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Tham khảo tài liệu 'recycling of plastic materials part 12', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | K. Heil and R. Pfaff 183 Zeugnxs Nr. Certificate No. 1740 Bestcl1 Nr. Order No. 209894 Lieferanten Nr. Delivers No. 62990 Werkspriif zeugnis I Manufacturer s test certificate nach according to DIN 50049-2.3 Produktbezeichnung Trade mark SECULENE PPR 1240 TV20 so Charge Cast 72.05.19.10.30.00.22.10.91 Lleferbedingungen Terms of Delivery wss M99P9999 A1 A2 A3 Priifspezif. Test specif. Eigenschaft Property Methode Method ISO DIN Einhelt Unit Wert Value Feuchte ISO R 585 S3723 0 05 Schmelzindex MFI 190 5 ISO 1133 53735 g 10 min 7 9 KorngroBe 2 - 4mn - 53477 99 9 SchUttdichte ISO R 60 53468 g cm 0 56 Farbe - - schwarz SO Gliihriickstand ISO TC 61 53568 20 0 Dichte bei 23 c ISO R 1183 53479 g cm 1 017 Es wird bestatigt daB die Lieferung den vereinbarten Lieferbedingungen entspricht. Eine Eigenschaftszusicherung fiir einen bestimmten Einsatzzweck 1st hiermit nicht verbunden. We hereby certify that the delivery complies with the conditions agreed upon. No additional warranty of any kind is linked hereto. Datum Date 10.12.1991 stempel des Sachverstăndigen Inspector s stamp Figure 10. Manufacturer s test certificate. use of defined proportions of recycled materials will be prescribed for the manufacture of certain products.4 However as yet the recycling market is still operating with two product classes. On one hand the industry offers recycles which have been produced without specific pre-sorting process. There is no denying to the fact that the properties of such products vary greatly.1 The products from such recycling processes are definitely inferior. On the other hand there are 184 Quality Assurance in Plastics Recycling recyclers who put great efforts into producing high-purity secondary raw materials. As described before this normally requires comprehensive sorting and upgrading processes. This approach normally yields a product which can be adjusted within a broad range to suit the specific customer requirements. For such products suppliers can assume contractual .