Optimum logo

Optimum

Opti-Seal Paint Sealant

silicone-basedpolymer-basedconcentratespray-onhigh-glosslong-lasting

Best Value

$1.09/oz

A hyper-concentrated silicone spray sealant designed for professional detailers and enthusiasts seeking maximum coverage efficiency and durable polymer protection.

Key Chemistry

pH Level

N/D

Active Mechanism

silicone barrier formation

Surfactants

0

Expert Analysis

Built around an extremely high concentration (92-95%) of decamethylcyclopentasiloxane, a volatile silicone that flash-evaporates to leave a protective polymer film. The formulation prioritizes cross-linking polymer chemistry over traditional surfactant-based approaches, allowing the product to cure rapidly upon application without requiring buffing or removal steps.

Key Differentiators

  • Decamethylcyclopentasiloxane-based formulation provides cyclic silicone structure for enhanced durability compared to linear siloxane sealants
  • Surfactant-free formulation eliminates potential streaking and residue issues common in spray-applied sealants
  • Ready-to-use spray application requires no buffing or removal step, unlike traditional paste or liquid sealants

Potential Concerns

  • Hyper-concentrated formula requires precise application technique to avoid streaking or uneven coverage
  • High silicone content may interfere with future paint correction or coating applications if not properly removed

Ingredients

8 disclosed
Decamethylcyclopentasiloxane92-95%
CAS: 541-02-6Sealer component
Dodecamethylcyclohexasiloxane1-4%
CAS: 540-97-6Sealer component
Dimethyl, Methyl Aminoethylaminoisobutyl siloxane, methoxy & hydroxy terminated0.3-1.2%
CAS: 831241-93-1Sealer component
Poly (phenylsilsesquioxane)0.1-0.5%
CAS: 70131-69-0Sealer component
Trimethylsiloxysilicate0.1-0.3%
CAS: 68988-56-7Sealer component
Pentyl acetate0.05-0.06%
CAS: 628-63-7Solvent
2-methylbutyl acetate0.03-0.05%
CAS: 624-41-9Solvent
Water1-2%
CAS: 7732-18-5Diluent

Source: sds only

Safety Profile

Signal Word
Warning
Eye Hazard
H319: Causes serious eye irritation
Skin Hazard
H315: Causes skin irritation
Corrosive to Metals
No
Flammable
Yes