Reasonable price PP Cone - 4″-Speaker Rubber Surround – EPDM Rubber Edge – Nandi Yanlong

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To become the stage of realizing dreams of our employees! To build a happier, more united and extra professional workforce! To reach a mutual advantage of our prospects, suppliers, the society and ourselves for 6.5"Horn Surround , 15"Speaker Surround , 3"Speaker Surround Repair Kit , If you have any comments about our company or products, please feel free to contact us, your coming mail will be highly appreciated.

Reasonable price PP Cone - 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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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 support our purchasers with ideal high-quality merchandise and significant level company. Becoming the specialist manufacturer in this sector, we now have received loaded practical encounter in producing and managing for Reasonable price PP Cone - 4″-Speaker Rubber Surround – EPDM Rubber Edge – Nandi Yanlong , The product will supply to all over the world, such as: Oslo, Gabon, European, As an experienced factory we also accept customized order and make it same as your picture or sample specifying specification and customer design packing. The main goal of the company is to live a satisfactory memory to all the customers, and establish a long term win-win business relationship. For more information, please contact us. And It is our great pleasure if you like to have a personally meeting in our office.

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