GPTMS is a high-purity organosilane coupling agent featuring both epoxy and methoxy functional groups. This dual functionality allows it to effectively bond organic polymers with inorganic substrates, enhancing adhesion, mechanical strength, and durability in various applications.
Common Names: GPTMS, GLYMO, GOPTS
Functional Equivalents:
Momentive A-187
Dow Corning Z-6040
Wacker GF 80
Evonik Dynasylan GLYMO
ShinEtsu KBM-403
SiSiB® PC3100
CFS-838
| Property | Specification |
|---|---|
| Chemical Name | 3-Glycidyloxypropyltrimethoxysilane |
| CAS Number | 2530-83-8 |
| Molecular Formula | C₉H₂₀O₅Si |
| Molecular Weight | 236.34 g/mol |
| Purity | ≥98% (GC) |
| Appearance | Colorless to light yellow liquid |
| Density (25°C) | ~1.07 g/mL |
| Refractive Index | 1.427 – 1.430 |
| Boiling Point | 120°C at 2 mmHg |
| Flash Point | 135–137°C |
| Solubility | Soluble in organic solvents; hydrolyzes in water |
| Storage Conditions | Store in a cool, dry place; protect from moisture |
Enhances adhesion between organic polymers and inorganic substrates
Improves mechanical strength and durability
Reduces cathodic disbondment in coatings
Acts as a primer or additive in various formulations
Compatible with a wide range of resins and polymers
Coatings & Paints: Improves adhesion and durability on metal and glass surfaces.
Adhesives & Sealants: Enhances bonding strength in epoxy, polyurethane, and silicone systems.
Composites: Strengthens fiber-reinforced plastics and mineral-filled composites.
Electronics: Used in encapsulation and potting compounds for electronic components.
Foundry Resins: Enhances mechanical properties and chemical resistance.
As a Coupling Agent: 0.5% to 3% by weight of the total formulation.
As an Additive: 1% to 5% by weight, depending on the specific application and desired properties.
Note: Optimal dosage should be determined through preliminary testing.
1 kg
5 kg
25 kg
Transportation and courier facilities are available.
Store in a cool, dry, and well-ventilated area.
Keep containers tightly closed when not in use.
Protect from moisture and direct sunlight.
Recommended storage temperature: Below 30°C.
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