{"title":"Plasters","description":"\u003cp class=\"MsoNormal\"\u003eAt Potterycrafts we stock an extensive range of plasters for all you need from Casting Plaster, Potters Plaster, and Plaster of Paris, and many more!\u003c\/p\u003e","products":[{"product_id":"karamicast-high-density-casting-plaster","title":"Karamicast High Density Casting Plaster","description":"\u003cp\u003eKeramicast is an off-white high-quality casting plaster made for the ceramic industry, being harder and more durable than Pottery Plaster. Traditionally used in ceramics for the production of working moulds for both jiggering and slip casting.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaSO4 0.5H2O\u003c\/li\u003e\n\u003cli\u003eMixing ratio 1.3kg plaster to 565cc of water.\u003c\/li\u003e\n\u003cli\u003eKeramicast produces a tougher mould giving a longer than average casting life.\u003c\/li\u003e\n\u003cli\u003eWidely used in fibrous plasterwork and for GRG production.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTechnical Information:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePlaster to Water Ratio (by weight): 1.79:1\u003c\/li\u003e\n\u003cli\u003eWater to Plaster Ratio (by weight): 56%\u003c\/li\u003e\n\u003cli\u003eInitial setting time (minutes): 8\u003c\/li\u003e\n\u003cli\u003eFinal setting time (minutes): 12\u003c\/li\u003e\n\u003cli\u003eLinear expansion (%): 0.28\u003c\/li\u003e\n\u003cli\u003eBrinell hardness (MPa): 60\u003c\/li\u003e\n\u003cli\u003eDry compressive strength (MPa): 22\u003c\/li\u003e\n\u003cli\u003eShelf Life: 12 Months, commencing from date of manufacture displayed on each bag.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KARAMICAST","offers":[{"title":"1","offer_id":54949630017922,"sku":"P3336-01","price":5.64,"currency_code":"GBP","in_stock":true},{"title":"5","offer_id":49197110460698,"sku":"P3336-05","price":10.7,"currency_code":"GBP","in_stock":true},{"title":"25","offer_id":49197110526234,"sku":"P3336-25","price":27.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0865\/4399\/1066\/files\/Karamicast-High-Density-Casting-Plaster_2801bd3f-f54c-45a1-bc26-f4d6a941f87a.jpg?v=1785495761"},{"product_id":"tiranti-classic-prestia-casting-plaster","title":"Tiranti Classic Prestia Casting Plaster","description":"\u003cp id=\"isPasted\"\u003ePrestia Classic is an excellent plaster it’s a good hard all-rounder for casting and running in fibrous work. A fast-setting plaster of the finest quality. Suitable for dental, making moulds, carving, direct modelling, or casting it is ideal for precise and high-quality castings. A nice easy-to-mix and use quality material.\u003c\/p\u003e\u003cul style=\"margin-top:0cm;\"\u003e\n\u003cli style=\"mso-list:l0 level1 lfo1;tab-stops:list 36.0pt;\"\u003ePlaster\/Water Ratio: 100\/66-71\u003c\/li\u003e\n\u003cli style=\"mso-list:l0 level1 lfo1;tab-stops:list 36.0pt;\"\u003eWorking Time: 10 Mins\u003c\/li\u003e\n\u003cli style=\"mso-list:l0 level1 lfo1;tab-stops:list 36.0pt;\"\u003eDemould Time: 25-35 Mins\u003c\/li\u003e\n\u003cli style=\"mso-list:l0 level1 lfo1;tab-stops:list 36.0pt;\"\u003eExpansion: 0.10%\u003c\/li\u003e\n\u003cli style=\"mso-list:l0 level1 lfo1;tab-stops:list 36.0pt;\"\u003eCompressive strength (dry) 2131 psi. 13 Mpa.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TIRANTI","offers":[{"title":"5","offer_id":49263802351898,"sku":"400-400","price":13.2,"currency_code":"GBP","in_stock":true},{"title":"25","offer_id":49263802384666,"sku":"400-405","price":29.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0865\/4399\/1066\/files\/Tiranti-Classic-Prestia-Casting-Plaster.jpg?v=1787839361"},{"product_id":"siniat-prestia-modell-casting-plaster","title":"Siniat Prestia Modell Casting Plaster","description":"\u003cp\u003eOur hardest casting plaster. Produces castings that are very finely detailed and very hard. Setting time 12-16 minutes. Plaster to water ratio 3.57kg\/litre. Compressive strength (dry) 9000 psi.\u003c\/p\u003e\u003cp\u003eIt offers an excellent reproduction of very fine detail giftware and models. It gives an extremely hard stone-like finish and is popular in the manufacture of small highly ornamental miniatures such as tiny cottages and war-gaming pieces, and also things like exhibits and chess pieces that get handled and need to be tough and resilient.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePlaster\/Water Ratio: 100\/29\u003c\/li\u003e\n\u003cli\u003eWorking Time: 14 Minutes\u003c\/li\u003e\n\u003cli\u003eDemould Time: 30 Minutes\u003c\/li\u003e\n\u003cli\u003eExpansion: 0.60%\u003c\/li\u003e\n\u003cli\u003eCompressive Strength: 45 Mpa\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siniat","offers":[{"title":"5","offer_id":49263802417434,"sku":"400-600","price":26.16,"currency_code":"GBP","in_stock":true},{"title":"25","offer_id":49263802450202,"sku":"400-610","price":89.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0865\/4399\/1066\/files\/Siniat-Prestia-Modell-Casting-Plaster.jpg?v=1726230378"},{"product_id":"potterycrafts-potters-plaster","title":"Potterycrafts Potters Plaster","description":"\u003cp\u003ePotters Plaster ( CaSO\u003csub\u003e4\u003c\/sub\u003e 0.5H\u003csub\u003e2\u003c\/sub\u003eO ). A high grade plaster used for producing working moulds. Mixing ratio 940g plaster to 565mm of water.\u003c\/p\u003e","brand":"TIRANTI","offers":[{"title":"5","offer_id":55629642367362,"sku":"P3335-05","price":6.08,"currency_code":"GBP","in_stock":true},{"title":"25","offer_id":55026917212546,"sku":"P3335-25","price":19.78,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0865\/4399\/1066\/files\/Potterycrafts-Potters-Plaster.jpg?v=1785494684"},{"product_id":"tiranti-acrylic-plaster-polymer","title":"Tiranti Acrylic Plaster Polymer","description":"\u003cp\u003eAcrylic Plaster Polymer for use with an Alpha plaster such as Basic Alpha plaster, and Modell (Crystacast) it will produce an extremely hard, less porous casting or modelling material. It can be used as an alternative to polyester resins for casting due to there being little or no harmful solvents or odour present when using this material.\u003c\/p\u003e\u003cp\u003eUse for casting, coating, or laminating applications (with glass fibre), by hand or spraying for sculpture castings, props \/ modelmaking, theatrical and scenic displays. Can be coloured using earth colours\/pigments or any water-based pigment. Also used with stone fillers, sand, or aggregates to reproduce many realistic natural effects.\u003c\/p\u003e\u003cp\u003eBasic mix is approximately 3 parts plaster to one part Polymer by weight, before adding other items.\u003cbr\u003e\u003cbr\u003eThis product is not compatible with the following plasters due to the nature of the material; Prestia classic, Prestia Casting, Ceram N1.\u003c\/p\u003e","brand":"TIRANTI","offers":[{"title":"1","offer_id":49263802810650,"sku":"400-745","price":10.8,"currency_code":"GBP","in_stock":true},{"title":"5","offer_id":49263802843418,"sku":"400-750","price":64.62,"currency_code":"GBP","in_stock":true},{"title":"25","offer_id":49263802876186,"sku":"400-755","price":283.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0865\/4399\/1066\/files\/Tiranti-Acrylic-Plaster-Polymer.jpg?v=1787842678"},{"product_id":"tiranti-terracotta-cast-with-iron","title":"Tiranti Terracotta Cast with Iron","description":"\u003cp\u003eOur Terracotta cast with iron has unique casting properties resembling fired terracotta, an extremely hard terracotta coloured casting material which contains iron. This is our own formulation and is made by us in-house.\u003cbr\u003e\u003c!--[if !supportLineBreakNewLine]--\u003e\u003c\/p\u003e\u003cp\u003eCast pieces which are exposed to the elements will eventually bloom with rust spots. Although supplied for indoor use, pieces kept outside have shown resistance to the extremes of weather.\u003cbr\u003e\u003cbr\u003eIf making hollow casts by swilling, subsequent swills should be made when the previous one is hard but not fully cured. Hollow casts made up from swills need to be 13mm (1\/2\") thick un-reinforced. A guide is 3 swills for 12\" high, 4-5 swills for 20\" high, 7 swills for 33\" high. To make good, fill in usual manner but paint into shape using a wet brush.\u003cbr\u003e\u003c!--[if !supportLineBreakNewLine]--\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMixing\u003c\/strong\u003e\u003cstrong\u003e Instructions:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAdd powder to water by sprinkling over the surface, a good guide is 4 parts by weight of powder to water, adjust to suit job in hand. setting time is approximately 40-50 minutes at ambient room temperature. Example: 100ml water - 400g of terracotta cast powder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eStorage\u003c\/strong\u003e\u003cstrong\u003e Instructions:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eKeep sealed and store in a warm dry place, shelf life if correctly stored is approximately 6 months.\u003cbr\u003e\u003c!--[if !supportLineBreakNewLine]--\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCaution\u003c\/strong\u003e:\u003c\/p\u003e\u003cp\u003eMinimise dust by opening and mixing in well-ventilated conditions. Do not inhale dust, wash exposed skin surfaces after each use. Wear appropriate PPE.\u003cbr\u003eIn cases of unusual sensitivity, contact with skin should be avoided. In the case of eye contact, irrigate with plenty of water immediately, if necessary, seek doctors’ advice.\u003c\/p\u003e","brand":"TIRANTI","offers":[{"title":"2.5","offer_id":49263802908954,"sku":"400-320","price":25.79,"currency_code":"GBP","in_stock":true},{"title":"25","offer_id":49263802941722,"sku":"400-330","price":83.43,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0865\/4399\/1066\/files\/Tiranti-Terracotta-Cast-with-Iron_00aa2883-9866-44d6-bb04-b16b96df6d1d.jpg?v=1787840322"},{"product_id":"siniat-prestia-alpha-casting-plaster","title":"Siniat Prestia SH Alpha Casting Plaster","description":"\u003cp\u003eTop class casting plaster, which is very fine, hard and strong. Used for the casting of finished pieces where a hard durable surface is important. Setting time 9-20 minutes. Plaster to water ratio 2.8kg\/litre. Compressive strength (dry) 7054 psi. This plaster is also used for castings made with Plaster Polymer for extremely hard and high weather resistant applications.\u003c\/p\u003e\u003cp\u003ePrestia Basic SH Alpha is a high-quality hard plaster similar to Herculite 2 and Crystacal R, although not as hard as Crystacal. The expansion is much less, and it is slower setting. It is usually used for architectural mouldings as well as being used in modelling applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWater\/Plaster Ratio: 35 to 40\/100\u003c\/li\u003e\n\u003cli\u003eWorking Time: 10 Min.\u003c\/li\u003e\n\u003cli\u003eDemould Time: 20-40 mins.\u003c\/li\u003e\n\u003cli\u003eExpansion: 0.06%\u003c\/li\u003e\n\u003cli\u003eCompressive Strength: 45 Mpa\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SINIAT","offers":[{"title":"5","offer_id":49263804088602,"sku":"400-550","price":8.57,"currency_code":"GBP","in_stock":true},{"title":"25","offer_id":49263804121370,"sku":"400-555","price":42.89,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0865\/4399\/1066\/files\/Siniat-Prestia-Alpha-Casting-Plaster.jpg?v=1726230375"},{"product_id":"tiranti-coarse-plasters-scrim","title":"Tiranti Coarse Plasters Scrim","description":"\u003cp\u003eOpen weave coarse hessian scrims for reinforcing plaster moulds, casts etc. . Hessian scrim not only offers many versatile uses, but is also extremely reliable.\u003c\/p\u003e","brand":"Tiranti","offers":[{"title":"7.6cm x 200 Metres","offer_id":54939003847042,"sku":"401-500","price":12.86,"currency_code":"GBP","in_stock":true},{"title":"97cm x 1 Metre","offer_id":49263804154138,"sku":"401-450","price":2.07,"currency_code":"GBP","in_stock":true},{"title":"97cm x 10 Metre","offer_id":49263804186906,"sku":"401-460","price":7.09,"currency_code":"GBP","in_stock":true},{"title":"97cm x 200 Metre","offer_id":49263804219674,"sku":"401-470","price":124.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0865\/4399\/1066\/files\/Tiranti-Coarse-Plasters-Scrim.jpg?v=1723199287"},{"product_id":"mod-roc-plaster-of-paris-off-cuts-bag","title":"Mod Roc Plaster of Paris Off-Cuts Bag","description":"\u003cp\u003e\u003cspan style=\"color: rgb(246, 17, 17);\"\u003e25% OFF to clear!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePlaster Bandage Off-Cuts. Plaster impregnated bandage. Can be used for modelling, collages, stage props, mask making, murals, railway modelling, general craft work or for mould cases. The materials are activated by putting together three or four strips of pre-cut bandage and immersing in clean water for a couple of seconds, then squeezing gently and the plaster smoothed into the bandage over a premade wire or aluminium mesh framework. Will set in about 5 minutes and be hard in 30 minutes.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eApproximately 20cm - 27 rolls per bag.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MOD ROC","offers":[{"title":"6.35","offer_id":49758683726106,"sku":"100-115","price":36.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0865\/4399\/1066\/files\/Mod-Roc-Plaster-of-Paris-Off-Cuts-Bag.jpg?v=1727703737"},{"product_id":"mod-roc-plaster-of-paris-bandage","title":"Mod Roc Plaster of Paris Bandage","description":"\u003cp\u003e\u003cspan style=\"color: rgb(246, 16, 16);\"\u003e25% OFF to clear!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePlaster impregnated bandage. Can be used for modelling, collages, stage props, mask making, murals, railway modelling, general craft work or for mould cases. The materials are activated by putting together three or four strips of pre-cut bandage and immersing in clean water for a couple of seconds, then squeezing gently and the plaster smoothed into the bandage over a premade wire or aluminium mesh framework. Will set in about 5 minutes and be hard in 30 minutes.\u003c\/p\u003e\n\u003cp\u003eRoll measure 150mm wide by 2700mm.\u003c\/p\u003e","brand":"MOD ROC","offers":[{"title":"150 x 2700mm","offer_id":49759397609754,"sku":"100-110","price":4.02,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0865\/4399\/1066\/files\/ModRoc-Plaster-of-Paris-Bandage.jpg?v=1727718840"},{"product_id":"tiranti-prestia-casting-plaster","title":"Tiranti Prestia Casting Plaster","description":"\u003cp id=\"isPasted\"\u003ePrestia Casting Plaster is ideal for decorative plasterwork and fibrous moulding work requiring a short setting time. An authentic Plaster of Paris, fast-setting general purpose plaster, used for making moulds or casting of articles where hardness of setting is not important. Also useful for carving or direct modelling.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrestia Casting plaster is a fine casting plaster produced from high purity natural gypsum, mined in the Paris area.\u003c\/li\u003e\n\u003cli\u003eCan be cast into silicone, latex, plastic, fibreglass, and vinyl moulds.\u003c\/li\u003e\n\u003cli\u003eWill begin to set after 13 minutes and can be demoulded after 35-40 minutes.\u003c\/li\u003e\n\u003cli\u003ePlaster\/Water Ratio: 100 \/ 69 to 80\u003c\/li\u003e\n\u003cli\u003eExpansion 0-15%\u003c\/li\u003e\n\u003cli\u003eCompressive strength 11 MPa\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TIRANTI","offers":[{"title":"25","offer_id":49784456446234,"sku":"400-380","price":15.19,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0865\/4399\/1066\/files\/Tiranti-Prestia-Casting-Plaster.jpg?v=1787839995"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0865\/4399\/1066\/collections\/Plasters.jpg?v=1725974918","url":"https:\/\/potterycrafts.live\/collections\/plasters.oembed","provider":"Potterycrafts","version":"1.0","type":"link"}