PF Injection Molded Parts

PF (phenolic resin), which means phenolic resin, is a solid phenolic resin that is yellow, transparent, and amorphous. We supply high quality PF injection molded parts. The main products of Zhongwei Precision Machinery Co., Ltd. are nylon products, plastic products, ABS series, rubber products, etc. Types of injection molding materials that can be processed: polyethylene (PE), polypropylene (PP), nylon (PA, PA6, PA66), polyoxymethylene (POM), ABS, polyurethane (TPU), polyphenylene sulfide (PPS), polystyrene Carbonate (PC), Polyetheretherketone (PEEK), etc.

Product Description

1. Implementation standards: the company strictly implements ISO9001, ISO14001, IATF16949, VDA6.3 certification, and products have passed ROHS, FDA EU certification, etc.

2. Product material standards: ISO, GB, ASTM, SAE, EN, DIN, BS, AMS, JIS, ASME, DMS, TOCT, GB

3. Main processes: plastic injection molding, metal insert injection molding, investment casting, die-casting aluminum,

4. Available materials for injection molding:

Processable nylon products, plastic products, ABS series; injection molding material types: polyethylene (PE), polypropylene (PP), nylon (PA, PA6, PA66), polyoxymethylene (POM), ABS, polyurethane (TPU), poly Phenyl sulfide (PPS), polycarbonate (PC), polyether ether ketone (PEEK) and 3D printing can be customized according to customer requirements.

Material properties of the product

1. PF is the abbreviation of phenolic plastic, also known as bakelite powder. Usually, the bakelite products we need are injection molded from this PF material. Bakelite is a hard and brittle material. Invented in 1872 and put into industrial production in 1909, it is also the oldest plastic in history.

2. PF materials are the most important type of thermosetting plastics. According to the products people need, they will choose to perform injection molding of thermosetting materials or other forms of processing.

3. Non-laminated phenolic plastics can be divided into cast phenolic plastics and pressed phenolic plastics. Widely used in household appliances accessories, daily necessities, handicrafts, etc.

4. PF material is also a kind of thermosetting plastic, which means that its shape cannot be changed even if it is heated after being cured and formed under heat or other environments. Unlike plastic materials, it cannot be heated and softened for re-molding after curing.

5. It is characterized by high rigidity, high hardness, thermal insulation, wear resistance, insulation, flame retardant, environmental protection, high voltage resistance, etc. after curing and molding.

6. It is widely used in today's social life, especially the frying pan handles, pull switches, oven handles, plugs, etc. These spare parts are all injection molded from thermosetting materials, and they are all cured by thermosetting materials. made of.

Phenolic resin, referred to as PF. Phenolic resin, solid phenolic resin is a yellow, transparent, amorphous bulk substance, slightly reddish due to containing free phenol, the average specific gravity of the entity is about 1.7, easily soluble in alcohol, insoluble in water , Weak acid, weak base solution is stable. Resin made by polycondensation of phenol and formaldehyde under catalyst conditions, neutralization and water washing. Due to the different catalysts used, they can be divided into two categories: thermosetting and thermoplastic. Phenolic resin has good acid resistance, mechanical properties and heat resistance. PF injection molded parts are widely used in anti-corrosion engineering, adhesives, flame retardant materials, grinding wheel manufacturing and other industries.

Generally, the temperature setting rule for extruding PE at 170~190C° is based on the melting point of PE to be extruded, and 20~30C° is added above the melting point.

PE is polyethylene, the barrel temperature is about 190 to 200 degrees for injection molding, and the hollow extrusion is between 160 and 180 degrees.

150 to 180 degrees, low pressure and low speed.

Liquid phenolic resin is yellow and dark brown liquid, such as: basic phenolic resin is mainly used as casting binder. CAS No. 9003-35-4 Uses: Used as tackifier resin for neoprene adhesive, vulcanizing agent for butyl rubber, etc. [1] Upstream raw materials: p-tert-butylphenol, formaldehyde Downstream products: phenolic molding compound, phenolic molding compound (PF2C3-631), phenolic granular injection compound (SP2501J), [2] Rosin-modified phenolic resin (type 2118), PET modified phenolic resin, phenolic asbestos friction-resistant plastic, phenolic asbestos abrasion-resistant plastic (JL24-66), phenolic asbestos acid-resistant plastic, phenolic glass fiber molding compound, polyphenylene sulfide, phenolic foam board (FD-20 type) , phenolic glass fiber reinforced plastic, phenolic plastic bearing bushes, conveyor rollers, etc.

Post Injection Molding Process

1. Processing equipment: CNC, WEDM, lathe, milling machine, drilling machine, grinder, etc.;

2. Surface treatment: For some products that require subsequent processing, we can provide surface treatment services to achieve the special purpose of customers. At present, we can provide degreasing, polishing, electroplating (gold, silver, nickel, tin, galvanized, etc.), anodizing, electrophoresis and other surface treatment services for precision parts.

Moulds and Inspection Fixtures

1. Mold service life: usually semi-permanent. (except for lost foam)

2. Mold delivery time: 10-25 days, (according to product structure and product size).

3. Tooling and mold maintenance: Zhongwei is responsible for precision parts.

Quality Control

1. Quality control: the defective rate is less than 0.1%.

2. Samples and trial run will be 100% inspected during production and before shipment, sample inspection for mass production according to ISDO standards or customer requirements

3. Testing equipment: automated visual inspection equipment can carry out 100% inspection of products, spectrum analyzer, golden elephant analyzer, three-coordinate measuring machine, hardness testing equipment, tensile testing machine.

Application

PF: Bakelite, commonly known as bakelite powder, is a hard and brittle thermosetting plastic. Plastics based on phenolic resins are collectively referred to as phenolic plastics, which are the most important type of thermosetting plastics.

PF injection molded parts are widely used as electrical insulating materials, furniture parts, daily necessities, handicrafts, etc. In addition, it is also used as asbestos phenolic plastic for acid resistance, glued paper for insulation, glued cloth, phenolic foam and honeycomb plastic for insulation and sound insulation.