Vertical Expansive Tester for Expansion Rate of Motar Used for Grout

• VTM-3 fully auto motar vertical expansion tester
• VTM-3 fully auto motar vertical expansion tester is used for test with grout expansive motar for vertical expansive rate, it is suitable for vertical expansive rate with common water reducer of concrete engineering, high efficient water reducer, polycarboxylate-type high efficient water reducer, air entraining agent, air entraining water reducer, early strength agent, retarder, pumping aid, antifreezing agent, accelerator, swelling agent, waterproof agent, corrosion inhibitor and additional agent.