Silicone Additives

HOWREN SILICONES offers a wide range of additives from various brands, including silicone additives, vulcanization accelerators, vlcanization accelerator, anti-yellowing additives, retarders, rubber additives and so on. By adding additives, the performance of silicone rubber and plastic products can be enhanced to meet specific functional requirements. With years of expertise in raw material supply, HOWREN SILICONES also independently develops various additives to meet specific customer needs in order to provide more flexible solutions.

Category

Brand

Product

Feature

 Silicone Additives

Internal Mold Release Agent

HOWREN SILICONES

100R

• Mixed with silicone rubber to improve mold release performance

MOMENTIVE

XE5178U

Reversion Stabilizer

MOMENTIVE

SE6910MO

• Can eliminate post cure of silicone rubber when using Bis (2,4-di-chlorobenzoyl) peroxide cure system

Flame Retardant Additive

WACKER

ELASTOSIL® AUX Batch SB 2

• Can improve the fire resistance of silicone rubber

FR-6BL

FR-6W

MOMENTIVE

SFR-100

Antibacterial Agent

HOWREN SILICONES

HR-BIOCIDE

• This antibacterial agent is specially used for the production of silicone rubber requiring an additional antibacterial property, which has a strong sterilizing and inhibiting effect on all bacteria and fungus (bactericidal rate > 99.99%)
•  No influence caused to the transparency or color of products

Foaming Agent

007-WUF-40 (Powder)

• Closed foaming additive specially used for silicone rubber foam molding
• Used as a lightweight filler in silicone rubber, thermoplastic plastics and other polymers
• Provides the effect of weight reduction and density lowering
• Exhibits good compression deformation with uniformly distributed and regular pore sizes

920-DU-120 (Powder)

930-DU-120 (Powder)

980-MB-120 (Powder)

WACKER

BTB2

MTB

HOWREN SILICONES

GS-B

Heat Stabilizer

WACKER

H0

• Heat stabilizer is added into silicone rubber compounds to increase the heat resistance of the product as well as prolong the service life of silicone elastomer
• Can be used for both peroxide vulcanization and addition curing products

H1

H2

H3

H4

H6

H6F

MOMENTIVE

SE-6916HA

Shrinking Agent

HOWREN SILICONES

HR-ADA7001

• Add into silicone rubber, product dimension can be shrunk by approximately 45μmm~120μmm depending on different dosage added after post curing complete

Radio Opaque Additive

WACKER

AUX8250-R0

• Designed for medical applications
• Complies with ISO 10993 and United States Pharmacopoeia (USP) Class VI

Vlcanization Accelerator

HOWREN SILICONES

HR-Q1

• Suitable for use with cross-linking agents to enhance the reaction rate and accelerating the vulcanization process
• Rapid vulcanization, can shorten the vulcanization time by about 25%~30%, reduce the vulcanization temperature and the amount of cross-linking agents

Platinum-cured Foaming Agent

KCC

SH0003A

• High transparency
• Non-yellowing
• No PCB curing

Fluorine Mold Release Agent

HOWREN SILICONES

MR-1

• Water-based fluorine release agent, no contamination causes to the mold
• Suitable for all kinds of rubber molding with good release performance

UV Photoinitiator

ELKEM

PHOTOINITIATOR-2074

• Can initiate polymerization reactions under UV or visible light exposure, allowing silicone materials to cure rapidly
• Helps reduce the energy consumption required for traditional heat curing and can minimize environmental impact.

Anti-yellowing Additives

HOWREN SILICONES

HR-ADH9202

• Primarily used together with cross-linking agent to prevent yellowing

Retarder

HOWREN SILICONES

HR-ADA9401

• Delays the cross-linking reaction time of silicone rubber

Mold Release Agent

HOWREN SILICONES

HR-ADA1201

• Semi-permanent silicone type mold release agent
• Excellent release properties
• Contains special silicone resin components that provide low surface energy
• Suitable for carbon fiber fabric materials, epoxy resins, various rubbers, reinforced plastics, and their composites

Silicone Remover

Chela

• Can dissolve cured silicone elastomer
• Can break the Si-O bond in the silicone molecule and dissolve the cured silicone polymer
• Can be used in engineering, construction process equipments, glazing, and electronic components and industrial electronics

Silicone Clay

HOWREN SILICONES

HR-9935A/B

• It can be shaped variously according to the user’s required shapes or molds, and can be mixed according to the ratio of different colors
• Products can be shaped and cured with or without heating
• Hardness and color can be customized according to customer’s demand
•The product is suitable for making toys and mold handles

Silicone Spray Ink

HOWREN SILICONES

GS-026

• Excellent adhesion with strong coloring ability
• Excellent weather resistance and chemical resistance
• Capable of protecting the printing on silicone rubber

 Adhesion Promoter

MOMENTIVE

XC 9603

• Use with HS4
• Can improve the adhesion of rubber and silicone coatings

Platinum Catalyst

MOMENTIVE

YC 6831

• Use with HS4

Anti-Abrasion Agent

HOWREN SILICONES

HR-ADA6001

• Can improve wear-resistance

HR-APA1101

Rubber Additives

HOWREN SILICONES

HR-ADA1001

• Can accelerate the softening and vulcanization process of EPDM, natural rubber, and synthetic rubber, and lubricate the rubber inside to improve mold release and processing plasticity