applications of nse in coatings

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Applications of Neuburg Siliceous Earth in Coatings and Related Systems

Hubert Oggermüller

2 VM-2/07.2011

Contents

1. Coatings

2. Adhesives

3 VM-2/07.2011

Recommended Products:

Important Features: • small particle size

• excellent dispersibility

• very low electrical conductivity

• no disturbing electrolytes, esp. Cl-

• low sedimentation tendency

• good pigment paste and bath

stability

• good throwing power

• good corrosion protection

• good flexibility

(cupping and impact test)

Electro Deposition Paints

• Sillitin Z 86

• Sillitin Z 89

• Sillikolloid P 87

• Aktisil PF 777

Cataphoretic as well as Anaphoretic

COATINGS

ADHESIVES

4 VM-2/07.2011




• good sanding / low visibility of sanding marks

• improved appearance of base / top coat


• excellent stone-chipping resistance (especially Aktisil AM)

• gloss (especially Aktisil AM)

Primer-Surfacers

• Sillitin Z 86 / Z 89

• Sillikolloid P 87 puriss

• Aktisil AM (esp. OEM water based)

• Silfit Z 91 / Aktifit AM

• Sillikolloid P 87

OEM, Refinish, Solvent-based, Water-borne

COATINGS

ADHESIVES

5 VM-2/07.2011



• fast drying


• good water resistance

• abrasion resistance

• high low shear viscosity / yieldpoint

• excellent adhesion and stone-chipping resistance

Car Underbody Protection Coating

Aktisil PF 777

Water-borne

COATINGS

ADHESIVES

6 VM-2/07.2011




• balanced rheology

• acceptable abrasivity

• fast drying


• good water resistance

Car Body Cavity Preservation

• Sillitin Z 86 puriss


Water-borne, Thin Film

COATINGS

ADHESIVES

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Important Features: • low sedimentation tendency

• balanced rheology with low

sagging tendency and good

leveling

• good adhesion

Adhesion-primers for Plastic

• Sillitin Z 86

• Aktisil PF 777

COATINGS

ADHESIVES

8 VM-2/07.2011


Important Features: • excellent dispersibility


• favorable rheological properties

• low abrasivity

• good weather resistance

• good corrosion protection even at

low zinc phosphate concentration,

(Aktisil)

• good chemical resistance,

especially against acids

(Aktisil AM, Aktisil PF 777)

• excellent abrasion resistance

Anti-Corrosion Coatings

• Aktisil PF 777 • Aktisil AM • Sillitin V 85 / Sillitin Z 86 / Sillitin Z 89

(particularly Polyaspartics) • Aktisil EM • Silfit Z 91 / Aktifit AM /Aktifit VM

Epoxy, Polyaspartic, PUR etc.

COATINGS

ADHESIVES

9 VM-2/07.2011



• low abrasivity

• good fluidizability of powder

• good balance between sagging

and leveling


• good corrosion protection,

especially reduced delamination

at scribe


(cupping and impact test)

• good chemical resistance,

especially against hot water

Powder Coatings

• Sillitin N 82

• Sillitin Z 86

• Sillitin Z 89

• Aktisil AM

• Aktisil MM

Functional Epoxy i.e. for Pipelines

COATINGS

ADHESIVES

10 VM-2/07.2011


Important Features: Depending on concentration:

• slight matting

• good adhesion and flexibility

• good abrasion resistance

• improved scratch resistance

• outstanding hot water resistance

• improved resistance against alkali

i.e. caustic soda

• partial replacement of titanium

dioxide for cost reduction

• partial replacement of barium

sulfate for better edge covering

Powder Coatings

• Silfit Z 91

• Aktifit AM

• Sillitin Z 86 for primers to improve edge covering

Hybrids (Epoxi-Polyester)

COATINGS

ADHESIVES

11 VM-2/07.2011





• good leveling

• good adhesion

• good scratch resistance


• maintaining good flexibility

• slight matting effect

• improved hiding power (opacity)

or partial TiO2 replacement (top

coats)

• partial replacement of anti-

corrosion pigment (primers)

Coil Coatings

• Aktifit AM

• Silfit Z 91

• Sillitin Z 89

Top Coat and Primer, Polyester-based

COATINGS

ADHESIVES

12 VM-2/07.2011




• good transparency


• good edge covering

• no effect on UV-cure

• high acid resistance

Solder Resists / Masks


• Sillikolloid P 87 and puriss

• Aktisil MAM

• Aktisil VM 56

• Aktisil EM

UV-cured and conventional

COATINGS

ADHESIVES

13 VM-2/07.2011


Important Features: • adjustable rheology via product type


• no hard sediment

• low abrasivity

• scratch resistance


• very good transparency

• matting effect

• no effect on UV-cure

UV-Curing Coatings

• Aktisil MAM / Aktisil MAM-R

• Sillitin V 88

• Sillitin Z 89 / puriss

• Silfit Z 91 / Aktifit VM

• Aktisil VM 56/89

Wood-, Parquet-, Foil Varnishes

COATINGS

ADHESIVES

14 VM-2/07.2011



• better sanding after shorter drying

period

• better abrasion resistance (Aktisil

MAM, dependening on binder

emulsion)

• anti-blocking effect

• highly transparent

• matting effect, at least partial

replacement of matting agent

• water resistance (Aktisil WW)

Wood Coating, Interior

• Aktisil WW

• Aktisil MAM

• Sillitin V 88

• Sillitin Z 89

Clear Coat and Primer, water-based

COATINGS

ADHESIVES

15 VM-2/07.2011





• no hard sediment


• matting effect

• water vapor permeability

Wood Coating, Exterior



• Silfit Z 91

• Sillitin Z 89

• Sillitin Z 86

Alkyd, low gloss, i.e. Window Frames, Garden Furniture

COATINGS

ADHESIVES

16 VM-2/07.2011




• good abrasion resistance


• matting effect


likewise partial TiO2 replacement

• water vapor permeability

Facade Paints

• Silfit Z 91

• Sillitin Z 89

• Aktisil MAM

• Sillitin V 88

and Specialty Dispersion Paints

COATINGS

ADHESIVES

17 VM-2/07.2011


Important Features: • balanced rheology

• fast drying,

even in humid climate


Concrete Coating

• Aktisil MAM / Aktisil MAM-R

• Silfit Z 91 / Aktifit VM

• Sillitin V 85 / Sillitin V 88

• Sillitin Z 86 / Sillitin Z 89

Acrylate Dispersion (Water-borne), High Film Thickness

Control (only CaCO3 filler)

+10% Sillitin

52 % CaCO3 replaced by

Sillitin

0 100 200 300 400 min

Time to Dust-Dry at 35 °C / 80 % rel. humidity similar to DIN EN ISO 1517

140 µm DFT, app. 210 µm WFT


COATINGS

ADHESIVES

18 VM-2/07.2011

Concrete Coating

Control (only CaCO3 filler)

+10% Sillitin (=PVC increase)

52 % CaCO3 replaced by

Sillitin (=PVC constant)

0 100 200 300 400 min

Time to Dust-Dry at 35 °C / 80 % rel. humidity similar to DIN EN ISO 1517



Acrylate Dispersion (Water-borne), High Film Thickness

COATINGS

ADHESIVES

19 VM-2/07.2011



• matting effect

• supports soft feel effect

• chemical resistance


Soft-Feel Lacquers

• Sillitin V 85 / Sillitin V 88


• Aktisil AM

• Aktisil EM

• Aktisil PF 777

Solvent-based, Water-borne

COATINGS

ADHESIVES

20 VM-2/07.2011



• fast drying of solvent based paint


likewise partial TiO2 replacement


• night visibility / improved anchorage

of reflective glass beads

Road Marking Paints

• Silfit Z 91

• Sillitin Z 89

• Sillitin V 88

COATINGS

ADHESIVES

21 VM-2/07.2011



(pourable or non sagging)

• ease of processing

• good mechanical properties

tensile strength

tear resistance

resilience / compression-set

abrasion resistance

• high chemical resistance, especially

acids

• suitable for food- and potable water

contact (complies with BfR and FDA)

2 C Polyurethane Systems


• Sillitin Z 86 puriss / Z 89 puriss


• Aktisil PF 777

• Aktisil AM

Sports Floorings, Coatings, Gaskets, Adhesives, Tools …

COATINGS

ADHESIVES

22 VM-2/07.2011


Important Features: • good dispersion

• balanced property profile of

strength, abrasion resistance, low

swelling, heat formation and

durability

Roller Covers based on 2 Comp. Polyurethane


• Silfit Z 91

• Aktifit AM


Hot cast system (isocyanate pre-polymer / polyol)

COATINGS

ADHESIVES

23 VM-2/07.2011


Important Features: • good processing properties,

even with reduced additives self-leveling deaeration pigment stability appearance of crossover area

• improved mechanical properties

and chemical resistance via

reduction of additives tensile and compressive strength tensile modulus abrasion resistance



Industrial Floorings

• Sillitin Z 86

• Sillitin Z 86 puriss / Z 89 puriss

• Aktisil EM

Self-leveling, 2 C Epoxy

COATINGS

ADHESIVES

24 VM-2/07.2011



• supports pigment distribution

(spacer effect)



(good deaeration / anti sagging)




Gel Coats



• Silfit Z 91 / Aktifit AM / Aktifit VM

• Aktisil PF 777

Polyester and Vinyl ester

COATINGS

ADHESIVES

25 VM-2/07.2011


Important Features: • adjustable rheology via product

type (pourable or non sagging)

• good mechanical properties (high

strength)

• high chemical resistance



Sealants and Membranes

• Sillitin Z 86


• Silfit Z 91

• Aktisil PF 777 (for non sagging)

• Aktisil AM

2 C Polyurethane, Pourable, non Sagging

COATINGS

ADHESIVES

26 VM-2/07.2011



(pourable or non sagging)

• ease of processing

• good mechanical properties (high

strength)




Mortars, Joint-fillings, Coatings and Membranes

• Sillitin Z 86


• Aktisil PF 777 (for non sagging)

• Aktisil AM

Waterglass-, Furane-, Epoxy-, Vinyl ester-, PU-based

COATINGS

ADHESIVES

27 VM-2/07.2011


Important Features: • low sedimentation

• rheology / thixotropy

• high lap shear strength

Adhesive for Rotor Blades of Wind Turbines

• Sillitin Z 86


• Aktisil PF 777 (for thixotropy)

• Aktisil AM

• Aktisil EM

Epoxy-based

COATINGS

ADHESIVES

28 VM-2/07.2011


Important Features: • rheology / thixotropy

• no sedimentation

• chemical resistance

• balanced adhesion

Adhesive for Slicing Silicon Blocks (Ingots)

Aktisil PF 777

Epoxy-based

COATINGS

ADHESIVES

29 VM-2/07.2011



• bond strength

Adhesive for Paper i.e. Envelopes

• Sillitin Z 89

• Sillitin Z 86

Vinyl Acetate-Dispersion

COATINGS

ADHESIVES

30 VM-2/07.2011


Important Features: • high bond strength via increased

cohesion

• improved bond strength at higher

temperatures (increased SAFT –

Shear Adhesion Failure

Temperature)

Adhesive Tapes

• Sillitin Z 86

• Aktisil AM

• Aktisil VM 56

• Aktisil PF 216

Elastomer or Acrylate based

COATINGS

ADHESIVES

31 VM-2/07.2011


Important Features: • adjustable rheology via rheology

additive (free flowing to non

sagging)

• excellent high strength properties,

up to 2 or 3 fold of CaCO3

(tensile and lap shear)


Parquet Adhesive etc.

• Sillitin V 85

• Sillitin Z 86


• Silfit Z 91

• Aktisil PF 777

MS- or Silane terminated- Polymers

COATINGS

ADHESIVES

32 VM-2/07.2011

HOFFMANN MINERAL GmbH • P.O.Box 14 60 • D-86619 Neuburg (Donau)

Phone +49 (0) 8431-53-0 • Fax +49 (0) 8431-53-3 30

Internet: www.hoffmann-mineral.com • e-Mail: [email protected]

Our applications engineering advice and the information contained in this memorandum are based on experience and are

made to the best of our knowledge and belief, they must be regarded however as non-binding advice without guarantee.

Working and employment conditions over which we have no control exclude any damage claim arising from the use of our

data and recommendations. Furthermore we cannot assume any responsibility for patent infringements, which might result

from the use of our information.

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