Bentonite is composed essentially of montmorillonite clay, also known as hydrous silicate of alumina. When placed in water, this clay attracts water to its negative face and magnetically holds the water in place. Absorption 7-10 times it’s own weight in water and swelling up to 18 times it’s dry volume.
Malcolm G. Stevens Inc. sells Western & Southern Bentonite in 50lb bags up to pallet loads. Also Micro Fine Bentonite. Please contact us for pricing. Bentonite is not only used for the foundry Industry, it can also be used for the following:
Malcolm G. Stevens, Inc. sells various types of resin coated sand in 50lb bags up to pallet loads. We also offer special specifications of blends. Please inquire regarding all your sand needs.
Search below for details on products, if you do not find what you are looking for contact us!
All Types of molding sand to meet your needs.
Numerous other types available. Contact us for more details
Shell Core Sands
CUSTOMIZED RESIN COATED SAND -formulation so you can optimize your operation's unique capabilities for your foundry. Resin coated sands are developed to accelerate machine cycle times. The investment rate and cure time of these products is as much as 35% faster than standard products. This results in reduced core and mold cycle times. Super Sands have also demonstrated improvement in uniformity of cure which allows reduced core and mold weights
Shake Free Resin Coated Sands are designed for use in aluminum and brass applications where core shakeout is a critical factor. Shake Free can eliminate or reduce the need for costly operations required to remove cores from castings.
Release Agents NIX STICKS are designed specifically to complement above Resin product offerings. Formulated specifically designed for Cold Box, No-Bake, and Heat Cured processes. This family of products also include Low Volatile Organic Compound (LVOC) formulas to meet your environmental needs. Key advantages of this product line are the reduction in build-up on tooling, rapid drying, better core definition, and easier stripping of cores. 40 lb pail available
Shell Core Blow Plates, Core Plates, Pallet-Car-Tops, Bottom Boards is a non-asbestos composition material, formed and compacted under very high pressure to It produce an extra-hard and durable plate. It has universal use as blow plates for shell and
F-405 MOLD SEAL is a strong flexible, custom sealant in ready to use 30” lengths. It is an inert non-toxic compound with unlimited shelf -life. Beads maintain their uniform dimensions and never become dry, hard or brittle, F-405 has been especially formulated and engineered to quickly and efficiently seal the parting line between cope and drag, preventing “run outs.”
Diameters that are available in ready to use 30” lengths
1/8” 3/16” 1/4” 3/8” 1/2” 5/8” 3/4”
Sold by the carton. Call or E-mail for pricing
Note: The metal thickness of inaccessible areas of a mold can be accurately determined by placing a formed ball of F-405 in the spot in question. Close and open the mold. The thickness of the compressed ball will indicate the metal thickness at this point.
available in many different style and sizes IN STOCK.
Lightweight "POP-OFF"® FLASKS Simply move the levers and off it pops! This feature makes it especially suitable for molds made with synthetic sand mixtures, where hard ramming is necessary. Lightweight, Medium and Heavy Duty available
Foudrite" Lined Cast Aluminum and Cast Iron Jackets non-asbestos lined jackets are the most efficient on the market and economical to keep in service. They are the most widely used jackets in the industry
Cast Aluminum and Cast Iron Jackets “SOLID" Cast Aluminum and Cast Iron Jackets are fixture built with reinforcing ribs uniformly distributed and cast into the jackets. Special ribbing provides additional strength and protection against warpage. Spill shields and reinforcing tubing are available at extra cost.
Aluminum Bottom Boards cast aluminum bottom boards are available for use on all automatic match plate molding machines. These top quality boards are designed for rugged usage and are 100% fixture checked for dimensional tolerances and flatness. They are the finest on the market. You can be assured of exceptionally long service. Wood also available.
Wopper Jaw Slip Jackets are manufactured of specially formed steel channels, angles or plates in widths from 4" to 24" in 1 inch increments, and from 28" to 200" perimeter. Jackets conform perfectly to parting lines and taper. Standard Jacket styles can be tailored to your specific needs. Angle iron reinforcing, for greater strength, is available on sides and ends upon request. Your choice of corner construction for the type of performance needed, and the choice of handles make this the most versatile line of jackets available
Shell Core Blow Plates, Core Plates, Pallet-Car-Tops, Bottom Boards is a non-asbestos composition material, formed and compacted under very high pressure to It produce an extra-hard and durable plate. It has universal use as blow plates for shell and hot box applications, core plates, pallet-car-tops and bottom boards that are also available.
Pins & Bushings
Flask Pins & Bushings Standard & custom machined, range up to 4-1.4: diameter in rounds-up to 3” in hex. Standard steel Flask pins, hook loose pins, self centering loose pins, hardened closing pins, round & elongated bushings, threaded hexagon or square flask & pattern plate pins.
All Flask pins are made from high quality cold finished steel which normally runs. 001” ti .002” undersized. Threaded pins are furnished complete with nut.
When standard sizes are not suitable for your needs, simply submit your requirements (print or samples) and our manufacturer will make according to your specifications.
Blast Cleaning Abrasives, Malcolm G. Stevens, Inc offers abrasive cleaning products anything you see listed below can find you the correct abrasive for your application. Call us today for pricing and details. Please note we can also supply parts and equipment.
If you do not find what you are looking for below, call us we will bring it into stock for your next delivery
Cements - Patching
Cements - Ramming
Dry Induction Cements
Silicon Carbide Bonded Cement
Cement - Smooth on 4AA light gray iron patching cement
Metal Repair Putty hardens into metal. Adheres to metal wood plastic, glass. Apply right from the can. Can be milled drilled, tapped, ground and sanded smooth.
Malcolm G. Stevens can supply all your chaplet needs the list below is some examples of chaplets we have in stock.
Riddles Hand Riddles- Malcolm G. Stevens, Inc stock 18 “ dia. Most mesh size available, cross wire available upon request. 6 pcs min purchase, stocked in Tyngsboro, MA
Other meshes available,18” diameter with 2 mesh up to 20 mesh
Type “V” -20” dia. Sieve for screening fine, medium, and coarse sand with special clamp for quick change. Fully enclosed 1/6 hp motor, height: 4’6” , wt.: 100 Lbs.
Type “V-5” driven by an extra heavy duty continuous service 1/2 hp motor is also available. Offers 36” dia sieve, 6’1”.
Type “CR”- Thoroughly sifts, mixes, aerates and fluffs sand. Vertical 1/3 hp motor operates at slow motion with 2-1/2” circle of gyration. 24” dia. Sieve, height 5’6”, wt 180 Lbs.
Type “CS”- 24” square sieve separates and ejects refuse to one side. Has 2-1/2” circle of gyration. 1/3 hp totally enclosed motor height 6’1”, wt 225 Lbs.
Type “HL” - Laboratory sifter designed for accuracy of tested samples. Allows the testing of several different products at one time. Holds as many as 16 half height (1”) or 8 full (2”) high sieves. 1/6 hp motor suspended from ceiling or any convenient support. Wt 55 Lbs.
Type “HL-12” - 12” dia. Testing sieves for laboratory use. Ideal for quality control testing of raw materials. Highly portable, 1/6 hp motor, permits the testing of several products at one time. Wt 65 Lbs.
Please call us today to receive your quote or place an order.