18 Years Factory 7 Speaker Surround - 2″-Speaker rubber surround – EPDM rubber edge – Nandi Yanlong

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Our progress depends around the innovative machines, great talents and consistently strengthened technology forces for 20"Horn Surround , SBR Rubber Surround Speaker Repair Kit , 11 Inch Speaker Cone , If needed, welcome to help make speak to with us by our web page or cellular phone consultation, we are going to be delighted to serve you.
18 Years Factory 7 Speaker Surround - 2″-Speaker rubber surround – EPDM rubber edge – Nandi Yanlong Detail:

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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:

18 Years Factory 7 Speaker Surround - 2″-Speaker rubber surround – EPDM rubber edge – Nandi Yanlong detail pictures

18 Years Factory 7 Speaker Surround - 2″-Speaker rubber surround – EPDM rubber edge – Nandi Yanlong detail pictures

18 Years Factory 7 Speaker Surround - 2″-Speaker rubber surround – EPDM rubber edge – Nandi Yanlong detail pictures

18 Years Factory 7 Speaker Surround - 2″-Speaker rubber surround – EPDM rubber edge – Nandi Yanlong detail pictures

18 Years Factory 7 Speaker Surround - 2″-Speaker rubber surround – EPDM rubber edge – Nandi Yanlong detail pictures

18 Years Factory 7 Speaker Surround - 2″-Speaker rubber surround – EPDM rubber edge – Nandi Yanlong detail pictures


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Well-run equipment, professional sales team, and better after-sales services; We are also a unified big family, everyone stick to the company value "unification, dedication, tolerance" for 18 Years Factory 7 Speaker Surround - 2″-Speaker rubber surround – EPDM rubber edge – Nandi Yanlong , The product will supply to all over the world, such as: Tanzania, Swedish, Turin, In order to carry out our goal of "customer first and mutual benefit" in the cooperation, we establish a specialist engineering team and a sales team to supply the best service to satisfy our customers' requirements. Welcome you to cooperate with us and join us. We have been your best choice.
  • This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.
    5 Stars By Kristin from Hungary - 2017.09.30 16:36
    Production management mechanism is completed, quality is guaranteed, high credibility and service let the cooperation is easy, perfect!
    5 Stars By Philipppa from moldova - 2017.09.29 11:19
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