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YL-175B a bridging agent for PU


【 Product Description 】 It is an aromatic isocyanate resin


[Product characteristics] Fast drying, high gloss, good hardness, excellent adhesion, good storage stability


[Application] With the bridge curing of two-component polyurethane, it is used for PU synthetic leather bridge, textile flocking, Grete and other adhesive bridge, hot stamping glue bridge, ink fixing and so on.

【 Packing specification 】 Iron drum, net weight: 200KG/ drum; 20KG/5 gallon drum.

【Product Manual】download
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Project Technical Standard
Appearance Milky White Or Yellowish Transparent Liquid
Isocyanate (-NCO) Content /% 11.3±0.5
Solid Content /% 74±2
Viscosity (mPa.s, 25℃) 4500-8000
Chroma (Gardner Chroma) ≤1.0

Instructions for use


The combination formula of PU II liquid resin (with -OH group) and PU bridging agent is as follows :R NCO:OH ratio

PU bridging agent dosage = OH value of PU two-liquid resin/NCO value of PU bridging agent ×0.075 ×PU two-liquid resin dosage ×R

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