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Crayons
“Crayons are a type of stationery commonly used by children for drawing and decoration. The main ingredients of crayons are paraffin wax and pigment, similar to oil pastel.“ 1 – Raw materials: Paraffin wax (or beeswax, carnauba wax): act as substrate which provides a solid stick, easy to hold, less messy. Pigments: inorganic (oxides, metal…
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Basic of supply chain management
“This post shows a summarizd knowledge from Essentials of Supply Chain Management, 3rd ed. written by Michael Hugos, author.” 1 – Key Concepts of Supply Chain Management A supply chain is the network from suppliers → production → warehouses/distribution → retail → customers. The goal is to reduce cost, improve responsiveness, and enhance customer service.…
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Paper Packaging
“The paper packaging is an eco-friendly, versatile solution widely used across industries. With developments in coatings and laminates, paper can combine sustainability with functionality, making it central to the future of packaging.” 1. Introduction Paper is one of the oldest and most versatile packaging materials. Used for food, beverages, pharmaceuticals, cosmetics, household goods, and industrial…
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Labels
1. Factors in Label Selection Labels serve as a key communication tool with customers: promoting brand image, giving product/usage details, or even health/beauty claims. Cost (materials, printing, conversion, logistics). Durability & sustainability (scratch resistance, recyclability, removability). Production flexibility (line changeover speed, run length). Application needs (adhesion, temperature, chemical resistance). Format & security (booklets, tamper-evident, holograms,…
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Food Preservation & Packaging Technology
1. Packaging Machinery and Line Operations Straight-line: simple, flexible, but slower. Rotary: faster, precise, but costly and harder to maintain. Unscramblers: Prepare containers (metal, glass, plastic) by depalletizing, cleaning, and sterilizing before filling. Filling: Techniques vary by product (solid, powder, liquid). Methods include filling by weight, volume, or count. Special technologies address foaming, viscosity, and…
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Glass Packaging
“This post is a summary version of the article below, for more details see the attached file.” 1. Background for Glass Packaging Glass is 100% recyclable and can be reused infinitely without quality loss. Advantages: strong, durable, chemically inert, impermeable to gas/water, ideal for long-term storage. Disadvantages: brittle, heavy, sensitive to thermal shock, possible ion…
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Perfume
“A basic technical knowledge sharing“ What is the perfume? Perfume is a mixture of essential oils, fixatives and solvents, designed to impart a pleasing scent aimed at: Create a personal mark and hide body odor Stimulate emotions and memories Used in beauty, enhancing style Other applications such as personal care & therapy, consumer goods, space.…
Lan Pham _ ENG
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