Super-strength gypsum cement advisable where extreme accuracy and greater surface hardness are required, as in duplicator models. Harder and stronger than HYDROCAL A-11 and HYDROCAL B-11 cements, UltraCal 30 cement has the lowest expansion of any rapid-setting gypsum cement to be had. Has a gradual set and long period of plasticity. Ideal for splash-casting molds and models for phenolic, polyester and epoxy resins. It used to be designed to give the pattern making industry the ultimate in a gypsum cement tooling medium. MIX RATIO: The manufacture advisable mix-ratio of Ultra Cal 30 is (38 parts water to 100 parts) Ultra Cal 30 by weight. The average setup time is 25-35 minutes when manually mixed. Please note that parts may also be in grams, ounces or pounds and so forth. Do not mix with your hands, A paint paddle or electric paint mixer is advisable. WARNING: This product is for making molds of industrial patterns only. When mixed with water, ultra cal undergoes a chemical reaction which causes it to harden and then slowly turn into very hot and highly alkaline (corrosive to skin like drain cleaner.) If mixed incorrectly this process can happen very unexpectedly. DO NOT attempt to make a mold enclosing any a part of the body the usage of this material. Failure to follow these instructions can cause severe chemical burns that may require surgical removal of affected tissue. Dust from products may cause eye, skin, nose, throat, or respiratory irritation. Use eye, skin, and respiratory protection in line with good industrial hygiene practices. Keep out of reach of children
Ultracal 30 Gypsum Cement for Professional Molding and Plaster Casting – 10 lbs
Very Low Expansion, Very Durable.
Instruction Sheet Included. Ideal for Latex Molds and Gelatin Molds. Popular also as a museum quality casting plaster
Takes Extremely Fine Details!
Professional Use Only. Can Get Hot When Hardening!
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