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POM LU-02 抗紫外线,光泽低

添加时间:2013-05-30  信息来源:http://www.simibc.com/  作者:苏州希普能塑料
泰科纳POM LU-02
 
CELCON® LU02 CC34200 CF GRAY NH361L
CELCON® LU02 CC34579 ATLAS GRAY NH598L
CELCON® LU02 CC34764 TITANIUM YR233L
CELCON® LU02 CD34202 GRAPHITE BLACK NH16
CELCON® LU02 CD34679 BLACK
CELCON® LU02 CF2001 NATURAL
CELCON® LU02 CJ34520 TU GREEN G65L
CELCON® LU02 CV34776 SIENNA BEIGE YR400L
CELCON® LU02 CY34201 MED TAUPE YR164L
CELCON® LU02 CY34523 TU BEIGE YR308L
 
CELCON LU-02 | POM | UV Resistant
 
Description
Celcon® acetal copolymer grade LU-02 is UV stabilized material displaying a reduced gloss over standard UV acetal grades.
 
Other Processing
Injection Molding
Standard reciprocating screw injection molding machines with a high compression screw (minimum 3:1 and preferably 4:1) and low back pressure (0.35 Mpa/50 PSI) are favored. Using a low compression screw (I.E. general purpose 2:1 compression ratio) can result in unmelted particles and poor melt homogeneity. Using a high back pressure to make up for a low compression ratio may lead to excessive shear heating and deterioration of the material.
 
Use a slow injection speed until material passes through the gate.  
 
Melt Temperature: Preferred range 180-195℃ (~356-~383℉). Melt temperature should never exceed 230℃ (450℉).
 
Mold Surface Temperature: Preferred range 80-105℃ especially with wall thickness less than 1.5 mm (0.060 in.). May require mold temperature as high as 120℃ (250℉) to reproduce mold surface or to assure minimal molded in stress. In general, mold surface temperatures lower than 82℃ (180℉) may produce a hazy surface or a surface with flow lines, pits and other included defects.
 
ISO Data Mechanical properties Value Unit Test Standard
Phys Density 1390 kg/m³ ISO 1183
Melt volume rate (MVR) 20 cm³/10min ISO 1133
MVR test temperature 190 ISO 1133
MVR test load 2.16 kg ISO 1133
Mold shrinkage - parallel 1.9 % ISO 294-4
Mold shrinkage - normal 1.6 % ISO 294-4
Mech Mechanical properties Value Unit Test Standard
Tensile modulus (1mm/min) 2530 MPa ISO 527-2/1A
Tensile stress at yield (50mm/min) 56 MPa ISO 527-2/1A
Tensile strain at yield (50mm/min) 9 % ISO 527-2/1A
Nominal strain at break (50mm/min) 11 % ISO 527-2/1A
Flexural modulus (23℃) 2500 MPa ISO 178
Charpy notched impact strength @ 23℃ 3.7 kJ/m² ISO 179/1eA
Charpy notched impact strength @ -30℃ 3.7 kJ/m² ISO 179/1eA
Therm Thermal properties Value Unit Test Standard
Melting temperature (10℃/min) 167 ISO 11357-1,-2,-3
DTUL @ 1.8 MPa 90 ISO 75-1/-2
SpecProd Test specimen production Value Unit Test Standard
Processing conditions acc. ISO 9988-2 - Internal
 
Processing
Pre Drying
Predrying is required before processing to ensure a low gloss finish.
 
Drying time (h):3
Drying temperature (℃):80 - 100
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