Why does silicone rubber produce many bubbles after adding curing agent?

This is a normal physical phenomenon. The liquid produces bubbles during mixing and must undergo vacuum exhaust treatment.

Addition Cure Durable RTV-2 Silicone Rubber for Artistic Craft Projects

Name: Addition Cure Durable RTV-2 Silicone Rubber for Artistic Craft Projects
Brand: GUANGZHOU OTT NEW MATERIALS CO., LTD.
SKU: 1984518265

Guangdong, ChinaGUANGZHOU OTT NEW MATERIALS CO., LTD.

US$7.88-9.66

200 kg

Sample price:US$9.66/kg.Request sample

Product profile

Customization

Available

Material

Organic Silicone

Application

Industrial, DIY Art

Model NO.

OTT-J835

Certification

ISO, FDA, MSDS

Business Type

Factory Direct Sale

Sample

Available

Hardness

35 a Shore

Color

Translucent

Mix Ratio

1:1 or 10:1

Shelf Life

12-18months

Trade Term

EXW/CNF/CIF/Fob/DDU

Shipment

by Sea, by Air

MOQ

200kg

Lead Time

7 Days After Payment

Payment

100% Tt in Advance

Transport Package

Plywood Pallet

Specification

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

Trademark

OTT

Origin

Guangzhou

HS Code

3910000000

Production Capacity

600000

Key features

Food Grade Safety: Non-toxic and odorless, suitable for food molds like cake and chocolate.

Customizable Curing Time: Curing time can be adjusted according to specific client requirements.

Adjustable Technical Data: Viscosity, hardness, working time, and curing time can be customized.

High Duplication Capacity: Capable of 50 to 1000 duplication cycles depending on product size.

Fast Delivery: Delivery completed within 4 to 6 days after payment.

Long Shelf Life: Product maintains quality for 18 months from production date.

Room Temperature Curing: Cures within 3 to 5 hours at room temperature without heat.

Low Shrinkage: Shrinkage rate is only 0.1% ensuring high precision in molds.

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: ≤7.92h CertifiedTerms of Payment: LC, T/T, PayPal, etc.

AI-Powered supplier vetting

SummaryGuangzhou OTT New Materials Co., Ltd. is a China-based limited company established in 2014, operating in silicone and related chemical materials. It reports five production lines, a 1,700 m² manufacturing plant, broad product coverage, exports representing 90% of total sales, and stated peak- and off-peak-season fulfillment within 15 working days. The supplier holds ISO 9001:2015 certification and describes technical support, after-sales service, and silicone-material innovation capabilities. However, the available information indicates a relatively small organization of 17 employees, fewer than five quality-control staff, and limited documented customer-trade evidence. Financial strength, customization performance, and the depth of customer cases cannot be conclusively assessed from the provided data.

Supplier typeThe supplier is identified as Guangzhou OTT New Materials Co., Ltd., a China-based limited company operating in chemicals and silicone materials. Its listed products include architectural-restoration silicone and mold-making silicone, while its broader product keywords cover multiple liquid, RTV, cured, and specialty silicone products.

CertificationsThe supplier reports holding an ISO 9001:2015 certificate, providing explicit evidence of a certified quality-management system. No other certifications are stated in the provided information.

After-Sales capabilityThe supplier states that three doctoral senior researchers and 12 professional engineers support quality improvement, product development, innovation, and after-sales service. It also explicitly claims to provide technical solutions, after-sales service, and ongoing technical support, although no service-performance metrics or response-time data are provided.

R&D capabilityThe supplier explicitly reports top technology in condensation and addition-cured silicone in China and identifies doctoral researchers and professional engineers supporting new-product development and innovation. Its stated range of related silicone materials further supports technical breadth, though no independently verified innovation results are provided.

Production capacityThe supplier reports five production lines, a 1,700 m² manufacturing plant, and order fulfillment within 15 working days in both peak and off-peak seasons. Its product scope is broad and export sales are stated to represent 90% of total sales, but the small total workforce of 17 employees and fewer than five quality-control staff indicate that operational scale should be verified for large-volume requirements.