Why do bubbles form after adding the curing agent?

This is a normal physical phenomenon where liquid produces bubbles during mixing. You must use vacuum exhaust bubble treatment to resolve this.

Liquid Silicone Rubber for Rapid Prototyping Vacuum Casting

Name: Liquid Silicone Rubber for Rapid Prototyping Vacuum Casting
Brand: GUANGZHOU OTT NEW MATERIALS CO., LTD.
SKU: 1977796495

Guangdong, ChinaGUANGZHOU OTT NEW MATERIALS CO., LTD.

US$8.26-12.65

1 kg

Sample price:US$12.00/kg.Request sample

Product profile

Customization

Available

Material

Organic Silicone

Application

Industrial, DIY Art

Model NO.

OTT-K730

Certification

ISO, FDA, MSDS

Hardness

30-50 Shore A

Color

Translucent/Clear

Mix Ratio

1:1 or 10:1

Shelf Llife

18 Months

Sample

Available

Business Type

Factory Direct Sale

Trade Term

EXW/CNF/CIF/FOB/DDU

MOQ

200kg

Shipment

by Sea, by Air

H.S Code

391000

Transport Package

Plywood Pallet

Specification

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

Trademark

OTT

Origin

Guangzhou

HS Code

3910000000

Production Capacity

600000

Key features

Low Shrinkage Rate: Features almost nil shrinkage of 0.1% for high-precision rapid prototyping and casting.

FDA & ISO Certified: Meets ISO, FDA, and MSDS standards; food-grade, odorless, and non-toxic material.

Wide Hardness Range: Available in 30-50 Shore A hardness options to suit various application needs.

Fast Delivery: Quick shipment within 4-6 days after payment confirmation via air or sea.

Long Shelf Life: Maintains quality for 18 months when stored in cool, dry places with original packaging.

High Tear Strength: Excellent tear strength up to 18 KN/m ensures comfortable and durable duplication times.

Customizable Options: Offers customized mix ratios (1:1 or 10:1) and translucent/clear color options.

Professional Support: 24h after-sales service and professional R&D team with 2 engineers for technical support.

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: ≤7.84h 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. Our silicone viscosity, hardness, and density vary based on the specific mold requirements to meet client requests.

Q:Do you provide free samples for testing?

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

Q:How do you ensure quality control during production?

We have a professional QC team that controls quality throughout 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 extend the lifespan of my silicone mold?

Choose the right liquid silicone for your product, avoid using silicone oil in mold making, and wait 2 hours after the mold is finished to ensure it is fully cured.