{"id":730,"date":"2019-02-13T13:25:06","date_gmt":"2019-02-13T12:25:06","guid":{"rendered":"http:\/\/lonstroff.lake-studio.de\/qualitaet"},"modified":"2026-08-21T10:47:04","modified_gmt":"2026-08-21T08:47:04","slug":"quality","status":"publish","type":"page","link":"https:\/\/www.lonstroff.com\/en\/quality","title":{"rendered":"Quality"},"content":{"rendered":"\t\t\t
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SAFETY & QUALITY<\/h1>\n<\/div>\n
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Certified by ISO 9001, ISO 14001, ISO 15378 and ISO 45001<\/h2>\n<\/div>\n<\/div>\n
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For Lonstroff and its customers quality assurance is of vital importance. It is therefore strictly regulated and is essentially based on ISO standards.<\/p>\n<\/div>\n[\/vc_column_text][\/vc_column]\n\t\t\t\t<\/div>\n\n\t\t\t\t\n\t\t\t\t\n\t\t\t\n\t\t\t\n\t\t<\/section>\n\n\t\t\t\t

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The WHO GMP rules<\/h5>\n

concerning the manufacture of elastomeric closures (batch, quality control, in-process control, formulation consistency, quarantine, documentation, traceability, hygiene).<\/p>\n

Testing based on official guidelines, standards and valid pharmacopoeias<\/h5>\n

the authoritative document is Monograph IX, 3.2.9 of the European pharmacopoeia; depending on the recipient country, the products are also tested for compliance with differing local requirements<\/p>\n

Continuous improvement process<\/h5>\n

With the unequivocal support of all our employees, we continuously improve our market performance and processes.[\/ls_vc_2column_txt_bgimg][\/vc_column]\n\t\t\t\t<\/div>\n\n\t\t\t\t\n\t\t\t\t\n\t\t\t\n\t\t\t\n\t\t<\/section>\n\n\t\t\t\t

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Current pharmaceutical change-control principles<\/h5>\n

concerns production process and recipe constancy; every necessary change is communicated to the customer, documented and not implemented without their express approval.<\/p>\n

Standard Operating Procedures<\/h5>\n

All process parameters with a bearing on quality are required to be documented in internal operating procedures or manufacturing instructions, such as SOPs for mixing processes, vulcanization, stamping process, washing process, packaging.<\/p>\n

Close customer co-operation based on the
\ndefect evaluation list<\/h5>\n

Defect evaluation list for rubber products
\nEditio Cantor Mark 20[\/ls_vc_2column_txt_bgimg][\/vc_column]\n\t\t\t\t<\/div>\n\n\t\t\t\t\n\t\t\t\t\n\t\t\t\n\t\t\t\n\t\t<\/section>\n\n\t\n","protected":false},"excerpt":{"rendered":"[vc_column][\/vc_column] [vc_column width=\"2\/3\" offset=\"vc_col-md-offset-2 vc_col-md-8\"][vc_column_text css=\"\"] SAFETY & QUALITY Certified by ISO 9001, ISO 14001, ISO 15378 and ISO 45001 For Lonstroff and its customers quality assurance is of vital importance. It is therefore strictly regulated and is essentially based on ISO standards. [\/vc_column_text][\/vc_column] [vc_column width=\"1\/2\"][vc_single_image img_size=\"large\" onclick=\"custom_link\" img_link_target=\"_blank\" css=\"\" read more...<\/a>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":19,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-730","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nQuality - LONSTROFF AG<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.lonstroff.com\/en\/quality\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Quality - LONSTROFF AG\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.lonstroff.com\/en\/quality\" \/>\n<meta property=\"og:site_name\" content=\"LONSTROFF AG\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-21T08:47:04+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.lonstroff.com\\\/en\\\/quality\",\"url\":\"https:\\\/\\\/www.lonstroff.com\\\/en\\\/quality\",\"name\":\"Quality - 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