AFTC 8502P
AFTC 8502P is a 0.009″ thick, double-sided closed cell acrylic foam tape designed to be virtually invisible in service, recommended specifically for applications where the bond must not be visible. The thin adhesive film provides good adhesive performance on a variety of molded parts and enables the use of lightweight, thin, and small materials in many shapes and sizes. It delivers dynamic shear strength of 86 lb/in², tensile strength of 108 lb/in², and 90° peel adhesion of 15 lb/in, with a temperature range of -40°F to 212°F long-term and 320°F short-term, and excellent UV, aging, solvent, and high temperature resistance from +100°C to +160°C.
Key Properties
- 90° Peel Adhesion: 15 lb/in (ASTM D3330)
- Dynamic Shear Strength: 86 lb/in² (ASTM D1002)
- Tensile Strength: 108 lb/in² (ASTM D897)
- Temperature Resistance: -40°F min / 212°F long-term / 320°F short-term
- Carrier / Liner: Uncoated acrylic foam core / Paper liner
- Total Tape Thickness: 0.009″ ±15%
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- Specifications
- Applications
- General Info
- FAQs
Physical Properties
| Property | Value | Test Method |
| Thickness | 0.009″ ±15% | — |
| Color | Clear | — |
| Material / Substrate | Uncoated Acrylic Foam | — |
| Core | Acrylic Adhesive Foam Core | — |
| Adhesive Type | Closed Cell Acrylic | — |
| Adhesive System | Permanent Adhesive | — |
| Adhesive Side | Double Sided Adhesive | — |
| Liner | Paper liner | — |
| Density | 52 lb/ft³ | — |
| Cell Structure | Closed Cell | — |
Adhesion Properties
| Property | Value | Test Method |
| 90° Peel Adhesion | 15 lb/in | ASTM D3330 |
| Dynamic Shear Strength | 86 lb/in² | ASTM D1002 |
| Tensile Strength | 108 lb/in² | ASTM D897 |
| Static Shear Strength @ 72°F | 1,000 grams* | ASTM 3654 |
| Static Shear Strength @ 150°F | 500 grams* | ASTM 3654 |
| Static Shear Strength @ 200°F | 500 grams* | ASTM 3654 |
*Weight that 1/2 square inch will hold 10,000 minutes (7 days).
Thermal Properties
| Property | Value | Test Method |
| Minimum Temperature Resistance | -40°F | — |
| Short-Term Temperature Resistance | 320°F | — |
| Long-Term Temperature Resistance | 212°F | — |
| Recommended Application Temperature | Minimum 59°F | — |
Environmental Performance
| Property | Value | Test Method |
| UV Resistance | Excellent | — |
| Solvent Resistance | Excellent | — |
Shelf Life / Storage
| Property | Value | Test Method |
| Shelf Life | 18 months | — |
| Recommended Storage Conditions | Store in its original package and in a dry place between 39.2°F and 100.4°F | — |
- Invisible bonding of glass and glass/epoxy panels where the tape bond must not be visible in the finished assembly
- Attachment of lightweight, thin, and small molded plastic parts to glass, metal, or aluminum substrates where tape visibility would be unacceptable
- Bonding of coated and anodized aluminum components in aesthetic or display applications requiring a virtually invisible tape line
- High-temperature bonding applications on stainless steel and galvanized steel requiring performance from +100°C to +160°C (+212°F to +320°F)
- Ultra-thin-profile structural bonding where any bondline thickness would compromise fit, clearance, or visual appearance
Common industries: Display fabrication, consumer electronics assembly, automotive glazing, architectural glazing, precision industrial assembly.
AFTC 8502P is an ultra-thin, 0.009″ double-sided acrylic foam tape in a class of its own — designed primarily for invisibility in the finished assembly. The TDS explicitly recommends this grade for situations where the bond needs to be invisible, and describes the series as virtually invisible in many situations.
The thin adhesive film allows good performance on molded parts and enables bonding of lightweight, thin, and small components in a wide range of shapes and sizes across glass, glass/epoxy, stainless steel, galvanized steel, anodized aluminum, and coated aluminum substrates.
The acrylic adhesive foam core is closed cell and carries a permanent adhesive system on both faces, protected by a paper liner — distinguishing it from the red PE liner used on most other AFTC series.
At 0.009″ (±15%), AFTC 8502P delivers the highest tensile strength in this set at 108 lb/in² and strong dynamic shear at 86 lb/in², consistent with the behavior of thinner acrylic foam grades. The TDS calls out excellent UV resistance, aging resistance, solvent resistance, and high temperature resistance from +100°C to +160°C (+212°F to +320°F) as key performance features.
Static shear strength is 1,000 grams per 1/2 square inch held for 10,000 minutes (7 days) at 72°F, and 500 grams at 150°F and 200°F. A minimum bond-line pressure of 14.5 psi must be applied in a rolling fashion. Full end-strength is reached within 72 hours; use of H-O Products Primer 33 or Primer 101 reduces this to approximately 20 minutes. Minimum recommended application temperature is 59°F.
What differentiates AFTC 8502P from other thin clear AFTC grades?
AFTC 8502P is the thinnest tape in this project at 0.009" (±15%) and is explicitly designed for invisibility — the TDS states it is virtually invisible in many situations and recommends it specifically where the bond must not be visible. It uses a paper liner (vs. red PE liner on most other AFTC grades), has a density of 52 lb/ft³, and delivers 108 lb/in² tensile strength — the highest in this set. Its design intent, ultra-thin profile, paper liner, and invisible-bond application focus distinguish it from all other series.
Why is peel adhesion important for an ultra-thin invisible bonding tape?
In invisible bonding applications, the tape is often used on glass, transparent plastics, or finished surfaces where any edge lifting or delamination would immediately become visible. Peel adhesion determines whether the tape maintains continuous contact at the bond edges — where lifting is most likely to initiate. AFTC 8502P delivers 15 lb/in at 90° peel, providing the edge retention required to keep the bond line flat and undetectable in service. Loss of peel adhesion in this context results not only in structural failure but in visible cosmetic defects.
What is the operating temperature range for AFTC 8502P?
AFTC 8502P has a minimum temperature resistance of -40°F, a long-term temperature resistance of 212°F, and a short-term temperature resistance of 320°F, as listed on the TDS. The TDS also identifies excellent high temperature resistance from +100°C to +160°C (+212°F to +320°F) as a key product feature.
Is AFTC 8502P suitable for UV-exposed or high-temperature environments?
Yes. The TDS identifies excellent UV resistance, aging resistance, solvent resistance, and high temperature resistance from +100°C to +160°C as key features of AFTC 8502P. No specific regulatory compliance standards are stated on the TDS.
How should AFTC 8502P be specified?
Specify grade (AFTC 8502P), thickness (0.009"), color (clear), compliance requirements, dimensional tolerances, adhesive side (double), liner type (paper liner), and finished format.
