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Chengdu Foresight Composite Co., Ltd. serves mines and tunneling by ensuring that construction workers have fresh air and safe working environment in the underground.
All our system are customized for every project and come in different duct quality. All duct quality are flame retardant, some
ducts also have antistatic properties which specially developed for underground environments where highly flammable gases
may occur, like coal mines. The flame retardant conform to EN13501/DIN4102 B1/NFPA701/DIN75200, and the antstatic
value stablizes < 3*108 Ω.
We are the drafter of Chinese standard for PVC coated fabric mining ventilation duct, and we constantly devote ourselves to
prompt the development of ventilation technology in mines and tunnels.
We have two automatic production lines for ventilation duct which developed by ourselves, several fabric production lines, 30
high-speed rapier looms, 3 laminated production lines, 1 high frequency welding machine with movable head and 30m working
table, which ensures annual production of rolled film over 10,000 tons, PVC ventilation duct fabric 15,000,000 square meters,
PVC ventilation ducts 2,000,000 meters, the lead time and prodcution process can be controlled easily.



| Item | Unit | Result | ||
| Fabric | Color | - | black, yellow, orange or customized | |
| Base fabric | - | knitted/woven polyester fabric with both sides pvc coated | ||
| Weight | g/m2 | 400-900 or customized | ||
| Length | m | 1-300 or customized | ||
| Seam strength | N/50mm | 1000-2500 or customized | ||
| Tensile strength (warp/weft) | N/50mm | 1500-3000 or customized | ||
| Tear strength(warp/weft) | N | 400-600 or customized | ||
| Adhesion strength | N/50mm | 60-100 or customized | ||
| Antistatic | Ω | <3*108 or optional | ||
| Wind pressure resistance | Pa | 3000-10000 | ||
| Flame retardant | - | EN13501/DIN4102 B1/NFPA701/DIN75200 or customized | ||
| Duct | Diameter | mm | 300-3000 or customized | |
| Longitudinal seam(related to length) | pcs | 1-4 | ||
| Circumferential seam(related to diameter) | pcs | 1-5 | ||
| Sealing flap extend | mm | 100-200 | ||
| Non-perpendicularity with duct axes | ° | 3 | ||
| Steel ring material | - | spring manganese steel or cold drawn steel | ||
| Diameter of steel ring | mm | 5-10 or customized | ||
| Grommet spacing | mm | 500-800 or customized | ||
| Suspension way | - | suspension fin/patch or customized | ||
| Connection way | - | steel ring or zipper coupling | ||
| Torsional capacity | Duct length (≤5m) | mm | 1/24 of circumference | |
| Duct length (>5m) | 1/16 of circumference | |||
| PS: All of the above data can be customized, please e-mail to carina at cdfhcl dot com to specificy requirements. | ||||




Chengdu Foresiht Composite Co., Ltd. was established in 2006, is an all-around major composite material enterprise. Our products are widely used in PVC inflatable fabric for recreational toys, mining ventilation duct, tunnel air duct, flexible biogas engineering fabric, textile architecture membranes, tent fabric, PVC tarpaulin for vehicle and boat, pond liner, PVC geomembrane, air tightness fabric for water&gas tank etc.
We obtained more than 10 national patents, unique anti-static technology has won the National Security Science and Technology Achievement Award. Besides, we are the drafter of Chinese national and industrial standards of coal mine ventilation ducts.
We are looking forward to a long term business relationship and get a win-win situation with you and your esteemed company!

Contact Name: Carina Lim
E-mail: carina @ cdfhcl.com
Skype: carina.1218
Whatsapp/Wechat: +86 15828151260
Facebook: carina.lin1218 @ hotmail.com
Telephone number: +86 15828151260
Call number: +86-28-84211071
Address: Longtan Industrial Park of Chenghua District , Chengdu,China
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