Why do bubbles form after adding the curing agent?

This is a normal physical phenomenon where mixing creates bubbles. You must use vacuum exhaust treatment to remove them.

Non-Toxic, High-Heat Resistant Mold Making Silicone S820 for Mould Casting Duplication

Name: Non-Toxic, High-Heat Resistant Mold Making Silicone S820 for Mould Casting Duplication
Brand: GUANGZHOU OTT NEW MATERIALS CO., LTD.
SKU: 2151757875

Guangdong, ChinaGUANGZHOU OTT NEW MATERIALS CO., LTD.

US$8.55

1-2,999 kg

US$6.99

3,000+ kg

Sample price:US$8.00/kg.Request sample

Product profile

Customization

Available

Raw Material

Natural Rubber

Material

Silicone Rubber

Model NO.

OTT-J825

Appearance

Mold Making

Form

Liquid Rubber

Trade Term

EXW/CNF/CIF/Fob/DDU

Business Type

Factory Direct Sale

Hardness

0-60 Shorea

Shelf Life

12-18 Months

Transport Package

Plywood Pallet

Specification

5kg, 20kg, 25kg, 200kg, 1000kg drum

Trademark

OTT

Origin

Guangzhou, China

HS Code

391000

Production Capacity

6000tons Per Month

Key features

Food Grade Non-Toxic: Safe for making food molds like chocolate, soap, and cake.

High Duplication Times: Supports 50-1000 uses depending on product size.

Fast Delivery: Ships within 4-6 days after payment confirmation.

Customizable Hardness: Available in 0-60 Shore A hardness options.

Professional QC: 100% inspected before shipment by professional team.

Company profile

GUANGZHOU OTT NEW MATERIALS CO., LTD.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2022-07-27 CertifiedNearest Port: Shenzhen Port, Guangzhou PortAverage Response Time: ≤6.29h CertifiedTerms of Payment: LC, T/T, PayPal, etc.

About Our Factory & Business Background

AddressFirst Floor Building A1 Tangkou 236 Industrial Zone, Tuanjie Village, Xinhua Street, Huadu District, Guangzhou, Guangdong, China

Plant Area1700 square meters

Number of Employees17

Registered Capital5,000,000 RMB

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW, DDU

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsRTV2 Liquid Silicone Rubber, Molding Silicone Rubber, Platinum Cured Silicone Rubber, Tin Cured Silicone Rubber, Pad Printing Silicone Rubber, Electronic Potting Silicone Rubber, Life Casting Silicone Rubber, Insole Silicone Rubber, Silicone Resin Powder

Production MachinesKneading Machine, Grinding Machine, Mixing Machine

R&D Engineers2 people

Own BrandYes

Our Industry Experience & Global Business Record

Year of Establishment2014-07-15

Main MarketsNorth America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Australia, Domestic

Number of Foreign Trading Staff5

Overseas Agent/BranchNo

Product Q&A

Q:What types of silicone products do you manufacture?

We produce liquid silicone, silicone rubber, and silicone oil. Different viscosities and hardnesses are available to meet specific client requirements.

Q:Do you provide free samples for testing?

Yes, we can provide free samples for clients to test the product quality before placing an order.

Q:How do you ensure product quality?

We have a professional QC team that controls quality during production. All goods are 100% inspected before shipment.

Q:How can I remove bubbles during mold making?

After mixing the liquid silicone with the curing agent, place the material into a vacuum machine to remove the bubbles effectively.

Q:How can I make my silicone mold last longer?

Choose the right silicone for your product, avoid using silicone oil as it softens the mold, and allow the mold to fully cure for at least 2 hours after finishing.