Short curing time Platinum vulcanization agent for silicone rubber

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Shenzhen Kanglibang Science & Technology Co., Ltd.

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Classification: Chemical Auxiliary Agent
Type: Double component
Place of Origin: Guangdong China
Brand Name: KLB
Model Number: C -100A/B
CAS No.: 63148-62-9/ 9016-00-6
Purity: Pt≥99.9%
Other Names: Platinum vulcanizing agent
MF: Pt
EINECS No.: 231-116-1
Usage: Coating Auxiliary Agents,Plastic Auxiliary Agents,Rubber Auxiliary Agents,Surfactants,silicone product
Name: Silicone Platinum curing agent
Density: 0.9~1.0
Appliction: used for Kitchenwares, baby parts,and silicone wrapped metal parts
Hardness(ShoreA): 49~51
Elongation at Break(%): 500~530
Curing Condition: 110°C/180S
storage temp.: Indoors
Water Solubility: Insoluble in water
Appearance: Clear,a Milk white or semitransparent light yellow for storage.
Chemical Properties: odourless, high transparent and well anti-yellowing
Delivery Detail: 7 days after payment
Items per Carton: 10 Kilograms/Carton
Package Measurements: 50X30X30 cm
Gross Weight: 15 KG
Package Type: 1kg/bottle

Silicone Platinum cross-linking agent

Platinum curing agent

Platinum cured silicone rubber,vulcanizing agent


FDA Food grade; RoHs; Medical grade

Cookware; Kitchenware; Baby use products; Infant care products; Medical products etc.


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.



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



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:


Type one: Extrusion or Injection Process

1. For High Tensile Silicone Materials(filled with gaseous phase white carbon black)


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



Over 175°C

Curing time






2. For Normal Silicone Material


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




Curing time

7 minutes

5 minutes

4 minutes



Type two: Molding Process


Curing temperature: 115~135°C(200~300seconds)

Curing time:   Can be adjusted with the thickness and type of the silicone products







Shelf Life:

     4months at room temperature without open.

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