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  2. Polycarbonate - Wikipedia

    en.wikipedia.org/wiki/Polycarbonate

    Polycarbonate has a glass transition temperature of about 147 °C (297 °F), [8] so it softens gradually above this point and flows above about 155 °C (311 °F). [9] Tools must be held at high temperatures, generally above 80 °C (176 °F) to make strain-free and stress-free products.

  3. Corrugated plastic - Wikipedia

    en.wikipedia.org/wiki/Corrugated_plastic

    Corrugated plastic box used as reusable packaging Corrugated plastic dividers used to pack automotive components A Velomobile enclosed in corrugated plastic. Corrugated plastic or corriboard – also known under the trade names of Correx, Biplex, Cartonplast, Polyflute, Coroplast, FlutePlast, IntePro, Proplex, Twinplast, Corriflute and Corflute – refers to a wide range of extruded twin-wall ...

  4. Polycarbonate (functional group) - Wikipedia

    en.wikipedia.org/wiki/Polycarbonate_(functional...

    A polycarbonate is an oxocarbon dianion consisting of a chain of carbonate units, where successive carbonyl groups are directly linked to each other by shared additional oxygen atoms. That is, they are the conjugate bases of polycarbonic acids , the conceptual anhydrides of carbonic acid , or polymers of carbon dioxide .

  5. List of companies of the Philippines - Wikipedia

    en.wikipedia.org/wiki/List_of_companies_of_the...

    Location of the Philippines. The Philippines is a sovereign island country in Southeast Asia situated in the western Pacific Ocean. It is a founding member of the United Nations, World Trade Organization, Association of Southeast Asian Nations, the Asia-Pacific Economic Cooperation forum, and the East Asia Summit.

  6. CR-39 - Wikipedia

    en.wikipedia.org/wiki/CR-39

    CR-39 is made by polymerization of ADC in presence of diisopropyl peroxydicarbonate (IPP) initiator.The presence of the allyl groups allows the polymer to form cross-links; thus, it is a thermoset resin.

  7. List of largest companies in the Philippines - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_companies...

    This list is based on the Forbes Global 2000, which ranks the world's 2,000 largest publicly traded companies.The Forbes list takes into account a multitude of factors, including the revenue, net profit, total assets and market value of each company; each factor is given a weighted rank in terms of importance when considering the overall ranking.

  8. Philippine passport - Wikipedia

    en.wikipedia.org/wiki/Philippine_passport

    During the Spanish colonization of the Philippines, the Spaniards introduced a travel document to the Philippines called the chapa, or a writ of safety to go from one place to another, which the natives used from the 16th to 17th centuries. [2] Philippine passports were released after gaining independence from the United States in 1946.

  9. List of Philippine typhoons - Wikipedia

    en.wikipedia.org/wiki/List_of_Philippine_typhoons

    The Philippines is a typhoon-prone country, with approximately twenty tropical cyclones entering its area of responsibility per year. Locally known generally as bagyo (), [3] typhoons regularly form in the Philippine Sea and less often, in the South China Sea, with the months of June to September being the most active, August being the month with the most activity.

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