Product Category / Silicone Additives

Silicone Additives, Resins & RTV Crosslinkers

22 silicone-system SKUs across five chemistry families — PDMS and silicone-emulsion defoamers, polyether-silicone leveling and wetting additives (BYK-306 / BYK-333 / TEGO Glide drop-in equivalents), silicone-modified alkyd and polyester resin intermediates, three RTV-1 crosslinker chemistries (acetoxy / alkoxy / oxime), and pre-formulated silicone PSA, release, RTV-2 and slip compound systems. Sourced from Chinese supply chain at 25 kg MOQ, 2–4 week lead time.

Silicone Defoamers

PDMS-based and silicone-emulsion defoamers for waterborne, solvent-borne, and high-shear coating systems. Silicone-free polyether grade for fish-eye-sensitive automotive clear coats and food-contact regulated formulations where any silicone contamination is unacceptable.

Silicone Defoamer DF-120

CAS 63148-62-9

Silicone defoamer DF-120 for waterborne coatings and latex paints. Effective foam knockdown and prevention.

Silicone Emulsion Defoamer SE-600

Silicone Emulsion Defoamer SE-600 is a 30% silicone emulsion for waterborne architectural paints, delivering fast foam knockdown at 0.1–0.5%…

Silicone-Free Polyether Defoamer SFD-30

Silicone-free polyether defoamer for adhesives and sealants. Eliminates foam without silicone contamination risk. Effective at 0.2–1.0% addi…

Silicone Leveling & Wetting Additives

Polyether-modified silicone surface additives that reduce surface tension and Bénard-cell formation — direct BYK-306, BYK-333, TEGO Glide 450 functional alternatives. Silicone-acrylate leveling for solvent and UV systems; polyether-silicone wetting agents for low-energy plastic substrate adhesion.

Silicone-Acrylate Copolymer Leveling SAL-30

Silicone-acrylate block copolymer leveling additive for waterborne and UV coatings. Superior substrate wetting, inter-coat adhesion, zero fi…

Silicone Leveling Agent SL-50

CAS 63148-62-9

Pure PDMS leveling agent (1000 cSt) for solventborne coatings. Delivers excellent flow, leveling, and gloss in industrial and automotive fin…

Silicone-Polyether Wetting Agent SW-67

Silicone-polyether wetting agent SW-67 — dynamic surface tension reduction to ~22 mN/m for waterborne coatings, wood stains and fountain sol…

BYK-306 Silicone Surface Additive

CAS 67674-67-3

BYK-306 silicone surface additive for waterborne and solvent-based systems. Improves substrate wetting and film leveling.

BYK-333 Polyether-Modified Silicone

CAS 68937-54-2

BYK-333 polyether-modified silicone for overprint varnishes and UV coatings. Excellent leveling in silicone-incompatible resin systems.

Silicone Resin Intermediates & Hybrids

Silicone-modified alkyd and polyester binders for heat-resistant, weatherable coil and industrial coatings. Pure silicone resin intermediate (MQ-type) for high-temperature varnish systems. Silyl-modified polymer (MS-hybrid) — combines silicone flexibility with isocyanate-free curing chemistry for next-generation construction sealants.

Silicone-Modified Alkyd Resin SA-35

Silicone-modified alkyd resin SA-35, 30–35% silicone, heat resistant to 200°C for high-temperature industrial coatings, exhaust systems, and…

Silicone-Modified Polyester Resin SP-50

CAS 68083-14-7

30% silicone-modified polyester resin for coil coatings and exterior durable topcoats. Excellent UV and weather resistance.

Silicone Intermediate Resin SI-100 (MQ-type)

MQ-type silicone intermediate resin SI-100, 60% in toluene, for release coatings, PSA modification, and high-temperature hydrophobic coating…

Silicone-MS Hybrid Polymer SMH-30

Silane-terminated polysiloxane-polyether hybrid polymer for paintable hybrid sealants. Fast cure, low modulus, strong adhesion to porous and…

RTV-1 Silicone Crosslinkers

Three crosslinker chemistries for one-part room-temperature-vulcanising silicone sealants — acetoxy (fast cure, acid release, glass / metal compatibility), alkoxy (neutral cure, plastic / sensitive substrate safe), oxime (fast neutral cure with methyl ethyl ketoxime release).

Acetoxy Silicone Crosslinker SCA-100

CAS 4253-34-3

Acetoxysilane crosslinker for RTV-1 acetic-cure silicone sealants. Delivers fast cure, excellent adhesion to glass and metal. Typical use 5–…

Alkoxy Silicone Crosslinker SCAL-50

Low-odor alkoxy silicone crosslinker for RTV-1 sealants. Methanol by-product cure system with excellent deep-section cure and broad polymer …

Oxime Silicone Crosslinker SCOX-200

CAS 22984-54-9

Neutral-cure oxime crosslinker for RTV-1 silicone sealants. No acid by-products; ideal for sensitive substrates. 95% active, suitable for el…

Silicone PSA, Release, RTV-2 & Specialty

Pre-formulated silicone systems — pressure-sensitive adhesive (PSA) and DT (de-tackifier) resin for high-temperature labels and tapes, release emulsion and varnish for paper and film, two-part RTV-2 base + crosslinker for moulding and casting, silicone slip compound for surface friction control.

Silicone PSA MQ-Resin Blend

CAS 63148-62-9

Silicone pressure-sensitive adhesive based on PDMS-MQ resin blend for high-temperature masking tapes and automotive applications.

Silicone PSA DT-Resin for High-Temp Applications

Diphenyl silicone MQ resin blend for high-temperature PSA tapes. Service temp to 260°C, peel >5 N/25mm at 200°C. Ideal for electronics assem…

Silicone Release Emulsion SY-6750

CAS 63148-62-9

Emulsion silicone release system SY-6750 for release paper and film. Adjustable release force, moisture-free cure by thermal-anionic mechani…

UV-Curable Silicone Release Varnish SRV-200

100% solids UV silicone release varnish SRV-200 for liner, label, and medical release films. Low release force 5–20 g/25mm, fast cure <50 m/…

RTV-2 Silicone Base Component A (High Strength)

CAS 63148-62-9

High-strength RTV-2 silicone base for 2K platinum-cure or tin-cure sealants, potting compounds, and mold-making.

Silicone RTV-2 Crosslinker Component B

Silicone RTV-2 crosslinker component B. Alkyl silicate + tin catalyst, mix ratio 10:1 or 5:1. For mold-making, potting, encapsulation, and g…

Silicone Slip Compound SSC-10

CAS 63148-62-9

PDMS-based silicone slip compound for printing inks. Improves slip, scuff resistance and release on flexible packaging. Compatible with flex…

Need TDS, sample, or silicone formulation support?

Coatingsink technical team provides silicone additive selection (BYK / TEGO equivalents), RTV crosslinker matching for sealant chemistry, and PSA / release formulation guidance. Samples from 100 mL on request.

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