佳 盼 塑 胶
JIA PAN SU JIAO
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POM XT 20 柔韧性良好,抗撞击改良
HOSTAFORM XT 20 | POM | Impact Modified
Description
Preliminary Data Sheet
Hostaform® acetal copolymer grade XT 20 is highly impact modified grade for very demanding applications. Hostaform® XT 20 provides exceptional impact strength and flexibility over standard impact modified acetal grades.
Chemical abbreviation according to ISO 1043-1: POM-HI
|
ISO Data |
Mechanical properties |
Value |
Unit |
Test Standard |
|
Phys |
Density |
1330 |
kg/m³ |
ISO 1183 |
|
Melt volume rate (MVR) |
1 |
cm³/10min |
ISO 1133 |
|
|
MVR test temperature |
190 |
℃ |
ISO 1133 |
|
|
MVR test load |
2.16 |
kg |
ISO 1133 |
|
|
Mold shrinkage - parallel |
1.4 |
% |
ISO 294-4 |
|
|
Mold shrinkage - normal |
1.2 |
% |
ISO 294-4 |
|
|
Water absorption (23℃-sat) |
0.8 |
% |
ISO 62 |
|
|
Mech |
Mechanical properties |
Value |
Unit |
Test Standard |
|
Tensile modulus (1mm/min) |
1200 |
MPa |
ISO 527-2/1A |
|
|
Tensile stress at yield (50mm/min) |
35 |
MPa |
ISO 527-2/1A |
|
|
Tensile strain at yield (50mm/min) |
25 |
% |
ISO 527-2/1A |
|
|
Flexural modulus (23℃) |
1100 |
MPa |
ISO 178 |
|
|
Charpy impact strength @ 23℃ |
NB |
kJ/m² |
ISO 179/1eU |
|
|
Charpy impact strength @ -30℃ |
NB |
kJ/m² |
ISO 179/1eU |
|
|
Charpy notched impact strength @ 23℃ |
100 |
kJ/m² |
ISO 179/1eA |
|
|
Charpy notched impact strength @ -30℃ |
15 |
kJ/m² |
ISO 179/1eA |
|
|
Therm |
Thermal properties |
Value |
Unit |
Test Standard |
|
Melting temperature (10℃/min) |
166 |
℃ |
ISO 11357-1,-2,-3 |
|
|
DTUL @ 1.8 MPa |
64 |
℃ |
ISO 75-1/-2 |
|
|
DTUL @ 0.45 MPa |
124 |
℃ |
ISO 75-1/-2 |
|
|
Coeff.of linear therm. expansion (parallel) |
1.2 |
E-4/℃ |
ISO 11359-2 |
|
|
Coeff.of linear therm. expansion (normal) |
1.2 |
E-4/℃ |
ISO 11359-2 |
|
|
SpecProd |
Test specimen production |
Value |
Unit |
Test Standard |
|
Processing conditions acc. ISO |
9988-2 |
- |
Internal |
Processing
Pre Drying
Drying is suggested specially if material has come in contact with moisture through storage, handling or regrind use. Dry to prevent splay and odor problems.
Drying time (h)：3
Drying temperature (℃)：80 - 100
