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High reputation 8Edge Folded Ring - SBR Rubber surround used on loudspeaker-1inch-21inch – Nandi Yanlong Featured Image
  • High reputation 8Edge Folded Ring - SBR Rubber surround used on loudspeaker-1inch-21inch – Nandi Yanlong
  • High reputation 8Edge Folded Ring - SBR Rubber surround used on loudspeaker-1inch-21inch – Nandi Yanlong
  • High reputation 8Edge Folded Ring - SBR Rubber surround used on loudspeaker-1inch-21inch – Nandi Yanlong
  • High reputation 8Edge Folded Ring - SBR Rubber surround used on loudspeaker-1inch-21inch – Nandi Yanlong

High reputation 8Edge Folded Ring - SBR Rubber surround used on loudspeaker-1inch-21inch – Nandi Yanlong

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Our pursuit and firm aim should be to "Always fulfill our buyer requirements". We carry on to produce and structure top-quality excellent solutions for equally our aged and new consumers and accomplish a win-win prospect for our consumers as well as us for 15"Foam Surround Repair Kit , Rubber Edge For Theater Speakers , 8"Foam Surround Replacement , We have now confident that we can easily offer the premium quality products and solutions at resonable price, good after-sales services into the buyers. And we're going to produce a dazzling future.
High reputation 8Edge Folded Ring - SBR Rubber surround used on loudspeaker-1inch-21inch – Nandi Yanlong Detail:

Excellent wear resistance, excllent heat aging resistance, good impact resistance.

Application Car audio, Home audio, Subwoofer audio, Stage speakers, Wall speakers, Ceiling speakers, Outdoor speakers, Intelligent voice Bluetooth speakers, surround sound, artificial intelligence speakers, Self DIY audio design.
Material SBR with another more than 10 types of additives to adjust the performance of the rubber
Hardness 40~85°
Thickness 0.10mm-15mm,accept customized
Surface treatment Black light, Sanding, Biting lace, etc
Shape Round, Oval, Rectangle,Accept foreign molds ,Support customize molds
Edge design High pressure strip, Textured, Anti concave edge, Notching, Punching, etc
Color As requested by clients
Feature Anti-aging, Waterproof, Durable, Pliable
Certification ISO9001,IATF16949,ISO14001
Capacity 52000pcs/month

SBR stands for styrene-butadiene rubber, is a synthetic rubber commonly produced worldwide. Styrene-butadiene or styrene-butadiene rubber (SBR) describe families of synthetic rubbers derived from styrene and butadiene.

A surround’s quality has enormous impact on the frequency response of a loudspeaker. The shore hardness directly affects the frequency of the speaker. Rubber surrounds also endure a long lifetime, almost 20~30years.

Styrene-butadiene rubber offers a range of advantages. It is resistant to water and glycol and very hardwearing. SBR offers good abrasion resistance, outstanding impact strength, good resilience and high tensile strength. SBR is the best synthetic elastomer to use in dynamic and abrasive conditions. The main applications of SBR include automotive parts and mechanical rubber goods. It also has heat aging resistance and delivers good compression set and water resistance. It is often used as a direct replacement for natural rubber, due to its similar characteristics but more economical price tag.

It is the addition of the organic compound styrene that contributes towards SBR’s advantageous strength, abrasion, wear and bonding properties, not to mention its affordability. Styrene-butadiene rubber generally offers superior heat-ageing properties and abrasion resistance than natural rubber. It is widely used in the production of tire tape, hose, wires, cables, medical instruments and various rubber products. It is the largest generic synthetic rubber variety and one of the earliest rubber varieties to achieve industrial production.

  • Guangdong Nandi Yanlong Technology Co., Ltd.
    Low temperature tensile test of rubber materials SBR
    Lab Date： 2022.05.11-05.13 Lab Model：ND158-399
    No. Model Lab Conditions Time Lab Temp Test result Test Diff
    2 SBR60 1 Vulcanization conditions: 12H 23℃ Peak value Disp Str FO Peak value Disp Str FO
    Suface Temp Mold Temp Time Pressure Cap 12H -40℃ 30.75 39.74 2.05 32 -0.97 -1.42 -0.06 +2
    190/195℃ 170/175℃ 45S 8kg/C㎡ 65T 24H -40℃ 34.72 45.7 2.31 31 +4.03 +5.96 +0.26 -1
    2 100 ° 2-hour twice vulcanization. 36H -40℃ 35.72 45.83 2.38 32 +1.00 +0.13 +0.07 +1
    3 Tension machine speed: A is 10 and B is 100 48H -40℃ 35.42 47.25 2.36 32 -0.30 +1.42 -0.02 0
    4 Tension plate:45mm*10mm*0.5mm 96H -40℃ 32.62 41.56 2.17 32 -2.80 -5.69 -0.19 0
    5 Lab temp: 25℃±2℃, humidity 65%±30% Avg 33.846 44.016 2.38 31.8 0.19 0.08 0.03 0.4
    Tabulator：Liu Li Auditor： Zhiming Guo Inspector：Vic Chiu
    一、Note：
    1.peak value:the biggest tension.
    2.Strength：In the tensile test, the maximum tensile stress of the specimen until it breaks.
    3.Displacement：Travel distance from static movement to fracture.

 

Payment method: Pay 30% for deposit,70% before shippment.

Accept US dollars, RMB, if other currencies, please consult before paying.

Term:EXW/FOB/CIF/CFR/DDP

Port: Shen Zhen/Guang Zhou/Ning Bo/Shang Hai

Production Lead Time: 1-1k, 2 days；1k-10k, 7days；above 10k，negotiated.

Package:Export Standard Unified Carton Packaging.

Small quantity is usually shipped by courier.

Bulk quantity ship by air , by sea,by railway

Special service: help find low freight and freight counter-offer

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To create extra value for customers is our enterprise philosophy; buyer growing is our working chase for Wholesale Rubber surrounds, Rubber products, Cone paper used on all kinds of speakers. President of our company, with whole staff, welcomes all buyers to visit our company and inspect. Let us cooperate hand in hand to make a good future.

Our growth depends on the superior equipment, exceptional talents and continuously strengthened technology forces for Wholesale products which will supply to all over the world. Upon today, we have customers from all over the world. The mission of our company is to provide the highest quality products with best price. We are looking forward to doing business with you!

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High reputation 8Edge Folded Ring - SBR Rubber surround used on loudspeaker-1inch-21inch – Nandi Yanlong detail pictures

High reputation 8Edge Folded Ring - SBR Rubber surround used on loudspeaker-1inch-21inch – Nandi Yanlong detail pictures

High reputation 8Edge Folded Ring - SBR Rubber surround used on loudspeaker-1inch-21inch – Nandi Yanlong detail pictures

High reputation 8Edge Folded Ring - SBR Rubber surround used on loudspeaker-1inch-21inch – Nandi Yanlong detail pictures

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Persisting in "High good quality, Prompt Delivery, Aggressive Price", we've established long-term cooperation with shoppers from each overseas and domestically and get new and previous clients' high comments for High reputation 8Edge Folded Ring - SBR Rubber surround used on loudspeaker-1inch-21inch – Nandi Yanlong , The product will supply to all over the world, such as: Angola, Albania, Greenland, They are sturdy modeling and promoting effectively all over the world. Never ever disappearing major functions within a quick time, it's a have to in your case of fantastic good quality. Guided by the principle of Prudence, Efficiency, Union and Innovation. the corporation. ake an excellent efforts to expand its international trade, raise its organization. rofit and raise its export scale. We've been confident that we've been going to have a bright prospect and to be distributed all over the world in the years to come.
    • Speaking of this cooperation with the Chinese manufacturer, I just want to say"well dodne", we are very satisfied.
    5 Stars By Christopher Mabey from Turkey - 2017.03.28 12:22
    Managers are visionary, they have the idea of "mutual benefits, continuous improvement and innovation", we have a pleasant conversation and Cooperation.
    5 Stars By Diana from Toronto - 2017.09.28 18:29
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