HS code:
3902100090
Melt flow rate:
65~85 g/10min
Grade:
Fiber level /Injection molding grade
Packing:
25 kg/bag
Brand:
SINOPEC
PPH-MN70 products have high melt fluidity and transparency, which is very beneficial for thin-wall injection molding and product quality.PPH-MN70 has relatively high crystallization temperature, which is beneficial to shorten the injection molding time. The oxidation induction time of PPH-MN70 is between the two market brands. The tensile yield strength, bending strength and bending modulus of PPH-MN70 products are significantly higher than those of the two market brands, and the thin-wall injection products produced by injection molding have better stiffness and quality. Other mechanical properties are basically the same to meet the needs of market applications.
Polypropylene raw material PPH-MN70 is mainly used in thin-wall injection molding, and can be processed into fast food boxes, packaging boxes, storage boxes, cups, food containers, and automotive material modification products.
Inspection items | Control indicators | The measured values | Test method for |
Melt mass-flow velocity of solution(MFR)g/10min | 65.0~85.0 | 74.2 | GB/T 3682. 1-2018 |
Granular appearance: Black granules, | 0 | 0 | SH/T 1541. 1-2019 |
color granules and black speckle granules /kg | ≤5 | 0 | |
Big and small, g/kg | report | 3.3 | |
Isometric index %(mass fraction) | 95.0~99.0 | 97.7 | GB/T 2412-2008 |
Ash content, % (mass fraction) | ≤0.030 | 0.025 | GB/T 9345. 1-2008 |
Tensile yield stress, MPa | ＞29.8 | 39.2 | GB/T 1040.2-2006 |
Notched impact strength of tube sorghum (23℃), kJ /M² | ＞1.0 | 1.9 | GB/T 1043.1-2008 |
Molding shrinkage SMP,% Molding shrinkage SMN,% | ≤3.0 | 1.1 | GB/T 17037.4-2003 |
≤3.0 | 1.2 | ||
Bending modulus，MPa | ≥1100 | 2129 | GB/T 9341-2008 |
The following blank | |||
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