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醫(yī)療級TPE, TPE 60A, 耐紫外光

 

Dynaflex™ G2703C

熱塑性彈性體

 

普立萬公司

 

Technical Data

 

產(chǎn)品說明

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 

 

總覽

材料狀態(tài) • 已商用：當(dāng)前有效

資料 1 • Technical Datasheet

搜索 UL 黃卡 •  普立萬公司

• Dynaflex™

供貨地區(qū) • 北美洲 • 拉丁美洲

• 非洲和中東 • 亞太地區(qū)

特性 • 低摩擦系數(shù) • 良好的著色性 • 耐紫外光性能，良好

• 可回收材料 • 耐臭氧性能 • 脫模性能良好

用途 • 包覆成型 • 柔軟觸感應(yīng)用 • 消費品應(yīng)用領(lǐng)域

• 個人護(hù)理 • 透明或半透明配件

機構(gòu)評級 • FDA 未評級 2

RoHS 合規(guī)性 • RoHS 合規(guī)

外觀 • 半透明

形式 • 粒子

加工方法 • 擠出 • 注射成型

物理性能 額定值單位制 測試方法

密度 / 比重 0.898g/cm³ ASTM D792

熔流率（熔體流動速率） ASTM D1238

190°C/2.16 kg 4.0g/10 min

200°C/5.0 kg 25g/10 min

收縮率 - 流動 0.90 到 1.5% ASTM D955

彈性體 額定值單位制 測試方法

拉伸應(yīng)力 4, 5 ASTM D412

100%應(yīng)變, 23°C 2.14MPa

300%應(yīng)變, 23°C 3.54MPa

抗張強度 4, 5 (斷裂, 23°C) 7.38MPa ASTM D412

伸長率 4, 5 (斷裂, 23°C) 700% ASTM D412

撕裂強度 31.5kN/m ASTM D624

壓縮永久變形 (23°C, 22 hr) 21% ASTM D395B

硬度 額定值單位制 測試方法

肖氏硬度 (邵氏 A, 10 秒) 60 ASTM D2240

充模分析 額定值單位制 測試方法

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

補充信息

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

熱塑性彈性體

 

普立萬公司

注射 額定值單位制

料筒后部溫度 160 到 177°C

料筒中部溫度 171 到 188°C

料筒前部溫度 177 到 216°C

射嘴溫度 177 到 216°C

模具溫度 16 到 38°C

背壓 0.00 到 1.03MPa

螺桿轉(zhuǎn)速 40 到 100rpm

注射說明

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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