Product DescriptionW-SPTFE 1.7:1 4:1 PTFE Heat Shrinkable
TubingPTFE heat shrinkable tubing is made of PTFE with
high-temperature performance, chemical resistance, high insulation
and excellentmechanical properties. Designed to provide insulation
and mechanical protection in severe chemical and thermal
environments.Widely used in electronic, aerospace, military and
communication fields. Used to cover hydraulic hose and couplings to
preventcontamination and corrosion. The high mechanical strength
and ex tremely low coefficient of friction make it good for
reducingdamage to bearing shafts and similar applications.*
Operating temperature: -67ºC ~ 260ºC* Minimum fully recovery
temperature: 350ºC* Standard color: Clear* Shrink ratio 1.7:1 4:1*
Excellent flammability * High temperature resistant to 260ºC*
Excellent physical properties and chemical resistance* RoHS and
REACH compliant PropertyRequirementTest methodTypical data
Longitudinal shrinkage ≤10% ASTM D 2671 ≤5% Tensile strength ≥17.3
MPa ASTM D 2671 ≥ 22MPa Elongation at break ≥200% ASTM D 2671 ≥300%
Dielectric voltage withstand 2500V,60sec, no breakdown ASTM D 2671
pass Volume resistivity 1015Ω·cm min. ASTM D 876 1016Ω·cm Corrosion
No corrosion ASTM D 2671 No corrosion Flammability VW-1 UL224 pass
Dielectric constant 2.1 Friction coefficient
0.1 SizeID as suppliedID After shrinkedWall after
shrinked 1.7:1 φ0.5 0.7±0.2 ≤0.30 0.15±0.05 φ1.0 1.0±0.2 ≤0.60
0.15±0.05 φ1.5 1.5±0.2 ≤0.90 0.15±0.05 φ2.0 2.0±0.2 ≤1.30 0.15±0.05
φ2.5 2.5±0.2 ≤1.50 0.15±0.05 φ3.0 3.0±0.2 ≤1.80 0.20±0.05 φ3.5
3.5±0.2 ≤2.0 0.20±0.05 φ3.8 3.8±0.2 ≤2.2 0.20±0.05 φ4.0 4.0±0.3
≤2.5 0.20±0.05 φ4.5 4.5±0.3 ≤2.7 0.20±0.05 φ5.0 5.0±0.3 ≤3.0
0.20±0.05 φ6.0 6.0±0.3 ≤3.6 0.25±0.05 φ6.5 6.5±0.3 ≤4.0 0.25±0.05
φ7.0 7.0±0.3 ≤4.2 0.25±0.05 φ8.0 8.0±0.3 ≤4.8 0.25±0.05 φ9.0
9.0±0.3 ≤5.3 0.25±0.05 φ10.0 10.0±0.2 ≤5.8 0.25±0.05 φ11.0 11±0.2
≤6.8 0.25±0.05 φ12 12±0.2 ≤7.1 0.35±0.05 φ14 14.0±0.3 ≤8.2
0.35±0.05 φ15 15±0.3 ≤15 0.35±0.05 φ16 16±0.3 ≤9.4 0.35±0.05 φ17
17±0.3 ≤10 0.35±0.05 φ18 18±0.3 ≤10.5 0.35±0.05 φ19 19±0.3 ≤11.2
0.35±0.05 φ20 20±0.3 ≤11.8 0.35±0.05 φ21 21±0.3 ≤12.3 0.35±0.05 φ22
22±0.3 ≤12.6 0.35±0.05 4:1 φ2.5 2.5±0.2 ≤0.7 0.15±0.1 φ3.2 3.0±0.2
≤0.8 0.15±0.1 φ4.0 4.0±0.2 ≤1 0.15±0.1 φ5.0 5.0±0.2 ≤1.2 0.15±0.1
φ6.0 6.0±0.2 ≤1.5 0.15±0.1 φ7.0 7.0±0.2 ≤1.8 0.2±0.1 φ8.0 8.0±0.3
≤2 0.2±0.1 Certifications Packaging & Shipping Company
ProfileShanghai Wellco International Limited is a professional Team
with 18years experience for R & D, production, sales of special
heat shrink Tube and other radiation crosslinking materials
manufacturers. We concentrate on to providing all kinds of products
and solution for Insulation,Connection,Waterproof, high temperature
,Chemical resistant ,EMI and mechanical protection for the wire and
cable .The company has strong technical force with 20 years
experience and advanced production equipment. We can supply (such
as modified PE, PVDF, FEP, EPDM, Silicone, FKM, FEP, PTFE Etc
materials)heat shrink tube and insulation tube. The products are
widely used in the fields of electronic communication, automobile,
high-speed rail, electric motor, aviation, medical and other
fields, such as insulation, water-proof, electrostatic shielding,
oil-resistant, chemical and high-temperature resistant Protection,
etc. Our products have passed UL certification ,RoHS ,REACH.We also
can produce customized products or develop products with special
requirements according to customer requirements, and we carry out
our production according to ISO9001 and IATF16949 quality
management system standards to ensure the stability and reliability
of product quality. FAQ1. who are we?We are based in
Shanghai, China, start from 2017,sell to North
America(20.00%),South Asia(20.00%),Southeast Asia(15.00%),Western
Europe(15.00%),South America(5.00%),Eastern Europe(5.00%),Mid
East(5.00%),Northern Europe(5.00%),Eastern Asia(3.00%),Domestic
Market(3.00%),Southern Europe(2.00%),Africa(00.00%),Central
America(00.00%). There are total about 5-10 people in our office.2.
how can we guarantee quality?Always a pre-production sample before
mass production;Always final Inspection before shipment;3.what can
you buy from us?Heat Shrink Tube/Heat Shrink Mould Part/Marking
Sleeve/Cold Shrink Tube4. why should you buy from us not from other
suppliers?Shanghai Wellco International Limited is a professional R
& D, production, sales of special heat shrink Tube and other
radiation crosslinking insulation materials manufacturers And the
founder have the experience for the insulation more than 20years5.
what services can we provide?Accepted Delivery Terms:
FOB,CFR,CIF,EXW,CIP,FCA,DDP,DDU,Express Delivery;Accepted Payment
Currency:USD,EUR,CNY;Accepted Payment Type:
T/T,L/C,MoneyGram,PayPal,Western Union;Language
Spoken:English,Chinese, J
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