• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Classification: Other Adhesives
  • Main Raw Material: Silicone
  • Usage: Construction, Transportation, Other
  • Brand Name: JOIN LEADER
  • Model Number: JOINSIL 550
  • Color: Grey, Black, White, Silver Grey, etc.
  • Cure: Neutral

Packaging & Delivery

Packaging Details Cartridges: 280mL, 300mL
Tube: 32g, 85g
Aluminum sausage: 300mL, 600mL
Delivery Time 10-30 days


1. One-part
2. High modulus
2. Mainly designed for bonding and sealing of mirrors

JOINSIL 550 Mirror Silicone Sealant



JOIN LEADER 550 Mirror Silicone Sealant is a high modulus, neutral-curing, nor corrosive, weatherproof and anti-mildew with outstanding adhesion that provides a permanent flexible bond for mirrors to plaster, metal, or wood.

JOIN LEADER 550 Mirror Silicone Sealant is mainly designed for bonding mirrors.

It can also be used for anti-mildew and sealing of many materials, like glass, ceramic, etc.



Acid free – will not desilver or discolor mirrors

Non corrosive to metals

Excellent primerless adhesion to many non-porous materials

Low odor

Outstanding primer less adhesion to a variety of substrates

Suitable for alkaline substrates such as concrete, plaster, fibrous concrete

Excellent UV-resistance and durability

Excellent mould resistance

Abrasion resistant

Excellent water-resistance

Unaffected by alcohols, dilute acids and alkalis, soap and household detergents



As Supplied – tested at 23°C±2°C, RH50%±5%:

Aspect:                     Tixotropic Paste

Specific Gravity:             Approxy 1.45 

Skinning Time, min:             25-60

Application Temperature, °C:       +5 to +40

Drop Degree, MM:               ≤1

Extrusion Ability, mL/Min:          ≥ 300


As Supplied – tested at 23°C±2°C, RH50%±5% 7 days :

Service Temperature, °C:         -40 to +180

Hardness, Shore A              20~50         ASTM C 661

Tensile Strength, MPa:           ≥0.6            ISO 8339-A

Tear Strength, N/mm              ≥4           ISO 34 – C

Elongation at Breaks, %::        ≥150          ASTM D638

Volatility Content, %:            ≤10           EPA -24

Depth of Curing, 24H, MM        ≥2             ASTM C1184-05

Depth of Curing, 7D, MM          ≥6            ASTM C1184-05

Movement Capability Level,%      20              ISO 9047



JOIN LEADER 550 Mirror Silicone Sealant is ideal for mirror installations, bonding mirrors to painted surfaces, plaster, metal, or wood  

It is also suitable for sealing, bonding, and mending tasks in car, boat, caravan, and house.

It can be used on alkaline surfaces such as concrete, fibrous cement, mortar, asbestos and plaster



12 months in unopened packaging in a cool and dry storage place at temperatures between +5°C and 27°C.



Black, white and silvery gray.



Cartridges: 280mL, 300mL

Tube: 32g, 85g

Aluminum sausage:  300mL, 600mL







Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
China (Mainland) | Manufacturer, Trading Company
Transaction Level:
Supplier Assessments:
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $48,000
Learn More