$Good quality Cone Ass \’y - 4″-Speaker Rubber Surround – EPDM Rubber Edge – Nandi Yanlong Featured Image$

$Good quality Cone Ass \’y - 4″-Speaker Rubber Surround – EPDM Rubber Edge – Nandi Yanlong$
$Good quality Cone Ass \’y - 4″-Speaker Rubber Surround – EPDM Rubber Edge – Nandi Yanlong$
$Good quality Cone Ass \’y - 4″-Speaker Rubber Surround – EPDM Rubber Edge – Nandi Yanlong$
$Good quality Cone Ass \’y - 4″-Speaker Rubber Surround – EPDM Rubber Edge – Nandi Yanlong$
$Good quality Cone Ass \’y - 4″-Speaker Rubber Surround – EPDM Rubber Edge – Nandi Yanlong$
$Good quality Cone Ass \’y - 4″-Speaker Rubber Surround – EPDM Rubber Edge – Nandi Yanlong$

Good quality Cone Ass \’y - 4″-Speaker Rubber Surround – EPDM Rubber Edge – Nandi Yanlong

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Our products and solutions are greatly recognized and trustworthy by customers and may fulfill constantly changing financial and social requires for Perforated Rubber Edge Kit , Horn Edge For Car Speaker , 18"Edge Folded Ring , Our company has already set up a professional, creative and responsible team to develop clients with the multi-win principle.

Good quality Cone Ass \’y - 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

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.

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We keep on with our business spirit of "Quality, Performance, Innovation and Integrity". We goal to create much more worth for our customers with our rich resources, state-of-the-art machinery, experienced workers and exceptional providers for Good quality Cone Ass \’y - 4″-Speaker Rubber Surround – EPDM Rubber Edge – Nandi Yanlong , The product will supply to all over the world, such as: South Korea, US, Lithuania, Our company will continue to adhere to the " superior quality, reputable, the user first " principle wholeheartedly. We warmly welcome friends from all walks of life to visit and give guidance, work together and create a brilliant future!

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We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.