Stock Code: 601869.SH / 06869.HK

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LARMOR®YP-037 Optical Fibre Primary Coating

LARMOR®YP-037 is an optical fibre primary coating, matched with UV-LED curing. This product has many advantages such as low micro-bending loss, being suitable for high drawing speed, low Helium consumption and low odor.
Liquid Coating Properties
Item Typical value Unit

Viscosity, 25°C

9900 mPa•s
Density 1.02 g•cm-3
Refractive index 1.476 n/a
Cured Coating Properties
Item Typical value Unit
Elongation* 73 %
Tensile strength* 0.60 MPa
Modulus, 2.5% strain* 1.50 MPa
Glass transition temperature -24.3 °C
Refractive index 1.490 n/a
95% cure dose 0.2 J•cm-2
Curing shrinkage 2.5 %
Thermal weight change at
200°C for 40min
4.5 %
Adhesion to glass 0.14 N/cm

 

*Cured film thickness 150μm, test temperature at 23±2°C, humidity at 50±5%

Storage Condition

LARMOR®YP-037 is a light curable material; protect this product from all sources of ultraviolet light, including fluorescent lighting and sunlight to prevent premature curing. It is recommended that this coating be stored in a dry place in unopened, undamaged, original containers at temperatures between 15° C and 30° C. Storage or shipment in cold conditions may result in a phase separation which is reversible and is corrected by heating for 24 hours at 50°C.

Shelf Life

LARMOR®YP-037 has a recommended shelf life of 12 months from the date of manufacture, provided that the above stated storage conditions are properly maintained.

Safety Information

This product may cause skin and/or eye irritation and skin sensitization. Material safety data sheet for all products is also available from your Polytech sales representative. All safety and handling recommendations should be followed carefully.

Filtration

LARMOR®YP-037 is manufactured using fine filtration techniques designed to eliminate fibre strength problems and ensure uniform product performance.

DMA Curve and Viscosity-temperature Curve

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