Silicone Platinum Vulcanizing Agent Hardener
Silicon Platinum Curing Agent / Coupling Agent Vulcanization/ Cross-linking Agent/ Bridging agent Silicone Catalyst / Platinum Silicone Accelerator / Vulcanization Accelerator C-100 A / B Two components
Food grade,Medical grade
C-100A and C-100B belongs to platinum addition type cross linking agent and can be approved by FDA after cured, also characterized by non-toxic, odourless, high transparent and well anti-yellowing.The materials can be cured again if low-molecular -weight is strict by request. This agent are mainly applied to Food Grade and Medical Grade products, such as nipples, cake mold, silicone cookwares, medical silicone tube and so on, also can be used for extrusion products and mobile phone keypad. Component: A: Platinum catalyst B: Organosilicon polymer C: Silicone cross-linking agent D: Vulcanization retarders
Physical Properties: (Tested by KE-951U Gel)
Appearance: Milk white or semitransparent light yellow Specific Gravity ( 23°C ) 0.9~1.0 Hardness(ShoreA) 49~51 Tensile Strength (Mpa) 10~13 Elongation at Break(%) 500~530 Cracking Resistance(KN/m) 24~27 Compression Set %(100°C/22h) ≤5 Notes: 1. Avoid to contact with nitrogen, phosphorus, sulfur and heavy metal materials,they will cause dead materials. 2. The cross linking agent is added by weight to Part B and should be thoroughly mixed into Part A after adding Part B,the order is important. A and B can not be mixed together. 3. The temperature of mixing machine which used for mixing silicone with this agent can not be higher than 45°C.Please add this agent after being cold. 4. Thoroughly vulcanized materials by this agent must be used up within two days. 5. Pleas choose the suitable raw materials for hot air vulcanization, bad raw materials will cause bubbles.
Method of Application : Application Ratio is Adjustable.
Type one: Extrusion or Injection Process 1. For High Tensile Silicone Materials(filled with gaseous phase white carbon black) Application ratio: C-100B 2.0~2.5% C-100A 0.5~0.6% Curing condition: IR(6meters),constant temperature ±5°C. First curing: IR curing at 190~200°C for 40~60. Finished curing: After first curing, it should be cured again as below conditions.
Curing temperature 155~165°C 165~175°C Over 175°C Curing time 3~5minutes 3minutes 2minutes 2. For Normal Silicone Material
Normally C-100B 1%
Application ratio: C-100B 1.5~2.0% C-100A 0.5~0.6% Curing condition:IR(6meters),constant temperature ±5°C. First curing: IR curing at 190~200°C for 40~60. Finished curing:After first curing, it should be cured again as below conditions.
Curing temperature 80~90°C 95~110°C 115~135°C Curing time 7 minutes 5 minutes 4 minutes Type two: Molding Process Application ratio: C-100B 1.0~1.5% C-100A 0.5% Curing temperature: 115~135°C ( 200~300seconds ) Curing time:Can be adjusted with the thickness and type of the silicone products
Packing : Bottle
Shelf Life : 6 months at room temperature without open.
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