S3PS Optical cable terminal positioning glue coated heat shrinkable tube

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Heat shrink products for communication

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Size specification

Introduction
Cross-linked polyolefin heat shrinkable tube, coated with hot melt adhesive on the inner wall. It has good air tightness, resistance to temperature cycling, and resistance to chemical corrosion. The surface is covered with temperature-indicating paint to avoid excessive heating. It is suitable for the sealing protection of the incoming and outgoing wires of the cap-type optical cable joint box.

Features
Operating temperature: -55~110 ℃
Minimum full shrinkage temperature: 135 ℃
Shrink ratio: 3:1 & 4:1
Environmentally friendly，RoHS compliant
Colour: Black

Technical Data
Property	Test Method	Value
Heat shrink tube performance
Density	ASTM D792	1.0-1.1 g/cm3
Maximum use temperature	IEC 216	110 ℃
Longitudinal length change rate	ASTM D2671	±10%
Carbon black content	ISO 11358-1	2.60% ± 0.25%
Tensile Strength	ASTM D2671	≥17 MPa
Breakdown elongation	ASTM D2671	≥350%
Aging(150℃/168h) Tensile Strength Breakdown elongation	ASTM D2671	≥14 MPa ≥270%
Water absorption (23℃/24h)	ASTM D570	≤0.2%
Low temperature flexibility(-40℃/4h)	ASTM D2671	No cracks
Heat shock(200℃/4h)	ASTM D2671	No dripping and no flow (heat shrink tube)
Resistance to environmental stress cracking	ASTM D1693	No cracking
Dielectric strength	ASTM D2671	≥15 kV/mm
Volume resistivity	ASTM D2671	≥1.0×1014Ω·cm
Storage period (40℃/336 h)	--	Outer diameter or length change rate≤2%
Hot color dressing	--	The color-changing paint does not change color below 180℃, and the color-changing paint finishes changing color at 250℃
Hot melt adhesive performance
Softening Point	GB/T 15332.94	≥115 ℃
Viscosity	HG/T 3660-1999	≥50000mPa·S
Environmental stress cracking	Hot melt adhesive is a cracking agent(50±2)℃，48h	The sheath material sample does not crack
Corrosion to copper, aluminum and steel	120℃±2℃，16h	No corrosion
Overall performance
Air tightness	YD/T 814： 1、Pressure loss: the inflation pressure in the joint box (100±5) kPa, keep it for 24 hours; 2、Air tightness: temperature: (23±3)℃, inflation pressure in the joint box (100±5) kPa, the product is just immersed below the water surface for 15 minutes	No bubbles were observed during the test or the air pressure remained unchanged after 24 hours.
Temperature cycle	YD/T 814： 1、Test conditions: Above ground type -40℃ to 65℃; connector box inflation (60±5)kpa; underground type -25 to 60℃; connector box inflation (60±5)kpa; 2、Raise to high temperature at a temperature change rate of 1℃/min for 2h; reduce to room temperature and keep for 2h; reduce to low temperature and keep for 2h; finally raise to room temperature and keep for 2h; 3、A total of 10 cycles.	After the test, the air pressure does not drop by more than 5kPa; the air tightness test is passed.
Chemical resistance	YD/T 814：1、Dome closure inflation （60±5）kpa； 2、Immerse the samples in 5%HCL, 5%NaOH, and 5%NaCL respectively; 3、Soaking time in each solvent is 24h	1、Pass air tightness and pressure loss test（100 kPa）； 2、Visually inspect the sample for no damage.

Dimension
Size	As supplied(mm)	After shrink (mm)		Standard length
S3PS	Diameter	Diameter(Max.)	W T	m
28/6	28	6	3.0	150/180/200
30/10	30	10	3.0	150/180/200
40/10	40	10	3.7	150/180/200
65/20	65	20	3.6	150/180/200
75/22	75	22	3.7	150/180/200
85/25	85	25	3.8	150/180/200
35/10	35	10	3.0	150/180/200
75/20	75	20	3.7	150/180/200