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HDPE
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日本聚烯烴 軒源塑膠供應
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HD KB171A
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HDPE is a high degree of crystallinity, non-polar thermoplastic resin. High density polyethylene non-toxic, tasbess white particles, odorless, melting point 130 ℃, relative density is 0.941~0.960. It has good heat resistance and cold resistance, good chemical stability, also has high rigidity and toughness, good mechanical strength. Dielectric properties, resistance to environmental stress cracking resistance is also good. The melting temperature of 220~260 ℃. For larger molecules of the material, suggest that melting temperature of 200~250 ℃. High density polyethylene is a kind of white powder granular products, non-toxic, tasbess, density of 0.940 ~ 0.976 g/cm3 range; the crystallinity of 80% ~ 90%, softening point of 125 ～ 135 ℃, temperature can reach 100 ℃; hardness, tensile strength and creep resistance is better than that of low density polyethylene; wear resistance, electrical insulation, toughness and cold resistance are good, but with low density insulating property slightly worse; good chemical stability, under the condition of room temperature, insoluble in any organic solvent, acid, alkali and salt corrosion; permeability to water vapor and air film is small, the water absorption of aging resistance perbance is poor, low; environmental stress cracking resistance as low density polyethylene, especially the thermal oxidation will make the perbance drop, so, resin added antioxidant and UV absorbent to improve this deficiency. High density polyethylene film under stress of hot debation temperature is low, should pay attention to this point application. HDPE是一種結晶度高、非極性的熱塑性樹脂。高密度聚乙烯為無毒、無味、無臭的白色顆粒，熔點約為130℃，相對密度為0.941~0.960。它具有良好的耐熱性和耐寒性，化學穩定性好，還具有較高的剛性和韌性，機械強度好。介電性能，耐環境應力開裂性亦較好。熔化溫度220~260℃。對于分子較大的材料，建議熔化溫度范圍在200~250℃之間。高密度聚乙烯是種白色粉末顆粒狀產品，無毒、無味，密度在0.940～0.976 g/cm3范圍內；結晶度為80%～90%，軟化點為125～135℃，使用溫度可達100℃；硬度、拉伸強度和蠕變性優于低密度聚乙烯；耐磨性、電絕緣性、韌性及耐寒性均較好，但與低密度絕緣性比較略差些；化學穩定性好，在室溫條件下，不溶于任何有機溶劑，耐酸、堿和各種鹽類的腐蝕；薄膜對水蒸氣和空氣的滲透性小、吸水性低；耐老化性能差，耐環境開裂性不如低密度聚乙烯，特別是熱氧化作用會使其性能下降，所以，樹脂需加入抗氧劑和紫外線吸收劑等來提高改善這方面的不足。高密度聚乙烯薄膜在受力情況下的熱變形溫度較低，這一點應用時要注意。
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HDPE
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日本聚烯烴 軒源塑膠供應
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HD KB171A
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HDPE is a polyolefin produced by copolymerization of ethylene thermoplastic. Although HDPE in 1956 has been launched, but the plastic hasn't reached the mature level. This versatile material continues to develop its new uses and markets. China's domestic HDPE (high density polyethylene high density polyethylene here do not include the full density polyethylene device production) producers in the oil, Sinopec, CNOOC three large enterprises, as of the end of 2006, high density polyethylene device belongs to the oil in 4 sets, namely Lanzhou Petrochemical HDPE device, Daqing Petrochemical HDPE device, Liaoyang Petrochemical HDPE device, Jilin Petrochemical HDPE device
高密度聚乙烯通常使用Ziegler-Natta聚合法制造，其特點是分子鏈上沒有支鏈，因此分子鏈排布規整，具有較高的密度。該過程在管式或釜式低壓反應器中以乙烯為原料，用氧或有機過氧化物為引發劑引發聚合反應。
High density polyethylene usually use Ziegler-Natta manufacturing polymerization, which is characterized by no branched chains, therefore molecular chain arrangement of regular, have a higher density. In the process of tubular or kettle type low voltage reactor to ethylene as raw material, with oxygen or organic peroxides as initiators and polymerization.
高密度乙烯屬環保材質，加熱達到熔點，即可回收再利用。須知塑膠原料可大分為兩大類：“熱塑性塑膠”（Thermoplastic）及“熱固性塑膠”（Thermosetting），“熱固性塑膠”是加熱到一定溫度后變成固化狀態，即使繼續加熱也無法改變其狀態，因此，有環保問題的產品是“熱固性塑膠”的產品（如輪胎），并非是“熱塑性塑膠”的產品（如 塑膠棧板 注:棧板在港澳被稱為“夾板”)，所以并非所有“塑膠”皆不環保。
High density polyethylene belongs to the environmental protection material, heating to the melting point, can be recycled. For plastic materials can be divided into two categories: "thermoplastic plastic" (Thermoplastic) and "thermosetting plastic" (Thermosetting) ", thermosetting plastic" is a cured after heated to a certain temperature, even if the heating can not continue to change its state, therefore, environmental problem is the product of the "thermosetting plastic" products (such as tire), is not "thermoplastic plastic" products (such as plastic pallets note: pallets in Hong Kong and Macao is called "splint"), so not all the "plastic" are not environmental protection.
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HDPE
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日本聚烯烴 軒源塑膠供應
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HD KB171A
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High density polyethylene (High Density Polyethylene, referred to as "HDPE"), is a high degree of crystallinity, non-polar thermoplastic resin. The original state of HDPE milky white appearance, with a certain degree of translucent at thin section. PE has excellent chemical resistance properties with the most life and industry. Some kinds of chemicals will produce chemical corrosion, such as corrosive oxidizer (nitric acid) (Er Jiaben), aromatic hydrocarbons and halogenated hydrocarbons (carbon tetrachloride). The polymer is not hygroscopic and has good waterproof steam, and can be used for packing. HDPE has good electrical properties, especially the insulation of high dielectric strength, so it is suitable for wire and cable. Medium to high molecular weight grades with excellent impact resistance, at room temperature even in the -40F low temperature so.
高密度聚乙烯（High Density Polyethylene，簡稱為“HDPE”），是一種結晶度高、非極性的熱塑性樹脂。原態HDPE的外表呈乳白色，在微薄截面呈一定程度的半透明狀。PE具有優良的耐大多數生活和工業用化學品的特性。某些種類的化學品會產生化學腐蝕，例如腐蝕性氧化劑（濃硝酸），芳香烴（二甲苯）和鹵化烴 （四氯化碳）。該聚合物不吸濕并具有好的防水蒸汽性，可用于包裝用途。HDPE具有很好的電性能，特別是絕緣介電強度高，使其很適用于電線電纜。中到高分子量等級具有極好的抗沖擊性，在常溫甚至在-40F低溫度下均如此。
東莞市常平軒源塑膠原料有限公司 專業代理塑膠原料，
聯系人:廖先生
QQ:44581673
TEL:13168406869
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