Product Details
Place of Origin: China
Brand Name: JIA SAHN
Certification: ISO9001
Model Number: Customization
Payment & Shipping Terms
Minimum Order Quantity: 8
Price: As drawing
Delivery Time: 1-5 weeks
Payment Terms: T/T, D/P, Western Union
Supply Ability: Batch orders and sample orders are available
Surface Treatment: |
Anodizing/Painting/Sandblasting/Brushing/ Laser |
Feature: |
High Precision |
Material: |
Plastic PE,PP,PS,PVC,PC,PET,Nylon (PA6, PA66), PEEK,ABS |
Durability: |
Long-lasting |
Color: |
Customization |
Type: |
Heat Exchange Equipment |
Application: |
Machinery |
Finish: |
Polished Is Available |
Size: |
Customized |
Tolerance: |
ISO2768M ISO2768C |
Port: |
Shenzhen |
MOQ: |
1 |
Drawing Format: |
3D:STP,STEP,IGS,PRT 2D:DWG,DXF,PDF |
Quality Control: |
100% Inspection Berore Shipment |
Surface Treatment: |
Anodizing/Painting/Sandblasting/Brushing/ Laser |
Feature: |
High Precision |
Material: |
Plastic PE,PP,PS,PVC,PC,PET,Nylon (PA6, PA66), PEEK,ABS |
Durability: |
Long-lasting |
Color: |
Customization |
Type: |
Heat Exchange Equipment |
Application: |
Machinery |
Finish: |
Polished Is Available |
Size: |
Customized |
Tolerance: |
ISO2768M ISO2768C |
Port: |
Shenzhen |
MOQ: |
1 |
Drawing Format: |
3D:STP,STEP,IGS,PRT 2D:DWG,DXF,PDF |
Quality Control: |
100% Inspection Berore Shipment |
Polyurethane Resin Silicone Vacuum Casting Parts Flexible plastic functional parts
Product Description:
Vacuum casting uses silicon moulds to make a high-quality prototype of plastic and rubber components using two-component polyurethanes resins.
What is Vacuum casting?
Vacuum casting, sometimes referred to as Urethane casting or Polyurethane casting uses silicone moulds to make plastic and rubber components under vacuum. It is an extremely adaptable manufacturing process capable of mimicking the injection moulding to produce complex parts in polyurethane resins and cast nylon.
Due to the process being under vacuum, it produces high-quality bubble-free casting with smooth surface texture without any blemishes.
Vacuum casting can be extremely useful in rapid prototyping injection moulding parts and worth considering when selecting rapid prototyping processes for plastic or rubber parts.
Applications of vacuum casting
Vacuum casting is one of the most cost-effective ways to produce high quality, low volume plastic parts which can be similar to injection moulding parts
The parts are especially suitable for form, fit and function tests during the embodiment design stages, where they can be used for marketing, field user testing and product design verification purposes
There are many Urethane casting resins commercially available that can be used to create parts to satisfy a wide range of design requirements such as temperature requirements, different surface textures, hardness, etc.
Materials are also available to create parts that are fully opaque, translucent or completely transparent
Sometimes high-quality wax masters can be made using vacuum casting for investment casting to increase the finer details of intricate features
| Time frame | Within 24 hr – 5 working days for up to 30-50 parts |
| Material choice | Wide variety of materials available |
| Accuracy | ±0.3% (with a lower limit of ± 0.3 mm on dimensions smaller than 100 mm) |
| Minimum wall thickness | To ensure that the mould is filled properly, a wall thickness of at least 0.75 mm is necessary. But best results are achieved with a recommended wall thickness of 1.5 mm |
| Maximum part dimensions | The size of the mould is limited by the dimensions of the vacuum chamber |
| Typical quantities | Up to 50 parts per mould |
| Surface structure | Gloss to Matt surface finish can be obtained |
1,Polyurethane sealant has the following characteristics: excellent abrasion resistance; low-temperature flexibility; performance can be adjusted to a wider range; mechanical strength; good adhesion; good elasticity, excellent restorative properties, can be suitable for dynamic joints; good weather resistance, service life of up to 15 to 20 years; excellent oil resistance; biological aging resistance; moderate price.
2,Polyurethane sealant also has some disadvantages. Such as: not long-term heat resistance; light-coloured formulations are susceptible to ultraviolet light aging; one-component adhesive storage stability by packaging and external influences, usually slower curing; high-temperature thermal environment may produce bubbles and cracks; many occasions need primer. At the same time, the water resistance of polyurethane sealant is also poor, especially alkali water resistance is not good.
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