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规格或纯度: Bentone SD-2,适于中高极性溶剂
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库存信息

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库存信息

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货号 (SKU) 包装规格 是否现货 价格 数量
B102861-500g 500g 现货 Stock Image
B102861-2.5kg 2.5kg 现货 Stock Image
B102861-10kg 10kg 现货 Stock Image

基本描述

规格或纯度 Bentone SD-2,适于中高极性溶剂
英文名称 Bentonite
别名 膨润土;蒙脱土
英文别名 Montmorillonite;Optigel WM;Tixogel VP
储存温度 干燥
运输条件 常规运输
产品介绍

General Information

BENTONE SD-2 rheological additive is an organic derivative of a bentonite clay. It is designed for use in moderate to high polarity systems containing solvents such a ketones, esters, glycol ethers and alcohols, including polar systems with some aromatic solvents.

BENTONE SD-2 is easy to incorporate and can be added dry to the pigment grinding process without requiring the use of a chemical activator or the preparation of a pregel. It may be?used for post correction.

CHEMICAL & PHYSICAL PROPERTIES

Compositionorganic derivative of a bentonite clay
Color / Formvery light cream, finely divided powder
Density1.62 g/cm3
Particle size(dispersed)less than 1 micron

These are typical properties not to be used for specification purposes.
Application

Acid-curing systems

Adhesives

Anti-corrosion paints

Automotive finishes/primers

Epoxy systems

Foundry paints

Gravure printing inks

Industrial finishes

Inorganic zinc-rich coatings

Maintenance coatings

NC lacquers/inks

Paint removers

Polyester repair putties

PU two-pack systems

Sealants

Vinyl paints (high-build)

KEY PROPERTIES

Is a cost-effective replacement for conventional organoclay additives

Disperses very easily, even under low shear conditions

Provides stable viscosity build, controls sag and pigment settling

Eliminates the need for pregels

Needs no chemical activator

Can be added as a powder to the millbase either before or after the pigment dispersion or during letdown.

INCORPORATION

BENTONE SD-2 is simple and easy to incorporate in moderate to high polarity systems. It may be added dry to the grinding step together with the other dry raw materials such as pigments and fillers. When dispersed in the millbase concentrate it develops its full rheological properties. The addition of a chemical activator is not necessary.

When added to the pigment grind, BENTONE SD-2 is not sensitive to high temperatures and does not require a minimum temperature for activation.

The wet ability and dispersibility of BENTONE SD-2 additive decreases as the proportions of aromatics and low-polarity solvents in the system increase.

BENTONE SD-2 may be used for post-correction after letdown. Pre-tests are recommended to determine whether BENTONE SD-2 will sufficiently disperse under normal stirring conditions or whether a pre-dispersion in solvent/binder is advisable.

Post correction is best achieved by pumping a portion of the main batch into a tank fitted with a high speed disperser.? Add BENTONE SD-2 and grind to an acceptable Hegman F.O.G. Return this dispersed and activated portion containing the BENTONE SD-2 to the main tank and mix until uniform.

LEVELS OF USE

The level of BENTONE SD-2 additive to be used in a specific system depends on the degree of thickening, sag and pigment settling control desired. Use levels are typically 0.2 - 1.0 % by weight of the entire formula. When reformulating with BENTONE SD-2, a good starting point is replacement of the currently used organoclay or fumed silica at an equal weight, followed by optimisation.

In many systems, at higher thickener concentration levels, BENTONE SD-2 is more efficient than BENTONE 27 or fumed silica. It is not efficient in solvents alone nor should it be used in greases or similar binderless systems.

HEALTH AND SAFETY

Before using this product please consult our Safety Data Sheet (SDS) for information on safe handling and storage. The SDS can be found on the company website.

STORAGE RECOMMENDATIONS

Store in a cool, dry location.

SHELF LIFE

BENTONE SD-2 has a shelf life of 4 (four) years from date of manufacture.

General Information

BENTONE SD-2 rheological additive is an organic derivative of a bentonite clay. It is designed for use in moderate to high polarity systems containing solvents such a ketones, esters, glycol ethers and alcohols, including polar systems with some aromatic solvents.

BENTONE SD-2 is easy to incorporate and can be added dry to the pigment grinding process without requiring the use of a chemical activator or the preparation of a pregel. It may be?used for post correction.

CHEMICAL & PHYSICAL PROPERTIES

Compositionorganic derivative of a bentonite clay
Color / Formvery light cream, finely divided powder
Density1.62 g/cm3
Particle size(dispersed)less than 1 micron

These are typical properties not to be used for specification purposes.
Application

Acid-curing systems

Adhesives

Anti-corrosion paints

Automotive finishes/primers

Epoxy systems

Foundry paints

Gravure printing inks

Industrial finishes

Inorganic zinc-rich coatings

Maintenance coatings

NC lacquers/inks

Paint removers

Polyester repair putties

PU two-pack systems

Sealants

Vinyl paints (high-build)

KEY PROPERTIES

Is a cost-effective replacement for conventional organoclay additives

Disperses very easily, even under low shear conditions

Provides stable viscosity build, controls sag and pigment settling

Eliminates the need for pregels

Needs no chemical activator

Can be added as a powder to the millbase either before or after the pigment dispersion or during letdown.

INCORPORATION

BENTONE SD-2 is simple and easy to incorporate in moderate to high polarity systems. It may be added dry to the grinding step together with the other dry raw materials such as pigments and fillers. When dispersed in the millbase concentrate it develops its full rheological properties. The addition of a chemical activator is not necessary.

When added to the pigment grind, BENTONE SD-2 is not sensitive to high temperatures and does not require a minimum temperature for activation.

The wet ability and dispersibility of BENTONE SD-2 additive decreases as the proportions of aromatics and low-polarity solvents in the system increase.

BENTONE SD-2 may be used for post-correction after letdown. Pre-tests are recommended to determine whether BENTONE SD-2 will sufficiently disperse under normal stirring conditions or whether a pre-dispersion in solvent/binder is advisable.

Post correction is best achieved by pumping a portion of the main batch into a tank fitted with a high speed disperser.? Add BENTONE SD-2 and grind to an acceptable Hegman F.O.G. Return this dispersed and activated portion containing the BENTONE SD-2 to the main tank and mix until uniform.

LEVELS OF USE

The level of BENTONE SD-2 additive to be used in a specific system depends on the degree of thickening, sag and pigment settling control desired. Use levels are typically 0.2 - 1.0 % by weight of the entire formula. When reformulating with BENTONE SD-2, a good starting point is replacement of the currently used organoclay or fumed silica at an equal weight, followed by optimisation.

In many systems, at higher thickener concentration levels, BENTONE SD-2 is more efficient than BENTONE 27 or fumed silica. It is not efficient in solvents alone nor should it be used in greases or similar binderless systems.

HEALTH AND SAFETY

Before using this product please consult our Safety Data Sheet (SDS) for information on safe handling and storage. The SDS can be found on the company website.

STORAGE RECOMMENDATIONS

Store in a cool, dry location.

SHELF LIFE

BENTONE SD-2 has a shelf life of 4 (four) years from date of manufacture.

名称和标识符

EC号 215-108-5
分子式

Al2O3.4(SiO2).H2O

PubChem CID 363901613
分子量 360.31

安全信息

WGK Germany 3
RTECS CT9450000
个人防护装备 Eyeshields,Gloves,type N95 (US),type P1 (EN143) respirator filter

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