Rogers BISCO HT-840 Extra Firm Cellular Silicone foam, Density is 448 kg/m³
Product Description
HT-840 is a very Extra Firm of silicone foam, with its tear strength and tensile strength being higher than those of our lighter foam products.
Product Features
- Extra Firm cellular structure
- Flame retarding
- Anti-ultraviolet, anti-ozone
- Temperature resistance
- Excellent resistance to compression deformation and creep
Product Applications
As gaskets, seals or cushioning materials, they are used in key components such as automotive engines, electronic devices, and solar panels.
- Outdoor communication equipment
- Sealing of electronic components
- Buffer pad
Product Parameters
| Brand | Rogers |
| Series | BISCO |
| Model | HT-840 |
| Color | Gray |
| Hardness level | Extra Firm (In the same series, 820 is hard; 800 medium hardness; 870 Soft) |
| Adhesive | With or without |
| Material | Silicone |
| Total Thickness | 1.59mm ~ 6.35mm (0.063 ~ 0.250 inches) |
| Shape | Customization based on the provided CAD and PDF format drawings |
| Temperature range | -55 ~ 200℃ (-67 ~ 392℉) |
Performance Parameters
| PROPERTY | TEST METHOD | TYPICAL VALUE |
| Density, kg/m³ (lb./ft³) | Internal | 448 (28) |
| Compression Force Deflection, kPa (psi) | ASTM D1056 | 142 (20.6) |
| Compression Set, % | ASTM D1056 100°C (212°F) / 22 hrs / 50% | 1.8 |
| Water Absorption, % | Internal 2" below water surface / 24 hrs / change in weight | 0.5 |
| Thermal Conductivity, W/m °K | ASTM D518 | 0.09 |
| Low Temperature Flex | ASTM D1056 -55°C (-67°F) / 5 hrs | Pass |
| Low Temperature Brittleness | ASTM D746 -55°C (-67°F) / 3 min | Pass |
Product Display
Company Profile
SHENZHEN PUFENG PACKING MATERIAL CO.,LTD (PUFENG) is an international machining manufacturer, who is devoting to the precision die-cutting machining field, designing adhesive products, insulation products, sourcing the best solutions and improving the quality and performance of products for customer.
Our export products are diverse, including adhesive products, insulating products, foam and sponge, as well as other industrial raw materials. They are composed of multiple brands: 3M, Nitto, Sony, TESA, Teraoka, Bergquist, Rogers, INOAC, and our domestic brand, etc.
Welcome to come for consultation! We will do our best to solve all your connection problems and provide you with professional solutions and applicable products.
Our Services
- Your enquiries about our products will be answered within 12 hours.
- OEM or ODM projects are very welcome.
- We can die cut or design products according to your requirements (shock-proof, shading, etc.).
- Provide perfect after-sales service, if you have questions, please contact us.
- Pack according to your requirement and deliver on time.
Common Questions
How to order from Pufeng?
Just send us an email or call us.
Do you provide free samples for testing?
Yes, we provide samples free of charge.
How to deliver the goods?
We will advise you on the appropriate mode of transport, sea, air or express. Of course, if you have your own repeater, that's no problem.
Can we trust the quality of Pufeng products?
Of course, don't worry. Our quality will definitely match the samples we send. If not, we will be responsible.
What payment does Pufeng accept?
For small quantities, we require 100% TT payment in advance; Other conditions, negotiable.
What is the lead time of each order?
If the tape you ordered is in stock, we can deliver it within 1~3 days. If die cutting is required, delivery time shall be determined by quantity.
