Tonsan® 1533 White is a two-component adhesive that can cure quickly at room temperature, providing excellent sealing and bonding. This material is recommended for potting electronic components, particularly junction boxes on PV modules. It has excellent dielectric properties and V1 flame retardancy.

RTU Product Type: 2K (2 component) Adhesive, Encapsulant

Application Area: Blades, Edge Gluing, Energy Storage, Frame Sealing, Ingot Bonding, Lithium-Ion Battery, Module Installation, PV Modules, Rail Bonding, Turbines

Chemical Family: Silicones

Features: Excellent Dielectric Properties, Excellent Electrical Performance, Excellent Substrate Adhesion, Fast Cure, Flame Retardant, Good Fluidity, Good Gap Filling Capabilities, Good Thermal Conductivity, Good Weather Fastness

Technical Data Sheet
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Enhanced TDS

Identification & Functionality

Features & Benefits

Applications & Uses

Markets
Applications
Application Area
Cure Method
Curing Profile

Recommended cure: 21 - 25°C, 45 - 55%RH for 7 days

Application Instructions
  • Part A should be blended thoroughly before mix with Part B in order to make filling material distribute evenly.
  • Mix evenly according to the ratio.
  • Pot the mixed material.
  • Recommended using automatic dispensing equipment to applying the potting compound.

Properties

Color (Properties)
Physical Form
Appearance
White viscous liquid
Thermal Properties
ValueUnitsTest Method / Conditions
Nominal Service Temperature- 50 to 200°C-
Thermal Conductivity0.3W/mKDIN EN 821
Typical Properties
ValueUnitsTest Method / Conditions
Curing Temperature (at 45 - 55% RH, 7 days)21 - 25°C-
Cured Mechanical Properties
ValueUnitsTest Method / Conditions
Hardness45Shore AGB/T 531
Tensile Strength1MPaGB/T 528
Elongation at Break100%GB/T 528
Electrical Properties
ValueUnitsTest Method / Conditions
Dielectric Strength20kV/mmGB/T 1695
Volume Resistivity1.0 x 10¹⁵Ω-cmGB/T 1692
Technical Data
ValueUnitsTest Method / Conditions
Mix Ratio (by volume)4:1--
Density (mixed)1.26g/cm³GB/T 13354
Mix Ratio (by weight)5.5:1--
Viscosity1000 - 3000cPs-
Work Lifemin. 8m-
Cured Properties
ValueUnitsTest Method / Conditions
Flash Pointmin. 93°CGB/T 5208
Gel Time60minutes-
Work Life (viscosity higher than 30000 mPa·s)8m-
Damp Heat Aging Test Properties
ValueUnitsTest Method / Conditions
Volume Resistivity (at 85°C, 85% RH, 1000h)1.0 x 10¹⁵Ω-cmGB/T 1692
Rheological Properties
ValueUnitsTest Method / Conditions
Viscosity (mixed)2000mPa.sGB/T 2794
Viscosity (resin)4000mPa.sGB/T 2794
Viscosity (activator)50mPa.sGB/T 2794

Packaging & Availability

Country Availability
Regional Availability
  • Asia Pacific
  • Europe
  • India/MiddleEast/Africa (IMEA)
  • North America

Storage & Handling

Shelf Life
6 months
Storage Condition

Product shall be ideally stored in a cool, dry area in unopened containers at room temperature. Keep away from children.