On May 10, 2018, Northern Ireland issued the Environmental Protection (Plastic Microbeads) (Northern Ireland) Regulation 2018. This regulation prohibits the use of plastic microbeads less than 5 mm in diameter for the components of personal care products and prohibits the sale of any products containing such ingredients. These products include any product used to clean, protect or perfume body parts, maintain or restore their condition or change their appearance, including products such as shampoos, body washes, face washes, soaps and toothpastes. The regulations will take effect in September 2018.
Plastic microbeads refer to solid plastic particles of less than 5 mm. They are commonly used in bathing and cleaning cosmetic products. They are especially used in scrubs. The main function is to exfoliate in cleansing. Once popular, it is widely used in cosmetics such as toothpaste, facial cleanser, scrub, shower gel, etc. The manufacturer claims to add this ingredient to better cleanse the skin and exfoliate and exfoliate. At present, many cosmetic products with "matte" and "exfoliation" functions are contained in China, which contain plastic microbeads.
The physical and chemical properties of plastic microbeads are stable. The main components include polyethylene, oxidized polyethylene, etc. Since these microbeads are indecomposable and large in quantity, such as microbeads contained in a scrub of facial cleanser exceeds 300,000 pieces, and small in size, cannot be filtered by sewage treatment plants, so handling is very difficult. These substances entering rivers, lakes and the sea are eaten by wildlife such as fish, which can affect the health of animals, and plastic microspheres also absorb a large amount of toxic pollutants in the ocean, including dichlorodiphenyl Ethyl chloride and polychlorinated biphenyls. As a result, these non-degradable substances may enter humans and animals through the food chain or other means.
In recent years, the danger of plastic microbeads becoming ecological pollutants has been concerned by many countries and regions. The phasing out is a general trend, and many countries and regions have begun to pay attention to their hazards and ban. For example, in December 2017, New Zealand issued a ban on the sale and production of plastic microbeads. In November 2016, the Canadian Federal Gazette issued the “Regulations on Plastic Microbeads in Cosmeticsâ€, which completely banned the sale of cosmetics containing plastic microbeads. In October 2016, South Korea revised the Korean Cosmetics Safety Standards and other regulations, and revised the content to prohibit the use of plastic beads of 5 mm or less in cosmetics. In March 2016, the United States signed the National Law No Beads Waters Act of 2015 to prohibit the production and sale of clean cosmetics that deliberately added plastic beads in the United States. In November 2015, the US House of Representatives Energy and Commerce Committee passed a bill (HR1321) to ban the manufacture and sale of rinse-off cosmetics containing plastic microbeads. In October 2015, the European Cosmetics and Personal Care Products Association recommended that plastic particles be added to rinse-off cosmetics and personal care products for scrubbing and cleaning by 2020.
Plastic microbeads have been phased out due to their harmfulness, replaced by more natural matte particles. China is a major exporter of cosmetics. Only Ningbo, which exports to the EU every year, has reached US$10 million. The products include hand sanitizer, shower gel and moisturizer. For this reason, the cosmetics manufacturers are reminded to pay close attention to the export destination countries. The relevant policies and regulations of the region ensure that the products meet the requirements of the importing country and avoid trade losses. In the formulation of cosmetics, it is necessary to take early measures to try to choose more natural matte particles, such as oats, corn, sea salt, almonds and other natural substances as alternative materials.
Core Plugs Caps are used to fill the sand casting core holes found on water-cooled internal combustion engines. They are also commonly called frost plugs, freeze plugs, or engine block expansion plugs.
The Welch plug, (misnomer: Welsh plug), is a thin, domed disc, of a metallic alloy, which is pressed, convex side out, into a casting hole and against an internal shoulder. Alternatively a non-ferrous metal such as brass offers improved corrosion prevention. When struck with a hammer, the dome collapses slightly, expanding it laterally to seal the hole. Other core plugs have a dish design, so that when pressed into the casting hole the tapered sides form the seal.
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