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W21, asbestos free with low metallic, based on carbon compounding glass fibers under modified resin, which has wide range tolerance from low to high temperature, long service life, thermal conductance and heat recovery capacity, no noise. 无石棉少金属型，特点：良好的刹车舒适性，耐磨，无噪音，高温稳定性好，较长的使用寿命。

W30, asbestos free with semi-metal, Pan-based carbon composite fibers with semi-metal, which has advantages of high coefficient friction, tough, good thermal conductivity, and high performance in smooth transition of temperature less hear fading, longer life. 无石棉半金属型，特点：高耐磨，耐高温，摩擦系数稳定，刹车舒适，使用寿命长。

Z6, Semi-ceramic with low asbestos fibers. High friction coefficient, high temperature tolerance and less wear ratio. 半陶瓷低石棉型，特点：高温热稳定性好，刹车舒适，无噪音，摩擦系数稳定，耐磨性好, 米黄色。

Z21, Carbon & Aluminum dust mixture with low asbestos, high friction coefficient, high temperature tolerance and thermal conductivity. 半陶瓷低石棉型，特点：高温热稳定性好，刹车舒适，无噪音，摩擦系数稳定，耐磨性好，黑色。

LX, Asbestos free, Ceramic fibers compounding carbon fibers and copper fibers, high strength, high-temperature resistant, fatigue durability, acid and alkali-resistance, etc. 陶瓷复合碳纤维半金属型，特点：耐腐蚀，高热稳定性，高导热性，摩擦系数稳定，高耐磨，适合各种极端路况。

HSK, Asbestos free, Aramid pulp fibers compounding carbon fibers with top quality resin which imported from Germany. It is an innovative material in this the high-tech area. Normally used for OE markets. 芳纶复合碳纤维半金属型，特点：耐酸碱，高热稳定性，高导热性，摩擦系数稳定，高耐磨，适合各种极端路况。