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So far Kisa Wu has created 29 blog entries.
5 07, 2023

The Impact of Industrial Naphthalene Price Fluctuations on Naphthalene-Based Water Reducer Market

By |2023-07-05T04:08:04+00:00July 5th, 2023|Gypsum Materials|0 Comments

Naphthalene is an organic compound with the formula C10H8. It is the simplest polycyclic aromatic hydrocarbon and is a white crystalline solid with a characteristic odor that is detectable at concentrations as low as 0.08 ppm by mass. Industrial naphthalene is white or reddish, yellowish flaky crystals, has a unique smell, is volatile [...]

21 12, 2021


By |2021-12-21T02:42:09+00:00December 21st, 2021|Gypsum Materials|0 Comments

DEFINITION ALPHA GYPSUM is a common ingredient for making plaster. Alpha gypsum is made by processing gypsum stone into a fine powder and is well regarded for its strength and low absorptive levels. DIFFERENCE PHYSICAL PROPERTIES 1.Hemihydrate gypsum has two forms: α and β, both of which are rhombic [...]

25 11, 2021

EPS Auto Batch Pre-Expander, EPS Beads Making Machine

By |2023-11-05T02:30:43+00:00November 25th, 2021|Gypsum Materials|0 Comments

EPS Beads Making Machine   EPS auto batch pre-expander, EPS beads making machine is functioned to expand EPS raw material to the required density. Material filling and expanding are done batch by batch, so it’s called Batch pre-expander. EPS auto batch pre-expander EPS beads making machine is a complete automatic EPS machine. [...]

22 11, 2021

New Updates from China on 22 November 2021

By |2021-11-22T03:07:04+00:00November 22nd, 2021|Gypsum Materials|0 Comments

In terms of upstream silicon metal, the price of silicon metal (441#) showed a sustained bottoming out this week, kindly refer to below image. The overall domestic silicone DMC market rebounded slightly and tended to stabilize. The National Development and Reform Commission recently announced the completion of the dual control targets for [...]

17 11, 2021

What Causes Gypsum Board Heavy?

By |2021-11-17T06:46:11+00:00November 17th, 2021|Gypsum Materials|0 Comments

STANDARD WEIGHT IN CHINA The Chinese gypsum board standard stipulates that the surface density of the corresponding thickness of the gypsum board is: the surface density of the 12mm thickness gypsum board should not be greater than 9.0kg/m2. REASON ONE: GYPSUM QUALITY If the quality of the gypsum board [...]

15 11, 2021

Researchers Predict an Annual Growth Rate of 5% in Gypsum Demand By 2030

By |2021-11-17T03:29:51+00:00November 15th, 2021|Gypsum Materials|0 Comments

Market research organization Future Market Insights (FMI) estimates that between 2022 and 2030, the compound annual growth rate of all applied gypsum markets in the world will reach 5%. FMI stated that this would be due to the global construction industry's growth, digitization, and technological advancement. FMI noted that economic activity must first return [...]

27 09, 2021

Top 10 Gypsum Wallboard Producers In 2021

By |2021-09-27T03:34:18+00:00September 27th, 2021|Gypsum Materials|0 Comments

There are 99 different active producers of gypsum wallboard in 2021. The top 10 gypsum wallboard producers in 2021: 1. Knauf ● 3294Mm2/yr 2. BNBM ● 2832Mm2/yr 3. Saint-Gobain ● 3294Mm2/yr 4. National Gypsum ● 794Mm2/yr 5. ETEX Group ● 721Mm2/yr 6. Georgia-Pacific ● 677Mm2/yr 7. Yoshino Gypsum ● 631Mm2/yr 8. American Gypsum [...]

26 07, 2021

How Many Years Can Silicone Oil Keep in Stock?

By |2021-07-26T03:19:31+00:00July 26th, 2021|Gypsum Chemicals|0 Comments

How many years can silicone oil keep in stock? Silicone oil, used as a waterproof additive in gypsum board production, is stable chemistry and therefore does not have an official shelf life. In general, the shelf life is a minimum of 12 months when the material is kept in the original container [...]

12 07, 2021

Silicone Fluid is Efficient to Improve the Water-Resistance of Gypsum Plasterboard

By |2021-07-12T03:21:39+00:00July 12th, 2021|Gypsum Chemicals|0 Comments

Adding silicone fluid is efficient to improve the water-resistance of gypsum plasterboard. As the water repellent agent methyl hydrogen silicone fluid added into the gypsum, the polysiloxane with -Si-O-Si main molecular chain and organic molecular side chain will combine with -OH molecular chain in gypsum raw material, to form a low tension [...]

29 06, 2021

2019-2020 DMC Domestic Market Price Trend

By |2021-06-29T03:11:27+00:00June 29th, 2021|Gypsum Chemicals|0 Comments

Organic Chemical Material: Silicone DMC from the year 2019 compared to 2020 in the above chart. Looking back at the main trend of DMC in 2019, the market is still suppressed first and then increased. The price fluctuations throughout the year were noticeable and soaring, and emergency stops are the norm. [...]

7 06, 2021

Naphthalene Water Reducing Agent Plays an Important Role in Plasterboard Production

By |2021-06-07T01:43:11+00:00June 7th, 2021|Gypsum Materials|0 Comments

The water-reducing agent is an additive that can keep the working fluidity of gypsum slurry unchanged and significantly reduce the added amount. Adding water reducing agent in the production of gypsum board, even in the case of a lower water-to-slurry ratio, still can improve the proper fluidity of gypsum slurry. Therefore, reducing the amount [...]

30 05, 2021

Fiberglass Improve Plasterboard Strength and Toughness

By |2021-05-30T23:14:39+00:00May 30th, 2021|Gypsum Materials|0 Comments

Fibre materials can be added to the gypsum slurry to improve the gypsum board's strength and toughness. The requirement for the use of fibre materials is to strengthen the strength of the gypsum board while not affecting the strength, density and elasticity of the gypsum board, adhesion, etc. Fibre materials play a [...]

25 05, 2021

Foaming Agent is a Vital Additive in Gypsum Board

By |2021-05-25T01:53:03+00:00May 25th, 2021|Gypsum Materials|0 Comments

Since the development of the gypsum board, people have become more demanding on the board's weight. Under the premise of ensuring strength, gypsum boards with a smaller unit weight are more and more popular. It saves transportation costs, reduces construction personnel's labour intensity, and facilitates its application in high-rise buildings. Therefore, the foaming agent is [...]

17 05, 2021

An Unprecedented Rise in China’s Various Industries Mainly Due to International Politics & Finance

By |2021-05-17T02:27:35+00:00May 17th, 2021|Gypsum Materials|0 Comments

Unfortunately, China's various industries will have an unprecedented rise due to many reasons, ranging from 5% to 20%. Apart from the exchange rate and raw material, the major factors are international politics and finance. Due to COVID-19, many countries are constantly issuing currency to ease the economic crisis. The United States uses [...]

15 05, 2021

Automatic Stacking Machine for Ceiling Tiles

By |2021-05-15T23:17:43+00:00May 15th, 2021|Gypsum Related Machine|0 Comments

Summary Many factories still use manual palletizing machines with low production capacity and require at least two human workers. This ceiling tiles machine solves the palletizing problem, achieving automatic stacking function, reducing labour, saving costs, and increasing production efficiency. Gypsum Board Lamination Machine 1. Easy to install and easy to operate 2. Full-automatic [...]

19 04, 2021

How to Calculate the Running Speed of Gypsum Board Dryer

By |2021-04-22T01:50:31+00:00April 19th, 2021|Gypsum Materials|0 Comments

Some customers told us that their blades were not applied as it was expected, kindly advise to check the dryer running speed, the moisture will cause the blade to bad cutting performance. Make sure the board is fully dried.  Here is the example, let's set the gypsum board length of the production [...]

9 03, 2021

Chinese Raw Material Price Analysis in Early 2021

By |2021-03-09T22:39:50+00:00March 9th, 2021|Gypsum Materials|0 Comments

China Manufacturing Raw Materials Purchase Price Index is at a current level of 67.10, up from 53.80 one year ago. This is a change of 24.72% from one year ago. In 2020, worldwide demand for oil fell rapidly as governments closed businesses and restricted travel due to the COVID-19 pandemic. The average [...]

25 01, 2021

The Development of Superplasticizer

By |2021-01-25T02:40:28+00:00January 25th, 2021|Concrete Admixtures|0 Comments

From the perspective of the performance development process of water reducing agents, the development of water-reducing agents can be divided into the following four stages:① Development and application of ordinary water-reducing agents represented by lignosulfonate;② Superplasticizer represented by β-naphthalenesulfonate formaldehyde condensate (PNS) and sulfonated melamine formaldehyde condensate (PMS);③ A superplasticizer with slump retention ability modified [...]

18 01, 2021

Gypsum Cornice Production Line

By |2021-01-18T23:03:52+00:00January 18th, 2021|Gypsum Related Machine|0 Comments

SUMMARY Automatic gypsum cornice production line is composed of a dosing system, mixing system, foaming system, transporting line system, cleaning system, maintenance and drying system, etc. The traditional manual procedure cannot control the quality, especially lead cornice to low strength, poor waterproof performance. With our R&D, now problems solved by this production line, the [...]

6 01, 2021

OEM Logo Sealing Kraft Tape for Gypsum Board Manufacture

By |2021-01-06T02:48:27+00:00January 6th, 2021|Gypsum Materials|0 Comments

We are sharing you some information about gypsum edge tape, which can seal two boards together only with water, no pollution. The popular edge tape most of gypsum board factories applied, specification as below: 1. Width: 50mm 2. Length per roll: 1000m 3. Paper: 68GSM/sqm 4. Glue: 20GSM (123microns) 5. Flexo printing 6. Glue: [...]

6 12, 2020

Three Breakouts for Naphthalene-Based Water-Reducing Agent

By |2020-12-06T23:17:41+00:00December 6th, 2020|Gypsum Materials|0 Comments

The main component of the naphthalene basis superplasticizer is the sodium salt of naphthalene sulfonic acid formaldehyde condensate, which is widely applied in concrete and cement. The characteristics of sodium naphthalene sulfonate are high water reduction rate, a low impact on the concrete setting time and low air-entraining properties. Because of these [...]

1 12, 2020

Sodium Naphthalene Sulfonate is Widely Used in Various Concrete

By |2020-12-06T23:14:48+00:00December 1st, 2020|Concrete Admixtures|0 Comments

High range water reducer is the key material and essential technical means for preparing advanced cement-based materials. The use of superplasticizer can produce ultra-high-strength concrete with a compressive strength of 120-150MPa, which is far higher than the strength level of cement, which ensuring concrete has good construction performance. At present, the synthesis [...]

23 11, 2020

Material Trend for Silicone Oil Start from October 2nd 2020

By |2020-11-23T03:41:52+00:00November 23rd, 2020|Concrete Admixtures|0 Comments

Chemical material for silicone oil is increasing crazily nowadays, below is the related material trends. DMC prices continue to rise, making the supply of goods insufficient, monomer manufacturers entertained and accept orders in limited quantities. The superimposed emergencies have caused the downstream products to follow up. It is expected that the supply pressure on [...]

10 11, 2020

Development of High Range Water Reducer

By |2020-11-10T02:16:36+00:00November 10th, 2020|Concrete Admixtures|0 Comments

High range water reducer, HRWR, has different names in different countries. Europe and the United States used to call it superplasticizers, SP; Germany named it superverflussigar; In Japan call it air-entraining (AE) high range water reducer. In the development process of concrete technology, the invention and application of superplasticizers are recognized as [...]

17 09, 2020

Experimental Study On the Adaptability Of the Water-reducing Agent in the Production Of Gypsum Board

By |2021-06-07T01:15:31+00:00September 17th, 2020|Gypsum Chemicals|0 Comments

Abstract: According to the actual situation there are poor adaptability between water reducing agents and gypsum in the production of plaster board, three types of water-reducing agent are chosen in this subject: lignin, naphthalene and polycarboxylate. Based on the requirements of the production process,effects of three different types of water-reducing agent on setting time, [...]

9 09, 2020

Gypsum Board Adhesive-Modified Starch

By |2020-09-09T04:26:53+00:00September 9th, 2020|Gypsum Materials|0 Comments

1. The Function of Gypsum Board Adhesive The production and molding of the gypsum board is the bonding of gypsum board surface paper and gypsum slurry. The surface paper must be firmly bonded to the gypsum board core, so that the gypsum board has a specific strength. The effect and performance of the adhesive [...]

4 08, 2020

Methyl Hydrogen Silicone Fluid Improve The Water Repellent Performance Of Building Gypsum

By |2020-08-14T03:07:25+00:00August 4th, 2020|Gypsum Chemicals|0 Comments

Introduction Gypsum building material has excellent fire resistance, air permeability and sound absorption property. The excellent appearance of white color and smooth structure is good for decoration, combined with lightweight and relatively low prices, and gypsum building materials were developing very rapidly in recent years. Currently, the gypsum building material is mainly [...]

3 08, 2020

A Full Supply Chain for Gypsum Related Products Factories Gypsum Chemicals & Gypsum Materials

By |2020-08-04T23:24:26+00:00August 3rd, 2020|Gypsum Materials|0 Comments

What is VISIGHT mission? At VISIGHT, our approach to safety and quality chemicals and materials to is be your most reliable and resourceful partner. We pride ourselves on being an Outstanding Materials Supplier. What kind of customers is VISIGHT focusing on? VISIGHT offers a [...]

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