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Uncoated Abrasive Belt Splicing Tapes
Splicing Tapes - Product Bulletin - PB206
Splicing Tapes

Uncoated tapes are pre-primed to obtain maximum bond strength when using a thermosetting adhesive. The standard products consist of polyester film reinforced with polyester yarns. Below is listed our standard product line with suggested applications.

T1930 T1880 T1882 T1884 T1886 T1878
Yellow Red White New Blue Green Woven
Paper Fine Grit J & X Wt. Paper/Poly 120 grit and finer 120 grit to 60 grit 100-40 grit high flex 60 Grit and coarser Non-Woven Abrasives
Tape Thickness Tensile Strength Application Notes
Part Number Metric English Metric N/cm. English lbs./in.
T1930 0.051 mm 0.002" 200 N/cm. 115 lbs./in. ultra thin, replace lap, J-Weight
T1880 0.081 mm 0.0032" 325 N/cm. 185 lbs./in. thin, versatile, highest flex
T1882 0.122 mm 0.0048" 455 N/cm. 260 lbs./in. most versatile, strength & flex
T1884 0.170 mm 0.0067" 615 N/cm. 340 lbs./in. High flex and tensile, uniform thickness.
T1886 0.234 mm 0.0088” 650 N/cm. 3380 lbs./in. Strong abrasion and hinge resistant
T1878 0.140 mm 0.0055" 440 N/cm. 250 lbs./in. Air tools, surface conditioning

Standard Bias Angle: 55°, 67°, 75°

Standard Roll Widths: 19 mm and 25 mm

Standard Roll Lengths: 100 meter, 200 meter available

NOTE: 1. Please consult Customer Support for complete details about our products.

BELT MAKING PROCEDURE
SPLICE PREPARATION

1. Cut belts to desired angle.

2. Abrade ends with wire brush, sandblast, etc.

3. Apply adhesive to both belt ends and the yarn side of the splicing tape.

SUGGESTED ADHESIVE PREPARATION RECOMMENDED COATING GAP PRESSING
Adhesive Formulation Weight Volume
Resin: Sheldahl A0455/A0651 100 parts by weight at 20% solids 100 volumes
Curing Agent: Desmodur® RE or RFE 9-11 parts by weights 8 - 10 volumes
RECOMMENDED COATING GAP
T1880, T1882, T1878 300-400 microns plus tape thickness
ST1884 and ST1886 550-650 microns plus tape thickness
Allow adhesive to dry at room temperature for 20-40 minutes
PRESSING

Place pre-tacked belt in bonding press with a release sheet/press pad configuration to prevent bonding to the heated bars. Suggested Press Cycle

Metric English
Temperature: 40°C to 60°C 104°F to 140°F
Pressure: 140 to 210 KG/sq. cm. 2000 to 3000 PSI
Time: 10 seconds 10 seconds

Adhesive open time is dependent upon coating thickness, press temperature and room environment.

ADHESIVE/CURING AGENT OR HARDNERS

Sheldahl A455 or A651 and Desmodur® RE or RFE Desmodur® is a registered trademark of Bayer AG.

Product data is for information only and may vary dependent on individual products and processes. Sheldahl does not guarantee, or will it accept obligation or liability based on the use of this data. All data subject to change without notice.