- Product Details
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Quick Details
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Application:
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Mold Making Materials
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Material:
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100% Silicone
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Type:
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Room temperature valucanized
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Color:
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White/translucent and adjustable
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Mixing ratio:
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1:1/10:1
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Hardness:
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20 Shore A
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Features:
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Fast Curing
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Appearance:
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Liquid Two Component3-5 hrs
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MOQ:
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100KG
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Sample:
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1kg sample is available
Quick Details
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Place of Origin:
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Guangdong, China
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Brand Name:
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DC SILICONE
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Model Number:
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DC-A20 silicone rubber
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Application:
-
Mold Making Materials
-
Material:
-
100% Silicone
-
Type:
-
Room temperature valucanized
-
Color:
-
White/translucent and adjustable
-
Mixing ratio:
-
1:1/10:1
-
Hardness:
-
20 Shore A
-
Features:
-
Fast Curing
-
Appearance:
-
Liquid Two Component3-5 hrs
-
MOQ:
-
100KG
-
Sample:
-
1kg sample is available
Product Description
Addition Cure (Platinum)
Addition cure silicones, also known as platinum cure silicones, have without doubt the longest lifespan of all the silicones available. They also have minimal to zero shrinkage so are ideal when accuracy of casting is required weeks or months later. They are great for mould making for a variety of materials and industries, from epoxies, polyesters, plaster, and also low melting metals where heat tolerance is required. Industries are equally varied from rapid prototyping or SFX applications, where a skin-safe silicone is needed for life-casting.
While good for making molds for casting a variety of materials, platinums also have application and physical properties that other rubbers do not. As a result, they are used for other applications. For example, some are certified “skin safe” and can be applied directly to human skin. They are also used for making prosthetic and orthotic devices, skin safe appliances and effects, etc. Some are certified “food safe” for culinary applications.
Technical Data @25°C/77°F
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Testing Name
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Value
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Result
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|
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Model Number:
|
/
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DC-A20
|
|
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HARDNESS
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Shore A
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20 shore A
|
|
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MIXING RATIO OF CATALYST
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A:B
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1:1/10:1
|
|
|
VISCOSITY
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Cps
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3000±500
|
|
|
Tear Strength
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KN/m
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25
|
|
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Tensile Strength
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MPa
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4.8
|
|
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Elongation
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%
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>700
|
|
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Shrinkage rate
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%
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≤0.1
|
|
|
OPEARTION TIME
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Minutes
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30-40 (adjustable)
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|
|
CURING TIME
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Hours
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3-5
(adjustable)
|
|
|
SHELF LIFE
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Twelve (12) months
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TWELVE (12) MONTHS
|
|
*1 Mold Silicone in different hardness and colors are available
*2 Curing agent with different curing speed can be adjusted
*3 Standard curing time will vary depending on the size of the cured item, temperature and humidity.
*2 Curing agent with different curing speed can be adjusted
*3 Standard curing time will vary depending on the size of the cured item, temperature and humidity.
The Inhibition Problems of Platinum Cure Silicone
With the fantastic mechanical properties platinum cure silicones offer, they do need to be used carefully to avoid inhibition. Inhibition is when a platinum cure silicone doesn’t fully cure due to a form of contamination on the surface of what you are attempting to mould. Though it may look fully cured on the surface, when you separate it from the item you were moulding you will find a tacky surface - namely inhibition. This is something you must be aware of when using platinum silicones and care must be
taken - a good example is latex or moulding directly from a clay with sulphur. Both of these will cause the Platinum Cure silicone to inhibit. There are a number of solutions available to avoid this from happening but please if in any doubt contact Emily +86-13828747813 if unsure at any time.
taken - a good example is latex or moulding directly from a clay with sulphur. Both of these will cause the Platinum Cure silicone to inhibit. There are a number of solutions available to avoid this from happening but please if in any doubt contact Emily +86-13828747813 if unsure at any time.
For proper cure, avoid the following materials:
TIN CONTAINNING COMPOUNDS
*Condensation cure silicones
SULFUR CONTAINNING COMPOUNDS
* Thiols
* Sulfides
* Sulfates
* Sulfites
* Thioureas
Note: Some aerosol paints contains latex
* Wood
* Natural rubber
*PVC (plasticized)
* Neoprene rubber
NITROGEN CONTAINNING COMPOUNDS
* Epoxy/amine cure materials
URETHANES (ISO-cyanates)
*Polyurethane paints
* Urethane
RTV UNSATURATED HYDROCARBON PLATIZERS
* High acid content PVC
Packing Way
We have different package size for your needs.
1KG/3KG/5KG/10KG/20KG/25KG/200KG/Drum
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