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Company name: Huai'an Hanji New Material Co., Ltd.

Contact: Mr. Han

Phone: 13365166988

Mobile: 13365166988

Email: hansanhua@126.com

Address: No. 36 Jingshi Road, Huai'an District, Huai'an City, Jiangsu Province

Website: www.hjsnt.cn

Website: en.hjsnt.cn

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New cement blanket prices

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New cement blanket prices

  • Taxonomy:水泥毯

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  • Date of release:2020/05/26
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Detailed introduction

Huai'an cement blanket price

The main characteristics of cement blanket

1) Easy to use

Cement blankets can be provided in bulk rolls. It can also be provided in rolls, which is convenient for manual loading and unloading and transportation without the need for large lifting machinery. Concrete is prepared according to scientific proportion, no need to be prepared on site, and excessive hydration problems will not occur. Whether under water or in sea water, the cement blanket can be set.

2) Rapid solidification

Once the hydration reaction occurs in watering, the cement blanket size and shape can still be processed within 2 hours. Within 24 hours, it can harden to 80% strength. According to the special requirements of users, special formulas can be used to achieve the purpose of rapid solidification or delayed solidification.

3) Environmentally friendly

Cement blanket is a low-quality, low-carbon technology. In many applications, the amount of materials used is up to 95% less than that of commonly used concrete. Its alkali content is limited, and its erosion rate is very low, so it has little impact on the local ecology.

4) Application flexibility

The cement blanket has good drape, can follow the complex shape of the covered object surface, and even form a hyperbolic shape. The cement blanket before solidification can be cut or cut at will with ordinary hand tools.

5) High material strength

The fibers in the cement blanket enhance the strength of the material and prevent cracking, and can absorb impact energy to form a stable failure mode.

6) Long-term durability

The cement blanket has good chemical resistance, resistance to wind and rain erosion, and UV degradation does not occur under sunlight.

7) Water resistance

The bottom of the cement blanket has a waterproof layer to make it completely waterproof and enhance the chemical resistance of the material.

8) Fire protection characteristics

The cement blanket does not support combustion, has good flame retardant properties, the smoke is very small when fired, and the amount of dangerous gas emissions generated is very small. The cement blanket has reached the B-s1, d0 level of the European building material flame retardant standard.

Technical Parameters

Setting time

Initial setting ≥ 120 minutes; final setting ≤ 240 minutes.

24 hours after the hydration reaction, the cement blanket can reach 80% strength.

Hydration reaction

The new cement blanket can use salt water or non-salt water to achieve hydration reaction. The minimum weight ratio of water to cement blanket is 1: 2. Cement blankets do not cause excessive hydration reactions, so it is always recommended to use excess water. Water can be sprayed on the fiber surface multiple times until the cement blanket reaches saturation. Because the cement blanket absorbs moisture, the color darkens first and then becomes lighter. When water accumulates or flows down on the surface, it indicates that the cement blanket is saturated with water. After the initial hydration reaction, the cement blanket should be re-wet at least once between one and two hours. In high temperature and dry weather, this is especially necessary, because the evaporation of water will cause the concrete to dry excessively.

The product HJ008 cement blanket is the most prone to over-drying. Regardless of the weather, it should be re-wet one or more times after one to two hours after the hydration reaction. Never use a high-pressure water spray gun to spray water directly on the cement blanket, otherwise the surface of the cement blanket will be washed into a groove shape. If the cement blanket is not sufficiently protected by water, setting will be delayed and the material strength

Will fall. If the setting time is delayed, re-wet it with plenty of water. The cement blanket can be used underwater, at this time, because it is immersed in water, the hydration reaction can fully occur.

The initial strength of the cement blanket is very high, which is the basic characteristic of this material. Typical strength and physical characteristics are as follows:

① Compressive strength test according to ASTM C473-07

— 10 days compression failure stress 40 MPa

— 10 days compression Young's modulus 1500 MPa

② Bending test according to BS EN 12467: 2004

— 10 days bending failure stress 3.4 MPa

— Ten-day bending Young's modulus 180 MPa

③ Abrasion resistance test according to DIN 52108

— Similar to ceramics in wear resistance up to 0.10 g / cm2

④ Mohs hardness 4 – 5

⑤ CRB puncture resistance according to EN ISO 12236: 2007 (HJ008 only)

— Minimum thrust penetration 2.69 Kn

— Maximum deflection peak 38 mm

⑥ According to EN 1991-1-1: 2002 standard to resist vehicle load (HJ008 only)

— Meet the requirements of Class G

— Gross weight of 2-axle vehicle 30 – 160 Kn

— Uniformly distributed load does not exceed 5 kN / sqm

⑦ Passed the ASTM G13 pipeline anti-corrosion impact resistance standard test method

⑧ Passed the freeze-thaw test in accordance with Section 5.5.2 of BS EN 12467: 2004

⑨ Pass the immersion-drying test according to BS EN 12467: 2004 section 5.5.5

⑩ Passed the water-saving permeability test in accordance with Section 5.4.4 of BS EN 12467: 2004

The above is the technical support provided by the cement blanket manufacturer. If necessary, you can call us directly.

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