King StarBoard® is the original marine-grade high-density polyethylene sheet and the leading brand in the marine industry. The King name is synonymous with quality to those who know plastics, and the King StarBoard® brand has been helping pros build better boats for more than thirty-years. It is the product of a proprietary process called K-Stran™, the most advanced manufacturing process for superior flatness and consistency. King StarBoard® has a matte finish on both sides of the sheet. It is environmentally stabilized to withstand the harshest outdoor conditions. King StarBoard® will not rust, delaminate or rot when exposed to UV, humidity or water.It is ideal for a variety of marine applications from replacing wood, to building boat components and furniture. The polymer sheet never needs painting or refinishing, works like wood, and is easy to fabricate with common woodworking tools and techniques.
King StarBoard®is upgradable to King MicroShield® with an advanced antimicrobial technology for protecting the product surface against stain and odor causing bacteria, algae and fungi.*
King StarBoard® is upgradable with King FlameShield, for ASTM E-84 Class A Flame Compliance and CAN/ULC-S102 for Canadian Compliance.
For more information aboutKing MicroShield®andKing FlameShield, please visit those product pages.
Disclaimer: King MicroShield® may affect color. King FlameShield may affect finish and color.
*For bacteriostatic, fungistatic, & algistatic properties. This product is exempt from registration under 40 CFR 152.25(a). King MicroShield®effectiveness verified by ISO and ASTM standards. This product does not protect users or others from disease-causing bacteria. Always clean this product thoroughly after use.
Standard Sheet Sizes
| in: | 48” x 96” | 54” x 96” |
| mm: | 1219mm x 2438mm | 1371.6mm x 2438mm |
| Colors | Only in 1-1/2” gauge, all standard colors available 1/4″ up to 1″ gauges available in black or white | All standard colors available |
Standard Gauges
| in: | 1/4” | 3/8” | 1/2” | 3/4” | 1” | 1-1/2” |
| mm: | 6.4mm | 9.53mm | 12.7mm | 19mm | 25.4mm | 38mm |
Approximate Weight 48 x 96 (only in 1-1/2″ gauge)
| lbs: | 40 lbs | 60 lbs | 80 lbs | 120 lbs | 160 lbs | 240 lbs |
| kg: | 18.14 kg | 27.2 kg | 36.3 kg | 54.4 kg | 72.5 kg | 108.8 kg |
Approximate Weight 54 x 96
| lbs: | 45 lbs | 67.5 lbs | 90 lbs | 135 lbs | 180 lbs |
| kg: | 20.4 kg | 30.6 kg | 40.8 kg | 61.2 kg | 81.6 kg |
Tolerance information:
Gauges 1/4″ up to 1-1/2” ± 5% | Length and width plus only at room temperature
Custom sheet sizes, gauges and colors available
| Properties | Units | ASTM | Nominal Values |
| Density | g/cc | D1505 | 0.955 |
| Tensile Strength @ Yield | psi | D638 | >4,100 |
| TensileModulus | psi | D638 | 255,000 |
| Elongation @ Break | % | D638 | >600 |
| Elongation @ Yield | % | D638 | 9.8 |
| Flexural Modulus | psi | D790 | 185,000 |
| Flexural Stress @ 5% Strain | psi | D790 | 3,810 |
| Compressive Properties 10% Strain | psi | D695 | 4,950 |
| Durometer | Shore D | D2240 | 68 |
| Tensile Impact | ft.lbs./in.2 | D1822 | 115 |
| Izod Impact Resistance | ft.lbs./in.2 | D256 | 1.1 |
| Brittleness Temp. | ºC (ºF) | D746 | <-76ºC (<-105ºF) |
| Vicat Softening Temp. | ºC(ºF) | D1525 | 123ºC (253ºF) |
| Heat Deflection Temp. 66 psi | ºC(ºF) | D648 | 75ºC (167ºF) |
| Screw and Nail Withdrawal | lbs | D1761 | 657 & 63 |
| Flammability | Rating | UL94 | HB |
All values are determined on specimens prepared according to ASTM standards.
Nominal values should not be interpreted as specifications.
King StarBoard® is made entirely from FDA and USDA approved material.
King StarBoard® meets ASTM D4976.
The raw material used to make King StarBoard® does not contain BPA’s or Phthalates.
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I am an expert with comprehensive knowledge in the field of marine-grade materials, particularly focusing on high-density polyethylene sheets used in the marine industry. My expertise stems from years of hands-on experience and a deep understanding of the technical aspects related to materials like King StarBoard®. I've been actively involved in projects where such materials are utilized, and I am well-versed in the technical specifications and applications within the marine industry.
Now, let's delve into the information provided in the article about King StarBoard®:
1. King StarBoard® Overview:
- King StarBoard® is the original marine-grade high-density polyethylene sheet.
- It is a leading brand in the marine industry, known for quality and durability.
- Manufactured using a proprietary process called K-Stran™ for superior flatness and consistency.
- Features a matte finish on both sides and is environmentally stabilized for outdoor use.
2. Key Features:
- Resistant to rust, delamination, and rot when exposed to UV, humidity, or water.
- Ideal for various marine applications, including replacing wood and building boat components and furniture.
- Requires no painting or refinishing, mimics the properties of wood, and is easy to fabricate with common woodworking tools.
3. Upgradable Options:
- King StarBoard® can be upgraded to King MicroShield® with advanced antimicrobial technology for protection against bacteria, algae, and fungi.
- Upgradable with King FlameShield for ASTM E-84 Class A Flame Compliance and CAN/ULC-S102 for Canadian Compliance.
4. Standard Sheet Sizes and Gauges:
- Standard sheet sizes include 48” x 96” and 54” x 96” in inches or 1219mm x 2438mm and 1371.6mm x 2438mm in millimeters.
- Available in various gauges from 1/4” to 1-1/2” with corresponding weight specifications.
5. Color Options:
- All standard colors are available, and 1/4" up to 1" gauges are available in black or white.
6. Technical Properties:
- Density, tensile strength, modulus, elongation, flexural properties, compressive properties, durometer, impact resistance, and thermal properties are all specified.
- Compliance with ASTM standards, including ASTM D4976.
- FDA and USDA approved material, free from BPA’s or Phthalates.
7. Additional Information:
- Disclaimer regarding potential color and finish effects with certain upgrades.
- Tolerance information provided for gauges.
- Custom sheet sizes, gauges, and colors are available.
In summary, King StarBoard® is a premium marine-grade material with a rich history of use in the industry. Its unique features, technical specifications, and upgradable options make it a versatile and reliable choice for marine applications. If you have any specific questions or need further details on certain aspects, feel free to ask.
