A-304: Platinum Primer
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Product Details
A-304 Silicone Primer
A-304 is a one-component, clear silicone primer designed to improve adhesion in platinum (addition-cure) silicone systems. It serves as an excellent starting solution for enhancing bond strength where standard primers may not provide sufficient performance.
This air-drying primer promotes reliable adhesion between silicone elastomers and a variety of substrates, including metals, glass, ceramics, certain plastics, and other silicone materials.
Product Features
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Designed for platinum-cure silicone systems
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Improves adhesion to multiple substrates
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One-component, ready-to-use formula
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Clear, air-drying primer
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Ideal baseline primer for silicone bonding applications
Compatible Substrates
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Metals
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Glass and ceramics
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Many plastics
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Silicone elastomers
Note:
For enhanced bonding performance and easier handling, see A-306 Silicone Primer.
Shipping Note:
⚠ Hazardous shipping rates may apply for air shipments (some restrictions apply)
A dependable primer for achieving improved adhesion and consistent bonding performance in platinum silicone applications.
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Shipping & Compliance
Most orders ship within 1-2 business days. Hazardous materials may require additional processing time and special shipping arrangements.
Technical Specifications
| Physical Properties | |
| Specific Gravity | 0.77 |
| Viscosity | 1 cP |
| Processing Properties | |
| Mix Ratio | 1:1 by weight or volume |
| Work Time | 30.0 min |
| Cure Time (Room Temp) | 30 minutes |
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Expert Technical Support
Contact UsOur team has decades of experience helping prosthetic clinicians, device manufacturers, and special effects artists select the right materials for their applications.
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Quality Guaranteed
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Consistent material performance backed by batch traceability and available COA/COC documentation for all lot numbers.