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Nanjing EFG Co.,Ltd
Glass Fiber Fabric For Speaker

Glass Fiber Fabric For Speaker

Glass Fiber Fabric For Speaker is the special glass fiber fabric/cloth for the sound cone. The fabric is processed from special high-quality glass fiber. It has been widely used in audio equipment. It is used to manufacture speaker diaphragms. The diaphragm is important...

Product Details

Production description

The special glass fiber fabric/cloth for the sound cone is a fabric processed from special high-quality glass fiber, it has been widely used in audio equipment. It is used to manufacture speaker diaphragms. The diaphragm is an important component of the speaker. The diaphragm made of glass fiber fabric/cloth can obtain the best sound effect.

The double bass/midrange driver unit uses a cone made of glass fiber fabric, which has similar features to bullet-proof cloth (Kevlar) in function.

fiberglass fabric for speaker


1. Glass fiber fabric has a high specific modulus, and the propagation speed of longitudinal waves is fast.

2. Lightweight.

3. Good rigidity, which can effectively resist the influence of surrounding air vibration on it.

4. Moderate internal resistance and relatively good internal loss.

5. Good weather resistance, no moisture absorption.

6. Excellent fatigue resistance.

speaker 1

Technical data

Basic weight

Fabric count

Tensile strength























Remark: 1. Special sizes can also be supplied according to customers’ demands.

               2. The technical data above is for reference only.


Shrinkage film packaged, then into a container

fiberglass mat packing



This product should be stored in a dry, ventilated and rainproof place, with temperatures from 5℃to 35℃ and humidity between 35% and 65%. It is recommended to be kept in a safe package when not used to avoid dampness. 


The product in the above table is the standard type Nanjing EFG CO., LTD is delivering to customers. If the customer wants it in specific unit weight, tensile strength, roll width, and roll length, Nanjing EFG CO., LTD can produce fiberglass mat as per the customer’s requirement, offer tailored service to customers from different countries.  



Our Services 

Nanjing EFG CO., LTD tracks the cargo of every shipment till the customer uses the fiberglass mat, and offers any help for the customer’s demand at any time.

If the customer meets any problem with technic, Nanjing EFG CO., LTD will supply relative knowledge to help the customer find the best solution, and can send a technician to the customer’s factory for guidance if necessary. 

Why Choose Us

Nanjing EFG Co., Ltd, as one of the fiberglass materials suppliers in China, has been a professional manufacturer of fiberglass and polyester non-woven fabric for more than 15 years, we have been committed to providing a full range of products for our customers.
We also customize high-quality, cost-effective products and seek to enhance our services with a view to delivering a positive and delightful customer experience.
According to your needs, what we can provide is not only strategic planning, reliable solution, consultancy, and guidance, but also detailed implementation actions according to your situation.
To get more information about our capabilities, please contact us.


Q1.What's the MOQ?

A: Usually 10000SQM for mat or 1 Ton for glass fiber.

Q2.How can I get a sample?
A: Normally small samples can be sent free of charge and customers just need to bear the shipping charge, or you can provide your DHL, FEDEX, EMS, and UPS courier account number to us. For bigger sizes, it depends.

Q3.How do you do quality control?
A: We have the most professional tech team and experienced workers, from material choosing, and production process to final packing, all are under strict control to make sure you can sure you can get the qualified fiber products.

Q4.Can your company customize products?
A: Yes, We usually discuss with customers and help them find solutions.

Q5. How long does the sample take you to check quality?
A: Usually a sample will be prepared within one week after the specification is agreed upon.

Q6.What about your delivery time? Can we receive our goods on time?
A: Usually around 2-3 weeks after the order is confirmed. The exact delivery time depends on order quantity and Off-season/ busy season.

Q7. What are your terms of payment?
A: Usually we do FOB, CIF, CFR, and DDU.

Q8. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.

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