医疗级TPE, TPE 60A, 耐紫外光

 

Dynaflex™ G2703C

热塑性弹性体

 

普立万公司

 

Technical Data

 

产品说明

Dynaflex™ G2703C is an easy processing TPE designed for injection molding and extrusion applications that require FDA compliance and a low coefficient of friction.

• Adhesion to Polypropylene 

• Excellent Colorability 

• Improved Mold Release 

• Rubbery Feel 

• Soft Touch 

 

总览

材料状态 • 已商用：当前有效

资料 1 • Technical Datasheet

搜索 UL 黄卡 •  普立万公司

• Dynaflex™

供货地区 • 北美洲 • 拉丁美洲

• 非洲和中东 • 亚太地区

特性 • 低摩擦系数 • 良好的着色性 • 耐紫外光性能，良好

• 可回收材料 • 耐臭氧性能 • 脱模性能良好

用途 • 包覆成型 • 柔软触感应用 • 消费品应用领域

• 个人护理 • 透明或半透明配件

机构评级 • FDA 未评级 2

RoHS 合规性 • RoHS 合规

外观 • 半透明

形式 • 粒子

加工方法 • 挤出 • 注射成型

物理性能 额定值单位制 测试方法

密度 / 比重 0.898g/cm³ ASTM D792

熔流率（熔体流动速率） ASTM D1238

190°C/2.16 kg 4.0g/10 min

200°C/5.0 kg 25g/10 min

收缩率 - 流动 0.90 到 1.5% ASTM D955

弹性体 额定值单位制 测试方法

拉伸应力 4, 5 ASTM D412

100%应变, 23°C 2.14MPa

300%应变, 23°C 3.54MPa

抗张强度 4, 5 (断裂, 23°C) 7.38MPa ASTM D412

伸长率 4, 5 (断裂, 23°C) 700% ASTM D412

撕裂强度 31.5kN/m ASTM D624

压缩永久变形 (23°C, 22 hr) 21% ASTM D395B

硬度 额定值单位制 测试方法

肖氏硬度 (邵氏 A, 10 秒) 60 ASTM D2240

充模分析 额定值单位制 测试方法

表观粘度 (200°C, 11200 sec^-1) 10.7Pa·s ASTM D3835

补充信息

Dynaflex™ G2703C can be recycled as a filler or impact modifier for polyolefins, or can be recycled by grinding and reintroduction to the molding process. Similar to PP or PE recycling process, if separated appropriately, it can be recycled many times.

 

Municipality waste stream recycle code is "7" which is designated for "Other".

 

Please contact GLS Thermoplastic Elastomers for a copy of our Recyclability Compliance letter.

 

Dynaflex™ G2703C

热塑性弹性体

 

普立万公司

注射 额定值单位制

料筒后部温度 160 到 177°C

料筒中部温度 171 到 188°C

料筒前部温度 177 到 216°C

射嘴温度 177 到 216°C

模具温度 16 到 38°C

背压 0.00 到 1.03MPa

螺杆转速 40 到 100rpm

注射说明

Color concentrates with polypropylene (PP), ethylene vinyl acetate (EVA), or low density polyethylene (LDPE) carriers are most suitable for coloring Dynaflex™ G2703C. Improved color dispersion can be achieved by using higher melt flow concentrates (with a melt flow from 25 - 40 g/10 min). Typical loadings for color concentrates are 1% to 5% by weight. Liquid color can be used, but mineral oil based carriers may have a significant effect on the final hardness value. Concentrates based on PVC should not be used. A high color match consistency can be obtained by using precolored compounds available from GLS. The final determination of color concentrate suitability should be determined by customer trials.

 

Purge thoroughly before and after use of this product with a low flow (0.5 - 2.5 MFR) polyethylene (PE) or polypropylene (PP).

 

Dynaflex™ G2703C has excellent melt stability. Maximum residence times may vary, depending on the size of the barrel. Generally, the barrel should be emptied if it is idle for periods of 8 - 10 minutes or longer.

 

Regrind levels up to 20% can be used with Dynaflex™ G2703C with minimal property loss, provided that the regrind is free of contamination. To minimize losses during molding, the melt temperature should remain as low as possible. The final determination of regrind effectiveness should be determined by the customer.

 

Drying is not Required

 

Injection Speed: 1 to 5 in/sec

1st Stage - Boost Pressure: 200 to 600 psi 2nd Stage - Hold Pressure: 70% of Boost Hold Time (Thick Part): 4 to 10 sec

Hold Time (Thin Part): 1 to 3 sec

 

 

 

 

 

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