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  • Application Of Bluestar Pbt Resin In Optical Fiber Loose Tube Starester®1230hr - China

    price: contact company for price

    Wechat, Facebook, Twitter, the social media tools make our life much interesting, AliPay(Zhifubao), Didi makes our lifer much easy. In China, most people shopping in the Tmall and JD, more and more companies making money in Alibaba, All behind this, is the booming of Internet, mobile-internet and telecommunication technologies.
    Optical cable, one of the greatest invention in 20th century, is widely used many industries i.e. telecommunication, high-speed train, electric power, becomes the most efficient tool in information transmission and makes all these dreams possible.China, with the largest populations in the world, nowadays, becomes the biggest market of optical cable, also it has the biggest optical cable production capacity in the world. Due to “the Belt and Road Strategy”, the consumption of optical cable is optimistic to be growing in the follow 10 years.
    Recently, Bluestar, the subordinate to ChemChina and one of the Fortune Global 500, has introduced high viscosity Polybutylene Terephthalate (PBT Resin), with a grade name of Starester®1230HR, which is applied in optical fiber loose tube (OFLT) for outdoor optical cable. It had been evaluated and certificated by several top ranked national authoritative institution.
    As a semi-crystalline polymer and the five largest engineering plastics, PBT is widely used in producing OFLT due to its outstanding characteristics like high mechanical strength, thermal resistance, dimensional stability, creep resistance and chemical resistance.
    Starester®1230HR, which has high yield strength, flexible strength, impact strength and Young’s modulus, is suitable for both two main OFLT’s structures, bundle and ribbon cable. The OFLT produced by Starester®1230HR involves excellent axial tension resistance, lateral pressure resistance, impact resistance and also high roundness performances that can provide the best protection for optical fiber.
    Typical Features of Starester®1230HR
    (1) Excellent mechanical strength
    The intrinsic viscosity (IV) of Starester®1230HR is up to 1.30dl/g. For OFLT, the higher IV PBT, the greater strength will obtain. The characteristics of the OFLT produced by Starester®1230HR are as following, yield strength more than 40MPa, elongation at break more than 200%, lateral pressure more than 800N, no white and no crack after bending test.
    (2) Excellent quality stability ensuring the stability of axial posterior shrinking of OFLT
    The IV fluctuation of Starester®1230HR is less than ±0.02 due to excellent processing ability, which represents top level within the PBT industry. The axial posterior shrinking for OFLT produced by Starester®1230HR can not only obtain the requirement of less than |±0.5%|, but also the fluctuation is less than ±0.15 stably.
    (3) Excellent roundness of OFLT due to suitable crystallization behavior.
    The crystallization temperature of Starester®1230HR is up to 185~190℃, it is almost 140℃ higher than the cooling water temperature at 40-50℃. Such difference in temperature is benefit for fast crystallization of OFLT that can prevent the deformation for OFLT during cooling condition. And the ellipticity can be controlled within 0.04.
    (4) Compatible with pigments
    Starester®1230HR has excellent dying properties, and excellent compatibility with pigment or masterbatch. After loose tube dyeing, the pigment will not deposite, which can avoid influence of pigment on fiber gel, and ensure the protective effect of gel on optical fiber.
    (5) Immiscible with fiber gel to ensure the long-term production for OFLT
    (6) Excellent rheological behavior for improving diameter stability.
    (7) Excellent hydrolysis resistance TEL:+86 152 62735491


    Company Contact:


    • Phone: +86 152 62735491

    • Address: 118th JiangGang RD,EDTA, nantong, jiangsu, China

    • Email: Email


    Published date: July 5, 2017 -

    • Business Description: Bluestar, make life better! Bluestar was founded in 1984 in China. Over the past 32 years, Bluestar has achieved leapfrog development, from a small specialized cleaning company to one of the world's top 500 companies we have made impossible to possible that is the business culture of Bluestar. As a leading chemical enterprise in chemical new materials and animal nutrition, Blustar has 58 subsidiaries and 16 scientific research institutes across the globe and its business spreads over 200 countries and regions. Bluestar has always adhered to the principle of common development with its business partners, satisfying the customers’ demand by providing safer and more environment friendly products and services through continues technical innovation.

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