The Universal Selection Source: Plastics & Elastomers
A SpecialChem Client is seeking to remove solid fat such as triglycerides from fabric substrates such as cotton and polyester at temperatures below 25°C in a liquid environment.
Proprietary active packaging technology was developed for extending the shelf life of postharvest horticultural products. The technology can be incorporated into conventional packa...
A SpecialChem Client requires a technology that delivers an instant optical blurring effects on the skin, i.e. immediately reduces the appearance of fine lines, pores and blemishes...
A SpecialChem Client is seeking a thin film polymer barrier to spray coat into metal beverage and food cans at high speed. This polymer barrier must be resistant to mechanical bend...
This technology allows selective separation of metals from solid or liquid mixtures. Given the nature of this technology, it can be tailored to separate specific elements. Industri...
Halogen-free Flame Retardants: Optimal Selection for better Performance
Mar 3, 2015
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Physical Chemistry for a Good Start in Problem Solving (Part 2)
Mar 5, 2015
Hot Melts Optimization for Quality at Lower Costs
Mar 10, 2015
Creativity with Plastics
Green and bio-plastics
High Heat Materials
Some polymers have a natural tendency to absorb water. This leads to changes in dimensions as well as in mechanical and electrical performance. This represents the % weight gain of a plastic specimen due to water absorption after immersion in distilled water during 24 hours at 23°C. Two other testing procedures are possible: Water Absorption at saturation (measurement occurs when the polymer does not absorb water anymore); and Water Absorption at Equilibrium (specimens are exposed to a humid environment -- generally at 50% relative humidity -- at a specified temperature -- 23°C or 73.4°F -- for 24 hours).
Most widely used standards to measure Water Absorption in plastics are ASTM D570 and ISO 62.
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