Factory wholesale Horn Folded Ring Edge - SBR Rubber surround used on loudspeaker-1inch-21inch – Nandi Yanlong

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Good quality To start with,and Purchaser Supreme is our guideline to offer the top service to our customers.Presently, we've been seeking our best to be amongst the top exporters inside our industry to fulfill consumers extra need to have for 6"Foam Surround Repair Kit , 11"Horn Surround Repair Kit , 7"Horn Surround Repair Kit , We warmly welcome clients from all around the world for almost any sort of cooperation with us to build a mutual advantage potential. We've been devoting ourselves wholeheartedly to supply consumers the very best company.
Factory wholesale Horn Folded Ring Edge - 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!


Product detail pictures:

Factory wholesale Horn Folded Ring Edge - SBR Rubber surround used on loudspeaker-1inch-21inch – Nandi Yanlong detail pictures

Factory wholesale Horn Folded Ring Edge - SBR Rubber surround used on loudspeaker-1inch-21inch – Nandi Yanlong detail pictures

Factory wholesale Horn Folded Ring Edge - SBR Rubber surround used on loudspeaker-1inch-21inch – Nandi Yanlong detail pictures

Factory wholesale Horn Folded Ring Edge - SBR Rubber surround used on loudspeaker-1inch-21inch – Nandi Yanlong detail pictures


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All we do is always associated with our tenet " Customer first, Trust first, devoting on the food packaging and environmental protection for Factory wholesale Horn Folded Ring Edge - SBR Rubber surround used on loudspeaker-1inch-21inch – Nandi Yanlong , The product will supply to all over the world, such as: Egypt, Florida, Georgia, Our company always concentrate on the development of the international market. We have a lot of customers in Russia , European countries, the USA, the Middle East countries and Africa countries. We always follow that quality is foundation while service is guarantee to meet all customers.
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    5 Stars By Jane from South Africa - 2017.02.14 13:19
    The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!
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