SIL66BE-2880
Surfboard Laminating Resin
Technical Data Sheet
INTERPLASTIC CORPORATION
3535 Latonia Avenue
Fort Wright, KY 41015-0159
859.292.7400 Fax: 859.292.7424
www.interplastic.com
Silmar SIL66BE-2880 is an acrylic modified surfboard laminating resin. The resin has superior
UV resistance. It is low viscosity and contains Silmar s proprietary promoter package designed
for surfboard production. SIL66BE-2880 has an improved flex modulus.
In cured laminates the resin provides excellent color, superior yellowing resistance and
toughness. Fiberglass reinforced surfboards made with SIL66BE-2880 will exhibit enhanced
weathering with an attractive and durable finish.
TYPICAL RESIN PROPERTIES @ 77 F RESULTS
Brookfield Viscosity @ 20 rpm 400 600
Brookfield Spindle No. (RV) 2
Catalyst % DDM-9 on 100 grams 1.00
Gel Time min:sec 10:00 16:00
Gel to Peak min:sec 8:00 15:00
Peak Exotherm F ( C) 290 340 (143-1171)
Solids % 61.5 64.5
UV Test Positive
Revised: 04/2021
Interplastic corporation makes no warranties regarding any material and/or samples described in this report. All properties specified
above are approximate and may vary from material delivered. Delivered material complies with the certificate of analysis on each
shipment of product. Interplastic corporation makes no representations of fact regarding the material except those specified above.
Final determination of part or application and the suitability of the material for the use contemplated is the sole responsibility of the
buyer. Our technical sales representatives will assist in developing procedures to fit individual requirements as a customer
accommodation, but all advice is accepted at your risk and should be checked for suitability to your particular processes and needs.
These test data and properties are based on results obtained for a specific material under the specified test conditions – they are not to
be used as specifications and are not warranted as performance attributes for any product or system.