JX JINXUAN CHEM

WJX-1012S-SQ — Heat-Seal Adhesive
for Hard & Soft Lid Stock

A water-dispersed modified PU/EVA/AMPO copolymer for medical packaging converters producing rigid and flexible lid stock: OPP, PET, PE, PP, PVC, PS, aluminum and aluminized films (closed-loop matrix compatible), transparent and printed films, plus Tyvek® and dialysis paper 60–80 g. Frame and full-surface coating supported.

Solids 50% Seal strength 4–5 N/15 mm Low-temp seal 100–120 °C EtO sterilization compatible 3-year shelf life MOQ 100 kg · 1 kg samples
Hard lid stock packaging sealed with WJX-1012S-SQ Medical packaging produced with WJX-1012S-SQ

Typical Technical Data

AppearanceCationic, milky white liquid
Solids content50%
pH4.6
Viscosity (25 °C)250 cps
Dry coat weight20 µm full-surface (process dependent)
Drying80–100 °C within 20 s (infrared)
Heat-seal conditions100–120 °C · 1.5 s · 1 MPa
Seal strength4–5 N/15 mm
Application120–200 mesh anilox roller coater
Packaging25 kg plastic drum
StorageSealed, dry, 5–30 °C · 36 months

Seal window note: contoured lid stocks pair with heavier coats; flat lid stocks run lighter coats — we help you set the window on your equipment.

Clean transfer: uniform coating strength, no fiber pull, no paper tear, no yellowing, excellent EtO sterilization compatibility.

A Materials Partner for Medical Packaging Converters

COA with every batch; SDS and technical documentation on request. Package-level validation (ISO 11607) is performed by the converter — we provide seal-parameter guidance and joint testing support during your runs.

Test WJX-1012S-SQ on your lid-stock line

1 kg samples ship fast — tell us your film structure and sealing equipment.

Request a Sample