Acid attack is the consequences while concrete reacts with acid. By the way, the concrete is an alkaline base structure which support the development of a metropolitan city. In addition, the concrete is a reaction substance from several ingredients, and no doubt, the cement is the major raw material. Even though the cement is the […]
Continue Reading...
The Paint Stripper PS-8 is a paint remover solution for removing an overflow paint on the surface. Many users used to apply Thinner solution but the effect is less effective. Perhaps, the PS-8 Paint Stripper is much more effective in paint stripping. Thinner solvent or Thinner water, is a very volatile solution. It consists with […]
Detergent foam breaking is a common scenario where we face in the cleaning industrial. Spray the defoamer or adding certain level of anti-foam agent in the solution will helps the situation. Unfortunately, selecting an appropriate defoamer may need your attention. Comes to defoamer selection, foam breaking performance should not be the only criteria. As we […]
We want to discuss about defoamer chemistry in this article. After our launching the NS Defoamer, we do follow up with bubble management and silicone free defoamer to brief our reader from application perspective. Besides the application perspective, we also want to talk about the defoamer from the chemistry point of view. This article will […]
Continue Reading...The Natural Black Lava Stone and PVA Foam Cube
Comparing the natural black lava stone and the PVA foam cube. Some of the aquarium lover are using lava stone to cultivate the microorganism in the water. This is very similar application by using the PVA foam cube in the wastewater treatment industry. We purposely get a pack of the lava stone from one of […]
Continue Reading...
The non-silicone based defoamer becomes a scarcity product as most of the defoamer in the market are silicone based product. Even though the silicone based formulation is out-beating in performance, but there are always a niche market that the user has to select the non-silicone based product. While we stir up a detergent solution, we […]
Understand the chemical route of entry to our body is the first awareness we have to learn. This is the lesson 101 in order to protect ourselves from letting the chemical going into our body and cause damage. This awareness is to protect ourselves not only during handling hazardous material but also ordinary substance. We […]
Continue Reading...
Lately, we come across an abrasive sponge block in a hardware shop, the product is so similar to our PVA sponge block. In quick glance, the product looks familiar to us, just bond a layer of abrasive oxide on the outer layer of the square PVA sponge. This is a kind of abrasive sanding sponge […]
People worry about UV light may degrade the detergent but in most cases, the effect may not be significant. The sunlight supports our life and plants growing, but it also comes along with a certain level of UV light. UV is a kind of solar radiation which accessive amount will bring adverse effect to the […]
昨天我在电视上看到，大马卫生总监说大马将成为东南亚第一个正式启动西药瑞德西韦（Remdesivir）来治疗 COVID-19的验证工作。虽然我现在大多精力用来开发消毒液(Sanitizer），但在这个节骨眼上，我认为也是值得写上一些，大家一起抛砖引玉。 西药 Remdisivir 到底是什么药物？ Remdisivir 这个西药的制药厂是 Gilead 公司，www.gilead.com。 当医生正在焦头烂额的对付COVID-19 的肺炎，怎么Gilead 公司那么快就有了 Remdisivir 这个药物呢？其实Remdisivir 这个药物在更早之前已经开发出来了，是一种用来治疗 因为 RNA病毒引起的药物，比如说用来治疗丙肝病毒及Ebola 病毒。只是说这个药物从开发出来之后，就一直没排上用场，一直搁在Gilead 公司的资料库里。虽然经过了几次的大规模检测有效性，但是在使用上也没被 美国 FDA 认可。 因为 COVID-19 也是一种RNA 的病毒，因此这个药物就被要上再次拿上来检讨有效性。也因为医学界迫切需要一种药物，虽然 Remdisivir 还没被美国FDA 认可，但是也被医生以“特采”方式，用来当医疗上的救命稻草。 西药Remdisivir 到底能够有效治疗 COVID-19吗？ 美国NIAID研究所，Anthony Fauci, 在29/Apr/2020 这一天在白宫记者会上宣布他的团队针对Remdisivir 治疗 COVID-19给出了正面（Positive）的回复，他说Remdisivir可以“清晰地、显著的缩短疾病好转的时间”。大家一起来琢磨这句话的意思。 在同一天，也是29/Apr/2020, Gilead 也发布了第一阶段用 Remdisivir 这个药物用来治疗 COVID-19 的结果，当然这个也是初步的，还没最终定论。Gilead公司的CEO就在同一天，发表了一封公开信，说Gilead 公司的Phase3 Simple Trial，从数据上看到重症患者的从的康复时间从10天可以缩短到5天。也就是说透过 Remdisivir的药物治疗，从原先的10天治疗周期可以缩短到5天。至于里头还有一些说明，有兴趣的朋友可以自己在Gilead 公司的网站上找来阅读吧！ 我们到底有需要Remdisivir 药物吗？ 从目前美国的情况来看， 我认为Remdisivir 最终会被美国 […]
