7021 染色耐水洗試驗機
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| 染色品試片，試液及鋼珠放於試杯內，依規定之溫度、時間運轉後，經過洗滌、脫水及乾燥。再對照灰色標，評定試片水洗堅牢度。亦可做有機溶劑之耐洗檢驗。本機自動調節溫度、計時及響鈴，並加設恆溫水槽，可將試杯先預熱至試驗溫度。 規格Spec.
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| To put specimen of dying articies, testing liquid steel ball into testing cup, running according to specified temperature, time, then washing, drying, comparing with grey scale thus can appraise specimen washing firmness, the test of wash-endurance of organic solvent can be executed either. It can automatically adjust temperature, timing and bell-ring, the invariable temperature tank is equipped, pre-heating testing cup to testing temperature. 規格Spec.
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