Neogel® NPG 8373-W- 9903 has beendeveloped especially for boat building,swimming pools, sanitary ware andfurniture.
| Products Brand | |
|---|---|
| Additive Classification | Gel Coat |
| Industry | Adhesives, Paints & Coatings |
Neogel® 8373-W-XXXX is an iso/Neopentylglycolgelcoat which has a combination of importantcharacteristics: easy application, good resistance to longimmersion in water (good blister resistance), excellentweather ability (less yellowing), air release, goodmechanical properties, conforms USA ANSI-Z-124-1,approved by DNV Italia and Italian RINA.
| Characteristics | Test Method | Unit | Typical Value Base Gelcoat Brush | Typical Value Base Gelcoat Spray |
| Appearance | TM 2265 | — | Thixotropic liquid | Thixotropic liquid |
| Viscosity at 25℃ (#4, rpm2) | TM 5042 | mPa.s | 42500-52000 | |
| Viscosity at 25℃ (#4, rpm20) | TM 5042 | mPa.s | 5700-7300 | 3500-5200 |
| Geltime at 25℃ | TM 2245 | minutes | 45644 | 45519 |
| Characteristics | Test Method | Unit | Typical Value White Gelcoat Brush | Typical Value White Gelcoat Spray |
| Barcol Hardness (*) (**) | D 2583-67 | — | 40-45 40-45 | 20-25 40-45 |
| Tensile Strength (**) | D 638 | MPa | 50±5 | 50±5 |
| Tensile Modulus (**) | D 638 | MPa | 3650±150 | 3800±150 |
| Elongation at Break (**) | D 639 | % | ≥2.5 | ≥2.5 |
| Flexural Strength (**) | D 790 | MPa | 95±5 | 85±5 |
| Flexural Modulus (**) | D 790 | MPa | 3300±150 | 3600±150 |
| HDT 66 psi (**) | D 648 | ℃ | ≥95 | ≥95 |
Brand:Perkadox®
Chemical family:Organic peroxide
CAS number:80-43-3
Physical form:Crystal
Molecular Weight:270.4
Concentration:5.86% min.
Chemical name:Dicumyl peroxide
Brand:Trigonox®
Chemical family:Organic peroxide
CAS number:75-91-2
Physical form:Liquid
Molecular Weight:90.1
Chemical name:tert-Butyl hydroperoxide, 70% solution in water
Brand：Trigonox®
Chemical family：Organic peroxide
CAS number：80-15-9
Physical form：Liquid
Molecular Weight：152.2
Chemical name：Cumyl hydroperoxide
Brand：Perkadox®
CAS number：94-36-0
Molecular Weight：242.2
Concentration：3.20-3.37%
Chemical name：Dibenzoyl peroxide, paste, 50% in dipropylene glycol dibenzoate and water
Appearance: Brown-yellow transparent liquid
Density: 1.05-1.07kg/L
Viscosity: 1 350±100cps
Solid content: 55±1%
Gelation time: 2 15±5min
Shelf life: 6 months (below 25℃)
Appearance: light yellow transparent liquid
Density: 1.06±0.02kg/L
Viscosity: 430±150 cps (LVT#3-60rpm/25℃)
Solid content: 62±1.5%
Gelation time: 15-25 minutes
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