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河南 Shenma PA66 EPR27LS injection molding grade medium viscosity belt lubricated substitute DuPont 101L belt connectors raw materials
河南 Shenma PA66 EPR27LS injection molding grade medium viscosity belt lubricated substitute DuPont 101L belt connectors raw materials
主营河南 Shenma PA66 EPR27LS raw materials, medium viscosity belt lubricated, easy demolding, injection molding excellent, comply with ROHS environmental standard, can substitute DuPont 101L, rise 德 21SPC. in stock 库存充足, suitable for belt, connectors, line ring framework, electronic 端子, can provides material data and 实时报价.
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Basic Parameters

PA66 EPR27LS 河南 Shenma nylon 高 performance engineering plastics

核心定位

PA66 EPR27LS is 河南 Shenma nylon 旗下 高 performance polyamide (PA) 66 Model ,以 “长链 toughened - weather resistant impact resistant ” is 核心 technology 特征,通过引入 C12~C18 脂肪族长链 binary 胺优化分子结构,并采用纳米 grade elastomer 分散 technology (粒径≤0.2μm)实现 performance 升 grade 。作 is medium viscosity injection molding grade resin ,其兼顾 high toughness and 环境耐久 property ,且采用无 halogen 环保配方,通过欧盟 RoHS 2.0 and REACH SVHC 241 项物质检测,适配新能源车、户外装备、工程机械等对韧 property and weather resistance has 双重要求 场景, is 复杂工况下结构件 优选 material material 。

基础属 property

  • material 质类别:未增强 modified polyamide (PA) 66(PA66),基体 is PA66 resin ,经长链 toughened and weather resistant modified 处理,属于 super tough weather resistant type engineering plastics ;

  • Model 标识含义:“EPR” 代表 super tough modified 系列,“27” is features 代码,“LS” 暗含低 shrinkage or weather resistant 增强属 property ,区别于普通韧 property PA66 Model , featuring 环境适应 property and molding 稳定 property ;

  • 基础物理参数: density 1.12g/cm³(23℃),较常规 PA66 轻 3%;24 小时饱 and water absorption 2.8%,经 hydrolysis resistant modified 处理 improves 潮湿环境稳定 property ; melt flow rate 10.8g/10min(ISO1133),熔点 255℃, is medium viscosity injection molding 提供基础支撑。

核心 performance 优势

✅ mechanical properties : super tough features 贯穿宽温域

依托分子结构设计 and elastomer modified ,该 material material 展现出 excellent 韧 property 表现:23℃下简支梁 notched impact strength 达 85kJ/m²,即使 in -40℃低温环境 in , impact 强 degree 仍能保持 55kJ/m²,保持率 ultra- 65%,远 ultra- 普通 PA66 低温脆 property 局限。同时具备均衡 强 degree and 延展 property , tensile strength 72MPa,断裂延伸率 ultra- 200%, flexural modulus 2100MPa(RH60% 环境), in 承受 impact 载荷时不易 cracking ,且能通过形变吸收能量,适配高频振动 and 低温工况。

✅ 环境耐久 property : weather resistant 抗腐双达标

weather resistance 能:经 ISO 4892-3 标准 1500 小时紫外老化测试, Color Difference ΔE<1.5,达到 AA grade 标准,无明显泛黄、龟裂;通过 10 年户外使用模拟认证(Q/SM 608-2024),可满足户外部件长期使用需求;

抗腐蚀 and 耐温循环:1000 小时盐雾测试后强 degree 保持率 ultra- 90%,无表面腐蚀现象; in -40℃~135℃区间完成 1000 次冷热循环后无 cracking ,符合 GMW14872 标准,适配 extreme 端气候 and 腐蚀环境。

✅ heat stabilized performance :适配 in 温工况

material material 熔点稳定 in 255℃左右,0.45MPa 载荷下 heat deflection temperature (HDT) 达 195℃,1.82MPa 载荷下 is 68℃,长期使用 temperature 范围覆盖 -40℃至 120℃,短期可耐受 135℃高温。 in 新能源车电池包、发动机周边等 in 温场景 in ,能保持结构稳定,无明显软化 or performance 衰减,且结晶 performance 经优化, molding 后尺寸不易因 temperature 波动 occurrence 形变。

✅ processing properties : medium viscosity 适配高效 molding

medium viscosity melt flow property 均衡,适配薄 wall 件快速充模,宽 processing 窗口 reduces process 控制难 degree ;采用 Shenma 专利“三 grade 真空脱挥 process ”,残留单体 content ≤0.3%,减少银纹、 bubbles 等缺陷;具备优 good 电气绝缘 property ,体积电阻率 1.3×10¹⁴Ω・cm,介电强 degree 17.3kV/mm。

typical applications 场景

新能源车领域:充电枪锁扣、电池包缓冲支架、发动机舱 line 束夹、底盘电气接口
户外装备领域:智能仪表外壳、风力发电 line 缆夹、户外安防 equipment 支架、门禁外壳
工程机械/轨道交通:液压端盖、高铁减震垫片、工程机械 line 缆保护套、接头
home appliances /消费领域:空调外机支架、电动工具外壳、户外健身器 material 、自行车配件

processing process 规范

  • 干燥处理:未开封可直接使用;开封后 85℃热风干燥 4-6 小时,高湿环境需 105℃真空干燥 12 小时,含水率≤0.15%

  • material 筒 temperature :260-290℃,严禁 ultra- 过 300℃防止分解

  • mold temperature :建议 80℃,薄 wall 件需退火稳定尺寸

  • injection pressure :750-1250bar,高速填充 improves 效率

  • 螺杆建议:压缩比 2.6-2.8 开放式螺杆,防止剪切过热

本文档 is PA66 EPR27LS 官方 grade 产品介绍,仅供选 type and process 参考

⚙️ injection molding processing 参数参考
melt temperature 范围
270-300°C
mold temperature
60-90°C
drying conditions
80°C / 4-6h
injection pressure
80-130 MPa
molding shrinkage
1.0-2.0%
processing 备注
熔点高260°C,结晶快
🧪 化学耐受 performance
优异 ✅矿物油/ lubricated 脂燃 material 油液压油弱碱醇类醚类
good 好 ✔洗涤 agent芳香烃(短期)弱酸
受限 ⚠强酸酚类甲酸
避免 ❌浓硫酸浓盐酸甲酸(溶解)强碱浓液
🌟 material material 优势
PA66( nylon 66 (PA66) / polyamide 66 ) is nylon 家族 in heat resistant property and mechanical properties 最 excellent 品种,熔点260°C, tensile strength 70-90MPa。PA66广泛 used for 汽车、电子电气、工业机械等领域, is 轻量化替代金属 首选 engineering plastics 。
📦 储存 and 处理建议
PA66 resin 具 has 强 moisture absorption property (平衡含水率2.5%),必须储存 in 干燥、密封 环境 in 。 processing 前80°C干燥4-6小时(除湿干燥机必须),含水率控制 in 0.1%以下。含水率过高会导致 processing 时 occurrence bubbles 、银纹,严重 reduces 制品 mechanical properties 。
更多 engineering plastics Model 请访问daoqinsh.com |  数据仅供参考,以原厂TDS is 准
📐 详细物 property 参数表
测试项目典 type 值测试标准单位
density1.13-1.15ASTM D792g/cm³
相对 viscosity (RV)2.4-3.2乌氏 viscosity 法
melt temperature255-265ASTM D3418°C
tensile strength (干态)70-90ASTM D638MPa
tensile strength (调湿态)55-70ASTM D638MPa
断裂伸长率(干态)30-100ASTM D638%
flexural modulus (干态)2800-3200ASTM D790MPa
flexural strength (干态)100-130ASTM D790MPa
悬臂梁缺口 impact (干态)50-80ASTM D256J/m
洛氏 hardnessR118-R125ASTM D785
heat deflection temperature (HDT) (0.45MPa)220-250ASTM D648°C
heat deflection temperature (HDT) (1.8MPa)80-100ASTM D648°C
line property thermal expansion coefficient50-70ASTM D69610⁻⁶/°C
体积电阻率>10¹²ASTM D257Ω·cm
介电强 degree15-25ASTM D149kV/mm
friction coefficient0.1-0.3ASTM D1894
磨耗量(Taber,1000g)5-15ASTM D1044mg
water absorption (24h/饱 and)1.5/2.5ASTM D570%
molding shrinkage1.0-2.0ASTM D955%
UL94 flame retardant ratingV-2UL 94
* 以上数据 is 典 type 参考值,具体以原厂TDS is 准
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Product Features

  • 河南 Shenma PA66 EPR27LS injection molding grade medium viscosity belt lubricated substitute DuPont 101L belt connectors raw materials Properties, 河南 Shenma PA66 EPR27LS injection molding grade medium viscosity belt lubricated substitute DuPont 101L belt connectors raw materials Product Parameters, 河南 Shenma PA66 EPR27LS injection molding grade medium viscosity belt lubricated substitute DuPont 101L belt connectors raw materials Performance Data, 河南 Shenma PA66 EPR27LS injection molding grade medium viscosity belt lubricated substitute DuPont 101L belt connectors raw materials Factory Report, MSDS, Material Safety Data Sheet, UL Yellow Card, SGS Report, RoHS, Food Grade Certification, NSF Drinking Water Standard, Product Information, Product Performance, Factory Report, Original Packaging, Authorized Distributor, Heat Deflection Temperature, Melt Index, Flow Coefficient, Impact Resistance, Impact Strength, Low Temperature Toughness, Low Temperature Impact Resistance, Melt Flow Rate, Processing Technology, Processing Parameters, Processing Temperature, EU RoHS, German FDA, US FDA, Japan FDA

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