Protect your patients and employees with King MicroShield®,
the new kind of antimicrobial protection in our polymer sheet products
- Description
- Applications
- How it Works Video
- Comparison Chart
- Specifications
- Physical Properties
- Downloads
King MicroShield® is a new kind of antimicrobial protection upgrade now available in many of King Plastic Corporation’s polymer sheets, slabs and massive shapes. King MicroShield® inhibits the growth of product-damaging microorganisms, including bacteria, algae and fungi on the surface. Microbe cell walls that come into contact with King MicroShield® are destroyed on contact, without creating opportunities for adaptive or resistant strains to form. Because the antimicrobial agent is bonded at the atomic level throughout the sheet, it will not leach out of the product. This means the agent retains its effectiveness throughout the life of the product and does not harm the environment. It is safe, non-toxic and non-hazardous to ship and handle. The product is EPA-registered and listed with the FDA as a modifier to medical devices. Products made using King Plastic Corporation’s polymers with King MicroShield® are easy to clean, disinfect and keep hygienic using standard cleaning procedures. Constant use of cleaning solutions will not affect any King Plastic polymer produced with King MicroShield®.
Latest technology for protecting the product surface against a broad spectrum of damaging bacteria, algae and fungi by reducing the amount of microbes by 99.99%

Common Applications:
- Medical Facilities
- Nursing Homes
- Dental Labs
- Pharmaceutical Labs
- Commercial/Medical Laboratories
- Clean Rooms
- Cold Storage
- Outdoor Kitchens
- Correctional Facilities
- Veterinary Facilities
- Animal Science Facilities
- Rest Rooms
- Locker Rooms
- Pool Areas
- Schools
| King MicroShield® | Silver Based | Triclosan Based | |
|---|---|---|---|
| Common Names/Variants | King MicroShield® | AgION Alphasan A.M.Y. Fosshield Meryl Skinlife X-Static and others |
Amicor Biofresh Tinosan Rhovyl Microban Ultrafresh and others |
| Mode of Action | Physically ruptures the cell membrane | Releases ionic free radicals that react with cell DNA and disrupt the critical life processes in the cell | Releases toxic bischlorinated phenol (PBC) for consumption or cellular absorption, causing lethal mutations in the cell |
| Leaching: Bleeding onto the user, into the water, and into the environment |
Does not leach Does not Migrate |
Leaches for its mode of action. Must Leach to work. | Leaches for its mode of action. Must Leach to work. |
| Durability | Permanent | Service life 1-3 years | Service life 1-3 years |
| Cost | Economical | The cost of silver is high | Intermediate |
| Effectiveness | Broad spectrum on all known bacteria, fungi, algae, yeast and viruses | Action variable based on concentration and test or use conditions | Action variable based on concentration and test or use conditions |
| Adaptive Organisms | Does not to promote adaptive organisms (super bugs) | Can Create adaptive zones. Resistant species identified. | Can Create adaptive zones. Resistant species identified. |
| Log Reduction (1-6, 1 being the lowest, 6 being the highest) |
4 on 24 hour test & 2 hour test | 1-2 on a 24 hour test | 2 on a 24 hour test |
| Distribution | World wide | Varies by company | Not accepted or available in certain areas of the world |
Standard Sheet Sizes: (in)
48″ x 96″ | 54″ x 96″
King Plas-Bal® comes only is 1″ x 55.5″ x 144″
King StarBoard® ST comes only in 48″ x 96″
Standard Gauge: (in)
King StarBoard® – 1/4” | 3/8” | 1/2″ | 3/4” | 1” | 1-1/2”
King StarBoard® ST – 1/4” | 3/8” | 1/2″ | 3/4” | 1” | 1-1/2”
King StarBoard® AS – 1/2″ / | 3/4″ | 1″
King ColorCore® – 1/4″| 1/2″| 3/4″
King ColorBoard® 1/4″| 1/2″| 3/4″
King Plasti-Bal® – 1″
King KPC HDPE – | 1/16″ |1/8” | 3/16” | 1/4″ | 3/8” | 1/2” | 5/8” | 3/4” | 1” | 1-1/4” | 1-1/2”
Approximate Weight: (lbs) – 48″ x 96″
King StarBoard® – 40 lbs | 60 lbs | 80 lbs | 120 lbs | 160 lbs | 240 lbs
King StarBoard® ST-40 lbs | 60 lbs | 80 lbs | 120 lbs | 160 lbs | 240 lbs
King ColorCore® -40 lbs | 80 lbs | 120 lbs
King ColorBoard® – 40 lbs | 80 lbs | 120 lbs
King Plasti-Bal® – 270 lbs
King KPC HDPE – | 10 lbs |20 lbs | 30 lbs | 40 lbs | 60 lbs | 80 lbs | 100 lbs | 120 lbs | 160 lbs | 200 lbs | 240 lbs
Standard Sheet Sizes: (mm)
(1219mm x 2438mm) | (1371.6 mm x 2438mm)
King StarBoard® ST comes only in 1219mm x 2438mm
Standard Gauges: (mm)
King StarBoard® – 6.4mm | 9.53mm | 12.7mm | 19mm | 25.4mm |38mm
King StarBoard® ST – 6.4mm | 9.53mm | 12.7mm | 19mm | 25.4mm |38mm
King ColorCore® – 6.4mm | 12.7mm | 19mm
King ColorBoard® – 6.4mm | 12.7mm | 19mm
King Plasti_Bal® – 25.4mm
King KPC HDPE – 1.57mm | 3.18mm | 4.76mm | 6.35mm | 9.53mm | 12.7mm | 15.88mm | 19.05mm | 25.4mm | 31.75mm
| 38.1mm
Approximate Weight: (kg)
King StarBoard® – 18kg | 27kg | 36kg | 54.4kg | 72.6kg | 109kg
King StarBoard® ST- 18kg | 27kg | 36kg | 54.4kg | 72.6kg | 109kg
King ColorCore® – 18kg | 36kg | 54kg
King ColorBoard® – 18kg | 36kg | 54kg
King PlastiBal® – 112.5 kg
King KPC HDPE – 4.5 kg | 9kg | 13.6kg | 18kg | 26kg | 32kg | 45kg | 54.4kg | 72.5kg | 90.7kg | 109kg
Tolerance information: Gauges ± 5%, both width and length Plus Only at room temperature.
Custom sheets sizes, gauges, and colors available upon request
| Properties | Units | ASTM | StarBoard® STMS |
| Density | g/cc | D1505 | .96 |
| Tensile Strength @ Yield | psi | D638 | >4500 |
| Tensile Modulus | psi | D638 | 318,000 |
| Elongation @ Yield | % | D638 | 8.8 |
| Elongation @ Break | % | D638 | >600 |
| Flexural Modulus | psi | D790 | 225,000 |
| Flexural Stress @ 5% Strain | psi | D790 | 4,480 |
| Compressive Properties 10% Stain | psi | D695 | 4,790 |
| Durometer | Shore D | D2240 | 69 |
| Tensile Impact |
ft.lbs./in.2 | D1822 | 99 |
| Izod Impact Resistance | ft.lbs./in.2 | D256 | 1.4 |
| Brittleness Temp. | ºF | D746 | <-105º |
| Vicat Softening | ºF | D1525 | 270º |
| Heat Deflection Temp. 66 psi | ºF | D648 | 183º |
| Screw and Nail Withdrawl | lbs | D1761 | 755 & 55 |
| 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® STMS meets ASTM D4976/PE244




