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[ガラス成型向け] 耐火石膏ハイストーンC-2G 1kg
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1750円
(Tax included)
RM1750
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[ガラス成型向け] 耐火石膏ハイストーンC-2G 1kg

この石膏はガラス工芸用耐熱石膏として作られた鋳型材です。パート・ド・ベール(ソーダガラス・鉛ガラス用)。

耐熱性に優れ、鉛ガラスの黄変対策がされています。パート・ド・ベール等のガラス工芸用です。一般の焼石膏と同様の流し込み成型により、模型の微細な模様を忠実に反転させ、極めて平滑な表面を得ることが可能です。

「ハイストーンC-2型G」は、α型焼石膏を主成分として各種耐火物を配合した非発泡鋳造用石膏です。 耐熱性に優れた精密鋳造用石膏で、鋳込み温度800℃以下の非鉄金属並びに低溶融合金の鋳造に適します。一般の焼石膏と同様の流し込み成型により、模型の微細な模様を忠実に反転させ、極めて平滑な表面を得ることが可能です 。



物理的性質(メーカー発表)

 混水量(粉1kgに対して)450ml

攪拌時間 6分

 凝結時間 始発13分 終結60分以内

 引張強度(2時間後) 0.8MPa

 凝結膨張率 0.05%



備考1:ただし上記はあくまでも【目安】です。気温や湿度、開封後の石膏の保管条件、攪拌の仕方などによって変動します。

石膏を溶く際は必ず水に石膏を加えてください。石膏に水を加えると量にもよりますがダマ(部分的な塊)になり硬化不良を招く場合がございます。



石膏は湿気に弱いです。開封後のお客様の管理環境、操作ミスなどの要因による返金、返品対応は一切応じかねますのでご了承くださいませ。
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