The system has many features, such as low density, high strength, good rheology, good compatibility with other additive and simple construction etc.
该体系具有密度低、强度高、流变性好、与外加剂配伍好、地面与井下密度一致、施工简便等优点。
LDPE (Low Density Polyethylene) : Offers such advantage as tear strength and high chemical resistance. It is also waterproof.
(低密度聚乙烯)：具有以下优良性质：高撕裂强度，高耐化学性，防水性。
The ceramic-metal composite materials have the advantages of high hardness, strength, toughness and low density, and are widely used in bulletproof field.
陶瓷-金属复合材料具备高硬度、高强度、高韧性以及低密度的优点，已被广泛应用于防弹领域。
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