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如何鉴别泡沫填缝剂的好坏

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如何鉴别泡沫填缝剂的好坏

发布日期:2017-07-14 作者: 点击:

虽然市面上泡沫填缝剂厂家众多,但真正物优价廉的泡沫填缝剂还需要擦亮我们的花眼金睛来一一甄别的。今天告诉大家如何来鉴别泡沫填缝剂的好坏:

泡沫填缝剂厂家

首先A、粘结力好B、固化后泡孔要细腻,不能有大孔C、不能收缩,这样也会拉坏门。D、发泡量大E、聚氨酯泡沫填缝剂固化后要有弹性,一般的质量不好的聚氨酯泡沫填缝剂是没有弹性的,只要用力一按就会塌下去。

2、什么是泡沫填缝剂以及发泡原理,使用范围,功能:

单组份泡沫填缝剂是气雾技术和聚氨酯泡沫技术交叉结合的产物.它是一种将聚氨酯预聚物、发泡剂、催化剂等组分装填于耐压气雾罐中的特殊聚氨酯产品。当物料从气雾罐中喷出时,沫状的聚氨酯物料会迅速膨胀并与空气或接触到的基体中的水分发生固化反应形成泡沫。固化后的聚氨酯泡沫填缝剂泡沫具有填缝、粘结、密封、隔热、吸音等多种效果,是一种环保节能、使用方便的建筑材料,可适用于密封堵漏、填空补缝、固定粘结,保温隔音,尤其适用于塑钢或铝合金门窗和墙体间的密封堵漏及防水。

3、泡沫填缝剂怎么用及分类:

泡沫填缝剂分枪式的和管式(通常所说的一次性的)两种,管式的主要是用于零售设计的,也就是说管式的只是适合家庭堵孔防漏用量不大的地方,方便存放和携带。而且,一般管式的产品质量都不是太好,大多公司750ML的包装以及质量好的产品是不会用管式的,因为管式的聚氨酯泡沫填缝剂比枪式的压力小,有时候会打不干净在一定程度上造成浪费,容易发生赌阀门打不出来等现象,另外,管式的聚氨酯泡沫填缝剂打出来的聚氨酯泡沫填缝剂泡孔没有枪式的细腻,膨胀力相对较大。枪式的其实成本比管式的要低。

4、枪式泡沫填缝剂的使用方法及步骤:

①取一把聚氨酯发泡枪,用聚氨酯清洗剂清洗一下确保畅通;②再取一瓶发泡剂,用手紧握住罐身中部,沿着罐身横向方向用力震摇至少20下,务必保证罐内预聚物充分混合;③去掉发泡剂螺纹圈上阀门的保护皮盖,取下发泡枪上的清洗剂,顺着螺纹把发泡剂罐身装到发泡枪的接口上;④握紧发泡枪手把,确保料罐置于上方,发泡枪在料罐的下方,打开发泡枪后部的流量调节阀;⑤枪头对准物件所要填充部位的底部或内部,轻轻扣动扳机,开始施工。可通过发泡枪后面的流量调解阀,调整到合适的流量。⑥一罐喷完后,如果还要填充,可立即取下空罐,按照第③点的办法重新装上发泡剂,继续施工。⑦施工完毕后,换上专用的清洗剂清洗发泡枪,以免残余的物料固化堵塞破坏发泡枪。

我们致力于保护版权,本文整理自网络文章,无法核实原出处,原作者如看到请与我们后台联系,谢谢。

Although there are a lot of bubble fillers in the market, but the real price of the foam caulking agent needs to shine our eye gold eye to see one by one. Today, I'll show you how to identify a bubble filler:

First A, the adhesive force good B, the foaming hole should be fine, cannot have big hole C, can not shrink, so also can pull bad door. D, foaming amount of large E, polyurethane foam filler will be elastic after curing, generally poor quality of polyurethane foam filler is inelastic, as long as the force one press will fall down.

2. What is foam filler and foaming principle, use range, function:

One-component foam filled seam an agent is a product of the aerosol technology and the integration technology of polyurethane foam. It is a kind of polyurethane prepolymer, foaming agent, catalyst loading in pressure aerosol cans of special polyurethane products. When the material is ejected from the aerosol tank, the foaming polyurethane material rapidly expands and solidifies with the moisture in the air or contact with the substrate to form a foam. After curing polyurethane foam gap filling agent has the caulking, bonding, sealing, heat insulation, sound-absorbing effect, is a kind of environmental protection and energy saving, easy to use, building materials, is suitable for sealing leak, fills up the seams, fixed bonding, heat preservation and sound insulation, especially suitable for plastic or aluminum alloy doors and Windows and wall body between the seal and waterproof.

3. How to use and classify foam filler:

Foam gap filling agent points gun type and tube type (commonly referred to as a one-off) two kinds, tube is mainly used in retail design, that is to say, leakproof tube type is suitable for family blocking dosage is not big, easy to store and carry. And general tubular product quality is not very good, most of 750 ml packing and good quality products of the company is not using tubular, because tube type polyurethane foam gap filling agent of low pressure gun, sometimes can't clean to a certain extent, wasteful, prone to bet on the valve play not to come out wait for a phenomenon, in addition, tube type of polyurethane foam gap filling agent of polyurethane foam gap filling agent hole without gun type foam, relatively large expansion force. The gun is actually cheaper than the tube.

4. Methods and steps for the application of gun type foam filler:

Take a polyurethane foaming gun and use polyurethane cleaner to clean it. Take a bottle of foaming agent, hold the middle of the tank with the hand, and shake at least 20 times along the transverse direction of the tank. Make sure that the prepolymer is fully mixed in the tank. Remove the protective cover of the valve on the screw thread of the foaming agent, remove the cleaning agent from the foaming gun, and put the foaming agent on the interface of the foaming gun. Make sure the tank is placed on top of the tank, and the foam gun is below the tank, and the flow control valve at the rear of the foaming gun is opened. The gun is pointed at the bottom or the inside of the area to be filled, gently pull the trigger and start construction. The flow mediating valve behind the foaming gun can be adjusted to the appropriate flow. When the tank is finished, if you want to fill it, you can immediately remove the empty can and re-install the foaming agent according to the method of the first point, and continue the construction. After the completion of the construction, a special cleaning agent is changed to clean the foaming gun, so as to avoid the residual material solidification blockage to destroy the foaming gun.

We are committed to protecting the copyright. This article is based on online articles which cannot verify the original provenance. If the original author sees please contact us in the background, thank you.


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