Shenzhen Hanast New Material co.,LTD
| Payment Terms | T/T、paypal |
| Supply Ability | 10ton/year |
| Delivery Time | 7-10days |
| Packaging Details | 1KG/bottle |
| Platinum content | 4000–6000 ppm |
| Viscosity | < 50 mPa·s at 25°C |
| Recommended cure temperature | 25–120°C |
| Shelf life | 12 months in unopened container |
| Brand Name | Hanast |
| Model Number | PT5000 |
| Certification | Rohs/Reach |
| Place of Origin | Guangdong, China |
View Detail Information
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Product Specification
| Payment Terms | T/T、paypal | Supply Ability | 10ton/year |
| Delivery Time | 7-10days | Packaging Details | 1KG/bottle |
| Platinum content | 4000–6000 ppm | Viscosity | < 50 mPa·s at 25°C |
| Recommended cure temperature | 25–120°C | Shelf life | 12 months in unopened container |
| Brand Name | Hanast | Model Number | PT5000 |
| Certification | Rohs/Reach | Place of Origin | Guangdong, China |
| High Light | Fast-Cure Karstedt Catalyst for silicone ，Medium temperature curing catalyst ，Low temperature silicone molding catalyst | ||
Product Overview for Karstedt Catalyst
PT-5000SW is a high-activity, fast-cure Karstedt catalyst specifically formulated for medium to low temperature applications. It enables rapid crosslinking even at room temperature, making it ideal for thermal potting gels, silicone gels, and molding rubber where quick demolding is required.
Product Features for Karstedt Catalyst
Accelerated curing at 25–80°C
Low exotherm, suitable for thick sections
Excellent fluidity and dispersion in silicone bases
Minimizes air entrapment and bubble formation
Product Parameters for Karstedt Catalyst
Platinum content: 4000–6000 ppm
Viscosity: < 50 mPa·s at 25°C
Recommended cure temperature: 25–120°C
Shelf life: 12 months in unopened container
Applications for Karstedt Catalyst
Thermal potting compounds for electronics
Silicone gels for cushioning and encapsulation
Mold-making silicone rubber
Low-temperature cure RTV systems
Operating Guidelines for Karstedt Catalyst
Use 0.05–0.5% by weight in silicone base
Pre-mix with vinyl-containing component thoroughly
Cure profile: 30 min @ 80°C or 2–4 hrs @ 25°C
Precautions for Karstedt Catalyst
Avoid contamination with sulfur, phosphorous, or organic tin
Do not expose to high humidity before curing
Packaging & Storage for Karstedt Catalyst
500 g, 1 kg, 5 kg amber glass bottles
Store below 30°C in dry, dark conditions
FAQ for Karstedt Catalyst
How fast does PT-5000SW cure at room temperature?
Gel time: 10–20 minutes; tack-free time: 30–60 minutes depending on system.
Can it be used for potting sensitive electronic components?
Yes, its low exotherm and excellent electrical insulation make it ideal.
Is post-curing required?
Not necessary, but baking at 60–80°C for 1–2 hours enhances properties.
Does it work with high-viscosity silicone bases?
Yes, it disperses well even in thickened systems.
What is the maximum operating temperature after cure?
Up to 200°C continuous, 250°C short-term.
Company Details
Business Type:
Manufacturer,Agent,Trading Company
Year Established:
2010
Total Annual:
5000000-10000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
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