Advantages and applications of PE material packaging bottles

First, the four core advantages of PE material

1. Excellent chemical resistance

• Tolerance pH range 2-12 (according to ASTM D543)

• Oil permeability resistance > 1000 hours (40℃ vegetable oil environmental test)

• Zero penetration of alcohols and weak acid and base solutions (FDA 21 CFR 177.1520 certified)

2. Lightweight economy

• Density is only 0.92-0.96g/cm³, 80% lighter than glass

• 35% reduction in transportation costs (3x increase in the same volume load)

• Injection cycle 8-12 seconds (production efficiency 20% higher than PP)

Second, in-depth analysis of key application areas

1. Daily chemical packaging field

• Shampoo bottle: HDPE material, wall thickness 1.2-1.5mm, extrusion deformation resistance

• Detergent bottle: multi-layer co-extrusion technology for anti-penetration (oxygen permeability < 0.5cm³/m²·day)

• Emulsion bottle: Weight reduction of 15% by micro-foaming process, drop strength to maintain 1.5m

2. Food packaging innovation

• Fresh milk bottle: ultra-clean blow molding technology, the total number of colonies < 10CFU/ml

• Seasoning bottle: drip proof bottle mouth design (residue < 0.1ml)

• Frozen food packaging: low temperature resistance -40℃, no attenuation of impact resistance

3. Pharmaceutical packaging breakthrough

• Eye medicine bottle: medical grade LDPE, transmittance > 90%

• Child safety bottle cap: two-way locking structure (opening force > 5N·m)

• Anti-counterfeiting packaging: laser engraving technology to achieve micron level anti-counterfeiting identification

3. Processing adaptability

• Melt flow rate range 0.1-50g/10min (covering blow molding/injection molding/rotomolding)

• Low temperature impact strength > 8kJ/m² (-30℃ environment test)

• Surface printing adhesion up to Class 4B (hundred-cell test)

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