美国杜邦PA66 E51HSB批发 货源充足
价格：26.00起
产品规格：
产品数量：
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关 键 词：E51HSB批发,美国杜邦PA66
行 业：塑料 通用/工程塑料 工程塑料
发布时间：2021-07-07
创立于 1802 年的美国的一家公司是一家科学研究公司，凭着自主创新的商品、原材料和服务项目，为全世界销售市场出示国际级的科学研究和工程项目工作能力，帮助解决各种各样国际性挑战，包含为全世界全国各地的大家出示充裕健康的食物、降低对不可再生资源的依靠，及其维护性命与自然环境，让全世界全国各地的大家日常生活得更幸福、更安全性和更健康。杜邦公司的业务流程遍布全世界90好几个国家和地区，以普遍的产品创新和服务项目涉及到农牧业与食品类、房屋与工程建筑、通信和交通出行、电力能源与微生物运用高新科技等诸多行业
PA66的发展：PA66在40年末期美国DoPont公司实现PA66工业化生产,目前世界上尼龙树脂按结构分大约有20多种，商号达800馀种。以尼龙大分子中重复单元的碳原子数目来确定其产品名称，通式可写尼龙或PA。有PA6、PA66、PA11、PA12、PA610、PA612、PA1010、PA46、PA6T、PA9T等。其中以品种PA6、PA66为主，二者约占PA工程塑料总量的92%左右。
PA66加工的流道和浇口:由于 PA66 的凝固时间很短，因此浇口的位置非常重要。浇口孔径不要小于 0.5*t（这里 t 为塑件厚度）。如果使用热流道，浇口尺寸应比使用常规流道小一些， 因为热流道能够帮助阻止材料过早凝固。如果用潜入式浇口，浇口的小直径应当是0.75。
Basic physical properties of PA66: PA66 is still the most important variety. The melting point, tensile strength, bending strength and hardness of PA66 are the highest in the nylon fily, so it is widely used in various fields. It can also maintain strong strength and stiffness at higher temperature. The melting point of PA66 is 260 ℃; it is a semi crystalline crystalline material. PA66 is resistant to many soents, but weak to acids and other Chlorinators. The shrinkage of PA66 is between 1% and 2%, which can be reduced to 0.2% - 1% by adding gss fiber additive. PA66 has low viscosity, so it has good fluidity. This property can be used to process very thin components. Its viscosity is sensitive to temperature changes. It still has hygroscopicity after molding, and its degree mainly depends on the comition of the material, wall thickness and environmental conditions. The influence of Hygroscopicity on geometric stability must be considered in product design.
PA66 processing mold temperature: recoended 80 ℃. Mold temperature will aff the crystallinity, which will aff the physical properties of the product. For thin-walled pstic parts, if the mold temperature is lower than 40 ℃, the crystallinity of the pstic parts will change with time. In order to maintain the geometric stability of the pstic parts, annealing treatment is needed.
Application fields of PA66:
1. It is widely used in machinery, instrumentation, automobile parts, elronic and elrical, railway, household appliances, counication, textile machinery, sports leisure goods, oil pipe, oil tank and some precision engineering products.
2. Elrical and elronic equipment: connor, reel, timer, cover circuit breaker, switch housing base
Automobile: radiator n, door handle, fuel tank cover, air intake grille, water tank cover, lp holder
3. Industrial parts: chair seat, bicycle fre, skate base, textile shuttle, pedal, slide conveyor
