Established in 1934, Carst & Walker has over the years expanded to become a substantial importer and distributor of specialty chemicals, additives and ingredients which find application in Life Science (Consumer Specialities, Food Ingredients) and Industrial (Adhesives & Coatings, Plastics & Rubber and Chemical) industries. Joining us during the past decade were well-established South African distributors of specialty raw materials with specific focus on the Flavour, Cosmetic and Pharmaceutical industries. These acquisitions reinforce the Group’s footprint in the Life Sciences market.
As a part of the Hobart Enterprises group, we benefit from being associated with specialty distribution, supply chain and processing companies worldwide. Click on our logo below to view Hobart’s group of companies.
How can we help you?
Carst & Walker services five specific markets in South Africa, bringing quality products and a local expertise to each.
ADHESIVES & COATINGS
Whatever the end application, our comprehensive range of raw materials and additives meets the demanding requirements of the Adhesive formulator. Building on over 90 year’s Group experience of supplying Gum Rosin and Rosin derivatives, we also represent key principals and suppliers from around the world offering a diverse range including: hydrocarbon resins, PCR, starches, SIS/SBS copolymer elastomers, waxes and additives for all applications incl. hot melt, PSA, and contact adhesives.
Working with a well-established portfolio of world-class suppliers, we offer the surface coatings industry a wide range of high-quality raw materials including:
Fillers, Pigment dispersants, Surface modifiers, Matting agents, Rheology control additives, Crosslinkers and Pigments (from TiO2 to Speciality Decorative and Security Colorants), suitable for Decorative, Wood, Automotive, Can & Coil, General Industrial, Marine and Powder Coatings.
Offering the formulator of Paste, Liquid, Inkjet, Digital, UV (Ultraviolet), Water- and Solvent-Based Inks a wide range of pigment dispersants, surface modifiers, rheology control additives, photo-initiators and speciality pigments.
Working with speciality alumina suppliers who bring many decades of experience to their ranges of high-performance products, we offer a one-stop for the refractory industry in South Africa, from a full range of Calcium Aluminate Cements to Tabular, Reactive, Calcined and Dispersing Aluminas and Magnesia-rich Spinels. In addition, we offer diverse products such as Chamotte and Silicon Carbide, to complete the basket for all refractory applications.
Our team supply raw materials used for Refractories, Ceramics, Polishing, Surface Treatments and Construction Chemicals.
The portfolio includes high quality Alumina based raw materials:
- Calcined & reactive Aluminas
- Tabular Alumina
- Magnesium Aluminate Spinel
- Polishing Aluminas
- Colloidal silica
Our team has established itself as a specialist distributor of raw materials and technical support for Hair Care, Skin Care, Colour Cosmetics, Home Care and Pharmaceutical industries.
Our range includes:
- Shea based emollients, vegetable derived emulsifiers, naturally derived bioactive lipids
- Sugar based ingredients, Gel-to-milk technology.
- Paraben free Preservatives, Multifunctionals, Antioxidants, Natural Emulsifiers,
- Thickening Agents, Active Substances
- Surface treated pigments and dispersions
- Active Ingredients, Sensorial emulsifiers, Texturizing specialties
- Specialty Rheology modifiers, Conditioning polymers, Hair Styling ingredients
- Stem cells
- Specialty hydrocarbons, Vegetable-based emollients
We also supply Palm based products, Glycerine, Organic glycerine, Fatty acids and fatty esters, Cocoa butter, Cosmetic oils, and Niacinamide.
Within our division we have developed sustainable partnerships worldwide and offer specialised solutions from expertly qualified and trained staff. Our suppliers are carefully selected to offer top quality products that deliver top quality results.
Our portfolio includes:
- Cocoa Butter, Cocoa Liquor and Cocoa Powders
- Herbs & Spices
- Desiccated Coconut
- Potato Starches
- Dairy Concentrates
We provide an extensive range of raw materials for use across a broad range of rubber manufacturing industries, from tyres and belting to rubber seals and industrial rubber components.
The portfolio includes Elastomers (BR/SBR Rubber, Chlorinated Polyethylene, Chloroprene Rubber, EPDM, Fluoro, Isoprene Rubber, Natural Rubber, Nitrile Rubber), Fillers & Additives (Aluminas, Antimony Products, Blowing Agents, Carbon black, Flame Retardants, Magnesium Oxide, MC & PE Waxes, Sulphur, Zinc Oxide, Silanes) and Rubber Chemicals.
The Polymers team has established itself as a significant distributor of materials as well as offering technical support for these growing sectors, providing:
ABS, Acetal Co-Polymer, Composites, CSM, EVA, HIPS/GPPS, Nylon, Polycarbonate, PVC Emulsion, Suspension Resins, Thermoplastic Elastomers, TPU and other Engineering Polymers.
Our selection of products manufactured at Anchor Chemicals include:
Adhesives (Ecorrlok and Ty-Ply) for bonding rubber to metal and other rigid substrates.
Coated Powder Blends (proprietary and custom made) with or without dust suppression.
Process Aids to facilitate the dispersion of fillers within rubber compounds and ensure smooth processing.
Release Agents are widely used in the batch off process as a surface treatment for green rubber layers to assist with processability. It gives temporary tack insulation between the plied sheets and is compatible with most types of rubber compounds.
Davprene TPR Compounds (black and coloured) that services the footwear industry.
Davblack Black Masterbatch specially designed and tailored to customer specifications for Extrusion to Compression and Injection moulding grades.
Our sub-segments include Cement Additives, Pressure Sensitive, Hot Melt, Flooring and Contact Adhesives. The portfolio includes Antioxidants, Hydrocarbons Resin, Monomers, Rosin Esters, Rubber Elastomers, Water Based Dispersions and Waxes (Micro, Paraffin, Polyethylene).
Coatings & Inks
Segments supported include Decorative, Wood Coatings, Automotive Coatings, Can & Coil Coatings, Industrial Coatings, Marine Coatings, Powder Coatings and Paste, Liquid, Inkjet, Digital, UV (Ultraviolet), Water- and Solvent-Based Inks with raw materials such as:
Flame Retardants (Antimony Oxides, Brominated, Phosphates, Chlorinated Paraffin, Melamine, Zinc Borate), Gum Rosin, Hydrocarbon Resins, Organic Phosphates (TCEP, TBP, CDP, APP, TCPP, TDCPP, Melamine Polyphosphate), Nitrocellulose Resins, Dispersing agents, Pigments (Titanium Dioxide, Cuprous Oxide, Ultramarine Blue / Violets, Iron Oxides, Chrome Oxide, Anticorrosive, Daylight fluorescent, Security and Special effect, Phosphorescent, Thermochromic, Photochromic, UV / IR Invisibles), Tall Oil, Oligomers, Monomers and Photoinitiators, and Wax Dispersions & Emulsions (Amide, PTFE and Polyethylene).
Our technically supported products are FEMAS certified and registered under the Feed Hygiene Regulations include:
Butylated Hydroxytoluene (BHT), Calcium Iodate, Cobalt Salts (Cobalt Acetate, Cobalt Carbonate, Cobalt Sulphate), Copper Salts (Copper Carbonate, Copper Hydroxide, Copper Oxychloride, Copper Oxide, Copper Sulphate), Manganese Salts (Manganese Oxide, Manganese Sulphate), Potassium Salts (Potassium Iodide, Potassium Iodate), Selenium Salts (Selenium Sodium Selenate, Sodium Selenite, Selenium Premix), Sodium Molybdate and Zinc Salts (Zinc Oxide, Zinc Sulphate).
We offer a carefully selected range to meet the exacting requirements of the glass manufacturing industry. BHT is the go-to antioxidant and our range of organic acids, organic acid salts and preservatives provides the wood preservation industry with many formulation options to replace more traditional technologies. For Resin Production, we offer a portfolio of process aids and intermediates including heat transfer fluids, antioxidants, catalysts and monomers.
The raw material schedule includes:
Acids (Polyphosphoric, Hypophosphorous, 2 EH, C8C10, Phosphorous and Isobutyric), Antimony (Trioxide, Pentoxide), Derivatives (MEG, PEGs, Ethanolamines, Castor Oil), Sodium Acetate Anhydrous, Sodium Bromate, Sodium Butyrate, Sodium Hypophosphite, Potassium (Iodide, Bromate) and Triphenyl Phosphine.
Our innovative ingredients and solutions for Personal Care, Home Care, Institutional Cleaning, and Pharmaceutical applications. We have established ourselves over the past 90 years as a significant distributor into the Homecare market with Forest Chemicals: Pine Oil, Gum Turpentine derivatives, Terpenes and associated products. In addition, we source Coal Tar, Iodoform Compound and Chlorocresol in small and large packing, as well as difficult to find ingredients for all pharmaceutical products.
Special Effect Pigments
The Polymers group services the Elastomers and Plastics sectors with key product ranges:
Antioxidants, Flame Retardants (Antimony Trioxide, Pentoxide, Decabromodiphenyl Oxide, Ethane, Zinc Borate, Ammonium Bromide, Melamine Cyanurate, TCPP / Ammonium Polyphosphate, Hexabromocyclododecane, BDDP), Pigments, Rubbers (SBS, SEBS, SIS), Rubber Chemicals – Accelerators, Antioxidants [6PPD, CBS, TBBS, DPG], Crosslinking Agents (Monomers, Zinc Oxide), Waxes.
Our Polymers team distribute on behalf of group company, Anchor Chemicals, an ISO9001 and ISO14001 accredited manufacturer of speciality products that service the Rubber, Plastics and Adhesives industries:
Bonding Adhesives for rubber to metal and other rigid substrates (Ecorrlok)
Release Agents including Bantac
Coated Powders and Process Aids
Which includes Anchorlube and Factice TPR, TPE and Black Masterbatch compounds.
In antiperspirant formulations, the 50% aqueous solution of ACH is strategically incorporated at specific percentages, tailored to the product type such as aerosols, roll-ons and sticks.