旭化成POM 5013A

旭化成POM 5013A---5013a is a POM homopolymer,. It is available in North America, Africa and the Middle East, Europe or Asia Pacific. Tenac ™  Applications of 5013a include engineering / industrial accessories, housing and automotive industries.
Features include:
Homopolymer
Good dimensional stability
Good UV resistance
Good weather resistance
Medium viscosity

Physical performance rating unit system test method
Specific gravity: 1.42 g / cm? ASTM D792, ISO 1183
Melt flow rate (melt flow rate) (190 ° C / 2.16 kg) 22 g / 10 min ISO 1133
Shrinkage - flow 1.8 to 2.2% internal method
Water absorption (23 ° C, 24 hr, 50% RH) 0.20% ASTM D570
Hardness rating unit system test method
Rockwell hardness ASTM d785
Grade m 94 ASTM d785
Grade r 120 ASTM d785
Mechanical properties rating unit system test method
Tensile modulus 3100 MPa ISO 527-2
Tensile stress
Yield: 71.0 MPa ISO 527-2
--69.0MPaASTM D638
Elongation (break) 30% ASTM D638, ISO 527-2
Bending modulus
--2950MPaASTM D790
--2900MPaISO 178
Bending strength 101 MPa ASTM D790
Taber abrasion resistance: 13.0 mg ASTM d1044
Impact performance rating unit system test method
Notched impact strength of simply supported beam: 8.0 kJ / M? ISO 179
Notched impact strength of cantilever beam 69 J / M ASTM D256

POM的极限氧指数仅为15%，是较易燃烧的塑料品种。POM作为工程塑料被广泛用于汽车、电子电气和建材等领域,这些领域对材料的阻燃性要求较高。因POM与其它材料相容性差，通过直接添加阻燃剂难以制备性能优良的阻燃POM。日本旭化成工业株式会社为一种阻燃聚甲醛**延伸体申请了**。这种阻燃聚甲醛**延伸体是通过在**延伸聚甲醛上涂偏二氯乙烯聚合物胶乳或这种胶乳与金属氧化物或氢氧化物的混合物而制得的。每克聚甲醛涂0.2—0.5g，得到一个连续的涂膜, 氧指数大于40, 流动温度大于100℃ 。