| HS Code | 643462 |
| Manufacturer | 3M |
| Product Number | 8421 |
| Product Name | 3M 8421 Polyester Tape |
| Backing Material | Polyester Film |
| Adhesive Type | Silicone |
| Color | Green |
| Total Thickness | 2.5 mil (0.064 mm) |
| Adhesion To Steel | 25 oz/in (2.7 N/cm) |
| Tensile Strength | 25 lb/in (44 N/10 mm) |
| Elongation At Break | 100% |
| Dielectric Strength | 5,000 V |
| Operating Temperature Range | -60°F to 400°F (-51°C to 204°C) |
| Core Size | 3 in |
| Standard Length | 72 yd (66 m) |
| Shelf Life | 24 months |
As an accredited 3M 8421 Polyester Tape factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Typically, each carton contains 36 rolls of 3M 8421 Polyester Tape, individually wrapped and packed in cardboard boxes. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): palletized 3M 8421 Polyester Tape rolls, dry ambient conditions, securely braced; no dangerous goods. |
| Shipping | 3M 8421 Polyester Tape is not regulated for transport and is non-hazardous. It has no UN number, hazard class, or packing group. Ship as general cargo in original sealed packaging. Protect from moisture, heat, and direct sunlight; follow carrier and local regulations. No dangerous goods documentation is required. |
| Storage | Store 3M 8421 Polyester Tape in its original packaging in a cool, dry, well-ventilated area. Keep away from direct sunlight, heat sources, moisture, dust, and incompatible chemicals. Maintain moderate temperatures, ideally 15–30°C, and avoid freezing or excessive humidity. Keep containers sealed and labeled. Rotate stock and use oldest first to preserve adhesive performance. Do not stack heavy items on rolls. |
| Shelf Life | Shelf life is 24 months from manufacture when stored at 21°C (70°F) and 50% relative humidity in original packaging. |
Competitive 3M 8421 Polyester Tape prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8618136850665 or mail to admin@ascent-chem.com.
We will respond to you as soon as possible.
Tel: +8618136850665
Email: admin@ascent-chem.com
Flexible payment, competitive price, premium service - Inquire now!
