Description: SPB681 is a low density polyethylene produced under high pressure technology. Films obtained with this product show excellent 'draw down', good sealability, and low gel content. Additives free. The minimum biobased content of this grade is 95%, determined according to ASTM D6866.
Applications: LLDPE and HDPE blends.
Process: Blown and Cast Film Extrusion. Injection molding.
材料物性
基本信息
特性
低速凝固晶点
可更新资源
良好的剥离性
无 BPA
无添加剂
用途
混合
机构评级
FDA 21 CFR 177.1520
加工方法
薄膜挤出
吹塑薄膜
流延薄膜
注射成型
物理性能
额定值
单位制
测试方法
密度
0.922
g/cm³
ASTM D1505
熔流率（熔体流动速率） (190°C/2.16 kg)
3.8
g/10 min
ASTM D1238
薄膜
额定值
单位制
测试方法
薄膜厚度 - 经测试
38
µm
抗张强度
ASTM D882
MD
: 断裂, 38 µm, 吹塑薄膜
30.0
MPa
ASTM D882
TD
: 断裂, 38 µm, 吹塑薄膜
20.0
MPa
ASTM D882
伸长率
ASTM D882
MD
: 断裂, 38 µm, 吹塑薄膜
370
%
ASTM D882
TD
: 断裂, 38 µm, 吹塑薄膜
1100
%
ASTM D882
落锤冲击 1(38 µm, 吹塑薄膜)
60
g
ASTM D1709
埃尔曼多夫抗撕强度 -
TD (38 µm, 吹塑薄膜)
100
g
ASTM D1922
光学性能
额定值
单位制
测试方法
光泽度 (60°, 吹塑薄膜)
120
ASTM D2457
雾度 (吹塑薄膜)
4.0
%
ASTM D1003
补充信息
额定值
单位制
测试方法
生物质含量
> 95
%
ASTM D6866
Blown Film Properties: Obtained in 75mm extruder, blow up ratio 2:1, die gap 1.0mm and 38µm thickness.Recommended processing conditions:Blown Film ExtrusionEquipment:Screw- relation L/D..........16 to 30:1Compression Ratio.........3 to 4:1Screw Package (Mesh)...40/60/40Temperature Profile:1st zone..................................110°CFrom the screw to the die.........140°CDie...........................................150°CBlow up ratio...................from 2 to 3:1Frostline Height...............at most equivalent to the bubble diameterCast Film ExtrusionEquipment type:Screw - L/D relation..........................at least 20:1Screw...................................................from 180 to 250°CDie.......................................................from 250 to 290°CChill Roll...................40°CInjection MoldingTemperature profile.........................180 to 220°CMold temperature............................5 to 25°C
