Showing posts with label Alginates. Show all posts
Showing posts with label Alginates. Show all posts

Saturday, 29 June 2013

Your Search for Quality and Safe Resin Casting and Clay Modeling Products Ends Here

EnvironMolds LLC in Summit, New Jersey is the answer to your prayers as it offers a comprehensive array of skin-safe, user-safe and environmentally-safe casting and molding products for every kind of lifecasting or general casting projects.

The company website www.artmolds.com hosts an ample range of high quality polyurethane casting resins which are safe, strong, odor free and also resistant to water, oil, chemicals and even abrasions. For instance, the Jewelry-R-Rezin is a professional grade formula useful for jewelry making and encapsulation. You can opt for Environmolds' Pourable Casting Resin or KastEZ Resin for making casts of both rigid and flexible molds for point-of-purchase displays, rapid prototypes, special effects, and sculpture reproductions. Think no further than the UV resistant and non-yellowing Aqua Clear for making beautiful lifecasts.

It will successfully capture intricate details like fingerprints, skin pores and even texture!
For clay modeling, there is the premium grade Roma Plasticina for professional sculptors (white and grey-green colors) to the non-sulfured NSP in green color. Roma No. 1 ballistic clay is the industry standard and serves as the backing material for testing body armor. Apart from these oil-based, non-hardening options, there are regular water-based clays for wall pieces and other ceramic work.

The most beautiful lifecasts still look incomplete without a name plate specifying the details of the art piece. EnvironMolds offers two kinds of elegant engraved name plates in low luster brass finish. One is fixed with two nails – one on either end, and the other uses an adhesive backing. There are 4 standard sizes – A25, A30, A35 and A45 and artists can choose between square and rounded corners. For the text part, there is an option of 3 lines to announce the title of the cast, date and name of artist. The lettering is done in oxidized black for maximum contrast and customers can choose from 3 stylish typefaces.

Monday, 22 April 2013

Casting Materials and Its Classification


There are many different types of casting materials available to suit various types of projects. If you are creative with jewelry then you may wish to look at the various resins for casting unique resin jewelry pieces. If you are after a fun and creative party activity for children then you may want to investigate the casting of plaster ornaments and plaques for them to paint. Plaster is the most ideal casting material for this purpose. Every project has its own requirements and here we will look at the most popular casting materials and their uses.

GYPSUM PLASTERS


Gypsum plaster is a versatile, cheap and safe casting material to use for many different types of applications. This material only requires a latex mold and not the more expensive silicon rubber molding materials which are generally needed for resin or pewter castings.
Casting plaster types are best suited for general purpose plaster casting such as for children's plaster painting ornaments. Casting plasters have a harder surface which prevents chipping and provides a good surface for painting.
For projects that require a harder and more durable plaster casting material you might want to look at one of the stone plasters. These are more expensive but the strength is superior.


RESINS

There are many types of resin. They are generally made up of polyester, epoxy or polyurethane and can come in either clear or opaque finishes. We will look at the various types of clear and opaque resins and their applications.

Opaque Resin: The most common type of opaque resin in use today is polyurethane two part resin. This comes in many forms and various setting times. The time it takes to set hard when mixed in most cases is very short, usually 3 - 5 minutes. This resin gets really hot and it is recommended to use a Silicone Rubber Molding Material.

These types of resins are not as brittle as clear polyester resin and are therefore suitable for making model parts and small detailed items. The castings can be painted, drilled and sanded.
Transparent resins: The cheapest clear casting material is polyester resin. This requires the addition of a toxic chemical called MEKP to create the chemical reaction which hardens the resin. Special care needs to be taken when using this material and gloves should be worn.

Monday, 25 February 2013


There are many different types of casting materials available to suit many different types of projects.



If you are creative with jewelry then you may wish to look at the various resins for casting unique resin jewelry pieces. If you are after a fun and creative party activity for children then you may want to investigate the casting of plaster ornaments and plaques for them to paint. Plaster is the most ideal casting material for this purpose. Every project has its own requirements and here we will look at the most popular casting materials and their uses.

GYPSUM PLASTERS

Gypsum plaster is a versatile, cheap and safe casting material to use for many different types of applications. This material only requires an inexpensive latex mold rather than more expensive silicone rubber mold making materials which are generally needed for resin castings.

Casting plasters are best suited for general purpose art casting such as for children's plaster painting ornaments. Casting plasters have a harder surface which prevents chipping and provides a good surface for painting. Whereas, plaster of Paris, is hydroscopic, chalky and too soft for casting; it is best used for its intended purposes – wall patching.

For projects that require a harder and more durable plaster casting material you might want to look at one of the stone plasters. These are more expensive but the strength is superior.

Monday, 27 August 2012

About Mold Making And The Types Of Molds

Mold making is the procedure of generating molds for forming metals, plastics, rubber, glass or ceramics in to shapes.

Molds are negative spaces that serve as a model or pattern for shaping heated raw material such as plastic, metal, glass, ceramic, or other. Molten material is heated and poured. The liquid hardens and takes the shape of the hollow shape which is then removed. Thus, molding is a process of manufacturing a variety of objects in a specific shape of size. Molds are used for metal casting also. Molding can be done in a variety of methods. Here are some types of molding application that are adopted by the manufacturers

Types of molding include:

Blow Molding: Blow molding is a process through which hollow plastic parts are formed. The process starts with melting plastic pellets and forming them into a parison. The parison is a plastic having a hole in one end that is compressed so that air can pass through. There are three types: extrusion blow molding, injection blow molding, and stretch blow molding.

Compaction plus sintering: Conventionally, the process is used for molding ceramic objects and other products using compressed powder. The entire process is based on the atomic diffusion, in which, the powdered material is heated to a temperature below the melting point.

Compression Molding: It is a process of molding in which the molding material is first preheated and then kept in the open and heated like a mold cavity. The process is applied on thermostatic plastic compounds.

Extrusion Molding: Extrusion is a process through which a fixed cross-sectional profile can be created. Using this process helps in creating very intricate work. Extruded materials can be polymers, metals, ceramic, foodstuff, concrete, and more.

Injection Molding: This process is ideal for developing parts from thermosetting plastic and thermoplastic materials. The treated material can be aluminium and steel for making body panels of cars, and more.

Laminating: Unifying two or more materials is called laminating and the process adopted is known as lamination. The treated material can be wood, plastic, and more.

Reaction injection molding is a part and parcel of laminating in which the thermosetting polymers are used. Components made through this process are air spoilers, automotive bumpers, and fenders.

Matrix Molding: The process is utilized to shape complex materials such as with glass, ceramic or glass composites. The process is also known as matrix transfer molding.

Rotational Molding (or Rotomolding): This process is also known as rotocasting, rotomolding, or spin casting that is implied to create a vast range of hollow items of plastic.

Transfer Molding: This process is very similar to compression molding which is ideal for thermo set plastic.

Thermoforming: In this method, a plastic sheet is heated to a pliable developing temperature to form a mold and then trimmed to get the right shape of an object. The process is adopted to manufacture containers, disposable cups, clamshells, lids, trays, blisters, and other products for the medical, food, and general retail industries.