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Home > Products > Adhesives – Sealants

Products for ADHESIVES - SEALANTS

dar-tech, Inc, distributes specialty additives, such as specialty silanes, stain repellants, polymeric dispersants, wetting additives, defoamers and deaerators. In addition, our line includes titanate and zirconate catalysts for silicone sealants, thickeners, plasticizers and surfactants. We carry polyolefin (HDPE) fibers for coatings, adhesives, grouts and caulks, as well as silica thickening agents.

Dar-tech also offers functional minerals, such as fillers, reinforcers, and viscosity modifiers. We carry a wide range of color pigments for adhesives, sealants and coatings, and supply resins, such as polyurethane dispersions and water-based acrylics.

The range of products provide formulation versatility, improved processing & application properties, and optimized physical & performance properties. 

MEET OUR SUPPLIERS

ADDITIVES

AFCONA ADDITIVES
High molecular weight polymeric dispersants, wetting and dispersing additives, defoamers & deaerators, flow & slip agents.

BORICA SPECIALTY CHEMICALS
TYTAN titanate & zirconate catalysts, crosslinkers and adhesion promoters.

DEVINE CHEMICAL
DeCal 1000 Series associative & polymeric thickeners, DeCal 2000 Series polyacrylate dispersants, surfactants & emulsifiers. DeCal 5000 series defoamers.



MINIFIBERS, Inc.
SHORT STUFF® highly fibrillated HDPE fibers are a unique form of polyolefin fibers having properties which offer many advantages over conventional products, such as fumed silica or cellulosics, in certain applications. These fibers can be used in coatings, block fillers, stucco, adhesives, putties, mastics, grouts, caulks, sealants, casting slurries, and more.

QEMETICA
HI-SIL® T-600 & HI-SIL® T-700 thickening agents are a premium grade, synthetic amorphous precipitated silica thixotropes designed specifically for adhesive and sealant applications. Hi-Sil thickening agent offers improved viscosity and a higher thixotropy index providing better aging stability for superior sag control with maximum thickening capabilities with high oil absorption and finer particle size properties.

FUNCTIONAL MINERALS

BURGESS PIGMENT
In adhesives, kaolin clays can serve as simple fillers, or be reactive or functional. THERMO GLACE H and other air floated, water washed kaolin’s are lower cost while also improving rheology. ICEBERG and ICEKAP K calcined and surface modified or treated kaolin clay are viable clay choices for when moisture-sensitivity or improved reinforcement are desired.
 
COVIA Corp.

SNOBRITE air floated kaolin is a natural ultrafine kaolin offering semi-reinforcing, good color quality, effective TiO2 spacing, and cost-effective rheology modifier with inherent or natural plasticity and thixotropy. MINEX functional filler made from nepheline syenite is proven to offer superior color development, tint retention, and durability to a broad range of adhesives & sealants.

MAGRIS TALC
Magris Talc offers a range of products which are high-purity, functional additives ideal for adhesives, caulks, mastics, and sealants. Mistron® RCS is an excellent choice for demanding applications due to its hydrophobic nature, very low mineral solubility, and proven anti-corrosion performance. Mistron® Vapor RE is a high purity talc offering ideal rheology and performance.

SOUTHEAST PERFORMANCE MINERALS
SEPM muscovite mica are high purity, high aspect ratio, low bulk density, mica products with unique processing and grinding technology, both dry and wet ground, developed in-house and has several advantages over other mica grinding techniques.

SIBELCO
PORTAFIL high purity, high whiteness Aluminum Trihydrate (ATH) mineral filler, PORTARYTE natural batytes (BaSO4) delivers a range of benefits, from improving UV and chemical resistance in coatings due to its It has a high specific gravity (4.5) and very low solubility. PORTAFER M Magnetite.

TOLSA
PANGEL Sipiolite & Bentonite, CIMSIL Attapugite products are high-purity shear-thinning additives made from different clay minerals that can be used in both water and solvent-based systems. Our additives provide good
viscosity and workability without damaging the adhesive strength while offering better thickening properties, sedimentation/settling control, optimal stability during transportation, syneresis control and anti-sag capabilities.

PIGMENTS

DCL CORPORATION
The global leader in the supply of color pigments and dispersions for the coatings Industry. Organic Yellow, Orange, Red, Blue, Green, Violet pigments. Inorganic Aluminum Paste, Anticorrosive pigments, Bismuth Vanadate, Molybdate Orange & Chrome Yellow, Chromium Oxide Green pigments, Milori Blue, Ultramarine Blue & Violet, Carbon Black, Lanox Iron Oxides, Zinc Ferrite & Zinc Oxide, Special Effect pigments.

RESINS

HAUTHAWAY
Hauthane polyurethane dispersions are suggested for industrial laminating, pressure sensitive and solvent based adhesive applications. They are suitable for bonding substrates such as films, paper, aluminum foil, cardboard, and textiles.

ZS INTERPOLYMER
SYNTRAN® water-based acrylic grades based on proprietary technologies that can be used in a variety of adhesive and sealant applications. In addition to conventional alkali-swellable and emulsion acrylics, ZS Interpolymer offers unique acrylic technologies: Self-Crosslinking technology gives superior water, stain and chemical resistance compared to traditional self-crosslinking acrylics, Bi-Modal anionic-cationic hybrid technology gives cationic properties with anionic compatibilities, such as tannin blocking, Shell-Core / Hybrid technology for improved film formation and physical properties.

APPLICATIONS

DISPERSING & WETTING ADDITIVES
Disperse, optimize, and stabilize pigments
Features: Maximize & optimize pigment loading
Benefits: Reduce dispersion time and raw material costs
Suppliers: AFCONA Additives, Devine Chemical

RHEOLOGY MODIFIERS & THICKENERS
Rheology control and thickening
Features: Thickening and control of rheological properties
Benefits: Viscosity stability and preventing settling & syneresis, Anti-sag properties.
Suppliers: Tolsa, Qemetica, MiniFIBERS, Devine Chemical

PROCESSING ADDITIVES
Processing and appearance properties
Features: Adjust flow, defoaming & deaeration
Benefits: Production efficiency and product performance
Suppliers: AFCONA Additives, Devine Chemical

SPECIALTY ADDITIVES
Physical & Performance enhancements
Features: Adhesion promoters, coupling agents, cross-linkers, catalysts, modulus modifiers, moisture scavengers
Benefits: Property and performance improvement
Suppliers: Borica

PIGMENTS / COLORANTS
Impart color and aesthetics
Features: Absorb and reflect specific wavelengths of light to impart color or lack thereof and special optical effects
Benefits: Opacity, visibility, durability, and protection
Suppliers: DCL Inorganic & Organic Pigments

FUNCTIONAL MINERAL PIGMENTS
Performance mineral fillers and pigments
Features: Naturally occurring, sustainable minerals
Benefits: Lower formulation costs, rheology control, durability &
chemical resistance, gloss control, VOC compliance
Suppliers: Burgess Pigment, Covia, Magris Talc, Sibelco, SEPM

RESINS
Adhesive resins
Features: Water-based Acrylic & Polyurethane dispersions, PVOH resins
Benefits: Water-based formulation options requiring adhesion,
transparency, water & chemical resistance, barrier properties
Suppliers: Hauthaway, Kuraray, ZS Interpolymer

TESTING EQUIPMENT & INSTRUMENTS
Formulation and Quality Control Evaluation
Features: Instrumentation for testing appearance and physical
properties. Lab dispersers. Viscometers. Lab supplies i.e., drawdown
charts, film thickness gauges, grind gauges
Benefits: Formulation & product development property
Verification and quality assurance
Supplier: BYK Gardner Instruments

Download this Adhesives Products PDF
Click here to Request a Sample

Please fill out this Contact Us form for more information.

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