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PVDF - Compression Molded
PVDF resin is one of the most stable and pure of all commercial resins. This highly chemically resistant fluoropolymer is used in piping, tubing, vessel fabrication, molded valves and fittings, tower packing, nozzles and other items for corrosive fluid handling. Its inherent chemical resistance and high purity make PVDF ideal for application in contact with high purity water, acids, chlorine, halogenated solvents and petrochemical mixtures. The natural flame retardancy and flexibility of this resin leads to many uses in the jacketing of fiber optic cables, fiber optic raceways and copper cable used in plenum areas of buildings.
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![PEEK Tubes & Rings - Compression Molded]( "PEEK Tubes & Rings - Compression Molded")
PEEK Tubes & Rings - Compression Molded
PEEK Tubes & Rings - Compression Molded PEEK Tubes are available from Professional Plastics offers a variety of sizes. PEEK Products include large compression molded tubes and rings, as well as, extruded small diameter PEEK tubing. Professional Plastics supplies a full-range of sizes from compression-molded and injection-molded rings, up to massive Compression-Molded tubes up to 16" O.D.
PEEK Tubes have a maximum service temperature of 500°F (260°C) and offers excellent abrasion and wear resistance. PEEK tubes are also USP Class VI compliant, have excellent chemical resistance and are radiation resistant. Add these characteristics to the fact that PEEK tubes offer a superior strength to weight ratio and it becomes apparent why this product has continued to grow in demand over the last few years.
- Tubes & Rings are sold in Standard (Virgin Grade - Unfilled), Glass-Filled (typically 30% glass fibre), as well as, Carbon-Filled (typically 30% Carbon Fiber)
- PEEK Tubes & Rings utilize either Victrex 450G or Vestakeep 4000G base resin.
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Injection-Molded Plastic Screws
The most commonly molded plastic screws are made from Nylon 6/6. They are tough, resistant to corrosion, light weight, and good electrical insulators. Nylon components conform to irregular surfaces, provide vibration dampening, and offer an inexpensive alternative to more expensive metal parts. Molded threads approximate UNC/UNF 2A and 2B. Metric approximate 6g/6H.
Screws are also available in a variety of materials including: Delrin, Acetal Copolymer, Polycarbonate, PPS, Polypropylene, HDPE, LLDPE and dozens of others. The factory catalog contains more than 10,000 items, including screws, nuts, washers, spacers, bushings, panel fasteners, hole plugs, circuit board hardware, hose clamps, wire handling clips, cable ties, and more. Our plastic fasteners are molded in tough, corrosion-resistant Nylon 6/6, but are also available in a variety of other materials.
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PTFE Tubes & Rings - Molded
PTFE is renowned for its temperature resistance and slick, non-stick qualities. As an industrial material, PTFE has exceptional chemical resistance, high and low temperature durability, low coefficient of friction and superb insulating qualities. It lacks toughness for abrasive applications, however, and is not readily fastened together using adhesives unless the surface is "etched" to accept the bonding agent. PTFE properties can be improved with the addition of fillers such as glass fiber and carbon.
- PTFE Tubes sold on this page are compression-molded as ordered.
- Typical Lead-Time is 10-14 Business Days. Faster Delivery Upon Request.
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Polyurethane Tubes - Molded
Molded Polyurethane Tubes are made of tough, crack-resistant, and abrasion-resistant polyurethane, which lasts significantly longer than conventional rubbers and plastics. We provide polyurethane in custom diameters, lengths, hardness, and colors with little or no tooling costs.
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Compression Molding (definition)
Compression molding of plastics
A method of molding in which the molding material, generally preheated, is first placed in an open, heated mold cavity. The mold is closed with a top force or plug member, pressure is applied to force the material into contact with all mold areas, and heat and pressure are maintained until the molding material has cured. The process employs thermosetting resins in a partially cured stage, either in the form of granules, putty-like masses, or preforms. Compression molding is a high-volume, high-pressure method suitable for molding complex, high-strength fiberglass reinforcements. Advanced composite thermoplastics can also be compression molded with unidirectional tapes, woven fabrics, randomly orientated fiber mat or chopped strand. The advantage of compression molding is its ability to mold large, fairly intricate parts. Compression molding produces fewer knit lines and less fiber-length degradation than injection molding.
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![CeramaPEEK® NC30 - Injection-Molded]( "CeramaPEEK® NC30 - Injection-Molded")
CeramaPEEK® NC30 - Injection-Molded
CeramaPEEK® NC30 Test Socket Material is Now Available in an Injection-Molded Version. CeramaPEEK® is an advanced proprietary ceramic-filled PEEK compound created to meet the requirements for tight tolerance, high frequency IC chip socket test fixtures. This injection-molded version of our NC-30 ceramic-filled PEEK is also is WHITE in COLOR and provides superior hole stability and cleanliness than competing injection-molded materials. Precision holes drilled into CeramaPEEK NC30 Test Socket Material are burr-free (when machined properly) and provide longer life than competing products. CeramaPEEK NC30 is offered exclusively by Professional Plastics to IC Test Socket Manufacturers Worldwide.
- The Injection-Molded Version is Only Available in .150" x 3.00" x 5.25" Blanks (3.8mm x 76.2mm x 133mm).
These Injection-Molded Blanks offer a THIN-GUAGE economical alternative to Professional Plastics' Extruded Version of CeramaPEEK NC30 which is produced in standard 24" x 48" (610mm x 1220mm) plates from .250" x 1.00" thick (6.35mm x 25.4mm)
- CeramaPEEK® is a registered trade name of Professional Plastics, Inc.
- Current Inventory is just 10 pieces for Testing & Approval Purposes. Lead-Time for made-to-order products is 4 weeks
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![ABS Sheets & Rods - Machine Grade]( "ABS Sheets & Rods - Machine Grade")
ABS Sheets & Rods - Machine Grade
ABS Sheets & Rods - Machine Grade ABS Sheets & Rods. ABS has perhaps the best balance of properties when cost is a factor. It has good chemical & stress-resistance, as well as, a combination of toughness with rigidity & creep resistance. Machine Grade ABS is easily machined via standard machining techniques including; turning, drilling, milling, and sawing. For heat-bending and thermoformed parts, use ABS Forming Grade.
Engineering Grade ABS is available in Rods & Sheets to customer specifications:
ABS Rods are produced up to 6" diameter in standard 8 foot lengths (Prices Listed Per Foot).
ABS Sheets / Plates are available in two types - Compression-Molded or Extruded:
- Compression Molded Sheets are available up to 4" thick in 48" x 96"
- Standard Thickness Tolerance of Compression-Molded Sheets is +/-10%.
- PLUS ONLY Compression-Molded Sheets are available upon request at an additional cost.
- Extruded Sheets are produced up to 24" x 48", and are sold upon special request only.
- Note: Extruded Sheets have a better thickness tolerance than molded sheets. (also more expensive)
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PEEK Screws
PEEK Screws, Nuts, Threaded Rods & Other Fastener Components are available from Professional Plastics.
PEEK is a high performance engineering thermoplastic that offers chemical and water resistance similar to PPS, but can operate at higher temperatures. PEEK can be used continuously to 480°F (250°C) and in hot water or steam without permanent loss in physical properties. For hostile environments, PEEK is a high strength alternative to fluoropolymers. PEEK carries a V-0 flammability rating and exhibits very low smoke and toxic gas emission when exposed to flame.
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Nylon MD Tubes - CAST
Nylon® - Cast, MD Filled is a dry lubricant-filled bearing material. Manufactured to be a more crystalline product with improved wear resistance, Nylon® - Cast, MD Filled also offers improved compressive strength. Cast Nylon MD tubes contains finely divided particles of molybdenum disulfide to enhance its load bearing capabilities while maintaining the impact resistance inherent to nylon. It is the most commonly used grade for gears, sheaves, sprockets and custom parts.
- Cast Nylon MD Tubes are Gray-Black in Color.
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Noryl® EN265 & Noryl® GFN3
Noryl® EN265, Noryl® GFN3 & Noryl® SE1 GFN3 are available in rod and slab forms.
- Noryl® EN265 (Black), contains a self-extinguishing additive.
- GFN3 (30% glass-filled) (Standard Color Grey)
- Noryl® SE1 GFN3 (30% glass-filled with self-extinguishing additive) (Standard Grey).
Noryl's overall physical properties are excellent: low moisture absorption and heat resistance of 265° F at 264 psi combine to make Noryl a truly high performance material at very cost effective rates. Parts are easily machined to fill a variety of needs. Used in appliances, liquid handling equipment, and numerous other applications. Noryl is attacked by petroleum products, so knowing the environment which the Noryl part will be exposed to is vital.
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ABS Plastic Resin
ABS is a thermoplastic resin commonly used for injection molding applications. ABS (Acrylonitrile Butadiene Styrene) generally possesses medium strength and performance at medium cost. It is available in multiple grades, colors, and Izod impact ratings.
End uses of ABS materials include tub/shower surrounds, pickup truck caps, boat accessories, automotive trim parts, and computer housings.
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![Acetal Resin]( "Acetal Resin")
Acetal Resin
Acetal is a thermoplastic resin commonly used for injection molding applications. Acetal resins, or technically called polyoxymethylenes (POM), are among the strongest and stiffest of thermoplastics. Acetal copolymers are well known for their fatigue and wear resistance as well as high chemical resistance and dimensional stability.
Acetal resins provide an outstanding consistency of properties and color. They have exceptional solvent resistance, and are virtually unaffected by strong bases. Acetals are rigid, creep resistant and strong. They possess low coefficients of friction, and remain stable at high temperatures, even for extended use.
Types of Acetal Resin:
- Acetal 9 Melt Copolymer (M90 Type) - Natural - Direct equivalent to Ticona Celon* M90 Natural
- Acetal 9 Melt Copolymer (M90 Type) - Black - Direct equivalent to Ticona Celcon* M90 Black
- Acetal Homopolymer, 15 Melt, (500P Type) - Natural - Direct equivalent to Dupont Delrin* 500P Natural
- Acetal Homopolymer, 15 Melt, (500P Type) - Black - Direct equivalent to Dupont Delrin* 500P Black
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![Celazole® PBI (U-60)]( "Celazole® PBI (U-60)")
Celazole® PBI (U-60)
Celazole PBI (grade U-60 - Compression-Molded 100% PBI) is the highest performance engineering thermoplastic available today. It offers the highest heat resistance and mechanical property retention over 400°F of any unfilled plastic. Celazole PBI has better wear resistance and load carrying capabilities at extreme temperatures than any other reinforced or unreinforced engineering plastic.
Celazole U-60 PBI is an unfilled PBI polymer suitable for compression molding. U-60 is commonly molded and machined into precision parts for industrial, chemical and petrochemical industries; aerospace; glass making; liquid crystal display (LCD) panel manufacture; and photovoltaic (PV) panel manufacture.
As an unreinforced material, Celazole PBI is very "clean" in terms of ionic impurity and it does not outgas (except water). These characteristics make this material very attractive to semiconductor manufacturers for vacuum chamber applications. Celazole PBI has excellent ultrasonic transparency which makes it an ideal choice for parts such as probe tip lenses in ultrasonic measuring equipment.
Celazole PBI is also an excellent thermal insulator. Other plastics in melt do not stick to PBI. These characteristics make it ideal for contact seals and insulator bushings in plastic production and molding equipment.
- Highest mechanical properties of any plastic above 400°F (204°C)
- Highest heat deflection temperature 800°F (427°C), with a continuous service capability of 750°F (399°C) in inert environments, or 650°F (343°C) in air with short term exposure potential to 1,000°F (538°C)
- Lowest coefficient of thermal expansion and highest compressive strength of all unfilled plastics
- Celazole is stocked in our USA, Singapore & Taiwan Warehouses
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HDPE Resin / Pellets
Polyethylene is a common thermoplastic resin typically used for injection molding applications. - Polymers with densities ranging from .941 to .965 and over are considered high density. High Density Polyethylene (HDPE) has a high-impact strength with a higher operating temperature than LDPE. HDPE has excellent tensile strength, energy consumption, abrasion resistance, and resistance to stress cracks, and good chemical resistance and electrical properties. Injection-molded HDPE is resistant to warpage and distortion.
APPLICATIONS: - Milk, juice, and water bottles - Yogurt containers - Margarine tubs - Laundry products
HDPE (High-Density Polyethylene) resin / pellets for extrusion and molding
- HDPE (High Density Polyethylene) 20 Melt - Natural - 1500 LB Gaylord
- HDPE (High Density Polyethylene) 20 Melt - Natural - 55 lb Box
- HDPE (High Density Polyethylene) 8 Melt - Black - 1300 LB Gaylord
- HDPE (High Density Polyethylene) 8 Melt - Black - 55 lb Box
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![Hot Runner Materials]( "Hot Runner Materials")
Hot Runner Materials
Hot Runner Materials for injection molding. Hot runner insulators are typically made from polyimide or ceramic materials available from Professional Plastics. A hot runner is an injection mold component containing a series of channels that distributes molten plastic within a mold. Unlike an ordinary cold runners, the hot runners are heated, so the plastic melt in the hot runners never freeze.
Hot runners are reasonably complicated devices, so they are usually assembled from the premanufactured units. The two main types of hot runners are the externally heated and internally heated. The latter have some slender heaters inside the runners; the outside boundaries of the runners usually have the temperature below the melt-freeze, so there is a layer of a frozen plastic that insulates the internal heater and the molten plastic from the cold outside boundaries.
Hot runners usually make the mold more expensive to manufacture and run, but allow savings by reducing the plastic waste and sometimes by reducing the cycle time (do not have to wait until the runners would freeze).
Despite the higher initial cost, the long-term benefits of equipping a mold with a hot runner system can be easily justified. A hot runner-equipped mold can effectively reduce molding costs without significantly increasing the complexity of the mold design. Generally, mold build leadtimes are not impacted as the hot runner is designed and manufactured in parallel with the mold.
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Last-A-Foam® FR-4600 Series
The LAST-A-FOAM® FR-4600 Microcell Series supports the most intricate
detail while eliminating extra prep work. With the smoothest surface finish
in the LAST-A-FOAM® line, this is excellent for prototypes and models, and
precision tooling applications. Its advanced microcell technology creates a
grain-free, ultra-smooth exterior for painted finishes, significantly reducing
process time. What's more, its finer cell structure is comparable to
higher-density foam products without the added cost and weight.
The FR-4600 is ideal for tooling use in low temperature processes, up to
200°F (93°C). It is also an excellent alternative to wood in outdoor signs
and displays due to its ultra-smooth surface.
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![LDPE Resin / Pellets]( "LDPE Resin / Pellets")
LDPE Resin / Pellets
LDPE (Low-Density Polyethylene) Resin / Pellets - Polyethylene is a common thermoplastic resin typically used for injection molding applications. Polymers with densities less than .941 are considered low density.
- LDPE (Low Density Polyethylene) 2 Melt - Natural - 1500 LB Gaylord
- LDPE (Low Density Polyethylene) 20 Melt - Natural - 1500 LB Gaylord
Applications: LDPE is most commonly used for plastic bags. It is widely used for manufacturing various containers, dispensing bottles, wash bottles, tubing, plastic bags for computer components, and various molded laboratory equipment. It is translucent to opaque, virtually unbreakable, and very flexible.
Most common uses for LDPE: Trays and general purpose containers - Corrosion-resistant work surfaces - Parts that need to be weldable and machinable - Parts that require flexibility, for which it serves very well - Very soft and pliable parts - Six-pack rings
- LDPE is typically used as the water-proof inner and outer layer for juice and milk cartons. - Computer hardware parts - Playground slides
- Plastic wraps
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![Meldin® 7001 Polyimide (Unfilled)]( "Meldin® 7001 Polyimide (Unfilled)")
Meldin® 7001 Polyimide (Unfilled)
Meldin® 7001 Rods, Plates & Parts offer superior mechanical properties & high chemical resistance. Meldin polyimide is ideal for electrical and thermal insulating applications. More ductile than ceramics, and lighter weight than metals, Meldin® 7001 is an excellent choice for structural parts in aerospace and other applications where metal replacement is desirable. In Semiconductor Wafer Processing applications, the plasma etch rate of Meldin® 7001 is 10% to 20% lower than Vespel® SP-1 providing superior performance over time. (contact us for complete details). For IC Test Sockets & Probe Test Heads, Meldin® 7001 is also an excellent replacement for Vespel® SP-1. Meldin 7000 products feature Continuous Operational Temperatures up to 550ºF (260ºC) and Intermitting Operation up to 900ºF , while holding tight tolerances of ±0.001 in. on both ODs and IDs. Meldin 7001 is suitable for high-temperature structural, high-purity semiconductor, & plasma welding applications.
- Meldin Plates are Compression Molded & Meldin Rods are Isostatically Molded (ISO)
- Meldin DF Parts are Direct Formed. (contact us for custom quotes)
Typical Applications: Wafer Clamp Rings & Screws, IC Test Sockets & Nests, Plasma Torch Tips, Bearings, Seals, Insulators, Thrust Washers,
Semicon Insulator Bushing,
Hot Runner Insulator
- Stocked in Professional Plastics USA, Singapore & Taiwan Warehouses
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MP-1055 Model Plank
MP-1055 Model Plank is a urethane based Tooling Plank specifically developed as an economical and dimensionally stable material for master models. This Tooling Plank will not result in objectionable dust particles when planed, milled, sawed or drilled. MP-1055 Model Plank has outstanding dimensional stability, superior edge definition, resists warping and can be easily painted and finished for appearance and prototype models.
Applications: MP-1055 applications include master models, die models, styling models and prototypes, prototype foundry patterns, prototype vacuum-form molds and visual models.
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