产品介绍

I. Overview

A concrete expansive agent is an admixture that, when mixed with cement and water, undergoes a hydration reaction to produce ettrite and calcium hydroxide, causing the concrete to expand in volume. This measuring instrument complies with Test Method B of the GB/T 23439-2017 standard, “Concrete Expansive Agents,” and features a lightweight design, simple structure, ease of operation, and resistance to rust.

II. Instrument Construction

This instrument consists of a base and a support frame, with a dial gauge mounted on the support frame.

III. Main Specifications

1. Dial gauge range: 0–12.7 mm

2. Measurement accuracy: 0.001 mm

3. Dimensions: 100 × 70 × 220 mm

4. Weight: Approximately 1 kg