 |
| 12*5 | 15*4 | 20*4 | 25*10 | 50*5 |
| 12*7 | 15*5 | 20*5 | 30*3 | 50*9 |
| 13*4 | 16*5 | 20*6 | 30*4 | 50*10 |
| 13*5 | 16*7 | 20*7 | 30*5 |
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| 16*7 | 20*8 | 30*8 |
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| 20*10 | 30*10 |
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Contact: Yu Hongchao 15058224963 WeChat same number Yu Jianfeng 13506743367
Address: No. 34, Tianfeigong East Road, Guanhaiwei Town, Cixi City, Zhejiang Province
Website: https://cxhongchen.en.alibaba.com/
https://www.nbshc.com/