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Cellulose Ethers For Industrial Use

APPLICATION AND PRODUCT INFORMATION

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INTRODUCTIONIn the world of functional additives, GinShiCel MH or MHS grades are one of the most versatile types called Hydroxypropyl Methyl Cellulose (HPMC). In many industrial product formulations, GinShiCel MH Hydroxypropyl Methyl Cellulose (HPMC) can be used as a thickener, rheology modifier, suspension agent, wa-ter retention aid, emulsifier, lubricating agent, workability enhancer. In food and pharmaceutics industries, GinShiCel MHS grades of Hydroxypropyl Methyl Cellu-lose (HPMC) can be used as thickener, suspension agent, emulsifier and excipient.

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CONTENTS

NOMENCLATURE 5

PROPERTIES 6

GINSHICEL INBUILDING MATERIALS 14

General PropertiesStabilitySolubility

BenefitsApplicationsGinShiCel Usage Matrix

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NOMENCLATURE

GinShiCel®

MH = MHPCME = HEC

S = High Substitution

C4 = 400 cps 4 = 4000 cps 7 = 7000 cps 37 = 15000 cps 64 = 25000 cps133 = 40000 cps144 = 45000 cps256 = 48000 cps336 = 60000 cps592 = 85000 cps608 =100000 cps

A = Anti - sagL = Anti - slipX = Extended Open timeSD=Delay Hydration

1 - 5 = Modification Type

MH(S)336 - ALX3GINSHICEL

BRANDNAME

SUBSTITUTIONDEGREE

VISCOSITYNUMBER

MODIFICATIONS

MODIFICATIONNUMBER

SUBSTITUTIONTYPE

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PROPERTIES

ThickeningEffect

SurfaceActivity

WaterRetention

WidepH stability

FilmForming

ShearThinning

LubricantEffect

High SaltTolerance

Non - Ionic

ResistsEnzymes

GENERAL

GinShiCel®

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STABILITY

MH 64

10000

1000

100

MH 37

MH 7

MH C1

MH X5

MH C4

2 4 10 20

-1

40 100

Shear rate D, s

Vis

cosi

ty, m

Pa.s

Enzime Resistance

Shear Stress Stability

GinShiCel MH(S) in aqueous solution is a shear thinning liquid. With added shear force, the liquid’s viscosity will drop. But when the shear force is re-moved, the same solution recovers its original viscosity. This behavior is a blessing for workability for the building materials and the coatings industry.

GinShiCel MH(S) has very good resistance against enzymatic attacks and not as prone to viscosity degradation due to enzymatic attacks, therefore offers a better storage-ability.

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pH Stability

Unlike ionic cellulose ethers, GinShiCel MH(S) products are not highly affected by extreme pH conditions of its solution.

Temperature affects the viscosity, but the viscosity recovers back to original level once the solution returns to the original temperature.

2% GinShiCel MH 96

1% GinShiCel MH 96

1% GinShiCel MH 37

pH of Solution

2 4 6 8 1010

50

100

500

1,000

2,000

10,000

30,000

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Vis

cosi

ty a

t 25

C, c

ps

o

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Simply Better

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Surface Treated

SOLUBILITY

Surface treated products have been treated to aid cold water dispersion. Once dispersed, speed of viscosity develop will depend on water temperature and water pH.

Delayed HydratationDelayed hydration treat-ment is simply deeper surface treatment to delay the hydration of GinShiCel after having dispersed. This aids in controlling the exact vis-cosity development tim-ing in aqueous formula-tions. over 100 min.20 - 30 min.

Retardation

at pH 7, 20 °C

Surface treatedpowder

Special surfacetreated powder

Stirringtime

Vis

cosi

ty

1,000

800

600

400

200

1008060

40

20

1086

4

2

2 3 4 5 6 7 8 9 101

pH of Buffered Water

Hyd

ratio

n Ti

me,

min

At 5°C

At 15°C

At 25°C

At 35°C

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Gelling Temperature

Non-surface treated prod-ucts have a tendency to form lumps when added directly to cold water. To make aqueous solution, ei-ther first disperse in small amount of alcohol, then add water, or alternatively, use hot water to disperse, then allow to cool down.

Non - SurfaceTreated

Gelling temperature refers to the tempera-ture at which a solution becomes non-trans-parent, non-flowing. GinShiCel MH(S)

Vis

cosi

ty

Temperature

Gel-flocculation Temperature

Gel point

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Thickening Efficiency

Viscosity andConcentration

As concentration in-crease, the measured viscosity increases drasti-cally.

Viscosity andTemperature

For GinShiCel MH series (Hydroxypropyl Methyl Cellulose), as temperature in-creases, the viscosity decreases, until gelling point, where the viscosities increas-es dramatically.

Viscosity (mPa s)

Concentration of Ginshicel (%)

High Viscosity70,000mPa s

10

10

10

10

5

4

3

2

10

0 1 2 3 4

Low Viscosity4,000mPa s

Medium Viscosity30,000mPa s

Viscosity (mPa s)

Temperature (°C)0 20 40 60 80 100

10

10

10

10

3

2

4

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Viscosity andMolecular Weight

Viscosity andShear Rate

As molecular weight increases, the measured viscosities increases dramatically.

As spindle speed increases, so does shear force and shear rate, thus, the measured viscos-ity falls.

Mo

lecu

lar

wei

ght

(Mn)

Viscosity (mPa s)

10

10

10

10 10 10 10 10

4

6

8

1 2 3 4 5

MHPC 20000

10000

1000

100

MHPC 12000

MHPC 6000

MHPC 400

MHPC 100

MHPC 50

MC 2000

2 4 10 20

-1

40 100

Shear rate D, s

Vis

cosi

ty, m

Pa s

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PERTIES

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GINSHICEL INBUILDING MATERIALS

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• Every ingredient may have an im-pact on cement hydration, whether increasing or decreasing the rate thereof. Different cellulose ethers also affect cement hydration (ce-ment setting time) differently.

• Among all types of cellulose ethers used for building materials, GinShi-Cel MH(S) retards cement hydration (setting time) the least.

Benefits of GinShiCel

Influence on Cement Hydration

Water Retention and Water Demand

A) Water Retention

Water retention and water demand are not necessarily the same. For example with water soluble cellulose ether (GinShiCel MH and HE series), it is true. But many other things such as particle size and composition of all ingredients in the dry mix mortar, or other additives, may increase or decrease the water demand, but may not alter water retention.

The ability to retain water is one of the most critical functions of cellulose ether products in building materi-als, especially with cementi-tious binders. The more water a cellulose ether is able to retain, typically the stronger the mortar will be.

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B) Water Retention and Viscosity

D) Water Demand

C) Water Retention and Level of Substitution

Mortar water retention is a function of GinShiCel’s so-lution viscosity, low viscosi-ty product (specified at 2%) but high concentration, or high viscosity product (specified at 2%) but lower concentration.

Water demand is a term used to quantify how much water a dry mortar mix requires to reach a certain consistency.

At the same intrisic viscosi-ty and same concentration, higher level of substitu-tion of GinShiCel products leads to higher water re-tention.

075

80

85

90

95

100

0.20.1 0.3 0.4 0.5W

ater

rete

ntio

n (%

)

50,000 mPa s30,000 mPa s

15,000 mPa s

Addition rate of GINSHICEL (%)

075

80

85

90

95

100

0.20.1 0.3 0.4 0.5

Wat

er re

tent

ion

(%)

50,000 mPa s30,000 mPa s15,000 mPa s

Addition rate of GINSHICEL (%)G

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E) Water Demand and Workability

F) Water Demand, Viscosity and Mortar Strength

Higher water demand means re-duced workability and open time at normal level of water addition (the mortar becomes too thick and sticky), unless more water is added to reach a workable con-sistency

Water Demand (%)

Wo

rkab

ility

0.25 0.45

Increase of mortar viscosity by increasing GinShiCel concentration or specifiedGinShiCel viscosity leads to increased mortar water demand, which in turn in-creases open time and strength.In nearly all applications, higher water demand, to a point, will help with mortar strength.Unless the loss of water is a major problem, when the water demand is too high, the cement particles are spaced too far apart to develop adequate strength be-fore shrinkage cracks set in, usually due to per volume cement content too low.

Open time vs. GINSHICEL addition rate

Water demand (%)

Addition rate of GinShiCel MH 256 (%)

0 0.1

10

20

30

40

5021.0 27.5 33.5 43.5

0.2 0.3 0.4 0.5 0.6 0.8

Op

en ti

me

(min

.)

Strength vs. GINSHICEL addition rate

Water demand (%)

Tens

ile a

dhe

sio

n st

reng

th (M

Pa)

Addition rate of GinShiCel MH 256 (%)

0 0.1

0.5

1.0

1.5

2.021.0

5 min.

10 min. 30 min.

20 min.

27.5 33.5 43.5

0.2 0.3 0.4 0.5 0.6 0.8

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Modified ProductsG

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The world of modern building materials is undergoing a revolu-tion, and speed, efficiency, and quality all must increase, while working time and effort all must decrease. This means better for-mulation to take advantage of new tools, new work methods, and new production methods. However, climatic and raw ma-terial differences can mean tremendous changes in formulation from one production and market location to the next. Fortunately, modified GinShiCel products tackle these challeng-es head on. With these types of modifications, a number of goals to varying degrees can be achieved. These include: Extended open time, Slip resistance, and Sag resistance.

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Extended Open Time

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Open time is one crucial measure of how well a mortar will keep the strength after it has been left alone for a while then deformed.

In tile adhesives, it means the length of time before a tile must be applied onto the mortar prior to less than 50% adhesion surface or less than 0.5 N/mm2. In plasters, it means the length of time before perfect repair smooth-ing becomes highly difficult.

It is relatively easy to have a 20 min-ute open time under ideal conditions, but actual working conditions are any-thing but ideal. And with short mor-tar open time, workers will experience faulty work results and low productiv-ity.

Certain GinShiCel modified grades allows an extended open time, thus allowing proper amount work to be done with high efficiency and high quality.

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Slip Resistance

The modern, low absorptive tiles are extremely difficult to hang, given that they have a tendency to slip after being fixed onto the mortar. Select GinShiCel products are modi-fied to counter this tendency.

In adhesive mortars, this type GinShiCel will allow the tile to not slip at all, which not only make the finished work look much more appealing, but will also reduce the work time re-quired to achieve such an ef-fect.

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Sag Resistance

Easy Workability

In the case of projection plasters and thick layer manual plasters, GinShiCel im-parts sag resistance, so that the plaster will not flow down the wall under its own weight.

Beyond the above listed functional modifications, modified GinShiCel products also have easier workability, especially for higher viscosity types. These higher viscosity types typically have a high stickiness, which makes finishing difficult. But modified GinShiCel products make sure the mortar sticks to the wall, and not to the trowel.

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APPLICATIONS

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Base Coat Render / Plaster

Thick layer mortars such as base coat plasters not only must develop strength and crack resistance but also must not sag after leveling and provide an extended work-ing and correction time. This and many other characteristics are provided by Gin-ShiCel MH(S) cellulose ethers.

Strength development and crack resistance are highly correlated with water re-tention capability and viscosity. Usually, higher viscosity or higher cellulose ether concentration means higher water retention. But extremely high viscosity leads to reduced workability. So water retention and workability often have to counter-balance.

Sag resistance are imparted by primarily by the proper cellulose ether modification, which have added mortar thickening ability. Note however, this added thickening does not necessarily lead to loss of workability nor increased water retention.

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GinShiCelRecommended

Grades

FinalThickness

(cm)

Potential Mortar Yield

Water Demand

WaterRetention

SagResistance

Correction Time

Workability Cement Setting Speed

MH 608-ALX 0.5 ●●●○ ●●○○ ●●●● ●●○○ ●○○○ ●○○○ ●●●●MH 133-ALX3 1.0 ●●○○ ●●○○ ●●○○ ●●●● ●●●○ ●●●● ●●○○MH 512-AX 1.5 ●●●○ ●●●○ ●●●● ●●●○ ●●○○ ●●○○ ●●●●MH 256-ALX3 2.0 ●●○○ ●●●○ ●●●○ ●●●● ●●●○ ●●●○ ●●○○MH 336-ALX3 2.5 ●●●● ●●●● ●●●● ●●●● ●●●○ ●●●○ ●●●○

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Skim coat plasters (Finishing Coat, Decorative Coat)

Whether referred to as skim coat, finishing coat, decorative coat, the basics are the same: a final and decorative layer of cement plaster that is either hand smoothed, or hand textured.

This usually very thin, high quality and high cost layer of mortars puts unusually high requirements on water retention and ability and long working and correction time. In comparison with one of the most popular grades for this application, Ginshicel products have shown to have higher water demand, higher water retention, AND extended correction time.

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GINSHICELRecommendations

WaterDemand

WaterRetention

Correction Time

PotentialYield

MH 133 ●●●○ ●●●○ ●●●○ ●●●○

MH 133M ●●●○ ●●●○ ●●●● ●●●○

MH 256-X2 ●●●● ●●●● ●●●● ●●●●

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Tile Adhesives

Cement based tile adhesives are one of the highly demanding applications of cel-lulose ethers. Depending on the region and climate, there may be significant dif-ferences of opinion as to what is important among the many manufacturers of such adhesives. Further more, characteristics imparted by cellulose ether, such as water retention, open time, and influence on cement setting are sometimes conflicting. For example, ultra high viscosity cellulose ether has excellent water retention, but gives only very basic open time. And low viscosity cellulose ethers provide excel-lent open time, but their water retention is not very good at all, unless used at higher dosages, which then retards the cement setting more.

With GinShiCel’s line of modified products, much of the conflict is solved. For start-ers, GinShiCel MH(S) cellulose ethers DOES NOT retard the cement hydration as much. On top of that, GinShiCel MH(S) cellulose ethers are more balanced with regards to water retention, open time, and water demand.

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GinShiCelRecommended

Grades

WaterDemand

WaterRetention

SlipResistance

OpenTime

CementSetting Speed

MH 133-ALX2 ●○○○ ●○○○ ●●●○ ●●●● ●●●○MH 133-ALX3 ●●○○ ●○○○ ●●●● ●●●● ●●○○MH 256-X2 ●●○○ ●●○○ ●○○○ ●●●○ ●●●○MH 256-ALX3 ●●●● ●●●○ ●●●● ●●●● ●●○○MH 336 ●●●○ ●●●○ ●○○○ ●●○○ ●●●●MH 336-X3 ●●○○ ●●●○ ●○○○ ●●●○ ●○○○MH 336-ALX3 ●●●● ●●●● ●●●● ●●●○ ●●○○MH 592 ●●●● ●●●● ●○○○ ●○○○ ●●●●MH 592-ALX ●●●● ●●●● ●●○○ ●●○○ ●●●○

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Tile Grouts and Joint Fillers

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Properly formulated, tile grout not only serve the practical purposes of being a joint filler and water proofer, but serves as functional decoration, since it can be very colorful to complement the tiles.

But tile grout also requires different and conflicting properties: good water reten-tion and good suspension at low consistency and superb workability, but without too much flow. That conflicting property is achieved very easily with some of the lower viscosity GINSHICEL MH(S) grades.

GINSHICELRecommended

GradesViscosity

WaterDemand

WaterRetention

SagResistance

WaterDispersibility

SwellingSpeed

MH 37-S 15,000 ●●○○ ●○○○ ●○○○ ●●●● ●○○○

MH 64-ALX3 20,000 ●●●● ●●○○ ●●●● ●○○○ ●●●●MH 133 40,000 ●●●○ ●●●○ ●●○○ ●○○○ ●●●●

Gypsum Plaster

Besides cement, Gypsum is another highly utilized construction material for plas-tering. Not only is it strong, it is also an effective moisture regulator for the interior, provided that the finished gypsum plaster is not exposed to water or excessive moisture. However, Gypsum plasters have an inherent weakness: it has a much lower water demand, and thus it is much more flowable than cement, so at the same water level, ordinary anti-sagging for cement will not prevent gypsum plaster sagging problems.

Luckily, GINSHICEL MHG 1511 overcomes this problem by giving gypsum plasters the sag resistance and water demand it requires.

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EIFS / ETICS

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External insulation systems consist of several layers of different mortars, but each type of mortar requires different set of properties, some layers needs to have low water content since there’s very little water loss while some layers requires a much higher amount of water since significant water loss can occur by evaporation and substrate absorption.

That’s why GINSHICEL MH series have a high range of products that fit the require-ments of each mortar layer of EIFS / ETICS.

GinShiCel Recommended

Grades

Viscosity, cP, 20°C, BKF RV

Water Demand

Water Reten-

tion

Sag Re-sistance

SlipResistance

Open Time

Correc-tion Time

Workabi-lity

Cement Setting Speed

MH 64-ALX3 20,000 ●●○○ ●○○○ ●●● ●●● ●●●● ●●●● ●●●● ●●●○MH 133-ALX2 40,000 ●●○○ ●●○○ ●●○ ●●○ ●●●● ●●●● ●●●● ●●●○MH 133-ALX3 40,000 ●●●○ ●●○○ ●●● ●●● ●●●● ●●●○ ●●●○ ●●●○MH 256-ALX3 50,000 ●●●● ●●●○ ●●● ●●● ●●●● ●●●○ ●●●○ ●●●○MH 336-ALX3 60,000 ●●●● ●●●● ●●● ●●● ●●●○ ●●●○ ●●●○ ●●●○MH 336-X3 60,000 ●●●○ ●●●● ●○○ ●○○ ●●●● ●●●○ ●●○○ ●●○○G

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Industrial Paints & Reflective Elastomeric Coating

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GinShiCel MH(S) cellulose ethers, being highly efficient and stable thickeners, can be used as a very cost effective substitute for Hydroxyethyl Cellulose (HEC) water-based paints where the final color is white or off-white. In fact delayed hydration grades GinShiCel MH(S) cellulose ethers (-SD modification) have won the accolade of paint manufacturers all over the world. Due to the fact that GinShiCel MH(S) cellulose ethers have higher viscosity, typical HEC is no match when it comes to thickening efficiency.

There are three predominant markets for such types of paint: rental apartments, in-dustrial, and reflective elastomeric roof coating, and all of which can heavily benefit from the performance-to-price ratio of GinShiCel MH(S) cellulose ethers.

GINSHICEL Recommen-ded Grades

ViscositySwelling

Start Time (minutes)

Spatter Resis-tance

Sag Re-sistance

Brusha-bility

Scrub Resis-tance

Enzyme Degrada-tion Pro-tection

Storage Syneresis

Prevention

MH 37-S 15000 5 ●●●● ●○○○ ●○○○ ●○○○ ●●●○ ●○○○

MH 96-SD 30000 30+ ●●●○ ●●○○ ●●○○ ●●○○ ●●○○ ●●○○

MH 256-SD 50000 30+ ●●○○ ●●●○ ●●●○ ●●●○ ●●○○ ●●●○

MH 336-SD 60000 30+ ●○○○ ●●●● ●●●● ●●●● ●○○○ ●●●●

MH 592-SD 90000 30+ ●○○○ ●●●● ●●●● ●●●● ●○○○ ●●●●

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GradesGrades

PropertiesPropertiesPropertiesPropertiesPropertiesPropertiesPropertiesPropertiesPropertiesProperties

Viscosity, cP, 20°C, BKF RV

Water Demand

Water Retention

Open Time

Anti-Sag Anti-SlipConsistency

DevelopmentConsistency

DevelopmentFinal

Consistency

Influence on Cement Setting

MH C4

MH 37-S

MH 64-X3

MH 96-SD

MH 133

MH 133-M

MH 133-ALX2

MH 133-ALX3

MH 256-X2

MH 256-ALX3

MH 256-SD

MH 336

MH 336-ALX3

MH 336-X3

MH 336-SD

MH 512-AX

MH 592

MH 592-ALX

MH 592-SD

MH 608-S

MH 608-ALX

MHG 1511

GradesGrades

MH C4

MH 37-S

MH 64-X3

MH 96-SD

MH 133

MH 133-M

MH 133-ALX2

MH 133-ALX3

MH 256-X2

MH 256-ALX3

MH 256-SD

MH 336

MH 336-ALX3

MH 336-X3

MH 336-SD

MH 512-AX

MH 592

MH 592-ALX

MH 592-SD

MH 608-S

MH 608-ALX

MHG 1511

400 ○○○○ ●○○○ - - - ●●●●●● ○○○○○ low

15,000 ●○○○ ●○○○ ●●●● ○○○ ○○○ ●●○●●○ ●○○○○ low

20,000 ●○○○ ●○○○ ●●●● ○○○ ○○○ ●●●●●● ●●○○○ high

30,000 ●●○○ ●●○○ ●●●● ○○○ ○○○ ●○○●○○ ●●○○○ low

40,000 ●●○○ ●●○○ ●●●○ ○○○ ○○○ ●●●●●● ●●○○○ low

40,000 ●●○○ ●●○○ ●●●○ ○○○ ○○○ ●●●●●● ●●○○○ high

40,000 ●●○○ ●●○○ ●●●● ●●○ ●●○ ●●●●●● ●●●●○ medium

40,000 ●●●○ ●●○○ ●●●● ●●● ●●● ●●●●●● ●●●●○ medium

50,000 ●●○○ ●●●○ ●●●○ ●○○ ●○○ ●●●●●● ●●●○○ low

50,000 ●●●○ ●●●○ ●●●● ●●● ●●● ●●●●●● ●●●●○ medium

50,000 ●●○○ ●●●○ ●●○○ ●○○ ●○○ ●○○●○○ ●●●○○ low

60,000 ●●●○ ●●●● ●●○○ ●○○ ●○○ ●●●●●● ●●●○○ low

60,000 ●●●○ ●●●● ●●●○ ●●● ●●● ●●●●●● ●●●●○ medium

60,000 ●●●○ ●●●● ●●●● ●○○ ●○○ ●●●●●● ●●●○○ high

60,000 ●●●○ ●●●● ●●○○ ●○○ ●○○ ●○○●○○ ●●●○○ low

70,000 ●●●● ●●●● ●●●○ ●●● ●●○ ●●●●●● ●●●●● medium

75,000 ●●●● ●●●● ●○○○ ●●○ ●●○ ●●●●●● ●●●●● low

75,000 ●●●● ●●●● ●●●○ ●●● ●●● ●●●●●● ●●●●● medium

75,000 ●●●● ●●●● ●○○○ ●●○ ●●○ ●○○●○○ ●●●●● low

80,000 ●●●● ●●●● ●○○○ ●●○ ●●○ ●●○●●○ ●●●●● low

80,000 ●●●● ●●●● ●●○○ ●●● ●●● ●●●●●● ●●●●● medium

45,000 ●●●● ●●●● ●●●○ ●●● ●●● ●●●●●● ●●●●○ high

Applications in Building MaterialsApplications in Building MaterialsApplications in Building MaterialsApplications in Building MaterialsApplications in Building MaterialsApplications in Building MaterialsApplications in Building MaterialsApplications in Building Materials Other ApplicationsOther Applications

Base Coat Manual Plaster

Top / Skim Coat / Manual

Plaster

Tile Adhesive

Tile Grout

EIFS / ETICS

Gypsum Manual Plaster

Extruded Cement Panels

Self-Leveling

Water-based Paints

Detergents

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GinShiCel Usage Matrix

33

GinShiCel MH and MHS grades of Hydroxypropyl Methyl Cellulose are by far one of the most environmentally friendly products in the chemical industry. We utilize cotton linter pulp as raw material, which is plentiful but normally a wasted byproduct of cotton production instead of high latitude slow growing softwood trees. Annually, more than 200,000 tons of usable pulp produced from these slow growing trees are consumed by European, American, Japa-nese, and Korean producers for cellulose ether production. This is the equiva-lent of more than 100,000 trees!GinShiCel MH and MHS grades are also completely non-toxic in its content. While some may be approved for only general industrial use, they are still no more toxic than wood mill flour if accidentally inhaled, ingested, or exposed to skin/eye contact.

YOUR PATH TO EFFICIENCY AND SUSTAINABILITY

Lihai Industrial ZoneShanghyu City,Zhejiang Province,China 312366.

+86-0575-8278-0578+86-0575-8277-1119

www.ginshicel.cnwww.haishenchem.com