HENGYANG ZK INDUSTRIAL CO., LTD
Verified Supplier
5 Years
hunan, hengyang
Since 2012
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Cold Shrink Tube
EPDM Cold Shrink Tube
Silicone Cold Shrink Tube
Cold Shrink Cable Accessories
Cold Shrink Termination
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Spiral Winding Machine
Core Strip
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Supplier Homepage > Products

PRODUCT CATEGORIES

Cold Shrink Tube

 (83)

EPDM Cold Shrink Tube

 (95)

Silicone Cold Shrink Tube

 (67)

Cold Shrink Cable Accessories

 (104)

Cold Shrink Termination

 (44)

Cable Breakout

 (33)

Protective Sleeve

 (15)

Expanding Machine

 (16)

Spiral Winding Machine

 (19)

Core Strip

 (65)

Splicing Tape

 (28)

Waterproof Tape

 (18)

Insulation Tape

 (26)

Electrical Tape

 (16)

Why Can We Always Ensure Excellent Quality

Quality Control

ISO9001:2015

HENGYANG ZK INDUSTRIAL CO., LTD

CTF/CTQ Controlling Points Sheet for cold shrink products

CTF (Critical to Function)

NO Item Required Controlling Points
1 Elongation ≥670% Sampling test for each lot of material
2 Tensile strength ≥7.16Mpa Sampling test for each lot of material
3 Tear Strength ≥35KN/m Sampling test for each lot of material
4 Waterproof rating IPX7 Sampling test for each lot of material

CTQ (Critical to Quality)

NO Item Required Controlling Points
1 Expanded Inner diameter L±3mm Inspection per each lot during first tour and final inspection according to method of MIL-STD-105E, LEVEIL, AQL=0.65.
2 Expanded Outer diameter OD±4mm Inspection per each lot during first tour and final inspection according to method of MIL-STD-105E, LEVEIL, AQL=0.65.
3 Expanded tube length L±10mm 100% Inspection by comparing with standard sample
4 Recovered tube length L±5mm 100% Inspection by comparing with standard sample
5 Recovered wall thickness T±0.6mm Inspection per each lot during first tour and final Inspection
6 Elongation ≥670% Sample 5 pcs for each lot
7 Tensile strength ≥7.16Mpa Sample 5 pcs for each lot
8 Tear Strength ≥35KN/m Sample 5 pcs for each lot
9 Waterproof rating IPX7 Sample pcs for each lot

Certification

HENGYANG ZK INDUSTRIAL CO., LTD Certifications
Standard: CE for winding machine
HENGYANG ZK INDUSTRIAL CO., LTD Certifications
Standard: SGS For Plastic Strip
HENGYANG ZK INDUSTRIAL CO., LTD Certifications
Standard: SGS For Silicone Tube
HENGYANG ZK INDUSTRIAL CO., LTD Certifications
Standard: SGS For EPDM Sleeve
HENGYANG ZK INDUSTRIAL CO., LTD Certifications
Standard: CE for expanding machine
HENGYANG ZK INDUSTRIAL CO., LTD Certifications
Standard: CE for extrusion line
HENGYANG ZK INDUSTRIAL CO., LTD Certifications
Standard: ISO9001
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