factory low price 9 Foam Surround - 4.5″-Speaker Rubber Surround – EPDM Rubber Edge – Nandi Yanlong

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We have now a specialist, efficiency staff to provide good quality company for our consumer. We normally follow the tenet of customer-oriented, details-focused for Metal Cone , Speaker Foam Surround , 19 Inch Speaker Cone , We also ensure that your choice is going to be crafted with the highest good quality and dependability. Be sure to feel free of charge to contact us for additional information.

factory low price 9 Foam Surround - 4.5″-Speaker Rubber Surround – EPDM Rubber Edge – Nandi Yanlong Detail:

90-042-7

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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Now we have highly developed devices. Our items are exported towards the USA, the UK and so on, enjoying a great popularity among the customers for factory low price 9 Foam Surround - 4.5″-Speaker Rubber Surround – EPDM Rubber Edge – Nandi Yanlong , The product will supply to all over the world, such as: Liverpool, Kenya, Barcelona, Our advantages are our innovation, flexibility and reliability which have been built during last 20 years. We focus on providing service for our clients as a key element in strengthening our long-term relationships. The continual availability of high grade products in combination with our excellent pre- and after-sales service ensures strong competitiveness in an increasingly globalized market.

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Production management mechanism is completed, quality is guaranteed, high credibility and service let the cooperation is easy, perfect!

By EliecerJimenez from Hongkong - 2017.04.28 15:45

The supplier abide the theory of "quality the basic, trust the first and management the advanced" so that they can ensure a reliable product quality and stable customers.

By Fernando from Italy - 2017.11.20 15:58

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