Gypsum Product overview We supply high purity synthetic gypsum and other specialities for the following fields of application: 1) Medical Applications LUXOBOND Surgical gypsum for medical bandages 2) Filler Applications LUXOLAN Calcium sulfate dihydrate for use as a filler for technical products 3) Dental Application a) Alginate Impression Compound GILALGIN Conforms to DINDraft Version 13909-1989 and ISO 1563-1990 b) Modelling gypsum GILDENT Dental superhard gypsum according to DIN EN26873 and ISO6873-4. For making toothbands, individual stumps and control models for precious metals and ceramics engineering. GILPLAST Plastic refined stump material with extremely high edge stability and high breaking strength. In essential points conforms to DIN EN 26873 and ISO6873-4. GILSTONE Dental superhard gypsum according to DIN EN 26873 and ISO6873-4. For master and working models. GILDONT Dental superhard gypsum according to DIN EN 26873 and ISO6873-4. Extra white modelling material for orthodontic work, study and control models. GILUDUR Dental hard gypsum according to DIN EN 26873 and ISO6873-3. Modelling material for model casting and plastic prosthetics. SEMIROCK Improved hard gypsum according to DINEN 26873 and ISO6873-3. GILUPLASTER High quality alabaster gypsum according to DIN EN 26873 and ISO6873-2. ARTIKULATIONS GIPS For articulation and fixing of models for bite regulation, for front walls and milled bases, with extremely low expansion. Very short setting time, otherwise in accordance with DINEN 26873 and ISO6873-3. BASE PLASTER For model anchoring, with very low expansion. Very short setting time, otherwise in accordance with DIN EN 26873 and ISO6873-3. BASE PLASTER FL Extremely flowable Super hard base plaster with very low expansion. In accordance with DINEN26873 and ISO6873-4. c) Investment compounds - gypsum-bound GILCAST D with graphite GILCAST D/W without graphite For precious metal alloys. Preheating temperatures up to max. 700°C. - phosphate-bound GILVEST MG For model casting. GILVEST ME General purpose investment compound for cobalt-chrome model casting, crown and bridge engineering, and for metal ceramics. GILVEST MICRO For model casting in particualrly fine grain size. GILVEST MG-HS Quick casting investment for partials. GILVEST EHT GILVEST EHT SUPERFINE GILVEST EHT ULTRAFINE Graphite free products in graduated grain fineness for the entire alloy spectrum of crown and bridge technology. GILVEST HS Quick casting investment for crowns and bridgework. GILVEST EMK GILVEST EMK SUPERFINE Products containing graphite for precious metals and alloys with reduced or no precious metal content. GILVEST MECO For titanium vacuum centrifuge casting of models, crowns and bridges. GILVEST K II Base material for making porcelain veneer shells, jacket crowns,in inlays. The investment compounds listed above satisfy the physical product requirements of DIN 13919 - Part 1 (Type 1 or 3) for gypsum-bound types, and DIN13919 - Part 2 for phosphate-bound types. d)Mixing liquids for phosphate-bound investment compounds GILVEST LIQUID Standard quality - no longer usuable after exposure to temperatures below + 6°C. GILVEST LIQUID concentrated For expansion values above 2.5%, as are required in some cases in telescope technique or for nonprecious metal alloys. 4) Ceramic Area AS-DUR Press moulding gypsum with high water press-out and absorption capacity, plus low expansion. Can also be used as a setup gypsum (for female moulds and dies). AS-DUR K Press moulding gypsum with increased surface hardness. LUDUR 300 Gypsum for making female moulds and dies. SANICAST MVV Moulding gypsum for the sanitary ceramics medium pressure casting process, with good water press-out and absorption capacity, low expansion, and outstanding surface finish. SANICAST L Fibre reinforced laminate gypsum for industrial applications. 5) Foundry Area LUDUR 500 LUDUR 300 LUDUR 250 LUDUR 190 Core plate gypsum with outstanding detailed reproduction, and high dimensional accuracy. The individual qualities provide graduated strengths and surface hardnesses. GILVAC Moulding compounds for precision casting using a special press- out vacuum process. - GILVAC 150 - for casting nonferrous metals, particularly aluminium. - GILVAC 250 - For casting aluminium and bronze. GILVAC 250 K Moulding compound for strickle moulding, e. g. for beel cores. GILCAST S Gypsum bonded investment compound for casting precious metal alloys in the jewellery industry. GILCAST AM Gypsum bonded investment for casting aluminium and magnesium. GILCAST ND Gypsum bonded investment compound for low pressure casting of aluminium and its alloys. GILVEST T Special investment compound for precision casting using the lost-wax process. Particularly suited for processing metall alloys with melting temperatures above 1200°C. LUDUR SG Foam gypsum for making moulds for aluminium casting, as a back-up casting compound to reduce weight of parts, for castings and insulations. LUDUR 1,2 Hard moulding gypsum for prototype production, e.g. in the automotive industry. High expansion of 1.2% to compensate for metal contraction. LUDUR O Modified hard moulding gypsum for prototype production, with extremely low expansion for dimensionally true intermediate models when making press tools. LUDUR OW Investment material for the optical industry, for fixing optical glasses during grinding. GILAX Surface tension reducer to prevent air bubbles on the contact surfaces between casting mould and gypsum. Wetting agent for wax objects prior to investment. GIL - WAX Special wax for the lost-wax process, for making handicraft articles, jewellery, etc. GILGLAS Gypsum bonded investment for precious casting of glass by the lost-wax process. 6) Automotive and Aircraft Area LUDUR 500 Hard moulding gypsum for making models in tool manufacture. High quality with low expansion and high strength. LUDUR 350 Hard moulding gypsum for use in the production of loft template models.  LUDUR 500 M Surface gypsum for gypsum-bound laminates. LUDUR 500 L Fibre reinforces laminate gypsum for moulds with plastic on gypsum surfaces. LUDUR SPM Bonding agent or filler of hard gypsum for repairs or modifications to LUDUR moulds. LUDUR WA Easy to washout, thermally stable, core and moulding material. LUDUR XL Moulding compound for laminating in combination with LUDURXL glass fibre mat, for making lightweight, thin walled gypsum laminates.  LUDUR XL glas fibre mat Reinforcement material for LUDUR XL. 7) Hobby Area KERAPLAST Plastic refined casting compound for reliefs, models, casting. GILUFORM Casting compound for making extra hard reliefs, figures, models. GILUFORM 300 GILUFORM 250 Relief casting compounds with lower hardnesses. GILUFORM 350 Relief casting compound with low powder density. GILUFORM 150 Modelling gypsum for making carvable blocks. GILUFORM 500 L Glass fibre reinforced hard gypsum for making thin walled moulded parts. GILUFORM SG Moulding compound for making hollow casting moulds in the slush casting process. GILTON KM Cold setting modelling compound for making decorative and utilitarian objects. LUDUR 175 M Modelling gypsum for mould construction and for handicraft applications. LUDUR MG Modelling gypsum for mould construction and for handicraft applications. 8) Structural Engineering Area LUDUR P Hard moulding gypsum for making gypsum finished parts and for quality enhancement of beta calcium sulphate semihydrate and anhydrite. Can also be processed with additives like quartz powder, calcium carbonate, or with cement. LUDUR G Hard moulding gypsum analogous to LUDUR P, but with a smaller particle size. ISODUR G/C For reinforcement and covering of the insice walls of tunnels.