Hiram Ball, of Ball Consulting Ltd., demonstrates making a live-body mold using Hydrogel® N. The safe-for-skin-contact alginate yields excellent impressions if wax or plaster is cast right after demolding.
Hydrogel® N is most commonly used for making molds of the human body. This is because alginate is considered safe for contact with the skin. This product is also safe on surfaces that are not damaged by water such as fossil molds. Hydrogel® N is a dry white powder which when mixed with water at a 3 parts water to 1 part Hydrogel® N weight ratio (approximately 1 water to 1 1/4 Hydrogel老七网原豆浆3131dy 老七网原豆浆3131dy ,大黑鸡 视频在线观看 大黑鸡 视频在线观看 ,全国亚洲最大网站4438;4388x5全国最大网站 全国亚洲最大网站4438;4388x5全国最大网站 ® N by volume) yields a creamy mix with a 5 minute working time. Working time may be extended using the optional liquid retarder described below. Demolding can be done, with care, several minutes after mix can no longer be worked.
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