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Quick Details

  • Other Names: RTV Silicone Sealant
  • Place of Origin: Guangdong, China (Mainland)
  • Classification: Other Adhesives
  • Main Raw Material: Silicone
  • Usage: Construction, Fiber & Garment, Footwear & Leather, Packing, Woodworking, Suitable for bonding silicone medical products
  • Brand Name: KLB
  • Model Number: KN-300A
  • Type: RTV Silicone Adhesive
  • English name: Silicone rubber sealant glue
  • Appearance: Semitransparent paste
  • Cured temperature: Room temperature
  • Appliction: Used for bonding metal, plastic,glass ,wood,silicone rubber each other
  • Features: Strong bonding,waterproof,sealing,electrical insulating property
  • Related categories: Adhesive,glue,bonding adhesive
  • Viscosity: 200000 CPS
  • Hardness: Shore 35A
  • Packing: 100g/tube or 300g/tube

Packaging & Delivery

Packaging Details silicone adhesive,RTV silicone packing
Delivery Time 3-7days

RTV Silicone rubber sealant glue KN-300Series

Model No.:KN-300N |  KN-300A  | KN-300X| KN-300T (For PCB) 


Product Description

Silicone adhesive (KN-300A) is one component, ready-to-use adhesive . They cure to a tough, durable, resilient silicone rubber on exposure to atmospheric moisture at room temperature. Applied to cured silicone rubber stick cured silicone rubber, metals,glass, clothes and plastic as preferably. It’s characterized by strong bonding strength, waterproof ,elastic bonding,sealing, temperature resistance (-60~280), ozone resistance, UV-Resistance and electrical insulating property.


Silicone glue cured at room temperature good bond strength
 silicone to silicone bonding                                        silicone to ceramic bonding                         
silicone to metal bonding                                            silicone to glass bonding
silicone to ABS bonding                                               silicone to paper bonding 
silicone to PVC bonding                                               silicone to Nylon bonding
silicone to plastic bonding                                          silicone to stainless steel bonding


Widely used for silicone products, electrical appliance, Automobile, Instrument, Machinery and Chemical etc.

Physical properties

Appearance: Semitransparent paste

Viscosity: 200000 CPS

Elongation: 200%

Hardness: Shore 35A

Usage :

1, Cleaning material surface for bonding

2, Gluing: The KN-300A gluing thickness less than or equal to (≤) 5mm

3, Pressing: More than 2 hours pressing, the adhesive is cured completely after 24 hours at room temperature.


KN-300A is easy to cure once contacting with moisture, it must be stored in a completely sealed packages and away from the sunlight and atmospheric humidity.

Avoid eye contact. If irritation occurs, flush eye(s) with lukewarm gently flowing water for 5 minutes and obtain medical attention.

Please fasten down the the caps after use to avoid the gel to be cured.

Make sure constant out pressure to keep bonded parts together , as optimised bond strength achieved after 24 hours and placed in ventilated rooms.

Packaging & Shipping

100g/tube ,300g/tube






Shipping and Payment Terms:


Our Services

Sample Provide  

OEM Service(Custom Service)

Technical Support

And Efficient Production Team, Timely Delivery



Customer Feedback:

I had good experience to work with Kanglibang,they have a really professional technique and production team which help me to solve all my troubles.               —— David. Mahmudi


I like the quality and the price of  silicone sealant.They are top seller in my vendor list now.   

                                                                                                                  —— Elizabeth Levine


I am regular buying silicone adhesive from Kanglibang,they never disappoint me.Thanks for their effort, my business goes steadily up.        ——Jarek Babikowski


Our factory supplies Silicone to Silicone bonding  with high quality and qompetirive price. 

Company Information




Can the KN-300 series silicone adhesive apply to food and medical area?
Sure,our KN-300 series RTV silicone is certified by FDA  and SGS which is food and medical grade!



  Order information:


MOQ: 1 tube


Trade term: FOB Shenzhen


Delivery time: 3-5 working days for sample order, 7-10 working days for mass order. INQUIRY NOW.







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