H.B. Fuller PHOTOCAP® 6048

H.B. Fuller PHOTOCAP® 6048 is a thermoplastic, non-EVA-based encapsulating film designed for use in thin film modules.  It has a low MVTR (moisture vapor transmission rate), a short lamination cycle, and good creep resistance with proven longevity in the field.

Polymer Name: Polyolefin Elastomer

Processing Methods: Encapsulating

Physical Form: Film

Tensile Strength: 9.0 - 9.0 MPa

Technical Data Sheet
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Identification & Functionality

Chemical Family
Product Type

Features & Benefits

Applications & Uses

Plastics & Elastomers End Uses
Plastics & Elastomers Processing Methods
Typical Applications

PHOTOCAP® 6048 is typically used in thin film module constructions to protect the device against moisture ingress.

Lamination Instructions
  • Platen temperature: 140 - 150°C
  • Evacuation Time: 180 - 300 seconds
  • Cure Time: 300 - 360 seconds


Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Tensile Strength9.0MPaASTM D638
Ultimate Elongation750.0%ASTM D638
Adhesion (Glass)min. 100N/cmHBF
Moisture Vapor Transmission Ratemax. 7g/m²/24 hrsAFTM F1249
Water Absorptionmax. 0.1wt.%ASTM D570
Optical Transmissionmin. 87%ASTM E424
UV Cut-off360.0nmASTM E424
Shrinkagemax. 5%IEC 62788
Volume Resistivitymin. 1 x 10¹⁶Ohm cmASTM D257
Dielectric Strengthmin. 30KV/mmASTM D149
Comparative Tracking Index600.0VIEC 60112

Regulatory & Compliance

Regulatory Information

PHOTOCAP 6048 is in the process of being UL listed. This product is in category QIHE2 Photovoltaic Polymeric Materials, H.B. Fuller file number E310488.

Safety & Health

Safety Information

Avoid contact with skin and eyes. Product will irritate eyes if contact occurs. Skin irritation is possible on prolonged or repeated contact.

Packaging & Availability

Regional Availability
  • Africa
  • Europe (Excluding Russia)
  • India
  • Latin America
  • Middle East
  • North America

Storage & Handling

Storage Conditions

Clean and dry conditions below 40°C and 70% RH. For best performance, the product should be stored and used at 65°F – 85°F. Do not freeze.