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0.3mm 0.4mm Diameter PTFE Coated Fiberglass Sewing Thread for Filter Bag Sewing

Product Description

Product Description
Our Sewing Thread is made of high quality alkali - free glass fiber yarn produced by special process and PTFE coated. Processed fiber yarn are more smooth, soft, abrasion resistance, having better resistance to fold with high temperature resistance, chemical corrosion resistance, high strength, excellent properties.
PTFE coated fiberglass thread is made from continuous fiberglass filaments that are heat resistant, chemical resistant and strong.The fiberglass is also coated with PTFE, finish to improve sewability, and reduce friction. It can withstand operating temperatures to around 1022 F(550ºC).It is important to note the PTFE coating burns away at 620 F(320 ºC),so the fiberglass will have a greater heat resistance.
Thread style
Continuous filament E glass yarn
Coating type
High temperature PTFE coated fiberglass sewing thread
Coating content %
Oil content %
Filament diameter (μm)
Yarn plied
Linear density(tex)
Final twist (turns/m)
280 Z
380 Z
280 Z
380 Z
Tensile strength (N)
Linear diameter (mm)
1) High Temperature Resistance ,
2) High Strength,
3) Uniform PTFE coating,
4) Good Flexibility,
5) Excellent glass Fiber Available
6) Chemical resistance,
7) Good Sewability,
8) Excellent Thermal Shock Resistance ,
9) Match Color To Your Product.

Filter Bags, Fire Resistant Composites, Braided Sleeving, Heat Shields, High Temperature Gaskets, High Temperature Textiles, Insulation Jackets, Kiln Seals, Safety Spray Shields, Thermal Insulation Pads, Welding Blankets etc.

Please feel free to contact us for any questions!
Main Products
Company Profile
Q: Are you a trading company or a manufacturer?
A: We have our own factory.

Q: Do you support OEM made?
A: OEM is warmly welcomed, we can arrange your own color or label, print your OEM package, and make your own shape according to your drawing.

Q: Do you provide samples ? is it free or extra?
A: Yes, we could offer the sample for free charge, you only have to pay the cost of freight.

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to

Q: How's the after-sale service?
A: We’ll take photos for your check before loading container and confirm all of documents within 48 hours after shipment. For any other supplier order,you just ask them to deliver us for combine container,we’ll do this favor to arrange everything very well.

Q: What is your terms of payment?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.

Please feel free to contact us if you have any questions.

Contact us if you need more details on Ptfe Coated Fiberglass Sewing Thread. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Sewing Thread With Ptfe Fiber、Ptfe Sewing Thread. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Sewing Thread

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