Name: Dow PAPI 135C Curing Agent
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Dow PAPI 135C Curing Agent

High-reactivity aromatic isocyanate based on polymeric MDI chemistry.
Optimized for fast demold times in rigid polyurethane foam and casting applications.
Excellent compatibility with common polyols, catalysts, and blowing agents.
Consistent batch-to-batch quality and low monomeric MDI content for improved handling safety.
Enables high dimensional stability and mechanical strength in cured systems.

Typical Applications Of Dow PAPI 135C Curing Agent

Rigid polyurethane insulation foams for refrigeration and building envelopes.
Reaction injection molding (RIM) and structural RIM (SRIM) components.
Casting elastomers for industrial rollers, mining screens, and wear parts.
High-performance adhesives and sealants requiring rapid green strength development.

Chemical Type	Polymeric diphenylmethane diisocyanate (pMDI)
Product Form	Liquid
Appearance	Clear to pale yellow, homogeneous liquid
Isocyanate Content (NCO %)	30.5–32.0 wt%
Viscosity at 25°C	150–250 mPa·s
Specific Gravity (25°C)	1.20–1.24
Monomeric MDI Content	<1.0 wt%
Primary Applications	Rigid PU foams, RIM, cast elastomers, structural adhesives

Get in Touch with ERICW

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Contact With Us:

E-mail: wangxingqiang@ericwchem.com
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15921782326
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China