China Supplier Paper Cone Foam Surround Woofer - 4″-Speaker Rubber Surround – EPDM Rubber Edge – Nandi Yanlong

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We believe that prolonged time period partnership is really a result of top of the range, benefit added provider, prosperous knowledge and personal contact for 6"Foam Surround Repair Kit , 14 Inch Speaker Cone , Speaker Kits Factory , Our company has already set up a professional, creative and responsible team to develop clients with the multi-win principle.
China Supplier Paper Cone Foam Surround Woofer - 4″-Speaker Rubber Surround – EPDM Rubber Edge – Nandi Yanlong Detail:

80-30-7

Material NBR SBR IIR EPDM Foaming
Size 1mm-21mm 1mm-21mm 1mm-21mm 1mm-21mm 3mm-12mm
Hardness 45°-85° 45°-85° 45°-85° 45°-85° 55°-75°
Thicken 0.15mm-10mm 0.15mm-10mm 0.15mm-10mm 0.15mm-10mm 0.15mm-10mm
Shape Round, oval, irregular, etc., accept foreign molds, and support customized molds
Color Black, gray, etc. according to customer requirements
Surface treament Smooth, frosted, undercut, etc. according to customer requirements
Edge design High-pressure strip, texture, reverse concave edge, notch, punching, etc. according to customer requirements

 

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The quality of the rubber edge has a great impact on the frequency response of the speaker, and the hardness directly affects the frequency of the speaker. The service life of rubber ring is also very long.

EPDM rubber surround has excellent resilience and is an ideal choice for outdoor speakers, gaskets and fasteners.

EPDM is a terpolymer of ethylene, propylene and non-conjugated dienes, which began commercial production in 1963. The annual consumption of the world is 800000 tons. The main characteristic of EPDM is its superior oxidation resistance, ozone resistance and corrosion resistance. As EPDM belongs to the polyolefin (PO) family, it has excellent vulcanization properties. Among all rubbers, EPDM has the lowest specific gravity and can absorb a large amount of fillers and oil without affecting the properties. Therefore, it can produce low-cost rubber compounds. EPDM is a terpolymer of ethylene, propylene and unconjugated dienes. Dienes have a special structure, and only one of the two bonds can be copolymerized. Unsaturated double bonds are mainly used as the crossing point. The other unsaturated chain will not become the main chain of the polymer, but the side chain. The main polymer chain of EPDM is completely saturated. This property makes EPDM resistant to heat, light, oxygen, especially ozone. EPDM is non-polar in nature, resistant to polar solutions and chemicals, low water absorption and good insulation characteristics.

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Our advantages2

Q1: Can you make OEM/ODM or custom order?
Answer 1: We welcome OEM/ODM or customized product list.

Q2: What is the packaging of your products?
Answer 2: The packaging method is based on the cartons uniformly used by the company, and special packaging will be charged separately.

Q3: Can I get samples from you for testing?
Answer 3: Customers are welcome to take samples for testing. Our company supports free samples of existing models. You only need to bear the freight.

Q4: What are the terms of payment?
Answer 4: 30% T/T deposit, 70% T/T balance payment before delivery. If there is special need, it can be negotiated.

Q5: Can I visit your factory?
Answer 5: 1. In the epidemic environment, our company provides remote online factory detection service. Please contact our business. 2. Welcome to visit the company for field inspection. Please make an appointment in advance before the investigation, so as not to delay your schedule.


Product detail pictures:

China Supplier Paper Cone Foam Surround Woofer - 4″-Speaker Rubber Surround – EPDM Rubber Edge – Nandi Yanlong detail pictures

China Supplier Paper Cone Foam Surround Woofer - 4″-Speaker Rubber Surround – EPDM Rubber Edge – Nandi Yanlong detail pictures

China Supplier Paper Cone Foam Surround Woofer - 4″-Speaker Rubber Surround – EPDM Rubber Edge – Nandi Yanlong detail pictures

China Supplier Paper Cone Foam Surround Woofer - 4″-Speaker Rubber Surround – EPDM Rubber Edge – Nandi Yanlong detail pictures

China Supplier Paper Cone Foam Surround Woofer - 4″-Speaker Rubber Surround – EPDM Rubber Edge – Nandi Yanlong detail pictures

China Supplier Paper Cone Foam Surround Woofer - 4″-Speaker Rubber Surround – EPDM Rubber Edge – Nandi Yanlong detail pictures


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In order to give you convenience and enlarge our business, we also have inspectors in QC Team and assure you our best service and product for China Supplier Paper Cone Foam Surround Woofer - 4″-Speaker Rubber Surround – EPDM Rubber Edge – Nandi Yanlong , The product will supply to all over the world, such as: Guatemala, Liberia, Jamaica, Our products are widely sold to Europe, USA, Russia, UK, France, Australia, Middle East, South America, Africa, and Southeast Asia, etc. Our solutions are highly recognized by our customers from all around the world. And our company is committed to continually improving effectiveness of our management system to maximize customer satisfaction. We sincerely hope to make progress with our customers and create a win-win future together. Welcome to join us for business!
  • The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.
    5 Stars By Sophia from United States - 2018.06.28 19:27
    Products and services are very good, our leader is very satisfied with this procurement, it is better than we expected,
    5 Stars By Gary from Azerbaijan - 2017.12.09 14:01
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