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Introduction
Common plastic packaging includes plastic box, calcium plastic box, plastic barrel, plastic bottle, plastic hose, plate, box, plastic film bag, composite plastic film bag, plastic woven bag, foam plastic bag, etc. Applicable to food, pharmaceuticals, textiles, hardware products, various equipment, clothing, daily necessities and other packaging.
Testing products
[related packaging materials]
Polyethylene (PE, LDPE, HDPE, LLDPE, EPE), Polypropylene (PP), Polystyrene (PS)
PVC, PET, PVDC, PA
Polyvinyl alcohol (PVA), ethylene-vinyl acetate copolymer (EVA), polycarbonate (PC), polyurethane (PVP)
Bakelite (PE), UF (UF), melamine (ME)
[Specific packaging materials]
Plastic films: Low-density polyethylene (LDPE), high-density polyethylene (HDPE), polypropylene (PP) and polyvinyl chloride (PVC) materials.
Plastic bottles, barrels, cans and hose containers: The materials used are mainly high- and low-density polyethylene and polypropylene, and also resins such as polyvinyl chloride, polyamide, polystyrene, polyester, and polycarbonate.
Cups, boxes, trays, boxes and other containers: Foamed or non-foamed sheets of high- and low-density polyethylene, polypropylene, and polystyrene for food packaging.
Shock-absorbing cushioning materials: Foams made of polystyrene, low-density polyethylene, polyurethane and polyvinyl chloride.
Sealing material: sealant, cap liner, gasket, etc., used as sealing material for barrels, bottles, and cans.
Ribbon material: strapping tape, tear film, adhesive tape, rope, etc. Strips of polypropylene, high density polyethylene, or polyvinyl chloride are oriented uniaxially.
Composite flexible packaging materials: flexible packaging, aluminized film, iron core wire, aluminum foil composite film, vacuum aluminized paper, composite film, composite paper, BOPP, etc.
Test items:
1. Physical Properties: Apparent Density Transmittance Haze Yellow Index Whiteness Swelling Ratio Moisture Content Acid Value Hardness;
2. Mechanical properties: impact properties, tensile properties, bending properties, electrical properties, abrasion resistance, low temperature properties, elastic properties, tear properties, etc.;
3. Combustion performance: Vertical combustion Ignition temperature Oxygen index Horizontal combustion Hot rods;
4. Thermal properties: Heat distortion temperature Thermal decomposition temperature Vicat softening point High-low temperature impact Glass transition temperature Melting temperature;
5. Aging performance: ozone UV aging salt fog aging Xenon lamp aging carbon arc lamp aging halogen lamp life prediction and so on;
6. Applicability: thermal conductivity, corrosion resistance, low temperature resistance, insulation performance, moisture permeability, food and drug safety and health performance;
7. Chemical resistance: oil resistant to gasoline, acid resistance, alkali resistance, water resistance, organic solvents, and cleaning agents;
8. Test of hazardous substances: Soluble heavy metals Orthophthalic plasticizers Formaldehyde REACH ROHS et al;
9. Analysis items: Component analysis Principal component analysis Comparative analysis Unknowns analysis Atlas analysis Failure analysis Full-component analysis Material identification Formula reduction.